Combined water-proof bolt of construction form erecting system

Combined water-proof bolt of construction form erecting system

CN
  • CN 201,474,302 U
  • Filed: 07/20/2009
  • Issued: 05/19/2010
  • Est. Priority Date: 07/20/2009
  • Status: Active Grant
First Claim
Patent Images

1. a building formwork system fills up attaching nut (5) with combined type sealing bolt by fastening screw (3), band, and sealing up screw (7) is formed, and it is characterized in that:

  • The outer end of A, described fastening screw (3) is a thick shape screw thread (1), and outboard end is flat-square shaped (2) at the no screw thread of fastening screw (3) place, and the other end is common connecting thread (8);

    B, described sealing up screw (7) two ends are regular screw threads, are connected with fastening screw (3) by band pad attaching nut (5), plastic cement cushion block (4);

    C, described band pad attaching nut (5) are provided with alignment pin (9), and band pad attaching nut'"'"'s (5) band pad one end and plastic cement cushion block (4) veneer join.

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