Mold, device and method for hooping pipe

Mold, device and method for hooping pipe

  • CN 102,172,661 A
  • Filed: 12/21/2010
  • Published: 09/07/2011
  • Est. Priority Date: 12/21/2010
  • Status: Active Application
First Claim
Patent Images

1. one kind is used to make pipe fitting to play the mould of hoop, it is characterized in that comprising:

  • Punch is the cylinder that an end has fan-shaped flange and cutting portion;

    AndDie has the annular groove corresponding to the fan-shaped flange in the described punch.

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