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Class 162/901 - IMPERMEABLE BELTS FOR EXTENDED NIP PRESS


Subclass of Class 162 - Paper making and fiber liberation
Definition: Cross-reference art collection of impermeable belts, per
No. of patents: 122
Last issue date: 09/23/2008


1        
NumberTitleIssue Date
7426944Double layer forming fabric with high center plane resistance
Double layer forming fabrics, woven to an overall repeating weave pattern requiring at least 8 sheds in the loom, provide a low drainage area in a notional center plane between the paper and machine side layers, to resist and retard initial impingement drainage. Tra...
09/23/2008
7413633Belts and roll coverings having a nanocomposite coating
The present invention relates to a urethane-based coating having nanoparticles for improving the characteristics of a papermaking process belt, roll cover and belts used in textile applications. For example, the present invention improves resistance to flex fatigue,...
08/19/2008
7387711Shoe press belt having a grooved surface
A belt for use in a long nip press having an arcuate pressure shoe. The belt has at least one layer having a polymer resin coating on at least one surface thereof. The resin coating has a plurality of grooves arranged therein and wherein a number of the grooves has ...
06/17/2008
7384517Press belt and manufacturing method thereof
A press belt with occurrence of pinholes remarkably reduced as well as a manufacturing method of the press belt are provided. The press belt includes a reinforcing base material containing multifilaments that are impregnated with a bundling agent and an elastic mate...
06/10/2008
7384516Belt with variable grooves
A belt for use in a papermaking process, such as in a long nip press having a cylindrical press roller and an arcuate pressure shoe which define a nip. The belt has a nip load zone which passes through the nip during an operation. The belt comprises a substrate havi...
06/10/2008
7374641Papermaking belt and method of manufacturing papermaking belt
A papermaking belt, used for a shoe pressing belt, a calender belt and a sheet transfer belt, is prevented from cracking and inhibited from growth of a crack, and comprises a reinforcing substrate (6) embedded in a thermosetting polyurethane layer (7) ...
05/20/2008
7374640Grooved surface belt or roll and method of fabrication
The present invention is a grooved belt, or surface roll where applicable, and a method for making these belts or rolls, comprising placing a chemically reactive material on a partially completed belt surface, and depositing an elastomeric material onto the chemical...
05/20/2008
7326321Shoe press belts and shoe press device using the belts
In a shoe press belt (11; 21; 31; 41; 51; 61) endlessly formed by an elastic material, a plurality of drains (15; 25; 35; 45; 55; 65) are formed on the outer peripheral surface of the shoe press belt along the peripheral direction of the shoe press bel...
02/05/2008
7303656Low permeability textile substrate for a two-sided coated product
A laminated substrate or base structure comprising separately formed layers with warp knitted or stitch bonded yarns joining the layers together wherein at least one of the layers is a reinforcing layer and at least one of the layers is for inhibiting resin flow thr...
12/04/2007
7287974Calender arrangement
A calender arrangement for calendering a material web, in particular a paper web, having a shoe roll and a mating roll, between which an extended nip is formed, through which the material web can be guided. The shoe roll includes a revolving shell, which is fixed to...
10/30/2007
7285185Wet paper web transfer belt
A wet paper web transfer belt comprises a base body, a wet paper web side layer, and a machine side layer. The wet paper web side layer is formed of a high molecular weight elastic section, and fibers and filler particles are exposed at its surface. The fibers and f...
10/23/2007
7192507Machine for producing a fibrous material web
Machine for producing a fibrous material web and process for guiding the web through the machine. The machine includes a wire section, a drying section, arranged downstream of the wire section with regard to a web travel direction, having at least one free web draw,...
03/20/2007
7185757Shoe press belt
A shoe press belt comprises a shoe side layer, a base body on the external circumference of the shoe side layer, and a wet paper web side layer formed on the external surface of the base body. The shoe side layer is formed on mandrel having a polished surface, and t...
03/06/2007
7169265Method for manufacturing resin-impregnated endless belt and a belt for papermaking machines and similar industrial applications
A method for manufacturing resin-impregnated endless belt structures and belt structures designed for use on a long nip press on a papermaking machine and for other papermaking and paper processing applications, requires the application of a sacrificial material ont...
01/30/2007
7166196Method for manufacturing resin-impregnated endless belt structures for papermaking machines and similar industrial applications and belt
A method for manufacturing resin-impregnated endless belt structure and belt structure, designed for use on a long nip press on a papermaking machine and for other papermaking and paperprocessing applications, requires the application of a polymeric resin material o...
01/23/2007
7156956Paper industry process belt with a surface structure composed of a porous membrane
A family of paper industry process belts (“PIPB's”) having a range of properties for different applications in the paper industry. The PIPB can be a laminate comprising a grooved press belt and a porous membrane embedded therein and used as a substitute dewateri...
01/02/2007
7144480Grooved belt with rebates
A shoe press belt having formed on an outer surface a plurality of parallel machine direction grooves. Each groove has formed therein a plurality of conical rebates. The rebates are spaced along each groove with centers coincident with the groove center line. The po...
12/05/2006
7128811Belt for a papermaking machine
A belt for a papermaking machine has minute projections and recesses randomly formed in a shoe-contacting surface of the belt by a powdery material contained in a high molecular weight elastic section formed on a base body. The surface roughness RZ of the shoe-conta...
10/31/2006
7118650Wet paper web transfer belt
In a wet paper web transfer belt, the wet paper web side layer is formed by a high molecular weight elastic section containing porous bodies which are exposed at, or protrude from the web-contacting surface. The porous bodies are anchored in the resin and wear at ab...
