Positive expulsion fluid storage tanks

Details Positive expulsion fluid storage tanks Positive expulsion fluid storage tanks

1982-03-22

1984-03-20

Skaggs, H. Grant

Dispensing

With discharge assistant

Container with follower

60 3948, B67D 500

Patent

active

044375905

ABSTRACT:
There is disclosed in a positive expulsion fluid storage tank an improved pressure responsive diaphragm of the rolling inversion type. The diaphragm is of gradually increasing wall thickness advancing from the rim thereof towards the crown portion thereof, and the crown portion of the diaphragm is radially gradated into a thinner mid-crown portion.

REFERENCES:
patent: 2397796 (1946-04-01), Lippincott
patent: 3494513 (1970-02-01), Bauer
patent: 3722751 (1973-03-01), Bisciglia
patent: 3895746 (1975-07-01), Bauer
patent: 4129025 (1978-12-01), Carey et al.
patent: 4216881 (1980-08-01), Rosman

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