Title:
MANUFACTURE OF BIAXIALLY DRAWN BOTTLES
Document Type and Number:
Japanese Patent JPS5422466
Kind Code:
A
Abstract:
PURPOSE: To mold biaxially drawn bottles having improved dimensional and theremal stability, by blow molding a parison comprising a polyester consisting mainly of ethylene terephthalate units with an intrinsic viscosity ≥ 0.5 at specific temperature, drawing speed, and ratio.
Inventors:
OKUDAIRA TADASHI
HAMA YOSHIHISA
TSUBOI AKIO
HAMA YOSHIHISA
TSUBOI AKIO
Application Number:
JP1888477A
Publication Date:
February 20, 1979
Filing Date:
February 22, 1977
Export Citation:
Assignee:
TOYO BOSEKI
International Classes:
B29C49/00; B29C65/00; B29C49/02; B29C49/08; B29C49/58; B29C49/64; (IPC1-7): B29D23/03