WO2009034947A1 - 管継手及びこれを用いた冷凍装置 - Google Patents

管継手及びこれを用いた冷凍装置 Download PDF

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Publication number
WO2009034947A1
WO2009034947A1 PCT/JP2008/066177 JP2008066177W WO2009034947A1 WO 2009034947 A1 WO2009034947 A1 WO 2009034947A1 JP 2008066177 W JP2008066177 W JP 2008066177W WO 2009034947 A1 WO2009034947 A1 WO 2009034947A1
Authority
WO
WIPO (PCT)
Prior art keywords
fitting body
pipe fitting
piping
same
coupling member
Prior art date
Application number
PCT/JP2008/066177
Other languages
English (en)
French (fr)
Inventor
Haruo Nakata
Takashi Shimamura
Original Assignee
Daikin Industries, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2008208011A external-priority patent/JP2009085430A/ja
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2009034947A1 publication Critical patent/WO2009034947A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/04—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/14—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered the rings being integral with one of the connecting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

　管継手は、配管Ｐ１の先端に取り付けられる継手本体１と、接続配管Ｐ２に装着されるとともに、継手本体１に結合される結合部材２とを備える。継手本体１と結合部材２との接続により両者１，２の間に非気密性の空間Ｓが形成される。継手本体１又は結合部材２に、外気と連通するリリースポート５が形成される。リリースポート５は、空間Ｓと連通する。そして、空間Ｓ内で成長する氷をリリースポート５から膨出させることにより、氷の体積膨張による力が増大することが回避される。
PCT/JP2008/066177 2007-09-11 2008-09-08 管継手及びこれを用いた冷凍装置 WO2009034947A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007235991 2007-09-11
JP2007-235991 2007-09-11
JP2008-208011 2008-08-12
JP2008208011A JP2009085430A (ja) 2007-09-11 2008-08-12 管継手及びこれを用いた冷凍装置

Publications (1)

Publication Number Publication Date
WO2009034947A1 true WO2009034947A1 (ja) 2009-03-19

Family

ID=40451955

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066177 WO2009034947A1 (ja) 2007-09-11 2008-09-08 管継手及びこれを用いた冷凍装置

Country Status (1)

Country Link
WO (1) WO2009034947A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693585U (ja) * 1979-12-20 1981-07-25
JPS57187985U (ja) * 1981-05-25 1982-11-29
JPS61188089U (ja) * 1985-05-15 1986-11-22
JP2007162742A (ja) * 2005-12-09 2007-06-28 Daikin Ind Ltd 食い込み式管継手及びこれを用いた冷凍サイクル装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693585U (ja) * 1979-12-20 1981-07-25
JPS57187985U (ja) * 1981-05-25 1982-11-29
JPS61188089U (ja) * 1985-05-15 1986-11-22
JP2007162742A (ja) * 2005-12-09 2007-06-28 Daikin Ind Ltd 食い込み式管継手及びこれを用いた冷凍サイクル装置

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