Hollow extruded plastic strips for packings

Details Hollow extruded plastic strips for packings Hollow extruded plastic strips for packings

1973-03-27

1976-01-27

Dier, Philip

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

206521, 264209, 428178, 428188, B32B 302, B32B 326, B29D 2304, B65D 8102

Patent

active

039353575

ABSTRACT:
An elongated shape or strip from which packing cases may be made is formed as a hollow section of plastic material, the secton having outer walls and inner interconnecting and strengthening walls. The general form of the section may be flat, rectangular, polygonal or triangular, and the inner and outer walls may be of differing thicknesses. Preferably the outer sides of the shape are smooth or curved, and a packing case may use several different sections, all of plastic material or some of wood or metal.

REFERENCES:
patent: 1968447 (1934-07-01), Hardesty
patent: 2674433 (1954-04-01), Mautner
patent: 2748401 (1956-06-01), Winstead
patent: 3274315 (1966-09-01), Kawamura
patent: 3509005 (1970-04-01), Hartig
patent: 3589972 (1971-06-01), Greig et al.
patent: 3664906 (1972-05-01), Hartig
patent: 3812230 (1974-05-01), Takahashi

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