Capacitor can housing, process and apparatus for its manufacture

Details Capacitor can housing, process and apparatus for its manufacture Capacitor can housing, process and apparatus for its manufacture

1982-07-27

1985-04-30

Marcus, Stephen

Receptacles

Container attachment or adjunct

Pressure relief means

220207, B65D 5116

Patent

active

045138737

ABSTRACT:
A capacitor can housing of a ductile material is provided with a predetermined burst spot for excess pressure exceeding the working pressure. The can housing is provided with a wall weakening area formed at a deep draw area to define the burst spot and is formed by a deep drawing process which forms a groove disposed in at least one side but not penetrating the can wall. A corresponding device has a holding mandrel provided with a groove and an outside groove die, whereby the dies function as deep draw dies to form the burst spot.

REFERENCES:
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patent: 3244316 (1966-05-01), Atkinson et al.
patent: 3292826 (1966-12-01), Abplanalp
patent: 3338199 (1967-08-01), Taylor
patent: 3622051 (1971-11-01), Benson
patent: 3669302 (1972-06-01), Markarian
patent: 3815534 (1974-06-01), Kneusal
patent: 3893326 (1975-07-01), Oberlander et al.
patent: 3902627 (1975-09-01), Gane
patent: 4003505 (1977-01-01), Hardt
patent: 4038859 (1977-08-01), Pauleszek
patent: 4219126 (1980-08-01), Oana
patent: 4348464 (1982-09-01), Khoury

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