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JPS52121855A - Heat insulating tube with air space - Google Patents

Heat insulating tube with air space

Info

Publication number
JPS52121855A
JPS52121855A JP3277776A JP3277776A JPS52121855A JP S52121855 A JPS52121855 A JP S52121855A JP 3277776 A JP3277776 A JP 3277776A JP 3277776 A JP3277776 A JP 3277776A JP S52121855 A JPS52121855 A JP S52121855A
Authority
JP
Japan
Prior art keywords
air space
heat insulating
insulating tube
inner tube
tube
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP3277776A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Sato
Nobutaka Suzuki
Seishiro Ohashi
Takeshi Onodera
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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
Application filed by Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP3277776A priority Critical patent/JPS52121855A/en
Publication of JPS52121855A publication Critical patent/JPS52121855A/en
Pending legal-status Critical Current

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
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: To prevent dewing on the outer and inner tube of a heat insulating tube comprising an outer and an inner tube assembled in concentric with air space between tehm by keeping the pressure of the air space under the saturated vapor pressure at the temperature of the cooled water flowing in the inner tube.
COPYRIGHT: (C)1977,JPO&Japio
JP3277776A 1976-03-25 1976-03-25 Heat insulating tube with air space Pending JPS52121855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3277776A JPS52121855A (en) 1976-03-25 1976-03-25 Heat insulating tube with air space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3277776A JPS52121855A (en) 1976-03-25 1976-03-25 Heat insulating tube with air space

Publications (1)

Publication Number Publication Date
JPS52121855A true JPS52121855A (en) 1977-10-13

Family

ID=12368262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3277776A Pending JPS52121855A (en) 1976-03-25 1976-03-25 Heat insulating tube with air space

Country Status (1)

Country Link
JP (1) JPS52121855A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829650A (en) * 1981-08-18 1983-02-21 テイサン株式会社 Manufacture of heat insulating double pipe for low-temperature fluid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080553A (en) * 1973-11-20 1975-06-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080553A (en) * 1973-11-20 1975-06-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829650A (en) * 1981-08-18 1983-02-21 テイサン株式会社 Manufacture of heat insulating double pipe for low-temperature fluid
JPH0364757B2 (en) * 1981-08-18 1991-10-08 Teisan Kk

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