Fiber chopper

Details Fiber chopper Fiber chopper

2004-08-17

2008-09-16

Ashley, Boyer D. (Department: 3724)

Cutting

With means to convey work relative to tool station

Cut made parallel to direction of and during work movement

C083S436600, C083S346000, C083S347000, C083S913000, C083S950000

Reexamination Certificate

active

07424842

ABSTRACT:
A method and apparatus for separating long, unwound items like fiber, fiber strands, yarn, etc. into short lengths. The apparatus has a backup roll, a blade roll, an idler roll, and a new-strand starting mechanism. The improvements include a guide roll for the items spaced from and located upstream of the apparatus and a movable, two-part idler roll on the apparatus for increasing the width of a separating portion of the backup roll.

REFERENCES:
patent: 3508461 (1970-04-01), Stream
patent: 3869268 (1975-03-01), Briar et al.
patent: 4083279 (1978-04-01), Wester et al.
patent: 4249441 (1981-02-01), Sturtz
patent: 4287799 (1981-09-01), Fujita et al.
patent: 4398934 (1983-08-01), Willis et al.
patent: 4411180 (1983-10-01), Roncato
patent: 4528050 (1985-07-01), Arther et al.
patent: 4551160 (1985-11-01), Frailey et al.
patent: 5970837 (1999-10-01), Arterburn
patent: 6598814 (2003-07-01), Bascom et al.

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