Title:
PRODUCTION OF THERMOPLASTIC RESIN FORM AND UNIT THEREFOR
Document Type and Number:
Japanese Patent JPS5436373
Kind Code:
A
Abstract:
PURPOSE: In-flation films of thermoplastic resin resisting highly inner-surfaceblocking and impact are produced by blowing cool air to the inner surface of the expanding tube from a group of nozzles that are rotating along around the inner surface of the tube.
Inventors:
NAGASAWA TOSHIO
MATSUMURA TAKENOBU
SASAKI HIROSHIGE
MATSUMURA TAKENOBU
SASAKI HIROSHIGE
Application Number:
JP10173777A
Publication Date:
March 17, 1979
Filing Date:
August 26, 1977
Export Citation:
Assignee:
UBE INDUSTRIES
International Classes:
B29C49/00; B29C48/10; B29C55/00; B29C55/28; (IPC1-7): B29D7/02