Class 100/121 - Roll

Subclass of Class 100 - Presses
Definition: Apparatus in which the surface through or along which the
No. of patents: 150
Last issue date: 04/05/2011

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Number	Title	Issue Date
7918160	Cane juice extractor The cane juice extractor includes a wagon that may be hitched to or towed alongside a harvesting machine or combine for application in-field. The wagon includes a frame having an upper deck and a lower deck. The upper deck includes an inlet side where harvested cane...	04/05/2011
7469632	Field harvester for sweet sorghum Present-day harvest methods for sweet sorghum are labor intensive, and/or require that large quantities of matter be removed to a central location for processing. A field harvester for sweet sorghum would cut the crop and reduce it to its separated juice and solids ...	12/30/2008
7441497	Wringing device A wringing device is used to expel fluids from a flexible container contained within an intermediate bulk container (IBC). The wringing device includes a support frame and a carriage movably coupled to the support frame for supporting components thereof. The wringin...	10/28/2008
7323087	Anti-rewet felt for use in a papermaking machine An anti-rewet fabric is used for carrying a fiber web through an air press. The ant-rewet fabric includes at least one air distribution fabric layer, one air distribution fabric layer being configured for contacting the fiber web, and a perforated film layer and/or ...	01/29/2008
7314191	Two roll sugarcane crushing mill An improved two roll sugarcane crushing mill has two roll mill modules in tandem, each has a pair of main crushing rolls having a bottom roll and a top roll. The bottom and top rolls are rotatingly mounted in a pair of main frames and a pair of top beams at the two ...	01/01/2008
7285180	Perforated deck made out of a plurality of segments A cylindrical rotating thickening device including an axial core, a plurality of longitudinally extending spaced apart support ribs extending radially from the axial core, and a shell surrounding the support ribs and supported thereon. The shell includes a plurality...	10/23/2007
7171893	Rotary press A rotary press is supported on a frame allowing liquid and solid receivers to be placed underneath the rotary press. The rotary press has an outer ring and an inner drum. The inner drum has an upper and lower flange with a stripper ring retained between these flange...	02/06/2007
7166229	Method and apparatus for extracting liquid present in a humid mass A system for extracting a liquid by pressing a humid mass, the system including at least one extraction channel, while extraction channel being provided with at least one inlet allowing to feed the extraction channel with the humid mass to be treated; with walls pro...	01/23/2007
7051882	Twin-wire belt press A twin-wire belt press is disclosed for dewatering a fiber suspension and forming a continuous web of the fiber suspension. The twin wire belt includes a plurality of upper and lower rolls, a perforated roll and endless upper and lower wire belts. Dewatering tables ...	05/30/2006
7039482	Floating process flow control system to handle operation events in a full automation plant A method to handle operation exceptions in an automated manufacturing system is achieved. The method comprises providing an automated manufacturing system comprising a means to track progress of work in process against standard process flows and a means to select pr...	05/02/2006
7010327	Portable radiotelephone for automatically dialing a central voice-activated dialing system A portable radiotelephone can be shifted between a first condition wherein the radiotelephone does not receive or transmit voice communications by radiotelephone transmissions over radiotelephone channels and a second condition wherein the radiotelephone receives an...	03/07/2006
6926805	Method for pressing paper web and a calender or a press device with a movable shoe element The press device for a paper web, such as a calendar, contains a flexible moving element (1a) forming an endless structure, said element forming the shell (1) of a roll, the press device including further a counter roll. Inside the moving elemen...	08/09/2005
6918864	Roller that avoids substrate slippage A roller assembly is provided. The roller assembly comprises a groove that the includes two opposing surfaces. The roller assembly comprises either frictional surfaces positioned along the groove, or O-ring(s) coupled to the groove. The frictional surfaces may be a ...	07/19/2005
6884323	Vented main roll for press assembly in a paper machine A roll for use in a paper machine includes a roll shell having an inner periphery. A roll cover is positioned around the roll shell and has an outer surface. The roll cover and/or the roll shell include at least one main flow channel positioned radially inward from ...	04/26/2005
6835286	Press 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
6682632	Roll for a paper or board machine The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantl...	01/27/2004
6660161	Dewatering device Apparatus for pressing liquid from a liquid containing material is disclosed including a pair of juxtaposed rotary rolls forming a nip, at least one of the rolls being liquid permeable, that roll including an abduction surface extending laterally across t...	12/09/2003
6616812	Anti-rewet felt for use in a papermaking machine An anti-rewet fabric is used for carrying a fiber web through an air press. The anti-rewet fabric includes at least one air distribution fabric layer, one air distribution fabric layer being configured for contacting the fiber web, and a perforated film l...	09/09/2003
6555013	Treatment method for things like sludge and treatment apparatus A method and apparatus for treating an aqueous-containing sludge in which the sludge is filtered on an elongate moving sheet of a water permeable unwoven fabric on paper. The moving sheet is folded and compressed between rollers whereby to express water t...	04/29/2003
6505658	Veneer dehydrating apparatus A veneer dehydrating apparatus which has a pair of rotatable dehydrating roll assemblies disposed one above the other and having their axes extending parallel to each other, at least one of which is positively driven. The paired roll assemblies includes a...	01/14/2003
