| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 493227000 | With cutting, breaking, tearing, or abrading | 25 |
| 20100167893 | Method for manufacturing a bag pack - In an embodiment of the invention, a bottom seal of a plastic bag is strengthened by welding together 8 layers of plastic film. In one respect, an embodiment of the invention provides a method for manufacturing a bag pack that includes folding a 4-layered structure into an 8-layered structure, welding a bottom edge, and then unfolding the 8-layered structure before stacking 4-layered bags into a bag pack. | 07-01-2010 |
| 20110039676 | PLASTIC BAG MAKING APPARATUS - Provided is a bag making machine for making a bag with an angled bottom by a system different from the conventional system. Body materials of an upper layer and a lower layer are overlapped with each other and fed in the length direction. Furthermore, a bottom gusset material is fed to the body material of one layer and laid on the outer surface thereof, and one side edge of the bottom gusset material is arranged along one side edge of the body material. After the overlap of body material of the upper and lower layers and the feed of bottom gusset material, the bottom gusset material and the body material of the other layer are bonded at the one side edges thereof and fixed temporarily. As the body material is fed thereafter, the body material of one or the other layer and the bottom gusset material are guided by a guide mechanism of body material and bottom gusset material near one side edge of the body material, and the body material of one or the other layer is bent to combine the bottom gusset material with the body material of both layers. Body portion of a plastic bag is formed of the body material of both layers and the bottom gusset portion of the plastic bag is formed of the bottom gusset material. | 02-17-2011 |
| 20110124480 | DEVICE FOR FORMING SLEEVE-LIKE FOIL ENVELOPES FROM A FLAT STRIP OF FOIL MATERIAL - The invention relates to a device for forming sleeve-like foil envelopes from a flat strip of foil material ( | 05-26-2011 |
| 20110143901 | DEVICE AND METHOD FOR PRODUCING BAGS - The invention describes a device ( | 06-16-2011 |
| 20110172072 | PACKAGING PILLOW DEVICE WITH UPSTREAM COMPONENTS - The disclosure describes a device for inflating and cutting a material web. The device can include a web advancement mechanism to advance a material web in a longitudinal path, an inflation mechanism for inserting a fluid into the material web to create one or more inflated pillows, a fluid inlet for providing the fluid to the inflation mechanism, and a cutting mechanism configured to cut the material web in the longitudinal path. | 07-14-2011 |
| 20110245057 | ENVIRONMENTAL BAG RECYCLING SYSTEM - A system comprising using at least one recycled plastic to create a polymer film, infusing the film with at least one color additive, infusing the film with at least one scent additive, infusing the film with at least one dormant microbe, cutting and folding the film to create at least one bag, using the bag as a shopping bag, using the bag as a trash bag, and activating the microbe to decompose the bag. The system wherein the bag further comprise at least one handle adapted to receive at least one tongue, at least one polymer film is selected from the group consisting of low density polyethylene and equivalents, and the dormant microbe is infused onto the film by a method selected from the group consisting of spraying, and equivalents. Wherein the dormant microbe is selected from the group consisting of | 10-06-2011 |
| 20110263400 | METHOD AND SYSTEM FOR MAKING A STEPPED END - A method and apparatus for making a stepped end on a tube of flexible material includes a tube slitting station having a slitting tool with double edge slitting blades penetrating through the tube to provide respective slits beside a first panel and beside a second panel, respectively; a first trimming station trimming a first panel of the tube to a first shortened length, a second trimming station trimming the side gussets to a second length, wherein the second length is longer than the first shortened length of the first panel; and an adhesive applying station applying adhesive on the tube above and below a fold line across the tube, wherein the tube is adapted to be folded along the fold line, and the adhesive material is adapted to form an adhesive to adhesive seal above and below the fold line while the tube is folded to provide a closed stepped end for a bag. | 10-27-2011 |
| 20110312480 | Method and Apparatus For Making Bags - A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a first sealing zone, and an adjacent weakening zone. The weakening zone may be a heated perforator, includes a heating wire, or be disposed to create an auxiliary sealed area. The heating wire can have, connected thereto, a source of power that is at an adjustable voltage or magnitude, and/or pulsed, and/or a feedback loop. The heating wire may be an NiCr wire and make intermittent contact with the web and be disposed in an insert. The weakening zone may create a line of weakness that is uniform or varies in intensity, is a separating zone, or includes a heat film, a toothed blade, a row of pins, a source of air, or a source of vacuum. The sealing zones may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 12-22-2011 |
| 20120100978 | UNIT AND METHOD FOR FEEDING REELS OF A SHEET-LIKE MATERIAL, IN PARTICULAR BUT NOT EXCLUSIVELY A PRINTED PLASTIC FILM WITH PRINT-POSITION MARKS FOR AUTOMATIC PACKAGING MACHINES - A feeding unit from reels (B | 04-26-2012 |
