Title:
【発明の名称】プラスチック・パイプ
Document Type and Number:
Japanese Patent JPH10512656
Kind Code:
A
Abstract:
A plastics pipe which comprises an inner core and an outer protective layer, in which
the dimensions of the pipe and the protective layer are such that the ratio of the external diameter of the pipe to the thickness of the protective layer is at least 70, preferably at least 100, and
the cohesive strength of the outer protective layer, excluding any lines of weakness, at least at the ends of the pipe is greater than the strength of the adhesive bond between the outer protective layer and the inner core.
Inventors:
Harget, david, charles
Anderson, Michael
Horso, Eino, Matthias
Yarvenkyra, lily, yacco
Anderson, Michael
Horso, Eino, Matthias
Yarvenkyra, lily, yacco
Application Number:
JP52204996A
Publication Date:
December 02, 1998
Filing Date:
January 17, 1996
Export Citation:
Assignee:
Uponol Limited
International Classes:
B29C48/09; B29C48/16; B29C48/23; B29C65/00; B29D23/00; F16L9/12; F16L9/133; F16L11/04; B29C57/00; B29C65/34; (IPC1-7): F16L9/12; F16L11/04
Attorney, Agent or Firm:
Yoshikazu Tani (1 person outside)