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
Links
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229920001083 polybutene Polymers 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 11
- 230000004927 fusion Effects 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004706 High-density cross-linked polyethylene Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229920004932 high density cross-linked polyethylene Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981080140U JPS6128558Y2 (pt) | 1981-05-29 | 1981-05-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981080140U JPS6128558Y2 (pt) | 1981-05-29 | 1981-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57190993U JPS57190993U (pt) | 1982-12-03 |
JPS6128558Y2 true JPS6128558Y2 (pt) | 1986-08-23 |
Family
ID=29875706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981080140U Expired JPS6128558Y2 (pt) | 1981-05-29 | 1981-05-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6128558Y2 (pt) |
Cited By (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49978A (pt) * | 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)
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 |
-
1981
- 1981-05-29 JP JP1981080140U patent/JPS6128558Y2/ja not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49978A (pt) * | 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)
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 (pt) | 1982-12-03 |
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