| 20120196731 | METHOD AND SYSTEM FOR MAKING A STEPPED END - A method and apparatus for making a stepped end on a tube of flexible material includes a tube slitting station having a slitting tool with double edge slitting to provide respective slits beside a first panel and beside a second panel, respectively; a first trimming station trimming a first panel of the tube to a first shortened length, a second trimming station trimming the side gussets to a second length, wherein the second length is longer than the first shortened length; and an adhesive applying station applying adhesive on the tube above and below a fold line across the tube, wherein the tube is adapted to be folded along the fold line, and the adhesive material is adapted to form an adhesive to adhesive seal above and below the fold line. | 08-02-2012 |
| 20120202668 | Sealing and Cutting Unit - Disclosed is a sealing and cutting unit with a sealing device and a cutting device. The latter is assigned with hold-down means positioned downstream of the cutting device in the direction of transport of a film to be sealed and to be detached. | 08-09-2012 |
| 20120238427 | PAPER ROLL WITH PRE-CUT WINDOWS - A method for manufacturing a paper product having a transparent window having the steps of: flattening two rectangular strips in the paper, cutting out a substantially rectangular window between the two rectangular strips, the window extending into the two rectangular strips. A substantially rectangular transparent material is placed over the window; the material has a greater length and a greater width than the window. | 09-20-2012 |
| 20120270713 | Method and Apparatus For Making Bags - A machine for making bags is disclosed and includes input, drum, and output sections. The drum section has at least one seal bar on a drum. The sections are mounted to side frames that are single metal plates. The frames are not coated after being formed and/or are comprised of at least one of galvanized steel, galvannealed steel, stainless steel or aluminum. The drum is comprised of first and second plates, and opposing third and fourth plates. The first plate is rotatable with respect to the second plate, and the third plate is rotatable with respect to the fourth plate. The distance from the seal bars to the center of the drum is responsive to the rotation of the plates. The first plate has a plurality of non-radial grooves, and the second plate has a plurality of radial slots, with fixtures in the slots and grooves. The fixtures are connected to seal bars. The non-radial grooves are curved and/or spiraled. The plates are comprised of zinc plated steel and/or are discs. The winder includes a rotatable turret with a center and surface wind position, and a center wind only position. When one spindle is in the center and surface wind position, the other spindle is in the center wind only position. A push off palm mounted in a push off position. The spindle is collapsible. | 10-25-2012 |
| 20120289391 | APPARATUS FOR SIMULTANEOUSLY SEPARATING A PLURALITY OF POUCHES, TRANSFERRING THE POUCHES AND METHOD OF SAME - An apparatus for simultaneously separating a portion of a continuous web of film, having a leading edge and a plurality of spaced apart side seals, includes a base, a plurality of blade pairs, and a film guide device. The blade pairs are moveable between an open and closed positions and are mounted to the base and spaced apart a distance corresponding to the side seals in the film. The film guide device includes a guide member that releasable attaches to a portion of the film adjacent the leading edge. The guide members suspends the film between the plurality of blade pairs in the open position to align the plurality of seals on the film with the plurality of spaced apart blade pairs to accurate separate the film into a plurality of pouches upon movement of the blade pairs to the closed position. | 11-15-2012 |
| 20130267400 | WINDOW PROFILING SYSTEM - A system for processing a continuous web of envelope stock includes a web aligner, infeed nip including a load cell, rotary cutter, gummer, patch applicator, buffer, and control system. Gummer nozzles are actuated to apply patterns of adhesive to the moving web in surrounding relation to window apertures. A method for controlling the web output rate from the system includes receiving at the control system an input web tension indicator from the nip load cell, receiving an output web tension indicator from a transducer at system output, comparing the received indicators and transmitting a control signal to actuate a roller assembly between the infeed nip and the transducer to increase or decrease speed to adjust web tension. The control system also transmits a web input speed control or stop signal based on the calculated capacity percentage of web accumulated in the buffer, which is determined with reference to a threshold value. | 10-10-2013 |
| 20140031187 | SACK PAPER WITH VAPOUR BARRIER - The present invention provides a method of forming a coating on a porous sheet, comprising the steps of: providing a porous sheet and a dispersion comprising at least one polyolefin; applying said dispersion on at least one surface of said sheet; and optionally, heating said sheet to a temperature above the melting temperature of said at least one polyolefin. Moreover, the present invention relates to methods for manufacturing single and two ply sacks and the use of at least one polyolefin as a water vapour barrier coating on a material suitable for a ply of a sack. | 01-30-2014 |
| 493228000 | Including form-scoring | 1 |
