Title:
MANUFACTURE OF PLASTIC BOARD
Document Type and Number:
Japanese Patent JPH068327
Kind Code:
A
Abstract:
PURPOSE: To obtain continuously a thick-walled plastic board with fine moldability and good productivity.
CONSTITUTION: Two or more plastic sheets 6 are extruded from an extruder 3, and the surfaces thereof are melted, and thereafter they are superimposed to be subjected to press-bonding formation, thereby manufacturing a thick-walled plastic board 8.
Inventors:
TSURUKI MITSUHIRO
YOKOYAMA MASARU
KISHIMOTO TAKASHI
SEI MIKIO
MAEDA FUTOSHI
SUGAWARA AKIRA
YOKOYAMA MASARU
KISHIMOTO TAKASHI
SEI MIKIO
MAEDA FUTOSHI
SUGAWARA AKIRA
Application Number:
JP16802192A
Publication Date:
January 18, 1994
Filing Date:
June 25, 1992
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
B29C48/345; B29C65/02; B29L7/00; (IPC1-7): B29C65/02; B29C47/30
Attorney, Agent or Firm:
Takehiko Matsumoto