Thermoplastic drum configuration

Details Thermoplastic drum configuration Thermoplastic drum configuration

1987-08-12

1988-06-28

Pollard, Steven M.

Receptacles

Receptacle side wall made of two or more layers of material...

Beverage receptacle

220 5R, B65D 700

Patent

active

047533625

ABSTRACT:
A thermoplastic blow-molded drum employs, in place of the conventional flat circular top, or a slightly spherical or radially rounded top, a top having a cylindrical surface over most of its area. The cylindrical surface is of a relatively wide radius and based on an axis perpendicular to the drum; it permits the trouble-free use of paper labels and the like which will conform to the cylindrical surface, while also strengthening the corners of the drum chime at the ends of the cylindrical surface by permitting the parison to conform to a surface intersection having less area than that of the sharp corners of the prior art, resulting in a greater thickness and more strength.

REFERENCES:
patent: 2696323 (1954-12-01), Sanderson
patent: 4088239 (1978-05-01), Uhlig
patent: 4171751 (1979-10-01), Schutz
patent: 4500007 (1985-02-01), Stoll, III

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