JPS6119412B2 - - Google Patents
Info
- Publication number
- JPS6119412B2 JPS6119412B2 JP52108102A JP10810277A JPS6119412B2 JP S6119412 B2 JPS6119412 B2 JP S6119412B2 JP 52108102 A JP52108102 A JP 52108102A JP 10810277 A JP10810277 A JP 10810277A JP S6119412 B2 JPS6119412 B2 JP S6119412B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- foam
- layer
- die
- flow path
- 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
- 239000011347 resin Substances 0.000 claims description 49
- 229920005989 resin Polymers 0.000 claims description 49
- 239000006260 foam Substances 0.000 claims description 34
- 239000007787 solid Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 12
- -1 polyethylene Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10810277A JPS5441971A (en) | 1977-09-08 | 1977-09-08 | Manufacture of wire foam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10810277A JPS5441971A (en) | 1977-09-08 | 1977-09-08 | Manufacture of wire foam |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5441971A JPS5441971A (en) | 1979-04-03 |
JPS6119412B2 true JPS6119412B2 (en, 2012) | 1986-05-17 |
Family
ID=14475914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10810277A Granted JPS5441971A (en) | 1977-09-08 | 1977-09-08 | Manufacture of wire foam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5441971A (en, 2012) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574932Y2 (en, 2012) * | 1979-05-28 | 1982-01-29 | ||
JPH02194922A (ja) * | 1989-01-25 | 1990-08-01 | Kanegafuchi Chem Ind Co Ltd | 押出発泡複合成形体の製造方法及び装置 |
-
1977
- 1977-09-08 JP JP10810277A patent/JPS5441971A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5441971A (en) | 1979-04-03 |
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