Core die for concrete filling

Core die for concrete filling

  • CN 101,413,311 A
  • Filed: 10/17/2007
  • Published: 04/22/2009
  • Est. Priority Date: 10/17/2007
  • Status: Active Application
First Claim
Patent Images

1. [claim 1] a kind of core die for concrete filling, include upper casing (1) and lower casing (2), upper casing (1) is made up of upper plate (3) and sidewall (4), lower casing (2) is made up of lower plate (5) and sidewall (4), upper casing (1) and the involutory core that connects and composes of lower casing (2), it is characterized in that upper casing (1) or/and lower casing (2) is provided with is floating draw piece (6), is that floating draw piece (6) is cemented in upper casing (1) or/and sidewall (4) or/and on the lower casing (2), and passes upper casing (1) or/and lower casing (2) exposes.

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