Apparatus and method for folding a sheet material

Details Apparatus and method for folding a sheet material Apparatus and method for folding a sheet material

2006-02-21

2006-02-21

Crane, Daniel C. (Department: 3725)

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp is active metal-deforming element

C072S311000, C072S379600

Reexamination Certificate

active

07000443

ABSTRACT:
Apparatus and method for folding a sheet material, preferably an electrode sheet, into a fan-fold orientation. A securement means secures a portion of the sheet material to a rotatable plate in a plane parallel to the rotatable plate. A rotatable releasable clamp secures at least a portion of the sheet in a first rotational position between the plate and clamp. A rotation means rotates the securement means, plate, and clamp so as to move the sheet from the first rotational position to a second rotational position, wherein, rotation from the first rotational position to the second rotational position forms a folded portion of the sheet over a portion of the clamp.

REFERENCES:
patent: 38115 (1863-04-01), Morgan
patent: 308349 (1884-11-01), Fairchild
patent: 316461 (1885-04-01), Huber
patent: 590264 (1897-09-01), Irons
patent: 671312 (1901-04-01), Delachartre
patent: 2086736 (1937-07-01), Palmer
patent: 3430478 (1969-03-01), Arnold
patent: 4100787 (1978-07-01), Straza et al.
patent: 4594868 (1986-06-01), Takeuchi et al.
patent: 6021657 (2000-02-01), Finn et al.

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