JPS6233222Y2 - - Google Patents
Info
- Publication number
- JPS6233222Y2 JPS6233222Y2 JP1978059042U JP5904278U JPS6233222Y2 JP S6233222 Y2 JPS6233222 Y2 JP S6233222Y2 JP 1978059042 U JP1978059042 U JP 1978059042U JP 5904278 U JP5904278 U JP 5904278U JP S6233222 Y2 JPS6233222 Y2 JP S6233222Y2
- Authority
- JP
- Japan
- Prior art keywords
- die
- skin layer
- nipple
- tip
- crosshead
- 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
- 210000002445 nipple Anatomy 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 34
- 238000000465 moulding Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 description 22
- 239000006260 foam Substances 0.000 description 12
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003746 surface roughness 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
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
- B29C48/3366—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a die with concentric parts, e.g. rings, cylinders
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978059042U JPS6233222Y2 (zh) | 1978-04-28 | 1978-04-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978059042U JPS6233222Y2 (zh) | 1978-04-28 | 1978-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54161582U JPS54161582U (zh) | 1979-11-12 |
JPS6233222Y2 true JPS6233222Y2 (zh) | 1987-08-25 |
Family
ID=28958399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1978059042U Expired JPS6233222Y2 (zh) | 1978-04-28 | 1978-04-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6233222Y2 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6476622A (en) * | 1987-09-16 | 1989-03-22 | Hitachi Cable | Manufacture of cable |
JP5402858B2 (ja) * | 2010-07-07 | 2014-01-29 | 住友電気工業株式会社 | 自己支持型光ケーブルの被覆成形装置及び被覆成形方法 |
CN105643896B (zh) * | 2016-03-24 | 2018-06-12 | 青岛科技大学 | 短纤维增强再制造轮胎胎面挤出成型装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50149758A (zh) * | 1974-05-23 | 1975-12-01 |
-
1978
- 1978-04-28 JP JP1978059042U patent/JPS6233222Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50149758A (zh) * | 1974-05-23 | 1975-12-01 |
Also Published As
Publication number | Publication date |
---|---|
JPS54161582U (zh) | 1979-11-12 |
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