Class / Patent application number | Description | Number of patent applications / Date published |
162358300 | Extended nip press | 27 |
20090126892 | SHOE SUCTION PRESS ROLL - This invention relates to a press device with a suction press roll. According to the invention, a linear force increase can be achieved in press devices with suction press rolls of identical or smaller size than conventional suction press rolls by equipping the suction press rolls with a compliance compensator. Said compliance compensator is arranged parallel to the longitudinal axis of the suction press roll in said suction press roll. Different concepts are possible depending on the roll cover construction and the arrangement of the suction box, whereby the one first embodiment is characterized by the integration of a shoe press roll in the suction press roll. A second embodiment is characterized by the combination of a routing of connection channels between the press nip and the suction box through the roll cover with an integrated compliance compensator in the interior space enclosed by the roll cover. | 05-21-2009 |
20100132904 | ROLL COVER AND A COVERED ROLL - Invention relates to a roll cover and a covered roll for paper, board, finishing and tissue machines. More specifically it relates to a roll particularly used in calendar which roll comprises a metal roll body and a cover of a composite material on it. The cover has at least three layers which comprise polymer matrix and fiber reinforcement the material of the being different at least in successive layers. | 06-03-2010 |
20100243190 | ADVANCED DEWATERING SYSTEM - A belt press for a paper machine, the belt press including a roll having an exterior surface and a permeable belt. The permeable belt including a first side being guided over a portion of the exterior surface of the roll. The permeable belt having a tension of at least approximately 30 kN/m. The first side of the belt having an open area of at least approximately 25% and a contact area of at least approximately 10%. A web travels between the permeable belt and the exterior surface of the roll. | 09-30-2010 |
20100269997 | APPARATUS FOR WASHING AND DEWATERING PULP - Apparatus for washing and dewatering pulp including a pair of rotatable press rolls with a permeable outer surface in a casing including a vat in which the press rolls are installed is provided. A gap is provided between the vat and the press rolls as well as means for feeding the pulp into the gap between the rolls and the vat includes a first segment partially enclosing the first roll and a second segment partially enclosing the second roll, and casing members for each segment are pivotable about axes of rotation to open and close the casing, and the distance between the axes of rotation is less than the sum of the outer diameter of the two press rolls. | 10-28-2010 |
20100294449 | APPARATUS SUITABLE FOR EXTENDED NIP EMBOSSING - An apparatus suitable for use with a web substrate embossing system is disclosed. The apparatus comprises at least two rolls juxtaposed in an axially parallel relationship and a continuous belt capable of providing a compressive force to a corresponding embossing surface. The continuous belt is disposed about the at least two rolls. The at least two rolls and continuous belt have an axis generally corresponding to the corresponding embossing surface. A first surface of the continuous belt is capable of being disposed proximate to at least a portion of the corresponding embossing surface and forming an elongate nip therebetween. | 11-25-2010 |
20110139391 | Transfer apparatus - A transfer apparatus is disclosed for transferring a light weight web from a dewatering section to a Yankee dryer. The transfer apparatus includes a looped transfer blanket which is disposed between the dewatering section and the Yankee dryer for supporting and transporting the web from the dewatering section towards the Yankee dryer. The dewatering section includes a press which defines a press nip for the passage therethrough of the web. The press nip assists in dewatering the web and guides the web. A press felt extends through the press nip and the transfer blanket also extends through the press nip. A roll is disposed downstream relative to the press nip for transferring the web from the transfer blanket and for guiding the web towards the Yankee dryer. | 06-16-2011 |
20130020044 | BOARD OR PAPER PRODUCED IN AN ARRANGEMENT IN CONNECTION WITH THE PRESS SECTION OF A WEB-FORMING MACHINE - The invention relates to an arrangement in connection with the press section of a web-forming machine. The arrangement includes at least one press nip for dewatering the web manufactured on a web-forming machine. The arrangement also includes a smoothing press including a smoothing roll arranged after the press nip. The smoothing press includes smooth heat carrying devices arranged as a loop around at least two guide rolls. The smoothing roll is arranged into contact with the devices between two guide rolls. The smoothing roll and/or at least one of the guide rolls is a steam heated drying cylinder or a steam heated roll modified thereof. The invention also relates to a board or paper produced in such arrangement. | 01-24-2013 |
