Composite plastic container

Details Composite plastic container Composite plastic container

1976-08-30

1978-03-21

Norton, Donald F.

Bottles and jars

Ejecting

Siphon type

220 73, 220465, B65D 2302

Patent

active

040798518

ABSTRACT:
Composite plastic containers and method for making the same in which a preformed sleeve is caused to expand with a plastic layer in the course of an injection blow molding operation and to adhere, upon expansion, to said plastic layer due to atmospheric pressure acting on the inside of said sleeve without an opposing pressure on the outside thereof.

REFERENCES:
patent: 2781551 (1957-02-01), Richerod
patent: 3140004 (1964-07-01), Schaich
patent: 3144167 (1964-08-01), Schultz
patent: 3247550 (1966-04-01), Haines
patent: 3409710 (1968-11-01), Klygis
patent: 3869056 (1975-03-01), Valyi

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