Packaging container with breathable leak-proof cover

Patent Name Packaging Container with Breathable Leakproof Cover Patent Applicant Luo Yi Independent Applicant Address 528222 Xiaotang Xinjing Industrial Zone, Nanhai District, Foshan City, Guangdong Province Dongxing Plastic Can Co., Ltd. Inventor Luo Yizhi Application (Patent) No. 200420095738.2 Date 2004.11.22 Certification date Approval Notice No. 2740552 Auditing announcement date 2005.11.16 Manual CD-ROM D0546 Main classification number B65D51/16 Classification number B65D51/16 Sub-item Original application number Priority item Abstract A package with a breathable leak-proof cover The container includes a container body and a cover. The cover is provided with a gas-permeable and leak-proof device. One of the air-permeable and leak-proof devices is provided with a convex groove on the bottom surface of the cover. The convex groove has at least one vent hole at the top thereof. A gas permeable membrane is placed on the inner surface of the top of the tank, and a pressure membrane is snapped into the convex groove. The top outer surface of the tank is pressed against the gas permeable membrane. The top of the membrane has an outlet hole, and the ventilation hole on the convex groove is one by one. correspond. The packaging container with the air-permeable and leak-proof cover is mainly used for packaging high-temperature liquid or volatile articles, and can still allow a large amount of gas evaporated or volatilized to be discharged out of the container in time without affecting the liquid or solid in the container. Confinedness. Sovereignty item 1. A packaging container with a breathable leak-proof cover, comprising a container body (1) and a cover (2) adapted to the opening of the container body top, wherein: the cover is provided with air Leakproof device. International Application International Publication Entering Country Date Patent Agency Foshan Yongyuxin Patent Agency Co., Ltd. Agency Address Agent Zhu Yongzhong