Method for the manufacture of a can lid having a triple-fold pus

Details Method for the manufacture of a can lid having a triple-fold pus Method for the manufacture of a can lid having a triple-fold pus

1978-07-24

1981-01-13

Mehr, Milton S.

B21D 5100

Patent

active

042443156

ABSTRACT:
In the manufacture of a gated can lid preparatory to attaching the lid to the body of a can, a pushdown gate is first formed in a metal blank prior to cutting the outline of the lid. The gate is cut in a panel which is integral with the lid, below an aperture in the lid, and beneath an underfolded, interconnecting spacer strip about this aperture. After the lid outline is cut from the blank, the circumferential chuck panel, seaming panel and curl are formed to complete the gated lid.

REFERENCES:
patent: 3362569 (1968-01-01), Geiger
patent: 3366086 (1968-01-01), Fraze
patent: 3888199 (1975-06-01), Herrmann
patent: 3951298 (1976-04-01), Klein

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