20140000829 | PRESS DEVICE WITH AN EXTENDED NIP, A PAPER MAKING MACHINE AND A METHOD OF OPERATING A PRESS DEVICE | 01-02-2014 |
20150060000 | EXTENDED NIP ROLL, AN EXTENDED NIP PRESS MAKING USE OF THE EXTENDED NIP ROLL, A PAPERMAKING MACHINE AND A METHOD OF OPERATING AN EXTENDED NIP PRESS - The invention relates to an extended nip roll ( | 03-05-2015 |
20150060001 | PAPER MAKING MACHINE, AN EXTENDED NIP ROLL AND A METHOD OF PRODUCING TISSUE PAPER - The invention relates to an arrangement arranged to introduce a three-dimensional structure in a paper during production of said paper in a paper making machine ( | 03-05-2015 |
20160083903 | SHOE PRESS - Shoe press comprising a fixed support structure ( | 03-24-2016 |
20160108579 | DEVICE FOR FORMING AN EXTENDED NIP - Disclosed is a device for forming an extended nip between a counter roll and a shoe roll for machining a material web, wherein the shoe roll has a support and a flexible roll shell, which can rotate around the support and which rests in the region of the extended nip upon a head surface of a press shoe guided on the support, and the press shoe displaceably rests on the support in order to generate a press pressure via a pressure chamber to which fluid can be applied, the pressure chamber is disposed as a pressure pad, on which the press shoe rests surficially on the rear side, wherein the pressure pad is inserted into a groove-like chamber, wherein the press shoe has a stamp-like section on the rear side, which stamp-like section descends into an invaginable pressure pad in order to perform reciprocating movements, and the pressure pad is guidedly supported on the groove-like chamber along a pressure pad lateral wall that forms a roll wall. | 04-21-2016 |
162358400 | With impermeable belt structure or impermeable belt composition | 14 |
20090038770 | BELT FOR PAPERMAKING MACHINE - The present invention provides a belt for a papermaking machine having excellent property such as crack resistance, abrasion resistance and hair crack resistance. | 02-12-2009 |
20090211722 | BELT AND METHOD OF MAKING A BELT FOR A PAPER MAKING MACHINE - Belt and method of making a belt for a paper making machine. The belt includes a flat woven material having a top side surface and a bottom side surface and two terminal ends separated in a machine direction. Folds formed in the flat woven material are separated in the machine direction, so that the two terminal ends are located under the bottom side surface. Seam loops are located at the folds, and the two terminal ends one of are arranged adjacent each other and overlap each other in a region offset from a center between the folds. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 08-27-2009 |
20090250184 | BELT FOR SHOE PRESS | 10-08-2009 |
20090266502 | Shoe Press Belt - The present invention relates to a shoe press belt for a paper machine, comprising a substrate and a polyurethane resin impregnated to laminate on the surfaces of both the shoe side and the felt side thereof, which is excellent in abrasion resistance, crack resistance and processability. In the present invention, a polyurethane resin is produced by using a combination of two kinds of diisocyanates, that is, tolylene diisocyanate (TDI) and diphenylmethane diisocyanate (MDI) as starting materials. | 10-29-2009 |
20100000697 | DRYER FABRIC FOR A CONDENSATION DRYING APPARATUS - A dryer fabric for a condensation drying apparatus in a machine which produces and/or processes a web material, such as paper, cardboard or tissue, includes a base structure which essentially provides the dimensional stability of the fabric and which consists of polyester and/or PCTA and/or PCT and/or PEEK and/or PPS and/or thread material which includes PA with high temperature stability; a fibrous nonwoven layer located on the basic structure, which essentially provides the water absorption capacity of the fabric and which provides the dryer fabric with a web material contact side on its outside, facing away from the basic structure, whereby the fibrous nonwovens layer comprises a first polymer material located at least in the area of the outside and whereby the fibrous nonwovens layer is compressed and smoothed in the area of the outside which provides the web material contact side through means of hot-calendering above the melting temperature of the first polymer material. | 01-07-2010 |
20100032121 | SHOE PRESS BELT - A press belt | 02-11-2010 |
20100059193 | Belt for Shoe Press | 03-11-2010 |
