FLANGE STRUCTURE OF LINING PIPE AND FORMING METHOD THEREFOR

Title:

FLANGE STRUCTURE OF LINING PIPE AND FORMING METHOD THEREFOR

Document Type and Number:

Japanese Patent JPH0755074

Kind Code:

A

Abstract:

PURPOSE: To prevent a lining layer from being separated by inwardly bending a stub end outer peripheral end of a lining pipe.

CONSTITUTION: In a flange structure of a lining pipe 3 wherein the pipe end of the lining pipe 3 wherein synthetic resin 2 is lined on the inner surface of a metallic pipe 1 is pressed and extended in the outer peripheral direction, and a stub end 4 is constituted, so as to attach a loose flange 6, an outer peripheral end 5 of the stub end 4 is inwardly folded so as to pinch the lining layer 2.

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Inventors:

WATANABE MITSUHIRO
KAGOSHIMA EIICHI
OONUMA HIROMI

Application Number:

JP19724393A

Publication Date:

March 03, 1995

Filing Date:

August 09, 1993

Export Citation:

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Assignee:

SEKISUI CHEMICAL CO LTD

International Classes:

B21D19/08; B29C57/00; F16L23/024; F16L23/026; F16L23/028; (IPC1-7): F16L23/026; B21D19/08; F16L23/024; F16L23/028

Next Patent: FLANGE RING ATTACHABLE TO THIN-WALLED METAL PIPE AND ITS FIXING METHOD