Composite, pressure-resistant drum type container

Details Composite, pressure-resistant drum type container Composite, pressure-resistant drum type container

1994-07-20

1997-01-28

Moy, Joseph M.

Receptacles

Receptacle having flexible, removable inner liner

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

220601, 220610, 220622, 220623, 220628, 220630, 220639, B65D 700

Patent

active

055970850

ABSTRACT:
A composite, drum type container for storing and dispensing corrosive fluids comprises an inner plastic liner of polyethylene and an outer plastic shell. The end walls of the outer shell are substantially dome-shaped to add strength to the container, and the top end wall is further reinforced by an inclined offset wall, ribs, and inwardly protruding portions of the sidewall, to prevent deformation. A separate pressure plate adds to the strength of the dome-shaped bottom end wall. A recess or well in the bottom end wall and pressure plate allows complete removal of the contents of the container.

REFERENCES:
patent: 3501047 (1970-03-01), Raabe
patent: 3501055 (1970-03-01), Jurion et al.
patent: 3724712 (1973-04-01), Starr et al.
patent: 4635814 (1987-01-01), Jones
patent: 4767021 (1988-08-01), Pies
patent: 4793491 (1988-12-01), Wolf et al.
patent: 4840284 (1989-06-01), Snyder
patent: 5014873 (1991-05-01), Clemens et al.
patent: 5110000 (1992-05-01), Nichols
patent: 5169024 (1992-12-01), Rinkewich
patent: 5217142 (1993-06-01), Schutz
patent: 5273159 (1993-12-01), Gregerson
Admitted Prior Art FIG. 1.
Admitted Prior Art FIG. 2.

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