Innovia Films Limited Patent applications |
Patent application number | Title | Published |
20160078707 | AUTHENTICATION APPARATUS AND METHOD - The present invention provides an authentication apparatus operative to determine the authenticity of a polymer film, comprising: an optical response modifier operative to modify a first effect influenced by said birefringence characteristic of said to a modified first effect; and an optically-based birefringence measuring arrangement operative to measure said modified first effect; and wherein said apparatus is operative to: compare a value, or range of values, representative of said modified first effect as measured with a value, or range of values representative of a specified first effect as modified by a same optical response modifier and corresponding to a predetermined birefringence characteristic of an authentic polymer film; and output an authenticity signal indicative of authenticity or otherwise of said film based upon said comparison. There are also provided one or more methods of determining the authenticity of a polymer film. | 03-17-2016 |
20150262008 | DETECTION OF THE PRESENCE OF AN ITEM USING REFLECTION CHARACTERISTICS - The present invention provides an apparatus for detecting presence or otherwise of an item comprising at least two regions having different optical characteristics, said apparatus comprising: an emitter operative to illuminate a measuring region of said apparatus with electromagnetic radiation; and a detector located and operative to receive electromagnetic radiation reflected from said measuring region of said apparatus and operative to output a signal corresponding to a measured characteristic of said electromagnetic radiation reflected from said measuring region, wherein said apparatus is operative to compare said measured characteristic with a set of pre-defined characteristics, and further wherein if said measured characteristic is consistent with at least one of said pre-defined characteristics, the apparatus is operative to output a signal indicative of presence or otherwise of one of said at least two regions of said item in said measuring region. | 09-17-2015 |
20140202617 | IN-MOULD LABELLING - There is disclosed a method of manufacturing an in-mould labelled article, the method comprising the steps of: placing a label comprising a film having a core comprising polypropylene/polyethylene random copolymer as its principal polymeric constituent into a mould for injection moulding, thermoforming, or blow moulding; holding the label in position; injecting a polymeric melt into, or thermoforming or blowing a polymeric preform in said mould so as to bind with the label; and removing the article from the mould. A process of in-mould labelling using such a label is also disclosed. | 07-24-2014 |
20140187684 | LIQUIDS - The present invention relates to an ionic liquid comprising an anion and a cation, wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom. | 07-03-2014 |
20140162004 | BIODEGRADABLE FILM - The present application concerns a coated film comprising a substantially biodegradable substrate having a biodegradable coating thereon at a coat weight of not more than 12 gsm, as well as useful articles sealed inside a package at least partly comprising such a film, and also a process for producing a coated film comprising providing a substantially biodegradable film substrate and applying a biodegradable coating to the substrate at a coat weight of less than 12 gsm by means of a hot melt coating step. | 06-12-2014 |
20140155517 | UV Barrier Film - Transparent polypropylene film comprising at least two UV-absorbing additives, a first additive being a non-aggregated inorganic material present in the film composition in an amount of from 0.1 to 5.0% by weight, and a second additive comprising an organic material selected from triazines, hindered amines, oxanilides, cyanoacrylates, benzotriazoles and/or benzophenones and present in the film in an amount of less than 2.0% by weight and wherein when both benzotriazole(s) and benzophenone(s) are present in the film, the ratio of benzotriazole(s) to benzophenone(s) is above 0.5. | 06-05-2014 |
20140141186 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 05-22-2014 |
20130247926 | BIODEGRADABLE COMPOSITES - The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, wherein the composite filaments are entangled or wherein the two further comprises one or more further thermoplastic materials or wherein the weight ration of cellulose to cellulose acetate in the tow is from 10:90 to 90:10, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow. | 09-26-2013 |
20130213581 | LABELS - The present invention provides a film of an oriented material which exhibits the property of expansion in at least one of its machine and transverse directions at a first temperature and of shrinkage at a second, higher, shrink onset temperature, the film having been annealed after orientation at a temperature above the first temperature and selected with reference to an intended recycling wash-off process to promote expansion of the film at the selected temperature of the wash-off process. | 08-22-2013 |
