Title:
CABLE PROTECTING PIPE
Document Type and Number:
Japanese Patent JP2006198855
Kind Code:
A
Abstract:
To provide a manufacturing method of a sheath pipe which can be continuously molded without providing a joint and protects a cable of which the outer periphery has a spiral shape uniform in thickness.
The synthetic resin such as polypropylene or polyethylene extruded from the gap between the nozzle 6 and die 7 of an extruder 3 is sucked to a mold 8 by vacuum and the mold is rotated at the same time to continuously mold the sheath pipe of which the outer periphery has a spiral shape uniform in wall thickness.
Inventors:
SASAKI HIROYOSHI
Application Number:
JP2005012277A
Publication Date:
August 03, 2006
Filing Date:
January 20, 2005
Export Citation:
Assignee:
TOYO KAKO KK
ASABA SEISAKUSHO KK
NM KIKAKU KK
ASABA SEISAKUSHO KK
NM KIKAKU KK
International Classes:
B29C48/32; B29D23/18; H02G9/06; B29K23/00; B29L23/00