|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||428/35 ; 215/1C|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 130 인용 특허 : 5|
A collapse resistant polyester container is provided for hot fill applications employing product fill temperatures up to about 190°F. (87.8°C.) or more. The container has at least one region which is thermoelastically deformable inwardly after the container is hot filled and sealed to offset the pressure forces which tend to collapse the container as the contents cool and create an internal vacuum. The thermoelastic region is preferably formed in a two step molding process in which the region is formed and heat set at a first position and then reformed o...
A collapse-resistant, molecularly oriented, heat set polyester container having at least one preselected inwardly thermoelastically deformable region for at least partially relieving negative pressure tending to collapse the container when hot filled, sealed and the contents allowed to cool.