Toyo Seikan Kaisha, Ltd.

Takashi Sugisaki

Yoshitsugu Maruhashi

Setsuko Iida

Nobuhiro Kishida

Yohji Mizutani

Disclosed is a process for the preparation of a heat-resistant polyester hollow formed body, which comprises mounting a preform of a thermoplastic polyester composed mainly of ethylene terephthalate units, which is maintained at a temperature where high-speed drawing is possible but whitening can be prevented, especially at a temperature represented by the following formula:

Process for blow-molding and heat setting of polyester hollow formed body

A process for the preparation of a heat-resistant polyester hollow formed body, which comprises mounting a preform of a thermoplastic polyester composed mainly of ethylene terephthalate units, which is maintained at a temperature where high-speed drawing is possible but whitening can be prevented, especially at a temperature represented by the following formula:

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Yokohama, Japan

Takashi Sugisaki