Drum with drum closure and method

Details Drum with drum closure and method Drum with drum closure and method

1997-07-21

1998-12-29

Cronin, Stephen K.

Receptacles

Closures

Secondary closure within parameter of primary closure

220288, 220601, B65D 4104

Patent

active

058531009

ABSTRACT:
A drum with a drum closure provided in a drum wall comprises an insert and a shut-off cap which can be placed in the insert which insert is situated in a collar on the drum wall pointing towards the outside of the drum and has a first flange which rests against the inside of the drum wall and a second flange which is flanged radially outwards over the collar and also a sealing ring which is wedged between the first flange and the inside of the drum wall. An additional seal which may or may not be connected to the sealing ring, is provided between the collar and the insert lying opposite in order to improve the sealing.

REFERENCES:
patent: 1884602 (1932-10-01), Dillhoefer, Jr.
patent: 1931243 (1933-10-01), Wackman
patent: 1997203 (1935-04-01), Shera
patent: 2325929 (1943-08-01), Amesbury et al.
patent: 3098579 (1963-07-01), Wheaton
patent: 3208775 (1965-09-01), Stap et al.
patent: 3219230 (1965-11-01), Housz et al.
patent: 3894331 (1975-07-01), Ragetti
patent: 3946894 (1976-03-01), Simkus
patent: 3987929 (1976-10-01), Mineo
patent: 4117949 (1978-10-01), Dwinell
patent: 4706836 (1987-11-01), Greck

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