20130205629 | LABELS - An inherently ink printable multi-layer labelstock film having a substrate core layer comprising a polymeric material and at least one skin layer which is ink printable, the ink printable skin layer comprising a copolyester. | 08-15-2013 |
20130192489 | PROCESS FOR PRODUCING CELLULOSE FILM - The present invention provides a process for producing a cellulose film in which a) cellulose is at least partly dissolved at a temperature of about 100° C. or lower in a dope comprising an ionic liquid and a cosolvent to form a cellulose solution, wherein said cosolvent comprises a polar aprotic component, and B) cellulose film is cast from the cellulose solution. | 08-01-2013 |
20130154139 | PROCESS FOR PRODUCING CELLULOSE SHAPED ARTICLES - The present invention provides a process for producing cellulose shaped articles in which a) cellulose is at least partly dissolved at a temperature of about 100° C. or lower in a dope comprising an ionic liquid and a cosolvent to form a cellulose solution, wherein said cosolvent comprises a polar aprotic component, and b) cellulose shaped articles are cast from the cellulose solution. | 06-20-2013 |
20130011559 | IN-MOULD LABELLING PROCESS - There is disclosed a process for manufacturing an in-mould labelled article, the process comprising the steps of: placing a label comprising a polyvinylidene chloride coated film ( | 01-10-2013 |
20120318703 | NAKED COLLATION PACKAGE WITH TUBE FORM - A naked collation package comprising a plurality of individual units laid end-to-end or side-by-side to form a unit row comprising at least one interface between a neighbouring pair of individual units in the unit row, the unit row being overwrapped with a sheet of polymeric film having a length and a width, the length of the sheet being sufficient to envelop the unit row with sufficient overlap between the ends of the sheet to provide an overlap region for providing a girth seal along at least part of the length of the unit row, the sheet being sealed to itself in that region to provide the girth seal, and the sheet being provided along its length, or part or parts of it, with a line of weakness positioned in substantial register with the interface. | 12-20-2012 |
20120202398 | BIODEGRADABLE FIBRE AND ITS PROCESS OF MANUFACTURE - The present invention concerns a biodegradable fibre comprising composite filaments of cellulose and cellulose acetate, and a process for making such a fibre comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres. The invention also concerns materials made from such a fibre, and garments or soft furnishings made from such a material. | 08-09-2012 |
20120192883 | CIGARETTE FILTER - The present invention concerns an at least partially transparent cigarette filter tipping film comprising a biodegradable substrate, and softener in an amount of less than 25% by weight of the biodegradable substrate, and a cigarette filter comprising a filtration material encased in a cylinder of the said tipping film. | 08-02-2012 |
20120187673 | SECURITY DOCUMENT - The present invention provides a security document and method of production thereof. The security document ( | 07-26-2012 |
20120177859 | BIODEGRADABLE, PRINTABLE OR FUNCTIONAL FILM - A biodegradable multi-layer film is disclosed. The biodegradable film comprises a biodegradble core layer and a biodegradable, printable or otherwise functional layer comprising PLA or a PLA derivative. The printable or otherwise functional layer may be coated with a biodegradable, sealable coating layer. | 07-12-2012 |
20120171458 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 07-05-2012 |
20120171436 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 07-05-2012 |
20120164404 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 06-28-2012 |
20120164362 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 06-28-2012 |
20120156411 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 06-21-2012 |
20120156403 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 06-21-2012 |
20120135650 | PRINTABLE FILM - The invention relates to printable films comprising a substrate and at least a surface layer, said layer covering at least one face of said substrate and comprising a water-dispersible polymer and an ethylenically unsaturated compound; to a process for the manufacture of such films; to printed films and especially to printed labels obtained from such printable films. | 05-31-2012 |
20120126186 | UV Barrier Film - Transparent polypropylene film comprising at least two UV-absorbing additives, a first additive being a non-aggregated inorganic material present in the film composition in an amount of from 0.1 to 5.0% by weight, and a second additive comprising an organic material selected from triazines, hindered amines, oxanilides, cyanoacrylates, benzotriazoles and/or benzophenones and present in the film in an amount of less than 2.0% by weight and wherein when both benzotriazole(s) and benzophenone(s) are present in the film, the ratio of benzotriazole(s) to benzophenone(s) is above 0.5. | 05-24-2012 |
