JPS6128558Y2 - - Google Patents

Info

Publication number
JPS6128558Y2
JPS6128558Y2 JP1981080140U JP8014081U JPS6128558Y2 JP S6128558 Y2 JPS6128558 Y2 JP S6128558Y2 JP 1981080140 U JP1981080140 U JP 1981080140U JP 8014081 U JP8014081 U JP 8014081U JP S6128558 Y2 JPS6128558 Y2 JP S6128558Y2
Authority
JP
Japan
Prior art keywords
pipe
layer
polyethylene
plastic
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.)
Expired
Application number
JP1981080140U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57190993U (de
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 filed Critical
Priority to JP1981080140U priority Critical patent/JPS6128558Y2/ja
Publication of JPS57190993U publication Critical patent/JPS57190993U/ja
Application granted granted Critical
Publication of JPS6128558Y2 publication Critical patent/JPS6128558Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
  • Thermal Insulation (AREA)
JP1981080140U 1981-05-29 1981-05-29 Expired JPS6128558Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981080140U JPS6128558Y2 (de) 1981-05-29 1981-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981080140U JPS6128558Y2 (de) 1981-05-29 1981-05-29

Publications (2)

Publication Number Publication Date
JPS57190993U JPS57190993U (de) 1982-12-03
JPS6128558Y2 true JPS6128558Y2 (de) 1986-08-23

Family

ID=29875706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981080140U Expired JPS6128558Y2 (de) 1981-05-29 1981-05-29

Country Status (1)

Country Link
JP (1) JPS6128558Y2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404940C (zh) * 2001-08-24 2008-07-23 古河电气工业株式会社 复合管

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49978A (de) * 1972-03-13 1974-01-07
JPS51131579A (en) * 1975-05-12 1976-11-16 Furukawa Electric Co Ltd Method of forming foamed plastic coating layer outside pipe body
JPS5210906A (en) * 1975-07-16 1977-01-27 Toshiba Corp Electromagnetic pump
JPS5219771A (en) * 1975-08-05 1977-02-15 Charbonnages Ste Chimique Method of acceleration of conversion of crystal of isootactic polybutene pipe and appatus thereof
JPS5461274A (en) * 1977-10-24 1979-05-17 Mitsubishi Petrochem Co Ltd Production of polyolefin laminate
JPS5514277A (en) * 1978-07-17 1980-01-31 Sumitomo Electric Industries Heattinsulating plastic pipe
JPS5528834A (en) * 1978-08-21 1980-02-29 Sekisui Chem Co Ltd Method of manufacturing heat insulating material for pipe
JPS5595539A (en) * 1979-01-12 1980-07-19 Inoue Mtp Co Ltd Manufacture of heat-insulating pipe cover with outer skin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936423Y2 (ja) * 1979-06-05 1984-10-06 日本石油化学株式会社 多層合成樹脂管

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49978A (de) * 1972-03-13 1974-01-07
JPS51131579A (en) * 1975-05-12 1976-11-16 Furukawa Electric Co Ltd Method of forming foamed plastic coating layer outside pipe body
JPS5210906A (en) * 1975-07-16 1977-01-27 Toshiba Corp Electromagnetic pump
JPS5219771A (en) * 1975-08-05 1977-02-15 Charbonnages Ste Chimique Method of acceleration of conversion of crystal of isootactic polybutene pipe and appatus thereof
JPS5461274A (en) * 1977-10-24 1979-05-17 Mitsubishi Petrochem Co Ltd Production of polyolefin laminate
JPS5514277A (en) * 1978-07-17 1980-01-31 Sumitomo Electric Industries Heattinsulating plastic pipe
JPS5528834A (en) * 1978-08-21 1980-02-29 Sekisui Chem Co Ltd Method of manufacturing heat insulating material for pipe
JPS5595539A (en) * 1979-01-12 1980-07-19 Inoue Mtp Co Ltd Manufacture of heat-insulating pipe cover with outer skin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404940C (zh) * 2001-08-24 2008-07-23 古河电气工业株式会社 复合管

Also Published As

Publication number Publication date
JPS57190993U (de) 1982-12-03

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