Industrial drums

Details Industrial drums Industrial drums

1977-02-09

1978-06-13

Marcus, Stephen

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220 1R, 220 67, 220 70, 220288, B65D 112, B65D 2514

Patent

active

040944328

ABSTRACT:
An industrial drum constructed of synthetic resin material by rotational molding, the material being a crosslinkable high density polyethylene resin having the ability to crosslink as the drum is molded. The top end wall of the drum carries a bung opening, and an integrally molded chime at the intersection of the top wall and the side wall has a configuration which enables gripping by a mechanized drum-handling apparatus and which includes a drain trough spaced at least a minimal distancefrom the bung opening. In one embodiment, the top end is threaded onto the side wall and a liner of relatively rigid synthetic material is placed in the drum, the liner having an upper lip with a threaded portion for placement interjacent the complementary threads of the top end and the side wall.

REFERENCES:
patent: 3432069 (1969-03-01), Craig
patent: 3437231 (1969-04-01), Carpenter, Jr.
patent: 3647110 (1972-03-01), Hammes
patent: 3664544 (1972-05-01), Hammes
patent: 3776408 (1973-12-01), Wald
patent: 3784039 (1974-01-01), Marco
patent: 3825145 (1974-07-01), Reynolds
patent: 3889839 (1975-06-01), Simon et al.
patent: 3915330 (1975-10-01), Hammes et al.
patent: 3927790 (1975-12-01), Chase et al.
patent: 3985257 (1976-10-01), Shaffer et al.

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