Sheet folding device

Details Sheet folding device Sheet folding device

1988-02-25

1989-04-11

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493456, 493457, 493956, B65H 4520, B65H 4518

Patent

active

048202550

ABSTRACT:
A sheet folding device which can fold a sheet in an accordion fashion simply and efficiently and can improve the efficiency in production of artificial flowers. The device includes a set of fixed parallel folding plates provided in an equidistantly spaced relationship on a fixed base, and a set of movable folding plates mounted for individual parallel movement on a movable member pivotally mounted on the base. A stack of sheets of paper is placed on the fixed member between the movable folding plates and the fixed folding plates, and a manually operable member is operated whereupon the movable folding plates are successively moved into gaps between the fixed folding plates thereby to fold the paper sheet stack in an accordion fashion.

REFERENCES:
patent: 943796 (1909-12-01), Shogran
patent: 2484390 (1949-10-01), Thorpe et al.
patent: 3797821 (1974-03-01), Crenshaw
patent: 4659323 (1987-04-01), Ito et al.

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