Device and method for handling trim strip in a web slitter

Details Device and method for handling trim strip in a web slitter Device and method for handling trim strip in a web slitter

1980-06-19

1982-05-18

Yost, Frank T.

Cutting

Processes

With subsequent handling

83121, 83152, 83422, B26D 124, B65H 3502

Patent

active

043298931

ABSTRACT:
Trim strip in a web slitter having upper and lower rotary slitting means cooperating at a severance point for trimming a strip from the edge portion of a travelling web is engaged on a cylindrical rotary trim biasing and guiding surface associated with the lower slitting means. The trim strip is retained in wrapping engagement on the rotary surface by pressure differential and thereby positively transported away from the severance point into a chute. At a point spaced from the severance point the trim strip is stripped from the rotary surface for onward movement in the chute.

REFERENCES:
patent: 453859 (1891-06-01), Flickinger et al.
patent: 2786673 (1957-03-01), Bridenstine
patent: 3103842 (1963-09-01), Winkler et al.
patent: 3200685 (1965-08-01), Heilbrunn
patent: 3252366 (1966-05-01), Karr
patent: 3405855 (1968-10-01), Daly et al.
patent: 3695131 (1972-10-01), Zimmermann
patent: 4231272 (1980-11-01), Crouse

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