Method of fabricating an expulsion tank diaphragm

Details Method of fabricating an expulsion tank diaphragm Method of fabricating an expulsion tank diaphragm

1977-02-25

1978-12-12

Knowles, Allen N.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

113116B, 138 30, B21D 2224

Patent

active

041290259

ABSTRACT:
A diaphragm adapted for use in a positive expulsion tank is subjected to a pre-rolling operation prior to installation within a tank in order to provide for improved diaphragm rolling characteristics during a subsequent expulsion operation.

REFERENCES:
patent: 3275193 (1966-09-01), Barr
patent: 3471349 (1969-10-01), Cohen
patent: 3494513 (1970-02-01), Bauer
patent: 3711027 (1973-01-01), Carey
patent: 3940031 (1976-02-01), Fishman
patent: 3957005 (1976-05-01), Heffner
patent: 4051707 (1977-10-01), Valek et al.
Metals Handbook, 8th edition Ohio, American Society For Metals, 1969, pp. 178-180, 187.

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