发明名称 Expansion wall plug for double masonry walls
摘要 An expansion wall-plug is provided having two branches (5,6) of a wire (1) bent upon itself, an expansion stirrup-piece (2), between the branches (5,6), and an expandable socket (3). The rods (5,6) have engagement projections (11,12) against which a washer (4) is in abutment. The rear part of the socket (3) extends beyond the engagement projections (11,12). One of the branches (6) is extended beyond the other by means of a connecting portion (9) having a sealing end (10).
申请公布号 US4969786(A) 申请公布日期 1990.11.13
申请号 US19890304305 申请日期 1989.01.31
申请人 SOCIETE DE PROSPECTION ET D'INVENTIONS TECHNIQUES (S.P.I.T.) 发明人 BARTHOMEUF, JEAN-PAUL;GALLICE, DANIEL
分类号 E04G23/02;F16B13/08 主分类号 E04G23/02
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