20120114893 | LABELS - There is described a label comprising a self supporting sheet of a biopolymer, preferably cellulose (e.g. regenerated cellulose, cellulose acetate and/or PLA) said sheet being substantially transparent to visible light when uncoated characterized in that the sheet comprises: (a) a first coating on at least one surface thereof to aid printability thereon; (b) a second coating comprising an adhesive dispersible in an aqueous medium; and (c) optionally a third coating to modify water permeability through the sheet. The labels are to be applied to articles such as glass containers. Preferred labels are wet glue cellulose labels for example where the first coating also comprises a copolymer of vinyl chloride and vinyl acetate to aid water permeability and hence rapid drying of the label on an article. | 05-10-2012 |
20120045604 | BIODEGRADABLE FILM WITH PRESSURE-SENSITIVE ADHESIVE LAYER - A multi-layer, biodegradable film is disclosed. The multi-layer, biodegradable film contains a biodegradable core layer and a biodegradable pressure sensitive adhesive layer. The film may further contain a biodegradable, printable layer and a release liner. | 02-23-2012 |
20120040153 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 02-16-2012 |
20120040123 | LABELS - There is described a label comprising a self supporting sheet of a biopolymer, preferably cellulose (e.g. regenerated cellulose, cellulose acetate and/or PLA) said sheet being substantially transparent to visible light when uncoated characterized in that the sheet comprises: (a) a first coating on at least one surface thereof to aid printability thereon; (b) a second coating comprising an adhesive dispersible in an aqueous medium; and (c) optionally a third coating to modify water permeability through the sheet. The labels are to be applied to articles such as glass containers. Preferred labels are wet glue cellulose labels for example where the first coating also comprises a copolymer of vinyl chloride and vinyl acetate to aid water permeability and hence rapid drying of the label on an article. | 02-16-2012 |
20120024939 | EASY OPEN REAM WRAP - A ream wrap package formed by wrapping a sheet of polymeric film ( | 02-02-2012 |
20120015168 | TACTILE FILM AND APPLICATIONS THEREFOR - The invention generally relates to a tactile, peelable, sealable multi-layer film comprising at least a polyolefinic core and a block copolymeric skin layer, wherein the skin layer, or each skin layer, has a thickness of from 2.8 microns to 4.5 microns. | 01-19-2012 |
20110311803 | DELAYED-TACK MATERIAL - The present invention concerns a substrate carrying a delayed-tack formulation, wherein said delayed-tack formulation becomes tacky on heat activation to allow sealing between the substrate and itself or between the substrate and a further material, so that the resultant seal can be pealed open mechanically without damaging or destroying said substrate or said further material, and so that said formulation possesses re-tack properties to allow subsequent resealing. | 12-22-2011 |
20110300349 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 12-08-2011 |
20110284534 | NAKED COLLATION PACKAGE - A naked collation package comprising a plurality of individual units laid end-to-end or side-by-side to form a unit row comprising at least one interface between a neighbouring pair of individual units in the unit row; the unit row being overwrapped with a sheet of polymeric film having a length and a width; the length of the sheet being sufficient to envelop the unit row with sufficient overlap between the ends of the sheet to provide an overlap region for providing a girth seal along at least part of the length of the unit row, the sheet being sealed to itself in that region to provide the girth seal; the width of the sheet being: longer than the unit row to provide an envelope seal region in at least one end of the unit row so that the wrapped and girth-sealed sheet is able to fold over and seal to itself at the at least one end of the unit row to provide an envelope seal, the sheet being folded and sealed to itself in that region to provide the envelope seal; or not substantially longer than the unit row so that the wrapped and girth-sealed sheet forms an open-ended sleeve around the unit row; the sheet being provided along its length, or part or parts of it, with a line of weakness positioned in substantial register with the interface. | 11-24-2011 |
20110236611 | PRINTABLE COATING - A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible, with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle. | 09-29-2011 |
20110201736 | PRINTABLE FILM - The invention relates to printable films comprising a substrate and at least a surface layer, said layer covering at least one face of said substrate and comprising a water-dispersible polymer and an ethylenically unsaturated compound; to a process for the manufacture of such films; to printed films and especially to printed labels obtained from such printable films. | 08-18-2011 |
20110189397 | IN-MOULD LABELLING PROCESS - There is disclosed a process for manufacturing an in-mould labelled article, the process comprising the steps of: placing a label comprising a polyvinylidene chloride coated film ( | 08-04-2011 |
