Class 34/453 - Using vacuum roller

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the sheet, web, or strand is transported
No. of patents: 21
Last issue date: 09/30/2008

Number	Title	Issue Date
7428786	Method and an apparatus for manufacturing a fiber web provided with a three-dimensional surface structure A method for manufacturing a fiber web having a three-dimensional surface structure and a strength. The method includes the steps of pre-imprinting the fiber web, pressing the fiber web and forming the fiber web. The pre-imprinting step pre-imprints the fiber web at...	09/30/2008
7351307	Method of dewatering a fibrous web with a press belt A method of dewatering a fibrous web in a paper machine including the steps of carrying the fibrous web on a side of a first fabric; contacting the fibrous web with a side of a second fabric, the fibrous web being between the first fabric and the second fabric; and ...	04/01/2008
7150110	Method and an apparatus for manufacturing a fiber web provided with a three-dimensional surface structure A method an apparatus for manufacturing a fiber web, in particular a web of tissue or hygiene material, provided with a three-dimensional surface structure, whereby the fiber web is pressed at a dry content of	12/19/2006
6993029	IP switch, interface circuit and ATM switch used for IP switch, and IP switch network system In a system in which communication is performed among a plurality of devices having a mechanism of disassembling a packet into ATM cells to send them and a plurality of devices having a mechanism of assembling the received ATM cells into the packet, a frame is preve...	01/31/2006
6959503	Method and apparatus for removing liquid from substrate surfaces using suction A cost effective and environmentally sound method for quickly removing liquid from surfaces of a substrate under manufacture without leaving behind substantial residue (e.g., silicon elements from the substrate, commonly known in the field as “water marks”). The...	11/01/2005
6952888	Dryer vacuum box A dryer vacuum box suppresses occurrence of sticking at an exit portion of a dryer roll in a dryer part of a paper machine to prevent paper break in the dryer part of the paper machine upon high speed paper making. The dryer vacuum box is provided for applying a vac...	10/11/2005
6746573	Method of drying fibrous structures A method for drying fibrous webs utilizing a limiting orifice medium with a plurality of pores. The web is disposed on a supporting fluid permeable carrier. The web is pressed between the supporting carrier and the limiting orifice medium. A vacuum greater than the ...	06/08/2004
6523278	Dryer section The invention concerns a dryer section, comprising at least one dryer group (R) that makes use of single-wire draw and/or twin-wire draw and at least one suction roll (10) with which the web (W) to be dried is in direct contact. The surface construction o...	02/25/2003
6434856	Variable wet flow resistance drying apparatus, and process of drying a web therewith A micropore drying apparatus having a variable wet flow resistance. The flow resistance preferably decreases in the machine direction. The micropore drying apparatus may comprise a single integral unit having an decreasing wet flow resistance from the beg...	08/20/2002
6237248	Convection drier and method of use for manufacturing a material web A dry end of a machine for manufacturing a material web, in particular a paper or cardboard web, includes at least one convection drier, having at least one drying section. The material web passes through the at least one drying section, and is guided bet...	05/29/2001
6105276	Limiting orifice drying medium, apparatus therefor, and cellulosic fibrous structures produced thereby A limiting orifice through-air-drying medium for papermaking or other absorbent embryonic webs. The medium may be used in an apparatus which can be embodied in a cover and a roll. The medium has the unique combination of a relatively high bending fatigue ...	08/22/2000
6049999	Machine and process for the restrained drying of a paper web A papermaking machine including a forming section for forming a paper web, a press section for pressing water from the paper web, and a dryer for drying the paper web is disclosed. The dryer includes a wet end for drying the paper web to at least about 60...	04/18/2000
5864965	Web drying When drying a paper web (4) in a dryer section (1) of a paper machine provided with drying cylinders (2, 3) and drying wires (5, 6), shrinkage of the paper web in cross direction is counteracted by applying forces at its edge portions (11). According to t...	02/02/1999
5829164	Method and machine for drying a material web with guide rollers A machine for producing a material web, e.g., a paper or cardboard web, with a dryer section including at least one dryer group having a plurality of dryer cylinders and a plurality of web guide rolls, e.g., suction web guide rolls. At least one web guide...	11/03/1998
5699626	Capillary dewatering method Disclosed is a method for reducing the moisture content of a paper web in a papermaking process from in the range of 10% to 32% dry to the range of 33% to 50% dry wherein the embryonic web is supported on a knuckled through drier fabric and lightly presse...	12/23/1997
5598643	Capillary dewatering method and apparatus Disclosed is a method for reducing the moisture content of a paper web in a papermaking process from in the range of 10% to 32% dry to the range of 33% to 50% dry wherein the embryonic web is supported on a knuckled through drier fabric and lightly presse...	02/04/1997
5581906	Multiple zone limiting orifice drying of cellulosic fibrous structures apparatus therefor, and cellulosic fibrous structures produced thereby limiting orifice through-air-drying apparatus for papermaking or other absorbent embryonic webs. The apparatus has a first zone and a second zone. The first zone is maintained at a differential pressure less than the breakthrough pressure, while the secon...	12/10/1996
5535527	Method and arrangement in a multi-cylinder dryer of a paper machine A method for causing adherence of a web to a drying wire so as to prevent the effects of centrifugal forces and of other air-flow phenomena, which effects attempt to separate the web from the drying wire in dryer groups having a single-wire draw and arran...	07/16/1996
5185940	Device for through-flow processing of web material In a screen drum device with a fan mounted endwise for generating suction through the screen drum surface, in front of a screen drum jacket, a baffle cover is usually provided. This baffle cover generates in a baffle chamber in front of the baffle cover, ...	02/16/1993
5062216	Single tiered multi-cylinder paper dryer apparatus Apparatus utilizing a single tier of rotatable cylindrical steam dryers from entrance to exit is provided for the drying of a paper web in a paper-making process. The web is supported by a felt as it traverses the apparatus from dryer to dryer which is tr...	11/05/1991
4942675	Apparatus and method for regulating the profile of a paper web passing over a Yankee cylinder in an integrated IR-dryer/Yankee hood A method and apparatus for regulating the profile of a paper web passing over a Yankee cylinder in an integrated IR-dryer/Yankee hood (3,2), wherein the IR-dryer (3) is placed before the wet-end block of the Yankee cylinder. The amount of air leaking into...	07/24/1990

PatentStorm

Quotables

PatentStorm News

Class 34/453 - Using vacuum roller