10/10/2006
7097741Belt for shoe press
A shoe press belt capable of preventing the occurrence and growth of cracks therein and is used in a paper-making press apparatus containing a press roll, a belt, and a pressure shoe for pressing a material web, wherein the shoe press belt includes a reinforcing lay...
08/29/2006
7090747Belt for papermarking and process for producing papermaking belt
A papermaking belt which prevents cracking and inhibits crack growth which includes a reinforcing substrate embedded in a thermosetting polyurethane layer so that the reinforcing substrate and the thermosetting polyurethane layer are integrated with each other and t...
08/15/2006
RE39176Resin-impregnated belt for application on papermaking machines and in similar industrial application
A resin-impregnated endless belt for a long nip press or calender of the shoe type, or for other papermaking and paper-processing applications, has a base fabric in the form of an endless loop with an inner surface, an outer surface, a machine direction and a cross-...
07/11/2006
7014733Belt for shoe press and shoe calender and method for forming same
A method of producing an endless belt includes the steps of: securing axial fibers relative to a mandrel, the axial fibers being spaced apart from one another at desired intervals and extending substantially parallel to a longitudinal axis of the mandrel; applying a...
03/21/2006
7014734Shoe press belt
Nip press belt of a wet press or a calender with elongated nip, in particular for a paper, cardboard or tissue machine, with a flexible elastomer layer that is impermeable to liquids and with a textile reinforcing layer, wherein the elastomer layer comprises soft ru...
03/21/2006
7011730Structure for process belt
A method to produce a papermaker's shoe press belt or other industrial process belt and a belt made according to such method. The belt is produced by dispensing a mixture of polymer and staple fiber onto a cylindrical mandrel, by extrusion or by co-extrusion. Prefer...
03/14/2006
7011731Long nip press belt made from thermoplastic resin-impregnated fibers
Provided is a method for manufacturing a papermaking belt structure using tapes made of a solid thermoplastic resin surrounding a fibrous matrix. The method calls for applying a layer of CD oriented tapes to a mandrel surface, then applying a layer of MD oriented ta...
03/14/2006
7005042Nip press belt
Nip press belt (9) of a wet press (1) or a calender with elongated nip, in particular for a paper, cardboard or tissue machine, with a flexible carrier layer (9a) that is impermeable to liquids and is made of soft rubber having a hardness...
02/28/2006
7005045Belt for machines for producing material webs and process of producing the belt
A belt for a material web producing machine and a process of producing the belt. The belt includes a plurality of long-chain strength supports arranged to form interstices and a filler at least partially filling the interstices. The process includes forming a sheet ...
02/28/2006
6932888Flexible press cover and shoe press roll with such a flexible press cover
A flexible press cover which has an additional strengthening element in at least one of its two end regions. As a result, in the end region, the tensile strength and the tensile rigidity in the circumferential direction are increased with respect to that hitherto kn...
08/23/2005
6929718Shoe press belt
In a shoe press belt of a papermaking machine, the part of the paper web-facing layer in which water-holding grooves are formed is composed of a surface sublayer, having a relatively low hardness, and an underlying layer having a relatively high hardness. The higher...
08/16/2005
6921461Elastic belt for papermaking
A papermaking belt of improved durability capable of preventing a crack from progressing into the which includes a reinforcing substrate embedded in an elastic material, and the elastic material containing a surface layer, a back layer and an intermediate layer loca...
07/26/2005
6908532Press belt
A press belt for the formation of a nip between the belt and an opposing surface during processing of a fibrous pulp web, that includes a matrix of an elastomer material, a first layer of reinforcing fibers having a thickness and spacings therebetween, and extending...
06/21/2005
6835286Press roll belt and a press concept
A press roll belt is arranged to be used in connection with a roll (10) forming a press nip. The belt (12) of the press roll (10) is provided with a groove pattern formed of intersecting grooves (11A, 11B). A press concept has at l...
12/28/2004
6780287Belt for calendering
A relatively low-cost calendering belt having excellent heat resistance and durability comprises a central portion 30, and left and right side portions 20 located at the sides of the central portion. The right and left portions 20 comprise high ...
08/24/2004
6752908Shoe press belt with system for detecting operational parameters
A shoe press includes: a first member; a second member; a substantially cylindrical belt; and a processing unit. The first member has a convex pressing surface. The second member includes a shoe with a concave pressing surface substantially complimentary to the conv...
06/22/2004
6736939Shoe press belt
In a shoe press belt, in which the nip zone is narrower than the shoe width, the shearing force which normally acts on the belt at the outer boundary of the nip zone is made either weak or non-existent by forming the outer portions of the belt of less hardness than ...
05/18/2004
6723208Method for producing spiral wound paper machine clothing
A papermaker's fabric is manufactured by spirally winding a laminated structure in a plurality of turns. The laminated structure has a bottom layer and a top layer, both of which are strips having a common width. The bottom layer and the top layer are laminated to o...
04/20/2004
6712940Papermachine belt
A papermachine belt particularly for use in a press and/or dryer section comprises a support fabric, a minimal nonwoven layer on the support fabric, a fusible thermoplastic layer, and a thicker batt over the thermoplastic layer. The whole structure is needled togeth...
03/30/2004
6709552Papermaking belt
In a one-surface coated papermaking belt composed of a base layer and a thick resin layer, or a covered, one-surface coated papermaking belt composed of thin and thick resin layers on opposite sides of a base layer, curling of the edges of the belt due to the shrink...
03/23/2004
6699368Shoe press belt and manufacturing method
To improve the water squeezing function of a shoe press belt for papermaking, the wet web side layer of a main body of the belt is composed of a high molecular weight elastic material, and the wet web facing surface of the wet web side layer is made hydro...
03/02/2004
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