Saturated polyester resin bottle

Details Saturated polyester resin bottle Saturated polyester resin bottle

1987-07-27

1988-06-07

Norton, Donald F.

Bottles and jars

Ejecting

Siphon type

B65D 102

Patent

active

047490926

ABSTRACT:
The present invention relates to a saturated polyester resin bottle made thin by biaxial orientation and comprising a trunk portion formed to have a regular polygonal cross section consisting of a plurality of generally upright flat sides separated by vertically oriented ribs. When the interior of the bottle is subjected to a vacuum, the flat sides uniformly warp radially inwardly to accommodate the vacuum without detracting from the appearance of the bottle.

REFERENCES:
patent: D29032 (1898-07-01), Schies
patent: D142746 (1945-10-01), Stackpole
patent: D218284 (1970-08-01), Du Pree
patent: D238552 (1976-01-01), Edwards
patent: 3184524 (1965-05-01), Whiteford
patent: 3643829 (1972-02-01), Lachner
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 3923178 (1975-12-01), Welker
patent: 4233022 (1980-11-01), Brady et al.

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