Thermoplastic bottle with reinforcing ribs

Details Thermoplastic bottle with reinforcing ribs Thermoplastic bottle with reinforcing ribs

1991-10-28

1993-06-08

Weaver, Sue A.

Bottles and jars

Ejecting

Siphon type

220669, 220671, B65D 102, B65D 142

Patent

active

052171280

ABSTRACT:
A relatively large water bottle is blow molded from thermoplastic material and includes a generally cylindrical body, a generally frustoconical top breast at the upper end of the body, and a filling and dispensing neck extending upwardly from the central portion of the top breast. Angularly spaced reinforcing ribs are formed on the inner side of the top breast to increase the column strength thereof. The ribs are formed as an incident to blow molding the bottle from a preform having angularly spaced external ribs on a frustoconical portion of the preform, the external ribs being converted into internal ribs during the blow molding operation.

REFERENCES:
patent: D62888 (1923-08-01), Davis, Jr. et al.
patent: D200603 (1965-03-01), Petitto
patent: D211509 (1968-06-01), Vanderhyde
patent: D262521 (1982-06-01), Frahm et al.
patent: D295499 (1988-05-01), Le Fevre
patent: 3114932 (1963-12-01), Donnelly
patent: 4024975 (1977-05-01), Uhlig
patent: 4170622 (1979-10-01), Uhlig
patent: 4620639 (1986-11-01), Yoshino
patent: 4868026 (1989-09-01), Shimizu et al.
patent: 5067622 (1991-11-01), Garver et al.

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