Thin wall pipe for concrete packing

Thin wall pipe for concrete packing

CN
  • CN 1,609,364 A
  • Filed: 10/21/2003
  • Published: 04/27/2005
  • Est. Priority Date: 10/21/2003
  • Status: Active Application
First Claim
Patent Images

1. , a kind of light-wall conduit for concrete filling, comprise hollow body (1), stiffener (2), plug (3), stiffener (2) is arranged in the cavity of hollow body (1), plug (3) is enclosed in the two ends of hollow body (1), contain reinforce (4) in hollow body (1), stiffener (2), the plug (3) at least one, it is characterized in that being provided with at least one overlapping layers (5) at least one of hollow body (1) or stiffener (2) or plug (3).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×