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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 492/21
Name: Roll or roller > With internal wedging expander
Description: Roll wherein the internal support for the working surface of the roll includes a tapering element and means enlargeable in circumference by the movement of such element relative thereto.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8075465 Roller assembly with an eccentric expandable cover retaining ring and a method of manufacturing the roller assembly Dec. 13, 2011
7871361 Rotating roller to shape moving webs Jan. 18, 2011
7867155 Expander roller Jan. 11, 2011
7850587 Bend adjustable roller Dec. 14, 2010
7578380 Roller table roll, particularly for conveying furnace-heat Aug. 25, 2009
7578897 Rubber member sticking device Aug. 25, 2009
7448484 Roller-conveyor roller for the transport of furnace-heated metallic strip material Nov. 11, 2008
7275632 Roller conveyor roller, especially for the transport of furnace-heated metallic strip material Oct. 2, 2007
6827677 Rollers or cylinders with a metallic foam core Dec. 7, 2004
6684783 Method for imaging a media sleeve on a computer-to-plate imaging machine Feb. 3, 2004
6666804 Two stage clamping pinion Dec. 23, 2003
6546867 Variable-diameter cylindrically-shaped body Apr. 15, 2003
6526795 Expanding spline drive for high torque Mar. 4, 2003
6382837 Device and method for holding a drum in a printer or copier May. 7, 2002
6123285 Expandable fiber core insert Sep. 26, 2000
6110093 Variable diameter roller Aug. 29, 2000
6024838 Calender for paper and the like Feb. 15, 2000
5803235 Idler roller conversion system with impact shell Sep. 8, 1998
5583624 Device for the releasable fastening of a fixing drum to bearing flanges of a fixing station in an electrophotographic printer or copier apparatus Dec. 10, 1996
5522785 Infinitely variable diameter roller Jun. 4, 1996
5313883 Printing press with a dynamic expansion band adjusting mechanism May. 24, 1994
5151737 Photoconductive drum having expandable mount Sep. 29, 1992
5142758 Transport roller for paper sheets Sep. 1, 1992
5141601 Press roll with wedge clamp for the press-jacket edges Aug. 25, 1992
5138923 Rotary die cutter Aug. 18, 1992
5109585 Roll for a roll stand having an exchangeable roll ring and a divided roll body May. 5, 1992
5098523 Press roll with wedge clamp for the press jacket edges Mar. 24, 1992
5027491 Roller Jul. 2, 1991
4949445 Fitted sleeve on a roller core Aug. 21, 1990
4941250 Roller for pressure treatment of a continuous web of material Jul. 17, 1990
4800644 Method for fastening or loosening a clamp unit Jan. 31, 1989
4787955 Application roller for a labelling device Nov. 29, 1988
4660268 Rolling mill roll assembly Apr. 28, 1987
4624184 Annular expansible heads for a printing cylinder assembly Nov. 25, 1986
4545425 Mounting device Oct. 8, 1985
4503769 Metal coated thin wall plastic printing cylinder for rotogravure printing Mar. 12, 1985
4498527 Heat-exchanging roller Feb. 12, 1985
4448554 Sheet feeding apparatus having an expansible periphery May. 15, 1984
RE31554 Roll device Apr. 17, 1984
4441426 Printing apparatus Apr. 10, 1984
4423541 Rolling mill roll Jan. 3, 1984
4343011 Facsimile apparatus Aug. 3, 1982
4253392 Hollow fuser roll with variable taper Mar. 3, 1981
4241659 Sheet transfer apparatus for rotary printing machines having serially arranged printing stations Dec. 30, 1980
4214339 Rotary broom core assemblage Jul. 29, 1980
4208147 Variably tensioned roll-to-shaft clamping means Jun. 17, 1980
4181217 Conveyor-belt drum Jan. 1, 1980
4165551 Rotary brush roll construction Aug. 28, 1979
4105445 Resilient arcuate surface containing photoconductor Aug. 8, 1978
4044669 Rotary screen mounting device Aug. 30, 1977

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