| 20110251037 | Methods and Apparatus for Prepaid Card Packaging - Techniques for providing cost effective and tamper evident prepaid card packaging are described. By forming a cutout in a panel of the prepaid card packaging, covering the cutout with a material such as red glassine, and aligning an activation bar code or other indicia on the card with the cutout when mounting the card within the packaging, the security of the activation indicia can be better maintained. After purchase, the bar code can be scanned through the red glassine but prior to purchase, the red glassine prevents photocopying. | 10-13-2011 |
| 493231000 | Including folding | 3 |
| 493235000 | Severing of container or container blank from web | 3 |
| 20100087305 | Method and Apparatus For Making A Wave Top Bag - A method and apparatus for making rolls of wave cut bags, and a roll of bags is disclosed. A film is weakened along a generally straight line in a generally cross machine direction. The film is also weakened a wave shape, and the wave shape weakenings are alternated with the straight line weakenings. The film is folded in a cross machine direction, and the straight line weakenings are separated to form bottoms of adjacent bags. The bottoms of adjacent bags are preferably overlapped, although they need not be. The wave shaped weakenings are preferably separated (although they need not be) to form wave shaped tops of a adjacent bags. If separated, the wave shaped tops have a longer portion and a shorter portion, and the longer portion is between, in the machine direction, the longer and shorter portion of the adjacent wave shaped top. | 04-08-2010 |
| 20100093507 | DEVICE HAVING A ROTATIONAL ELEMENT FOR FORMING SLEEVE-LIKE FOIL ENVELOPES - The invention relates to a device for forming sleeve-like foil envelopes from a continuous flat strip of a sleeve-like foil material, comprising supply means ( | 04-15-2010 |
| 20140274636 | APPARTUS FOR, AND METHOD OF, PRODUCING A BAG FROM PAPER, AND PAPER BAG - A bag machine for production of bags made of paper material includes an unwinding device to unwind and feed paper material in a transport direction (x), a device to produce weakening lines partially offset in direction (x), so that a first wall of the bag continues in at least one tab that extends beyond a second wall, a tube-forming device, in which side areas are folded to form an overlapping area, a separation device to separate tube sections along the weakening lines, and a bottom formation device, in which areas of a leading end of the tube section are folded and fastened onto an outer wall thereof. The machine has a device for application of adhesive surfaces to the paper material, with which an adhesive surface is applied to an area of the paper material that represents the side of the tab facing the second wall in the finished bag. | 09-18-2014 |
| 493238000 | Partial severance to form interconnected products | 1 |
| 20100069213 | Manufacturing Separable Pouches With A Center Cut Blade - A system for manufacturing a plurality of separable pouches comprising a means for forming sealed pouches, a center cut blade and a means for segregating each sealed pouch with the center cut blade is described. The means for forming the sealed pouches includes placing a plurality of different tablets corresponding to different medications into each sealed pouch. The center cut blade includes a side cut on each end of the blade, a center cut in the middle of the blade, and at least one perforation cut between each side cut and the center cut. The means for separating each sealed pouch with the center cut blade provides each sealed pouch with a sealed top end, a sealed bottom end, and two sides, in which at least one side is also sealed. | 03-18-2010 |
| 493239000 | Severing of container or container blank from web | 4 |
| 20090215601 | PLASTIC BAG SEALING DEVICE - A plastic bag sealing device includes a work table, a sealing device having a silicon rubber roller, a material intake press roller and a material outlet press roller fixed beside the silicon rubber roller to press thereon, plural rotating shafts fixed outside around the silicon rubber roller and respectively mounted with a sealing blade, plural guide rollers employed to conduct plastic bags, a dot-cutting device, an opening-cutting device, and a press roller fixed beside the dot-cutting device and the opening-cutting device. With the sealing blades to carry out multiple sealing at the same location, a plastic bag can be quickly and firmly sealed, and with the dot-cutting device and the opening-cutting device installed on the work table to respectively execute dot-cutting and opening-cutting, the work table can be comparatively downsized, thus greatly elevating economic gain. | 08-27-2009 |
| 20100311557 | APPARATUS FOR, AND METHOD OF, PRODUCING A BAG FROM PAPER, AND PAPER BAG - The invention describes a bag machine for production of bags made of paper material, comprising:
| 12-09-2010 |
| 20130040796 | APPARATUS AND METHOD FOR PRODUCING TUBULAR SECTIONS FOR MANUFACTURING BAGS - The invention describes a device for generating hose sections, which comprise paper, to produce bags which comprise at least one unwinding device by which a web can be wound off a roll, | 02-14-2013 |
| 20130210595 | Packaging Apparatus Including Rotary Jaw Device and Method of Making Packages - A packaging apparatus including a rotary jaw device, the rotary jaw device comprising an elongate holder, an elongate knife mounted on and projecting outwardly from the elongate holder, the knife having an elongate cutting edge parallel to a plane of the knife, and at least one part of a heat seal device located on the elongate holder on opposed sides of the knife. A packaging method is also disclosed. | 08-15-2013 |
