Title:
RECEIVING PORT MOLDING METHOD OF RIBBED PIPE
Document Type and Number:
Japanese Patent JP2007290286
Kind Code:
A
Abstract:
To certainly raise the neck part of the receiving port of a ribbed pipe so as not to form a gap to the connection part of the ribbed pipe.
The ribbed pipe 10 made of a thermoplastic resin is fixed to be heated and softened at its end part while a shaping mold 2 is inserted in the end part of the ribbed pipe 10 and, after the diameter expanding part 21 thereof is diametrically expanded to form a receiving port part 102, the shaping mold 2 is advanced toward the ribbed pipe 10 while the diameter expanding part 21 is diametrically expanded to raise the neck part 104 of the receiving port.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
TSUCHIKAWA HISASHI
Application Number:
JP2006122327A
Publication Date:
November 08, 2007
Filing Date:
April 26, 2006
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
B29C57/04
Attorney, Agent or Firm:
Yoshiro Kurauchi