Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1992-12-17
1994-11-29
Shoap, Allan N.
Receptacles
Closures
Having means for securing or retaining closure in its closed...
220308, 220324, 220378, B65D 4532
Patent
active
053681827
ABSTRACT:
The lid seal for wide-mouthed barrels (2) blow-molded of a synthetic resin utilizes a solid sealing ring (9) of plastic, this ring being in contact with the underside of a solid flange (10) projecting radially outwardly at a spacing below the barrel opening from the barrel wall, as well as a counter ring (11 ), likewise produced of plastic, this counter ring resting on a flange (12) molded on the bottom to the outer lid rim (4). Locking sleeves (13, 14) are formed on the clamping rings (9, 11), distributed about the circumference, these sleeves engaging in corresponding bores (15, 16) in the barrel flange (10) and in the lid flange (12). The clamping rings (9, 11) and the locking sleeves (13, 14) molded thereon have conical aligned through bores (17, 18). For closing the lid (1) placed on the wide-mouthed barrel (2), clamping bolts (19) of plastic or metal are pressed, by a pressing tool, from above into the conical bores (18, 17 ) of the two clamping rings (11, 9). The ring (9) in contact with the barrel border (10) is supported by a corresponding device. On account of the clamping force exerted by the clamping bolts (19), the lid gasket (8) is pressed against the opening rim of the barrel neck (3).
REFERENCES:
patent: 2412603 (1946-12-01), Dauphinais
patent: 2829793 (1958-04-01), Baumann
patent: 3746206 (1973-07-01), Utz
patent: 3924649 (1975-12-01), Totman
patent: 3981409 (1976-09-01), Flanders
patent: 4177934 (1979-12-01), Hammes et al.
patent: 4500010 (1985-02-01), Schutz
patent: 4585138 (1986-04-01), Jonkers
patent: 4589643 (1986-05-01), Breum
patent: 4880138 (1989-11-01), Pfeiffer et al.
patent: 4941588 (1990-07-01), Flider
patent: 5102001 (1992-04-01), Teague et al.
NORMA Kegelflanschverbindungen, (clamping rings profiled in a U-shape).
Caretto Vanessa
Shoap Allan N.
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