Curve conveyor belt

Details Curve conveyor belt Curve conveyor belt

2005-03-15

2005-03-15

Lillis, Eileen D. (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C198S831000, C198S841000, C198S842000

Reexamination Certificate

active

06866141

ABSTRACT:
A joining line from a portion of a belt caught and held between a driving roller and a pinch roller and the vicinity thereof to an outer peripheral end of the belt is a single straight line or a gentle curve having a large angle with respect to a tangent to a belt peripheral line. The joint of the other part of the belt is made by a finger joint. Alternately, a joining part from a portion of a belt caught and hold between a driving roller and a pinch roller and the vicinity thereof to an outer peripheral end of the belt is made with a finger joint with widely pitched fingers, while another joining part of the rest of the belt are made with a finger joint with narrowly pitched fingers. Peeling or breakage at the joining parts for a long time, and a thick joining part are eliminated. And low cost production is achieved.

REFERENCES:
patent: 4185737 (1980-01-01), Blattermann
patent: 4427107 (1984-01-01), Roberts et al.
patent: 5951441 (1999-09-01), Dalebout et al.
patent: 03260435 (1991-11-01), None
patent: 04277112 (1992-10-01), None
patent: 05270627 (1993-10-01), None
patent: 05-319530 (1993-12-01), None
patent: 2002-46835 (2002-02-01), None
patent: 2002-87565 (2002-03-01), None
patent: 2002-114342 (2002-04-01), None
patent: 2002-226025 (2002-08-01), None
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 135229/1985 (Laid-open No. 44813/1987)(Mitsuboshi Belting Ltd.), Mar. 18, 1987.
Patent Abstracts of Japan for JP2002-226025 published on Aug. 14, 2002.
Patent Abstracts of Japan for JP2002-114342 pulished on Apr. 16, 2002.
Patent Abstracts of Japan for JP2002-87565 published on Mar. 27, 2002.
Patent Abstracts of Japan for JP05-319530 published on Dec. 3, 1993.
Patent Abstracts of Japan for JP2002-46835 published on Feb. 12, 2002.

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