Collapsible tube and method of manufacture

Details Collapsible tube and method of manufacture Collapsible tube and method of manufacture

1978-04-28

1980-04-29

Keenan, Michael J.

113120H, 113120A, B21D 5136

Patent

active

042000513

ABSTRACT:
A side seamless composite type collapsible tube having a tubular nipple section, a shoulder section and a tubular barrel section for receiving an extractable content is provided. The tube sections are formed of a continuous wall of metallic material having a wall thickness from about 20 to 70.mu. with at least a portion of the tubular barrel section coated with a synthetic resinous layer of from about 50 to 500.mu. thick. A method of forming the tube from a metallic blank material is also provided.

REFERENCES:
patent: 1403460 (1922-01-01), Talty
patent: 2112085 (1938-03-01), Friden
patent: 2412813 (1946-12-01), Keller
patent: 3194428 (1965-07-01), Dereich
patent: 3655349 (1972-04-01), Shah et al.
patent: 3760751 (1973-09-01), Dunn et al.
patent: 3972702 (1976-08-01), McCormick et al.

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