Metal spinning process and apparatus and product made thereby

Details Metal spinning process and apparatus and product made thereby Metal spinning process and apparatus and product made thereby

1989-05-09

1990-09-04

Larson, Lowell A.

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 84, 72110, 72466, B21D 1704

Patent

active

049533762

ABSTRACT:
In a metal spinning process and apparatus for necking down a container having an open end, a closed end and generally cylindrical inner and outer surfaces, a resilient pressure bladder is inserted into the container prior to the necking down operation. Pressure is maintained in the bladder throughout the operation to prevent crumpling of the container body. The invention is particularly useful on thin walled, deep drawn steel containers.

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patent: 4723430 (1988-02-01), Hahn
Photographs and Drawings of Commercially Available Apparatus and Processes.

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