Drum with drum closure and method

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

1998-06-24

1999-10-05

Cronin, Stephen K.

Metal working

Method of mechanical manufacture

Assembling or joining

285204, 220601, B21D 3900, B23P 1100

Patent

active

059605286

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: 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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