Method of making a metallic container overlaid with plastic

Details Method of making a metallic container overlaid with plastic Method of making a metallic container overlaid with plastic

1975-11-03

1978-03-14

Keenan, Michael J.

113120H, 113120XY, 113120Z, B21D 5116

Patent

active

040785084

ABSTRACT:
A metallic container having a cylindrical body is overlaid with an outer layer of thermoplastic material which has a suitable thickness and sectional shape, and it is used as a pressure-proof container such as a spray container. The metallic container is manufactured by forming a plastic layer on the outside of the body part of a metallic cylinder, necking the part of the container from a shoulder portion to an upper-end opening portion, forming a plastic layer on the outside of the necked part, and curling the upper end of the container.

REFERENCES:
patent: 2216830 (1940-10-01), Roberts
patent: 2377393 (1945-06-01), Wiley
patent: 2981984 (1961-05-01), Orr
patent: 3037652 (1962-06-01), Wallace
patent: 3070253 (1962-12-01), Brown
patent: 3663259 (1972-05-01), Barriere
patent: 3787157 (1974-01-01), Valyi
patent: 3797431 (1974-03-01), Yoshimura

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