Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1984-08-02
1986-07-01
Crane, Daniel C.
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
220 77, 220355, 220359, 294011, 413 4, 413 7, B23K 3106
Patent
active
045975027
ABSTRACT:
A reusable industrial drum is formed by temporarily joining the periphery of the end closure to the rim of the cylindrical shell by curling to produce a spiral seam. The outermost layer of the seam, consisting of a portion of the end closure, is cut to permit the end closure element and shell to be separated and disassembled. Further processing operations may take place on the closure element and shell separately. The closure element is thereafter re-mated with the shell, a seam sealant having previously been introduced between the parts, and a locking ring such as a bolt or chime ring is placed over the reassembled seam. The locking ring surrounds the periphery of the seam to hold the seam together. After use, the drum can be readily disassembled for reprocesing and reuse by simply removing the bolt or chime ring.
REFERENCES:
patent: 2004964 (1935-06-01), Westgate et al.
patent: 2196182 (1939-02-01), Arnesen
patent: 2943386 (1960-06-01), Katz
patent: 3510932 (1970-05-01), Lammers et al.
patent: 3603476 (1969-09-01), Coppens
patent: 3734043 (1973-05-01), Rosenbloom
patent: 3922984 (1975-12-01), Zuideveld et al.
Crane Daniel C.
Jones David B.
Rheem Manufacturing Corporation
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