20110165417 | LABELS - There is described a multi-layer film. The film comprises a first biodegradable layer, a second biodegradable layer and a metallised layer. Also described is a multi-layer film comprising a first cellulose layer, a second cellulose layer, an adhesive layer between the first and second cellulose layer and a metallised layer. | 07-07-2011 |
20110165388 | LABELS - There is described a multi-layer film. The film comprises a first biodegradable layer and a second biodegradable layer, wherein the first and second biodegradable layers each comprises a biopolymer selected from the group consisting of carbohydrates, polysaccharides, gums, proteins, colloids, polyorganic acids and mixtures thereof. | 07-07-2011 |
20110151213 | LABELS - There is described a multi-layer film. The film comprises a biodegradable layer and a metallised layer, wherein the biodegradable layer comprises a biopolymer selected from the group consisting of carbohydrates, polysaccharides, gums, proteins, colloids, polyorganic acids and mixtures thereof. | 06-23-2011 |
20110100386 | CIGARETTE FILTER - The present invention concerns an at least partially transparent cigarette filter tipping film comprising a biodegradable substrate, and softener in an amount of less than 25% by weight of the biodegradable substrate, and a cigarette filter comprising a filtration material encased in a cylinder of the said tipping film. | 05-05-2011 |
20110094526 | BIODEGRADABLE COMPOSITES - The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow. | 04-28-2011 |
20110020578 | LABELS - There is described a label comprising a self supporting sheet of a biopolymer, preferably cellulose (e.g. regenerated cellulose, cellulose acetate and/or PLA) said sheet being substantially transparent to visible light when uncoated characterized in that the sheet comprises: (a) a first coating on at least one surface thereof to aid printability thereon; (b) a second coating comprising an adhesive dispersible in an aqueous medium; and (c) optionally a third coating to modify water permeability through the sheet. The labels are to be applied to articles such as glass containers. Preferred labels are wet glue cellulose labels for example where the first coating also comprises a copolymer of vinyl chloride and vinyl acetate to aid water permeability and hence rapid drying of the label on an article. | 01-27-2011 |
20100272929 | LABELS - An inherently ink printable multi-layer label stock film having a substrate core layer comprising a polymeric material and at least one skin layer which is ink printable, the ink printable skin layer comprising a copolymer of styrene and butadiene and polystyrene in an amount of from 0% to about 30% by weight of the skin layer. | 10-28-2010 |
20100267301 | PRINTABLE FILM - The invention relates to printable films comprising a substrate and at least a surface layer, said layer covering at least one face of said substrate and comprising a water-dispersible polymer and an ethylenically unsaturated compound; to a process for the manufacture of such films; to printed films and especially to printed labels obtained from such printable films. | 10-21-2010 |
20100264053 | SEALABLE, PEELABLE FILM - The present invention concerns a sealed package formed from a polymer film comprising a block copolymeric substrate and a heat sealable coating and/or skin layer on the substrate, the package being formed by wrapping the film around an article to be packaged in a manner to obtain at least one region of film overlap, and heat sealing the resulting overlapped film sections to each other to provide at least one sealed region of the package, the sealed region being subsequently openable by manually separating the overlapped film sections, effective without substantial tearing of the film at or around the sealed region. | 10-21-2010 |
20100247898 | UV Barrier Film - Transparent polypropylene film comprising at least two UV-absorbing additives, a first additive being a non-aggregated inorganic material present in the film composition in an amount of from 0.1 to 5.0% by weight, and a second additive comprising an organic material selected from triazines, hindered amines, oxanilides, cyanoacrylates, benzotriazoles and/or benzophenones and present in the film in an amount of less than 2.0% by weight and wherein when both benzotriazole(s) and benzophenone(s) are present in the film, the ratio of benzotriazole(s) to benzophenone(s) is above 0.5. | 09-30-2010 |
20100237603 | INDICIA MEANS - UV responsive indicia means comprising a substrate bearing indicia at least partly provided by one or more UV-sensitive materials, the indicia-bearing substrate being protected from exposure to UV radiation by a removable wrapper or peelable covering comprising a polymeric film which is relatively more transmissive with respect to visible light radiation than it is with respect to UV radiation, such that the indicia-bearing substrate is viewable through the removable wrapper or peelable covering and that a visible change in the indicia is effected upon removal of the wrapper or peeling away of the coating. | 09-23-2010 |
