Title:
POSITIONING TOOL FOR DOUBLE PIPE
Document Type and Number:
Japanese Patent JP2015055285
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a positioning tool for double pipe capable of realizing its light weight and performing its easy attaching and removal at an optional location of a real pipe.SOLUTION: This invention relates to a double pipe having a real pipe 2 with round section and a protection pipe 3 with round section forming a space around the real pipe 2 to cover it in which a part of a ring having a certain width in a radial direction as seen in its top plan view has a substantial C-shape, a first arc 13 with a short radius of curvature is abutted against an outside part of a side circumferential surface of the real pipe 2, a second arc 14 with a long radius of curvature is abutted against an inside part of a side circumferential surface of the protection pipe 3, a central angle of the first arc 13 exceeds 180 degrees and a center of the round section of the real pipe 2 and a center of the round section of the protection pipe 3 can be coincided to each other.
Inventors:
SAKAI YASUHIRO
Application Number:
JP2013188563A
Publication Date:
March 23, 2015
Filing Date:
September 11, 2013
Export Citation:
Assignee:
OTAKE KASEI KK
International Classes:
F16L9/18; F16L39/00
Domestic Patent References:
| JP2004108568A | 2004-04-08 |
Foreign References:
| US5018260A | 1991-05-28 |
Attorney, Agent or Firm:
Miyata Right path
Tomofumi Mizuno
Tomofumi Mizuno