Plastic container with hollow internal rib reinforced bottom and

Details Plastic container with hollow internal rib reinforced bottom and Plastic container with hollow internal rib reinforced bottom and

1982-06-08

1983-09-13

Price, William

Bottles and jars

Ejecting

Siphon type

220 70, 264523, 264532, 264537, 428 35, B65D 102, B65D 2300, B65D 140

Patent

active

044037066

ABSTRACT:
This relates to an improvement on a recently developed ribbed preform in a champagne type bottle bottom formed therewith including solid internal ribs. In accordance with this invention, the ribs are made hollow or tubular in the preform with the resultant ribs in the bottle bottom also being hollow. The hollow ribs of the preform serve the same purpose as the prior solid ribs in retaining the plastic material of the preform in the bottom area during the bottle formation and the hollow ribs in the resultant bottle also provide the desired added stiffness for preventing bottom eversion.

REFERENCES:
patent: 2723779 (1955-11-01), Parker et al.
patent: 3029963 (1962-04-01), Evers
patent: 3403804 (1968-10-01), Colombo
patent: 3491907 (1970-01-01), Eelkema
patent: 3743467 (1973-07-01), Lopez
patent: 3881621 (1975-05-01), Adomaitis
patent: 4108324 (1978-08-01), Krishnakumar et al.
patent: 4151249 (1979-04-01), Lee

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