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Title:
FLEXIBLE PIPE PROTECTION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/026277
Kind Code:
A1
Abstract:
Provided is a flexible pipe protection structure that can easily protect even a general-purpose flexible pipe and can easily protect even a part of a pipe. The protection structure (1) according to the present invention is a structure for protecting a flexible pipe 3 in sprinkler piping (2), and comprises: a blade (4) made of metallic fibers; metal caulking covers (5) mounted inside the blade (4); and a cylindrical metal blade collar (6). The caulking covers (5) have a shape formed with halved pieces of a cylindrical member, and when fitted together, a pair of halved caulking covers (5) form a cylindrical shape. Each of the caulking covers (5) is provided with engagement protrusions (11) that protrude radially inward from the surface. Each of the caulking covers (5) is mounted to the outer circumferential surface of the flexible pipe (3), and thus the engagement protrusions (11) provided at two locations come into engagement with grooves (9) of the flexible pipe (3).

Inventors:
ISHII Makoto (LTD. UKIMA FACTORY 5-3-3 Ukima Kita-k, Tokyo 51, 〒1150051, JP)
ANDO Masaru (LTD. UKIMA FACTORY 5-3-3 Ukima Kita-k, Tokyo 51, 〒1150051, JP)
Application Number:
JP2017/028382
Publication Date:
February 07, 2019
Filing Date:
August 04, 2017
Export Citation:
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Assignee:
SHOWA RASENKAN SEISAKUSHO CO., LTD. (2-26-10, Azusawa Itabashi-k, Tokyo 51, 〒1740051, JP)
International Classes:
F16L57/00; F16L11/11
Domestic Patent References:
WO2009051141A12009-04-23
Foreign References:
JPH0567740U1993-09-10
JPS5833885U1983-03-05
JPH01109688U1989-07-25
JPH0849792A1996-02-20
JPH0536840Y21993-09-17
JP2002195478A2002-07-10
JPS62122997U1987-08-04
JPH1078191A1998-03-24
Attorney, Agent or Firm:
IP-FOCUS PATENT OFFICE (SHINJUKU SEVEN BLDG. 8F, 2-8-1 Shinjuku, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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