Apparatus for threading closures

Details Apparatus for threading closures Apparatus for threading closures

1980-12-31

1983-12-20

Gilden, Leon

Metal deforming

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

Tool orbiting or rotating about an axis

72115, 413 46, 413 56, 413 23, B21D 108

Patent

active

044209592

ABSTRACT:
An apparatus for threading a closure having cylindrical walls which includes securing the closure in a stationary nest, inserting a threading tool having indentions on the outside thereof into the interior of the closure, moving the closure into a ring having projecting threads on the inside thereof around the outside walls of said closure, moving the threading tool into contact with the interior portion of the closure upon which threads are to be formed, and moving the threading tool around the interior portion of the stationary closure in an orbital path to form threads in the closure without rotating the threading tool about the threading tool axis.

REFERENCES:
patent: 1900880 (1933-03-01), Kramer
patent: 2019493 (1935-11-01), Hothersall
patent: 2215845 (1940-09-01), Williams
patent: 2348085 (1944-05-01), Merolle
patent: 2353349 (1944-07-01), Merolle
patent: 2957439 (1960-10-01), Stuchberry

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