Bottle from polyester composition and process for producing...

B - Operations – Transporting – 65 – D

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B65D 1/02 (2006.01) B29C 49/00 (2006.01) B29C 49/64 (2006.01)

Patent

CA 2171360

A bottle molded from a polyester composition comprising 97 to 99.99% by weight of a polyester and 3 o 0.01% by weight of a polyester elastomer, which bottle exhibits dimensional change ratios of not greater than 5% measured in the height direction of the bottle and also not greater than 5% measured in the wall part diameter direction of the bottle and has an overturning angle of at least 10°, when the bottle was subjected to a hot bath test in which the bottle is filled with a beverage containing 2.5 gas volume carbon dioxide at 23°C, stoppered and immersed in sealed condition in a hot bath heated at 70°C. Thus, the bottle retains self-standing property without deformation even after it is filled with a carbonated beverage and subjected to heat sterilization.

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