20100147480 | SHOE PRESS BELT - Disclosed is a shoe press belt ( | 06-17-2010 |
20110203758 | PAPERMAKING PROCESS BELT AND METHOD FOR MAKING THE SAME - A process belt for papermaking with a long operational life comprises an integrated structure of a reinforcing fibrous base material | 08-25-2011 |
20110303383 | SHOE PRESS BELT - A shoe press belt includes a substrate, a wet paper web-side layer provided on the outer side of the substrate; and a shoe-side layer on the inner side; the wet paper web-side layer and the shoe-side layer are made from a high-polymer elastic material. The surface layer of the wet paper web-side layer includes concave water catching parts and land parts which are projecting parts occurring due to formation of the water catching parts. The occurrence of cracks in the surface part of the land part and the bottom part and corner parts of the water catching part of the shoe press belt is suppressed by setting the hardness of the surface part of the land part at a relatively higher value than the hardness of the bottom part of the water catching part. Thereby, occurrence of cracks in the surface part of the land parts and the bottom part of the water catching part in a shoe press belt having water catching parts and land parts in the surface layer of the wet paper web-side layer can be suppressed. | 12-15-2011 |
20120012270 | SHOE PRESS BELT - A belt (shoe press belt) for papermaking machines having good wet paper web water squeezing capability, and wherein damage, cracks, and abrasion of the outer circumferential belt surface during use is small, and due to the reduced abrasion between the cutting chips, the cutter and the groove walls, the cutter life is long and the surface roughness is small. The cross-section in the cross-machine direction of the water draining grooves is provided in the machine direction in the felt-side surface of the shoe press belt and the groove corner parts formed by the groove sidewalls and the groove bottom part of the water draining grooves are chamfered in the shape of a trapezoid or a rectangle. | 01-19-2012 |
20120090801 | CALENDER FOR TREATING A PRODUCT WEB | 04-19-2012 |
20130192787 | PAPER MAKING SHOE PRESS BELT - A paper making shoe press belt includes a reinforcing fiber substrate and a polyurethane laminate. The reinforcing fiber substrate is embedded in at least one layer of the polyurethane laminate. At least one layer of the polyurethane laminate includes a polyurethane obtained by heat-curing a urethane prepolymer together with a mixed curing agent. The urethane prepolymer includes a terminal isocyanate group and is obtained by reacting a diisocyanate compound and a long-chain polyol. The diisocyanate compound includes at least one of toluene-diisocyanate, diphenylmethane-diisocyanate, and paraphenylene-diisocyanate. The mixed curing agent includes 70-99.5 mol % of dimethylthiotoluenediamine and 0.5-30 mol % of a curing agent. The curing agent includes at least one of 4,4′-methylenebis(2,6-diethyl-3-chloroaniline), 4,4′-methylenedianiline, and 1,4-butanediol. An equivalent ratio of active hydrogen groups of the mixed curing agent to isocyanate groups of the urethane prepolymer is from 1.02 to 1.15. | 08-01-2013 |
20130192788 | PAPER MAKING SHOE PRESS BELT - A paper making shoe press belt includes a reinforcing fiber substrate and a polyurethane laminate. The reinforcing fiber substrate is embedded in at least one layer of the polyurethane laminate. At least one layer of the polyurethane laminate includes a polyurethane obtained by heat-curing a urethane prepolymer together with a mixed curing agent. The urethane prepolymer includes a terminal isocyanate group and is obtained by reacting a diisocyanate compound and a long-chain polyol. The diisocyanate compound includes at least one of toluene-diisocyanate, diphenylmethane-diisocyanate, and paraphenylene-diisocyanate. The mixed curing agent includes 70-99.5 mol % of dimethylthiotoluenediamine and 0.5-30 mol % of a curing agent. The curing agent includes at least one of diethyltoluenediamine and hydroquinone bis (β-hydroxyethyl) ether. An equivalent ratio of active hydrogen groups of the mixed curing agent to isocyanate groups of the urethane prepolymer is from 1.02 to 1.15. | 08-01-2013 |
162358500 | With heating means | 1 |
20090211723 | PRESSURE HOOD WITH REMOVABLE SEAL ASSEMBLY - A pressure hood with a pressure hood body to be used in conjunction with especially a heated cylinder in a machine for the production and/or conversion of a fibrous web, especially a paper-, cardboard- or tissue web, and a seal assembly to seal said pressure hood body against the cylinder, provides that the seal assembly can be inserted into or removed from the pressure hood body—particularly when the pressure hood is installed on the cylinder—through a movement in axial direction relative to the pressure hood body. | 08-27-2009 |