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

Wide endless belt

Patent 5705446 Issued on January 6, 1998. Estimated Expiration Date: Icon_subject January 6, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1536533

2597284

3190137

Inventors

Assignee

Application

No. 259516 filed on 06/14/1994

US Classes:

442/260, At least one layer contains natural or synthetic rubber428/166, Interlaminar spaces428/168, With particulate matter428/171, Fiber containing component428/172, Composite web or sheet428/175, Embodying mechanically interengaged strand(s), strand-portion(s) or strand-like strip(s) (e.g., weave, knit, etc.)428/402, Particulate matter (e.g., sphere, flake, etc.)442/239, Woven fabric including an additional woven fabric layer442/255, Three or more distinct layers442/261, At least one layer is a preformed synthetic polymeric film or sheet442/289, Fluorinated olefin polymer or copolymer sheet or film (e.g., TEFLON™, etc.)474/253, Including particular means connecting opposite ends to form loop474/258Connector comprises cord sewn through belt ends

Examiners

Primary: Weisberger, Richard

Attorney, Agent or Firm

Foreign Patent References

  • 0013471 EP. 07/25/1984
  • 0133478 EP. 02/25/1985
  • 3229813 DE. 02/25/1984
  • 2059343 GB. 04/25/1981

International Classes

D03D 001/00
D03D 011/00
B32B 005/26

Foreign Application Priority Data

1993-06-18 JP

Abstract

An endless belt having an inside surface, an outside surface, a length and a width. The belt has a canvas core layer, an elastomer layer outside of the canvas core layer, a surface canvas layer that is expansible lengthwise of the belt outside of the elastomer layer, and structure applied on the surface canvas layer and exposed on the outside surface of the endless belt to resist bonding of foreign material thereto.

Other References

  • Rubber Products Manufacturing Technology, Bhowmick et al pp. 593-64
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