Hollow member for concrete

Hollow member for concrete

  • CN 1,782,248 A
  • Filed: 07/11/2003
  • Published: 06/07/2006
  • Est. Priority Date: 07/11/2003
  • Status: Active Application
First Claim
Patent Images

1. , a kind of hollow component used for concrete, comprise hollow die shell (1), it is characterized in that at least two hollow die shells (1) alternately, constitute Cast-in-place concrete internal-rib die cavity (2) between the opposite face of hollow die shell (1), at least one spacer draw piece (3) of the alternate binding all-in-one-piece of hollow die shell (1) with relative or adjacent surface is arranged, the parallel or X-shaped intersection of upper and lower the spacer draw piece (3) in the same vertical plane in the internal-rib die cavity (2).

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