METHOD AND EQUIPMENT FOR MANUFACTURING INTERNAL AND EXTERNAL LINING PIPES

PROBLEM TO BE SOLVED: To provide a method and equipment for manufacturing internal and external lining pipes which can facilitate manufacture of a combined article of internal and external synthetic resin pipes and a metal pipe and enable reduction of the cost and improvement of productivity. SOLUTI...

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Bibliographic Details
Main Author KAWAMURA SHUHEI
Format Patent
LanguageEnglish
Published 14.05.2002
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PIPES
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To provide a method and equipment for manufacturing internal and external lining pipes which can facilitate manufacture of a combined article of internal and external synthetic resin pipes and a metal pipe and enable reduction of the cost and improvement of productivity. SOLUTION: An internal covering pipe 12 covering the inner surface of the metal pipe 11 is inserted through an external covering pipe 13 covering the outer surface of the metal pipe 11 and the two covering pipes are disposed concentrically. In this state, the metal pipe 11 is inserted between the two covering pipes 12 and 13 and then heat treatment is executed.
Bibliography:Application Number: JP20000334466