Polyester resin container and molding process thereof

Polyester resin container and molding process thereof

  • CN 102,275,293 A
  • Filed: 06/15/2006
  • Published: 12/14/2011
  • Est. Priority Date: 06/29/2005
  • Status: Active Application
First Claim
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1. the forming method of a container made of polyester resin, described forming method is twice blow molding method with following operation, promptly, preformed member (11) is implemented the Biaxially stretched blow-molded first blow molding operation that makes it be shaped to first middle moulding product (21), being somebody'"'"'s turn to do first middle moulding product (21) with heating makes it force to shrink the operation that is shaped to the middle moulding product of secondary (31), with make it be shaped to the secondary blow molding operation of container to moulding product (31) enforcement blow molding in the middle of this secondary, it is characterized by, the metal pattern temperature in the described secondary blow molding is the temperature above 215 ℃

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