| |
 |
|
Class Information
Number: 492/4
Name: Roll or roller > With inflatable chamber
Description: Roll which includes a sealed cavity filled with fluid under pressure or with hydrostatically incompressible fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7530938 |
Pneumatic roller for passing film with attachments through rollers of machine |
May. 12, 2009 |
| 7481391 |
Air shaft |
Jan. 27, 2009 |
| 7455635 |
Casting roller for a double-roller continuous casting machine |
Nov. 25, 2008 |
| 7252261 |
Ultra-light pneumatic leaf expanding shaft |
Aug. 7, 2007 |
| 6789479 |
Apparatus for handling sleeves on press cylinders |
Sep. 14, 2004 |
| 6702928 |
Press roll |
Mar. 9, 2004 |
| 6640711 |
Bridge mandrel for use as a repeat builder in a printing machine |
Nov. 4, 2003 |
| 6641513 |
Web-handling roller |
Nov. 4, 2003 |
| 6526885 |
Support device for a printing sleeve |
Mar. 4, 2003 |
| 6401613 |
Printing cylinder sleeve assembly |
Jun. 11, 2002 |
| 6394943 |
Image transfer drum for document printer/copier |
May. 28, 2002 |
| 6378434 |
Adjustable matte for handling sheets in a printing press and method of using same |
Apr. 30, 2002 |
| 6261487 |
Method of and machine for controlling the nip of the rolls of a calender as an endless planar web is continuously passed through the nip |
Jul. 17, 2001 |
| 6129017 |
Cylinder for rotary press |
Oct. 10, 2000 |
| 5904095 |
Bridge mandrel for flexographic printing presses |
May. 18, 1999 |
| 5840386 |
Sleeve for a liquid transfer roll and method for producing it |
Nov. 24, 1998 |
| 5800324 |
Roll with vibration damper |
Sep. 1, 1998 |
| 5706731 |
Intermediate printing sleeve having air nozzles and means for selectively closing the nozzles |
Jan. 13, 1998 |
| 5700233 |
Sleeveless cantilever drive for high torque applications |
Dec. 23, 1997 |
| 5662821 |
Method and device for producing a screen printing stencil |
Sep. 2, 1997 |
| 5634606 |
Press-on roller |
Jun. 3, 1997 |
| 5537923 |
Printing sleeve air pressure mounting apparatus |
Jul. 23, 1996 |
| 5515781 |
Nickel printing sleeve with protective hard rubber rims |
May. 14, 1996 |
| 5507228 |
Printing cylinder |
Apr. 16, 1996 |
| 5484370 |
Rotatably supported roll |
Jan. 16, 1996 |
| 5481975 |
Printing cylinder mandrel and image carrier sleeve |
Jan. 9, 1996 |
| 5453069 |
Working roller with variable deflection control |
Sep. 26, 1995 |
| 5341664 |
Roll set for thin metal strip |
Aug. 30, 1994 |
| 5308307 |
Working roll for a rolling mill |
May. 3, 1994 |
| 5081759 |
Vibration damping in a roll |
Jan. 21, 1992 |
| 5078821 |
Method and apparatus for producing composites of materials exhibiting thermoplastic properties |
Jan. 7, 1992 |
| 5063649 |
Roll assembly with rotatable shell for use in calenders and like machines |
Nov. 12, 1991 |
| 5058497 |
Compliant pressure roller |
Oct. 22, 1991 |
| 5035037 |
Adjustable expanding rubber tire roller for paper scoring machinery |
Jul. 30, 1991 |
| 4968100 |
Expansion fracture device |
Nov. 6, 1990 |
| 4949445 |
Fitted sleeve on a roller core |
Aug. 21, 1990 |
| 4941250 |
Roller for pressure treatment of a continuous web of material |
Jul. 17, 1990 |
| 4928593 |
Tensioning roller, and device provided with such a tensioning roller |
May. 29, 1990 |
| 4919761 |
Long nip press roll with internal line couplings at both axial roll ends |
Apr. 24, 1990 |
| 4917013 |
Mandrel with multiple locking heads |
Apr. 17, 1990 |
| 4903597 |
Printing sleeves and methods for mounting and dismounting |
Feb. 27, 1990 |
| 4856154 |
Method and device in an adjustable crown roll |
Aug. 15, 1989 |
| 4826571 |
Roller-type presses including methods associated therewith |
May. 2, 1989 |
| 4817410 |
Roll for mill |
Apr. 4, 1989 |
| 4794858 |
Pneumatic release mandrel |
Jan. 3, 1989 |
| 4776069 |
Piston-glide shoe combination in a variable-crown roll |
Oct. 11, 1988 |
| 4760631 |
Roll |
Aug. 2, 1988 |
| 4712472 |
Method of and apparatus for altering the moisture content of running webs |
Dec. 15, 1987 |
| 4691420 |
Stone pressure roll for a web of fibers |
Sep. 8, 1987 |
| 4656709 |
Floating roll capable of acting in two opposite directions |
Apr. 14, 1987 |
|
|
|
