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Title:
METHOD FOR MANUFACTURING BOTTLE COMPOSED MAINLY OF POLYETHYLENE TEREPHTHALATE RESIN
Document Type and Number:
Japanese Patent JP2003039538
Kind Code:
A
Abstract:

To provide a method for manufacturing a container or a bottle which is heat-resistant and exhibits superb shaping properties.

This method for manufacturing a bottle composed mainly of a polyethylene terephthalate resin comprises the steps to blow-mold and biaxially stretch a preform composed mainly of a polyethylene terephthalate resin, using a molding tool and thereby obtain a molded intermediate product and heat the molded intermediate product so that it heat-shrinks and thus obtain a formed intermediate product and further, blow-form the formed intermediate product, using a forming tool. After a fluid is blown into the formed intermediate product to inflate it in the blow-forming process, the fluid is further blown into the formed intermediate product to circulate the fluid so that it is cooled.


Inventors:
YAGUCHI HIROMI
ISHIZUKA TOMOHIKO
UESUGI DAISUKE
Application Number:
JP2001231900A
Publication Date:
February 13, 2003
Filing Date:
July 31, 2001
Export Citation:
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Assignee:
YOSHINO KOGYOSHO CO LTD
International Classes:
B29C49/66; B29C49/08; B29C49/18; B29C49/58; B29C49/64; B29C49/06; B29C49/22; B29K67/00; B29L22/00; (IPC1-7): B29C49/66; B29C49/08; B29C49/58; B29C49/64
Domestic Patent References:
JPH07304088A1995-11-21
JPH0272929A1990-03-13
JPH11227034A1999-08-24
Attorney, Agent or Firm:
Rikichi Ichikawa (2 outside)



 
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