JPH0150581B

PURPOSE:To obtain the titled cylinder having a lining layer generating no crack nor delamination, by securing a fibrous substance to the bottom surface of the inner wall of a thermoplastic resin cylinder during extrusion and impregnating said fibrous substance with a curable inorg. substance in a fl...

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Bibliographic Details
Main Authors MOTODA TAKEHIKO, SHIMOOKA TAKASHI
Format Patent
LanguageEnglish
Published 30.10.1989
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PURPOSE:To obtain the titled cylinder having a lining layer generating no crack nor delamination, by securing a fibrous substance to the bottom surface of the inner wall of a thermoplastic resin cylinder during extrusion and impregnating said fibrous substance with a curable inorg. substance in a flowable state before curing. CONSTITUTION:A molten thermoplastic resin is extruded in a cylindrical form from the gap between an outer mold 1 and a core 2 and the fiber 7 supplied from a fiber supply port 41 is secured to the bottom surface of the inner wall of the cylinder in a semi-molten state. The fiber layer secured to the inner wall surface of the cylinder is impregnated with the inorg. substance supplied from an inorg. substance supply port 31 and the cylinder is cured in a water tank and the inorg. substance is also cured.
Bibliography:Application Number: JP19840112700