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Title:
SYNTHETIC RESIN-MADE CORRUGATED PIPE HAVING PLAIN END PART AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH08267601
Kind Code:
A
Abstract:

PURPOSE: To obtain a synthetic resin-made corrugated pipe with a plain end part having superior cut-off properties and a good connecting workability.

CONSTITUTION: A synthetic resin-made corrugated pipe is so structured as to have a plain inner peripheral surface 1 and a recessed and projected corrugation on an outer peripheral surface, on which recessed parts 2 and projected parts 3 having hollow parts 4 are alternately formed. On either or both of end parts of the pipe, a flat same-outer diameter periphery 6 having a thickness at least higher than the projected part 2 and a length at least one pitch, pref. two or more pitches, of the recessed and projected corrugation from the end and a plain end face 7 orthogonally connected to the same-outer diameter periphery 6 are formed out of a thermosetting resin 5 composed of a reactive curable filler.


Inventors:
HORIUCHI YOSHIYASU
Application Number:
JP9622295A
Publication Date:
October 15, 1996
Filing Date:
March 29, 1995
Export Citation:
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Assignee:
TONEN SEKIYUKAGAKU KK
International Classes:
F16L15/00; B29C39/10; B29C39/28; B29C57/00; B29D23/18; B29K101/10; B29L23/18; (IPC1-7): B29D23/18; B29C39/10; B29C39/28; B29C57/00
Attorney, Agent or Firm:
Kuhei Kubota