发明名称 Seal for the evacuation of cooking and storage bags
摘要 A coniform body with a clamping ring is used to seal cooking and storage bags. A non-return valve with a ball lock is built in. Extraction is carried out via a plug-in mouthpiece using lung-power or a hand pump.
申请公布号 DE3329929(A1) 申请公布日期 1985.02.28
申请号 DE19833329929 申请日期 1983.08.19
申请人 KARLSEN,ERICH 发明人 KARLSEN,ERICH
分类号 B65B31/06;B65D81/20;(IPC1-7):B65B31/04 主分类号 B65B31/06
代理机构 代理人
主权项
地址