Title:
SEBUM WHITENING-RESISTANT HEATING CONTAINER AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2005186311
Kind Code:
A
Abstract:
To provide a sebum whitening-resistant heating container excellent in solvent crack resistance, causing no whitening even if steam sterilization is repeated using a microwave oven in a sebum adhering state and suitable for medicines or food.
In a manufacturing method of an alicyclic structure-containing polymer resin container, a preform is obtained by injection-molding an alicyclic structure-containing polymer resin by a heating pot held to 400-700°C and a heating core held to 200-350°C and heated to start blow molding in a state that the outer surface temperature of the body part of the preform is 180°C or above and a temperature difference between the mouth part and body part of the inner surface of the preform is 60°C or below.
Inventors:
YONEDA YASUHIRO
OGAWA NORIHIRO
TADA MITSURU
OGAWA NORIHIRO
TADA MITSURU
Application Number:
JP2003427366A
Publication Date:
July 14, 2005
Filing Date:
December 24, 2003
Export Citation:
Assignee:
NIPPON ZEON CO
International Classes:
B65D1/00; A61J1/05; A61J9/00; B29C49/06; B29C49/68; B65D1/09; B29K45/00; B29L22/00; (IPC1-7): B29C49/68; A61J1/05; A61J9/00; B29C49/06; B65D1/09