Double wall extrusion for container covers

Details Double wall extrusion for container covers Double wall extrusion for container covers

1990-05-15

1991-09-24

Garbe, Stephen P.

Receptacles

Closures

220 15, 220315, B65D 4300, B65D 4500

Patent

active

050507613

ABSTRACT:
A shipping container cover structure is described which comprises side and end wall elements welded at corresponding first and second ends into a rectangular configuration, each of the end and side elements comprising a substantially hollow extruded wall structure including parallel spaced inner and outer walls, side walls substantially closing a space between the inner and outer walls and at least one web interconnecting the inner and outer walls intermediate the side walls and extending along the length of the inner and outer walls for providing structrual support to the inner and outer walls, and a top plate attached to the rectangular configuration along corresponding first sides of the end and side elements.

REFERENCES:
patent: 2086747 (1937-07-01), Stetson
patent: 2764314 (1956-09-01), Mautner

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