发明名称 ENVIRONMENTAL SEALING
摘要 A warning whistle that is activated by over-inflation of an inflatable duct seal. The warning whistle is preferably used in conjunction with an inflation tool (20) with an outlet tube (9) which may be connected to an inflatable duct seal. The tool (20) carries a pressure release valve (21) at an outlet of which the whistle (14) of the invention is attached.
申请公布号 CA2174664(A1) 申请公布日期 1995.05.11
申请号 CA19942174664 申请日期 1994.11.02
申请人 N.V. RAYCHEM S.A. 发明人 WAMBEKE, ALAIN;ROOSEN, DIRK;KEUSTERMANS, ERIK
分类号 F16K17/04;F16K37/00;H02G15/013;(IPC1-7):G01F1/00 主分类号 F16K17/04
代理机构 代理人
主权项
地址