20100189938 | SEALABLE, PEELABLE FILM - A sealable and peelable film comprising a four layer coextrudate comprising a core layer contributing predominantly towards the thickness of the film, a first sealing layer provided on one side of the core layer and a second sealing layer, or alternatively a laminating layer, provided on the other side of the core layer, and the film comprising a peeling layer in between the first sealing layer and the core layer and/or in between the second sealing layer, or alternatively the laminating layer, and the core layer, and wherein the peeling layer is adjacent the first sealing layer and/or the second sealing layer and/or the laminating layer, and wherein the relative thickness of the peeling layer and its adjacent sealing and/or lamination layer (p:s/l ratio) is from 1:10 to 5:1. | 07-29-2010 |
20100173145 | LOW EMISSIVITY FILM - The present invention concerns a functional film material comprising a substrate layer and a coating layer, the coating layer comprising a block copolymeric binder and a particulate metal pigment therein, the ratio of pigment to binder in the coating layer being selected with reference to the coat weight to provide the functional film material with an emissivity of less than 0.5, and the substrate and coating layer being selected to provide the film with a VWTR (ambient) in excess 400 gm | 07-08-2010 |
20100155292 | NAKED COLLATION PACKAGE - A naked collation package comprising a plurality of individual units laid end-to-end or side-by-side to form a unit row comprising at least one interface between a neighbouring pair of individual units in the unit row, the unit row being overwrapped with a sheet of polymeric film having a length and a width, the length of the sheet being sufficient to envelop the unit row with sufficient overlap between the ends of the sheet to provide an overlap region for providing a girth seal along at least part of the length of the unit row, the sheet being sealed to itself in that region to provide the girth seal, and the sheet being provided along its length, or part or parts of it, with a line of weakness positioned in substantial register with the interface. | 06-24-2010 |
20090239011 | SEALABLE, PEELABLE FILM - The present invention concerns a sealed package formed from a polymer film comprising a block copolymeric substrate and a heat sealable coating and/or skin layer on the substrate, the package being formed by wrapping the film around an article to be packaged in a manner to obtain at least one region of film overlap, and heat sealing the resulting overlapped film sections to each other to provide at least one sealed region of the package, the sealed region being subsequently openable by manually separating the overlapped film sections, effective without substantial tearing of the film at or around the sealed region. | 09-24-2009 |
20090081405 | SEALABLE, PEELABLE FILM - The present invention concerns a sealed package formed from a polymer film comprising a block copolymeric substrate and a heat sealable coating and/or skin layer on the substrate, the package being formed by wrapping the film around an article to be packaged in a manner to obtain at least one region of film overlap, and heat sealing the resulting overlapped film sections to each other to provide at least one sealed region of the package, the sealed region being subsequently openable by manually separating the overlapped film sections, effective without substantial tearing of the film at or around the sealed region. | 03-26-2009 |
20090001143 | Easy Open Ream Wrap - A ream wrap package formed by wrapping a sheet of polymeric film around a stack of paper, the sheet having at least one line of weakness formed therein, to form a rectangular tube with sides overlapping, sealing one side to the other to form a girth seal, closing the tube at each end to form an envelope seal with tucked in ends and overlapping flaps, at least one of which is trapezoidal, so that in the formed package there is at least one line of weakness extending along the whole length of a surface of the package outside the girth seal, positioned so that it terminates at each end of the package within a region of the transverse direction defined by that portion of the overlapping flaps where there are only two layers of overlapping film. | 01-01-2009 |
20080230428 | Tactile Film and Applications Therefor - The invention concerns a coated biaxially oriented polypropylene film which comprises a core layer consisting of a homo-polymer of polypropylene with skin layers formed from a block copolymer of polyethylene and polypropylene, the skin layers having been treated with a primer with a heat sealable coating on each skin layer, and each coated side being readily printable with solvent and water based inks and resistant to thermal and humidity blocking, the thickness of the skin layers being selected so as to fall in the range 2.8 to 4.5 microns having a wide angle haze factor of at least 3 and not exceeding 50, coupled with a gloss (45 degrees) factor of at least 20% and not exceeding 100%. | 09-25-2008 |