Plastics bottle

Details Plastics bottle Plastics bottle

1990-02-23

1991-06-18

Weaver, Sue A.

Bottles and jars

Ejecting

Siphon type

220606, B65D 102, B65D 2300

Patent

active

050243390

ABSTRACT:
A plastics bottle for carbonated drinks has a side wall (4) and a base (5) formed with a central area (8) surrounded by circumferentially spaced projecting feet (6) separated by substantially parallel-sided straps (7). The central area (8) and the straps (7) define a continuous smooth domed surface with no re-entrant portions. The ratio of the combined width of the straps (7) to the outside circumference of the base (5) is in the range from 1:5.5 to 1:6.5 and preferably 1:6. Preferably the base (5) has only seven projecting feet (6). This configuration is particularly useful with bottles of small size and enables a saving in plastics material of up to 40% by weight.

REFERENCES:
patent: 3403804 (1968-10-01), Colombo
patent: 3727783 (1973-04-01), Carmichael
patent: 3935955 (1976-02-01), Das
patent: 4249667 (1981-02-01), Pocock et al.
patent: 4285949 (1988-11-01), Kaishnakurar et al.
patent: 4294366 (1981-10-01), Chang
patent: 4318489 (1982-03-01), Snyder et al.

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