U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 242/555.7 - With peripheral drive


Subclass of Class 242 - Winding, tensioning, or guiding
Definition: Subject matter comprising powered means acting on the outer
No. of patents: 7
Last issue date: 08/27/2002


NumberTitleIssue Date
6440268High bulk tissue web
A partially unwound roll is moved for splicing with a subsequent parent roll, and the united web is rewound. The torque transmitting means include side clamping mechanisms engaging only the end surfaces of the parent rolls. In one aspect, an automated off...
08/27/2002
6390409Roll stand transmission device to control web tension
A roll stand with a frame, a holder arm arranged in the frame, a shaft for the holder, a holder, a motor, and a transmission agent. The transmission agent includes a first and second toothed wheel mounted on an incoming shaft, which is arranged to be driv...
05/21/2002
6355139Processed tissue webs
A high bulk tissue web is made by depositing an aqueous suspension of papermaking fibers onto a forming fabric to form a web, drying the web, winding the dried web to form a plurality of large diameter parent rolls wound on a core, and transporting the pa...
03/12/2002
6030496Making a web
A method of making a tissue web is disclosed for forming a wet web, drying the web, winding the dried web to form a plurality of parent rolls, unwinding the parent rolls using center drive unwind means, moving the partially unwound roll to effect splicing...
02/29/2000
5775630Roll stand
The invention relates to a roll stand (1') comprising a frame (3') with a roll-holding device (71) for two unwinding stations (A', B'), which frame (3') comprises means (101, 102, 103) for joining, in a roll-changing operation, a material web, which is un...
07/07/1998
5289984Paper roll driving apparatus
Disclosed is a paper roll driving apparatus which comprises a timing belt pulley fitted to a rotatable holding member for holding a paper roll core, a timing belt disposed in such a manner as to be selectively displaceable into an engagement/disengagement...
03/01/1994
4111741Arrangement for shutting off the drive for a supply roll
A web is being pulled off a supply roll nearing exhaustion. As the supply roll becomes exhausted, the web being pulled off is severed, and the trailing end of the severed web is glued to the periphery of a fresh web supply roll. Before the severing and gl...
09/05/1978
 
Sign InRegister
Username  
Password   
forgot password?