Equipment for producing corrugate fin

Details Equipment for producing corrugate fin Equipment for producing corrugate fin

2008-03-11

2008-03-11

Crane, Daniel C (Department: 3725)

Metal deforming

By relatively movable offset tool-faces

Multi-point tool-couple

C072S403000, C072S414000, C072S452900

Reexamination Certificate

active

11359547

ABSTRACT:
The equipment for producing a corrugate fin is capable of forming corrugated sections by one closing action. The equipment comprises: a plurality of punches respectively having projections, each of which is upwardly projected from an upper face of the punch and has a side slope face; a pair of cam blocks being capable of relatively moving close and away each other, the cam blocks respectively having pressing sections, which are capable of moving along the side slope faces and contacting the projections; and a cam plate relatively moving the cam blocks close or away each other. Positions of the side slope faces of the projections are different so as to make the pressing sections contact the projections in order, and the cam blocks move the punches toward the die in order by one closing action of the blocks.

REFERENCES:
patent: 3439521 (1969-04-01), Tetart
patent: 3673846 (1972-07-01), Levington et al.
patent: 3726121 (1973-04-01), Arnold et al.
patent: 3845654 (1974-11-01), Fuller et al.
patent: 4635462 (1987-01-01), Bald
patent: 2003-115567 (2003-04-01), None
patent: 2004-223686 (2004-08-01), None

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