Title:
THERMOPLASTIC RESIN POLYMER EXTRUDER
Document Type and Number:
Japanese Patent JPH04257416
Kind Code:
A
Abstract:
PURPOSE: To relate to an apparatus for extrusion molding a thermoplastic resin polymer to mold a tubular element having a radial thickness changing along an outer periphery.
CONSTITUTION: The extruder comprises an inner body 11 and an outer body 12 for forming a polymer channel. These bodies are connected to be axially movable relatively to each other, and formed in shapes relative to each other to alter regions of several previously set positions of the channel.
Inventors:
TEIETSUTO MARIO
Application Number:
JP24598891A
Publication Date:
September 11, 1992
Filing Date:
September 25, 1991
Export Citation:
Assignee:
ETSUSE TEI SOTSUFUIAJITSUO TEK
International Classes:
B29C48/09; B29C48/12; B29C48/13; B29C48/30; B29C48/325; B29C49/04; B29B11/10; B29C49/30; B29C49/48; B29L22/00; (IPC1-7): B29C49/30; B29B11/10; B29C47/22; B29C49/04; B29C49/48
Attorney, Agent or Firm:
Masayuki Kishida (1 person outside)