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Priority claimed from JP61163467Aexternal-prioritypatent/JPS6319225A/en
Priority claimed from JP61164226Aexternal-prioritypatent/JPS6319226A/en
Priority claimed from JP61165930Aexternal-prioritypatent/JPS6321128A/en
Application filed by Nippon Telegraph & TelephonefiledCriticalNippon Telegraph & Telephone
Publication of MY102870ApublicationCriticalpatent/MY102870A/en
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
Abstract
AN APPARATUS FOR CONTINUOUSLY PRODUCING A HEAT-SHRINKABLE CROSSLINKED RESIN TUBE FROM A CROSSLINKABLE RESIN IS PROVIDED, COMPRISING IN SUCCESSIVE CONNECTION, AN EXTRUDER HEAD FOR EXTRUDING THE RESIN INTO A HOLLOW TUBE, A FLUID UNDER PRESSURE BEING INTRODUCED INTO THE INTERIOR OF THE TUBE BEING EXTRUDED, A CROSSLINKING CYLINDER DISPOSED DOWNSTREAM OF THE HEAD FOR HEATING THE TUBULAR RESIN FOR CROSSLINKING, AN FLARE DIE DISPOSED DOWNSTREAM THEREOF FOR ALLOWING THE TUBE TO EXPAND UNDER THE FLUID PRESSURE, A COOLING CYLINDER DISPOSED DOWNSTREAM THEREOF FOR COOLING THE TUBE, A GUIDE FOR DEFORMING THE TUBE INTO A FLATTENED FORM, AND ROLLERS FOR PRESSING AND DRAWING THE TUBE AWAY FROM THE EXTRUDER HEAD, WHEREIN A SMOOTH INTERIOR SURFACE FREE OF A SUBSTANTIAL GAP OR STEP EXTENDS CONTINUOUSLY FROM THE CROSSLINKING CYLINDER TO THE COOLING CYLINDER.
MYPI87000982A1986-07-111987-07-11Apparatus for continuously producing heat-shrinkable crosslinked resin tube.
MY102870A
(en)
PROCEDURE, APPARATUS AND EXTRACTIVE TOOL USED BY EXTRUSION OF ELECTRIC WOVEN PIPE MOLDS AND ELECTROWAVABLE FITTINGS OF THERMOPLASTIC USING A FIRST PIPE PART I
Corrugated extruded thermoplastic tubing with internal wire core - is produced by pressing tubing against endless belts of moulding tools using compressed air, and simultaneously inserting wire