Apparatus for manufacture of continuous hinge

Details Apparatus for manufacture of continuous hinge Apparatus for manufacture of continuous hinge

1975-11-06

1977-03-08

DiPalma, Victor A.

Metal working

Hinge making or assembling

295642, 29 33S, 29411, 29416, 29434, 29437, 29439, B21D 5340, B21K 1302

Patent

active

040105245

ABSTRACT:
There is disclosed a manufacture of a continuous hinge. The process is as follows. A metal strip is fed intermittently by a predetermined length towards a press-machining station where the strip is simultaneously cut and bent to form a hole, flap, swaged flap and loop during the stoppage of the strip. The strip having loops is cut into predetermined length to form leaves for a hinge. A pair of leaves are assembled by inserting a pintle through the aligned loops, and the assembly is reformed by roll means.

REFERENCES:
patent: 442656 (1890-12-01), Whittlesey
patent: 611714 (1898-10-01), Smith et al.
patent: 1604228 (1926-10-01), Kellogg
patent: 1604229 (1926-10-01), Kellogg

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