Adjustable folding apparatus for zigzag folding

Details Adjustable folding apparatus for zigzag folding Adjustable folding apparatus for zigzag folding

1976-05-27

1977-08-30

Burr, Edgar S.

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B65H 4520

Patent

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040450120

ABSTRACT:
A folding apparatus for the zigzag folding of a web includes at least one reciprocating channel guide through which the web passes, the channel being engageable with the apparatus at a selected and changeable pivot point to thereby effect an adjustment of the amplitude of the channel for the folding of differently sized web sections. A pair of pivotally connected channels is alternatively provided, the upper and lower ones of which also being engageable with the apparatus at a selected and changeable pivot point.

REFERENCES:
patent: 2289615 (1942-07-01), Williams

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