发明名称 PIPE COUPLING AND FEMALE PIPE COUPLING MEMBER
摘要 A pipe coupling including a female pipe coupling member (3) and a male pipe coupling member (5). The female pipe coupling member (3) includes a female member body (11), a locking element hole (13), a locking element (15), and an outer cylindrical member (17) for preventing the locking element from being dislodged from the locking element hole (13). The male pipe coupling member (5) includes a male member body (21), a displacement preventing portion (23), an engaging groove (25), and a sleeve (27). A sleeve receiving portion (19) is formed between an outer peripheral surface (12) of the female member body (11) and the outer cylindrical member (17). The sleeve receiving portion (19) has a jam preventing portion (20) on the radially outer side of an opening edge (13b) of the locking element hole opening at the outer peripheral surface (12) of the female member body (11), whereby the locking element pushed by the sleeve (27) is prevented from being jammed between the opening edge (13b) and the sleeve.
申请公布号 US2010201123(A1) 申请公布日期 2010.08.12
申请号 US20080679994 申请日期 2008.09.26
申请人 KITAGAWA HIROYUKI 发明人 KITAGAWA HIROYUKI
分类号 F16L37/23;F16L37/30 主分类号 F16L37/23
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