6461505	Dewatering device Apparatus is disclosed for dewatering aqueous suspensions including a pair of rotatable rolls forming a nip therebetween, so that the aqueous suspension can pass downwardly through the nip and be dewatered by removing a filtrate from the suspension, and t...	10/08/2002
6402894	Sealing arrangement for pulp dewatering arrangement Arrangement 1 for washing and dewatering a fiber pulp suspension, which arrangement comprises two hollow, circular-cylindrical screen members 2a, 2b delimited by envelope surface and end walls. The screen members rotate towards each other to form a nip 10...	06/11/2002
6402896	Roll for a paper or board machine The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantl...	06/11/2002
6273270	Dam fed unrollable media filter subsequently folded along its length and rewound According to a waste water treatment method and apparatus of the present invention, a permeable sheet 3 is fed into a treatment tank 2 in which a stream is formed. The waste water, which flows downstream, is caused to pass through the permeable sheet 3, w...	08/14/2001
6241900	Unrollable media filtration with subsequent folding and pressing of media According to a waste water treatment method and apparatus of the present invention, a permeable sheet 3 is fed into a treatment tank 2 in which a stream is formed. The waste water, which flows downstream, is caused to pass through the permeable sheet 3, w...	06/05/2001
6146540	Dehydration of sludge by injecting sludge into a sequentially connected series of permeable bags and then squeezing the bags A plurality of unit bags 2a, 2b . . . are composed of a permeable strip-shaped nonwoven and arranged in a successive fashion without break so that they can be easily accommodated and stored by being rolled. An annular elastic body 5 disposed around an ope...	11/14/2000
6044980	Drum press extractor An apparatus for extracting liquids from a slurry formed of liquids and fibers, like diluted manure or paper mills residue. The apparatus has a rotatable drum covered with a resilient layer. The apparatus also has two draining rolls which are pressed agai...	04/04/2000
6042735	Process and device to drain a fibrous pulp suspension Process and device for draining a fibrous pulp suspension. The process may include positioning two surfaces to converge in a downstream direction, feeding the fibrous pulp suspension between the two converging surfaces, driving at least one of the two con...	03/28/2000
6036029	Device to drain a fibrous pulp suspension A device to drain a fibrous pulp suspension including an arched surface that is impermeable. The arched surface, moreover, is surrounded by a permeable belt. The belt and the arched surface are able to be moved such that there exists a relative velocity b...	03/14/2000
6029570	Press jacket for a press device Press jacket for a press device that drains a material web in a press nip having a press nip length. The press jacket includes blind holes for water absorption that open to a jacket surface of the press jacket and channels extending at least sectionally i...	02/29/2000
6004468	Serial drum apparatus and method for processing wet material An apparatus for processing a solid-liquid material comprises a housing formed with a series of interconnected chambers defined by chamber walls with at least two drums mounted in series within the chambers. Each chamber receives one of the at least two d...	12/21/1999
5985159	Method and device for concentrating a suspension A method for concentrating a suspension comprises the steps of providing a first surface; providing a second surface; introducing a suspension; moving the second surface relative to the first surface; and applying suction to the second surface. The first ...	11/16/1999
5970862	Seal in a roll press Apparatus for sealing a roll press including a seal extending along at least one of a pair of press rolls, the seal including a resilient member extending from the vat in which the press rolls are disposed towards one of the press rolls and a wear member ...	10/26/1999
5925258	Upright tubular filter unit and method of separation using the filter unit A method of separating particulate material suspended in a liquid from that liquid is described. The method includes the steps of: providing at least one upright tubular filter unit having a top end and a lower end; introducing a flow of the suspension in...	07/20/1999
5916276	Portable wringing device A wringing device is provided including a housing with a top face, a bottom face, a front face, a rear face and a pair of side faces formed therebetween thus defining an interior space. The top face has an entry opening formed therein and the front face h...	06/29/1999
5894791	Machine for separating a material mixture A material mixture is separated into components of different flowability using a perforated drum mounted in a housing and supported by a detachable mounted portion. The drum is partially wrapped by a presser belt with is pressed against the drum by an adj...	04/20/1999
5855168	Sugar cane milling system A sugar cane milling system for two roll or three roll crushing mill modules in tandem in which one or more of these mill modules is provided in addition and adjacent to it with at least one toothed feeder roller and with a juice drainer in the form of a ...	01/05/1999
5827400	Liquid treatment device Apparatus for liquid treatment and dewatering of material suspensions is disclosed including a pair of rotatable liquid permeable press rolls within a vat and in which the vat includes a bottom defining the space directed towards the nip between the press...	10/27/1998
5774929	Wringing device for a wet mop head of a mop head carrier A wringing device for a wet mop head of a mop head carrier, wherein the wringing device comprises an elastically prestressed, resilient base element and two wringing rollers that are mounted on the base element, the wringing rollers adapted to rotate para...	07/07/1998
5667642	Pulp slurry-handling press roll and twin and single roll slurry handling presses A drum having a longitudinal axis, and an outer periphery, has a multiplicity of longitudinal, drainage grooves formed therein, and a cylindrical sheath encloses the drum, the sheath having a multiplicity of holes formed therein. The drum is imperforate. ...	09/16/1997

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Class 100/121 - Roll