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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/203.15 ; 220/203.02 ; 220/203.11 ; 220/373|
|§371/§102 date||19960930 (19960930)|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 24 인용 특허 : 0|
A safety valve device for packages of products to be cooked, cooled, reheated, or degassed and a package that includes such a safety valve. The valve includes a peripheral portion attached to the package support and a movable flap with an end portion connected to the peripheral portion to form a hinge portion exerting a resilient return force determined by bending slots shaped so that the end portion retains a certain degree of rigidity and has a sensitive shape memory function, enabling it to be opened by gas pressure and dynamically closed upon cooling...
[ We claim:] [1.] A safety valve for packages of products to be cooked, cooled, reheated, or degassed, said safety valve comprising:a peripheral portion to be affixed to a package support of a container;a flap defined by slots extending within said peripheral portion, said flap having an end portion connected to said peripheral portion;said flap having a projection extending in a direction to be adapted to be housed in a cavity of the package support, said projection having a plurality of additional projections extending in said direction to be adapted t...