Brewing vessel with manhole opening

Details Brewing vessel with manhole opening Brewing vessel with manhole opening

1998-01-09

1999-09-28

Cronin, Stephen K.

Receptacles

Closures

With closure opening arrangements for means

220291, 220831, 220844, 2922565, B65D 4500, C12C 1302

Patent

active

059573180

ABSTRACT:
The present invention relates to a brewing vessel comprising a manhole opening which is closable by a lockable lid. To obtain a simple locking mechanism which, in particular, does not create any unaccessible space, the locking ring is supported on the outside of the frame and comprises at least one locking bolt which cooperates with a recess formed in a collar of the lid.

REFERENCES:
patent: 1848954 (1932-03-01), Jarvis
patent: 2022868 (1935-12-01), Nelson
patent: 2431905 (1947-12-01), Anicetti
patent: 2583073 (1952-01-01), Ahlborn
patent: 3076577 (1963-02-01), Craig
patent: 3488883 (1970-01-01), Clements et al.
patent: 3951300 (1976-04-01), Kalasek
patent: 4466551 (1984-08-01), Leung
patent: 5064082 (1991-11-01), Lombardi et al.
patent: 5072850 (1991-12-01), Gagnon et al.
patent: 5628423 (1997-05-01), Yoshino
patent: 5727704 (1998-03-01), Glynn
patent: 5768976 (1998-06-01), Suk

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