Aluminum Jar,PP Cream Jar,PET Cream Jar Zhenghao Plastic Packaging Co., Ltd. , http://www.jessro-plastic.com
[Sovereign Items] 1. A disposable valve (1) mounted on a package 2, particularly on a food package, the contents of the food package being heated in a microwave oven (3), and the valve (1) configured to become It can be opened correspondingly with the action of the overpressure generated during the heating of the package (2) in the package (2). The valve is characterized in that it comprises an opening (4) formed in the package (2). An adhesive layer (5) is applied on top of said opening (4), said valve (1) being arranged to emit an acoustic signal when it is subjected to said pressure load.
Disposable check valve for food packaging
ã€Abstracts】 The present invention relates to a disposable valve (1) mounted on a package (2). This package (2), especially a food package, is capable of heating food in a microwave oven (3) when packaged. When the food in the package (2) is subjected to excessive pressure due to heat, the valve (1) will automatically open accordingly, and the opening (4) on the package (2) of the valve (1) and the top of the opening (4) are adhered. The diaphragm (5) consists of a valve (1) which is also used to emit a sound signal due to the above pressure load.