Pressure roller device

Details Pressure roller device Pressure roller device

1991-01-22

1992-01-14

Coe, Philip R.

Presses

Concurrent pressing and conveying

Roll type

100168, 100171, 100176, 355 27, 384610, B30B 304

Patent

active

050800108

ABSTRACT:
A pressure roller device includes upper and lower roller holders and small diameter upper and lower pressure rollers which are supported by the upper and lower roller holders, respectively. Upper and lower backup rollers, which are, respectively, provided at upper and lower sides of the upper and lower pressure rollers, remote from a point of contact of the upper and lower pressure rollers are rotatably supported by the upper and lower roller holders, respectively. The upper roller holder is rotatably supported, at one end of the upper and lower roller holders, by the lower roller holder. A pressing mechanism presses the upper roller holder against the lower roller holder, which is provided at the other end of the upper and lower roller holders, with the upper roller holder being rotated so as to be pressed against the lower roller holder, such that the upper and lower pressure rollers are brought into pressing contact with each other by the upper and lower backup rollers.

REFERENCES:
patent: 1563130 (1925-11-01), Weston
patent: 1614424 (1927-01-01), Coe
patent: 2851869 (1958-09-01), Quoos et al.
patent: 2885954 (1959-05-01), Berlyn
patent: 4343234 (1982-08-01), Sasaki
patent: 4727392 (1988-02-01), Stone et al.
patent: 4827312 (1989-05-01), Oginara et al.
patent: 4870451 (1989-09-01), Hayakawa et al.
patent: 4945381 (1990-07-01), Yamagata et al.
patent: 4945382 (1990-07-01), Yui et al.

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