Title:
PRODUCTION OF POLYAMIDE RESIN MOLDED OBJECT
Document Type and Number:
Japanese Patent JP3734623
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To supply a polyamide molded object containing no residual air bubbles therein regardless of a size and a shape, generating no unevenness on the outer surface thereof and containing an additive such as a filler or a reinforcing material in a uniformly dispersed state when the additive is added.
SOLUTION: A method for producing a polyamide resin molded object by polymerizing molten lactam in a mold is characterized by polymerizing and molding lactam in the mold while successively advancing the solidification of the polymer in the mold from the lower part of the mold to the upper part thereof by adjusting the injection speed of lactam into the mold or while successively developing the temp. rise by the polymn. heating of the polymer in the mold from the lower part of the mold to the upper part thereof.
Inventors:
Genji Abe
Application Number:
JP19687898A
Publication Date:
January 11, 2006
Filing Date:
July 13, 1998
Export Citation:
Assignee:
Japan Polypenco Co., Ltd.
International Classes:
B29C39/02; C08J5/00; B29C39/00; B29C39/24; B29K77/00; (IPC1-7): B29C39/00; C08J5/00; //B29K77:00
Domestic Patent References:
| JP9029766A | ||||
| JP10337736A | ||||
| JP11029636A |
Attorney, Agent or Firm:
Shisei Patent Office
Kumi Kondo
Hajime Hasegawa
Sumiko Matsuda
Kumi Kondo
Hajime Hasegawa
Sumiko Matsuda
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