Method and apparatus for threading closures

Details Method and apparatus for threading closures Method and apparatus for threading closures

1981-11-02

1983-08-23

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72123, 72126, B21D 5150

Patent

active

043996795

ABSTRACT:
An apparatus for forming a thread about the sidewall of a closure is disclosed. The apparatus features a nest for holding the closure and a circular tool fittable within the closure while it is in the nest. The nest and the circular tool have cooperating die means so that when the circular tool achieves planetary motion the die means coact one with the other to form a thread on the closure.

REFERENCES:
patent: 2145587 (1939-01-01), Draper
patent: 2209416 (1940-07-01), Montelione
patent: 2465253 (1949-03-01), Montelione
patent: 2484632 (1949-10-01), Marsh
patent: 2639757 (1953-05-01), Cheek
patent: 3367159 (1968-02-01), Youtz

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