Self-standing polyester containers for carbonated beverages

Details Self-standing polyester containers for carbonated beverages Self-standing polyester containers for carbonated beverages

B - Operations, Transporting

65

D

B65D 1/46 (2006.01) B29C 49/18 (2006.01) B65D 1/02 (2006.01)

Patent

CA 2143038

The invention provides a blow molded two liter carbonated beverage bottle (1 ) weighing under 50 grams and having a unique petaloid base (7) and an ability to be self-standing on a support surface. The base comprises a petaloid design which has a plurality of at least three (preferably five) feet 9. Between each adjacent pair of feet is a radially extending valley (12) the width of which decreases with increasing radial distance from the longitudinal axis of the bottle toward a point of convergence (14) radially outside the bottle's diameter. The valley floor generally follows the hemispherical base shape and opens to an extended portion (13) of that base shape lying radially outwardly of the feet. The valley and extended portion, on initial pressurization of the bottle, cause deformation of the extended portions outwardly with a resulting raising of the center of the base away from the support surface.

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