Cutting and flanging tools

Details Cutting and flanging tools Cutting and flanging tools

1992-05-08

1993-07-27

Crane, Daniel C.

Metal deforming

With cutting

By shearing tool-couple

72464, 72454, B21D 2802

Patent

active

052302377

ABSTRACT:
A combined punch and flange forming tool comprises a double-ended female die 7 and a punch 4. Initially, a first portion 2 of the female die is used in association with a cylindrical portion 8 of the punch to cut the required hole in the work-piece 11. Thereafter, the female die is reversed and flange forming profiles 17,18 the punch and female die respectively are used to deform the work-piece to provide the desired flange surrounding the hole.

REFERENCES:
patent: 1342263 (1920-06-01), Goben
patent: 2069231 (1937-02-01), Findlay
patent: 2348875 (1944-05-01), Beard
patent: 3494168 (1970-02-01), Williamson
patent: 3878950 (1975-04-01), Quinn
patent: 4761987 (1988-08-01), Gamauf

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