Blow molded plastic container having a reinforced wall structure

Details Blow molded plastic container having a reinforced wall structure Blow molded plastic container having a reinforced wall structure

1987-05-01

1988-11-22

Weaver, Sue A.

Bottles and jars

Ejecting

Siphon type

220 70, 220 72, 220 83, 428 35, 4285428, 428 3692, B65D 102, B65D 2300, B65D 142

Patent

active

047859482

ABSTRACT:
A plastic preform for forming blow molded plastic containers and plastic containers wherein the container has a tubular body portion adjacent a bottom portion and extending onto said bottom portion having circumferentially spaced, radially extending, continuous alterations in wall thickness. In one embodiment the container also includes at least one continuous, thickened portion at discrete locations on at least one of the inside and outside wall face adjacent the bottom structure extending completely circumferentially around the periphery thereof.

REFERENCES:
patent: 3029963 (1962-04-01), Evers
patent: 3881621 (1975-05-01), Adomaitis
patent: 4024975 (1977-05-01), Uhlig
patent: 4134510 (1979-01-01), Chang
patent: 4170622 (1979-10-01), Uhlig
patent: 4261948 (1981-04-01), Krishnakumar et al.
patent: 4334627 (1982-06-01), Krishnakumar et al.
patent: 4403706 (1983-09-01), Mahajan
patent: 4525401 (1985-06-01), Pocock et al.
patent: 4603831 (1986-08-01), Krishnakumar et al.
patent: 4620639 (1986-11-01), Yoshino

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