JPS5248153A - Manufacturing process of heat-insulating pipe with guard pipe - Google Patents

Manufacturing process of heat-insulating pipe with guard pipe

Info

Publication number
JPS5248153A
JPS5248153A JP50122885A JP12288575A JPS5248153A JP S5248153 A JPS5248153 A JP S5248153A JP 50122885 A JP50122885 A JP 50122885A JP 12288575 A JP12288575 A JP 12288575A JP S5248153 A JPS5248153 A JP S5248153A
Authority
JP
Japan
Prior art keywords
pipe
heat
manufacturing process
guard
insulating
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.)
Granted
Application number
JP50122885A
Other languages
Japanese (ja)
Other versions
JPS5848336B2 (en
Inventor
Saburo Ayusawa
Mitsuo Tanaka
Fumihiro Hirano
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP50122885A priority Critical patent/JPS5848336B2/en
Publication of JPS5248153A publication Critical patent/JPS5248153A/en
Publication of JPS5848336B2 publication Critical patent/JPS5848336B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B29L2023/225—Insulated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: A process to produce a foam layer and an outer pipe around an inner pipe in one continuous body, devised to separate a foaming and hardening process from a covering process of outside body for independent control of temperature in heating and cooling adjusted to each process.
COPYRIGHT: (C)1977,JPO&Japio
JP50122885A 1975-10-14 1975-10-14 Hogokan oyuusuruhoon Kanno seizouhouhou Expired JPS5848336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50122885A JPS5848336B2 (en) 1975-10-14 1975-10-14 Hogokan oyuusuruhoon Kanno seizouhouhou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50122885A JPS5848336B2 (en) 1975-10-14 1975-10-14 Hogokan oyuusuruhoon Kanno seizouhouhou

Publications (2)

Publication Number Publication Date
JPS5248153A true JPS5248153A (en) 1977-04-16
JPS5848336B2 JPS5848336B2 (en) 1983-10-27

Family

ID=14847036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50122885A Expired JPS5848336B2 (en) 1975-10-14 1975-10-14 Hogokan oyuusuruhoon Kanno seizouhouhou

Country Status (1)

Country Link
JP (1) JPS5848336B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835935A (en) * 1971-09-09 1973-05-26
JPS49124163A (en) * 1973-03-20 1974-11-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835935A (en) * 1971-09-09 1973-05-26
JPS49124163A (en) * 1973-03-20 1974-11-27

Also Published As

Publication number Publication date
JPS5848336B2 (en) 1983-10-27

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