Title:
Tube maintenance spacer
Document Type and Number:
Japanese Patent JP6235204
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a tube holding spacer capable of easily and efficiently inserting tubes into a case pipe with a simple constitution, and properly protecting the tubes.SOLUTION: A tube holding spacer 30 used in inserting tubes for collecting underground heat, into a cylindrical case pipe disposed in the ground, includes a tube holding portion 31 disposed along peripheral faces of the plurality of tubes inserted in a state that their axes are directed in the axial direction of the case pipe, while routing among the plurality of tubes, to clamp each of the plurality of tubes, or the plurality of tubes from a side opposed to each other to hold the plurality of tubes, and a plurality of spacer portions 32 projecting from an outer peripheral face of the tube holding portion 31 and formed integrally with the tube holding portion 31.
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Inventors:
Hiroaki Chikamoto
Application Number:
JP2012217874A
Publication Date:
November 22, 2017
Filing Date:
September 28, 2012
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16L3/10; F16L3/08; F24J3/08
Domestic Patent References:
| JP2009084979A | ||||
| JP10220646A | ||||
| JP2000104858A | ||||
| JP2014020644A | ||||
| JP2006234340A | ||||
| JP2002181243A |
Foreign References:
| DE102010056355A1 | ||||
| EP2056040A1 | ||||
| US4574875 | ||||
| EP1387130A1 | ||||
| CH653120A3 | ||||
| DE102007018979B3 | ||||
| US20110226911 | ||||
| US4715429 | ||||
| US20110203765 |
Attorney, Agent or Firm:
Yoshifumi Saeki
Ryuichiro Mori
Makiko Otsuki
Toyoyama Ogi
Ryuichiro Mori
Makiko Otsuki
Toyoyama Ogi
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