Cap seal for drum

Details Cap seal for drum Cap seal for drum

1975-03-03

1976-10-26

Price, William

Receptacles

Closures

Superposed closures for common opening

220266, 220306, 215317, B65D 1700

Patent

active

039879291

ABSTRACT:
Cap seal made of a material having some elasticity and including a circular top wall, a peripheral wall and an inward annular projection formed on the inner surface of the peripheral wall and engageable with an outwardly projecting edge at the upper end of a mouthpiece of a drum. Each of the circular top wall and the peripheral wall is formed with a groove for removing the cap seal.

REFERENCES:
patent: 1982145 (1934-11-01), Shera
patent: 2156540 (1939-05-01), Helrath
patent: 2760671 (1956-08-01), Parish, Jr.
patent: 2837236 (1958-06-01), Betner
patent: 3122261 (1964-02-01), Parish, Jr. et al.
patent: 3269588 (1966-08-01), Ruekberg

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