Hand operated tube crimping apparatus

Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Plural or complex apparatus

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Details

72422, B21D 914

Patent

active

041988426

ABSTRACT:
Described is a portable hand operable tube crimping device. The tube to be crimped is manually moved to the crimping die by means of a ratchet and pawl assembly connected to a drive means and the crimping die is manually operable by engaging a toggle assembly connecting a three piece male die set.

REFERENCES:
patent: 343631 (1886-06-01), Evans et al.
patent: 1160326 (1915-11-01), Robertson
patent: 2593732 (1952-04-01), Dahlman
patent: 3861184 (1975-01-01), Knudson

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