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
Application number
JP52108102A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5441971A (en
Inventor
Toshio Suzuki
Toshuki Yamagiwa
Hideo Takano
Shojiro Yamazaki
Satoshi Saito
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP10810277A priority Critical patent/JPS5441971A/ja
Publication of JPS5441971A publication Critical patent/JPS5441971A/ja
Publication of JPS6119412B2 publication Critical patent/JPS6119412B2/ja
Granted 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
    • B29C44/34—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
JP10810277A 1977-09-08 1977-09-08 Manufacture of wire foam Granted JPS5441971A (en)

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 (mo) 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 (mo)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574932Y2 (mo) * 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

Also Published As

Publication number Publication date
JPS5441971A (en) 1979-04-03

Similar Documents

Publication Publication Date Title
CA1154216A (en) Foamed perfluorocarbon resin compositions
US3400190A (en) Method and apparatus for the extrusion of multi-layer film and sheet
US4399086A (en) Process for manufacturing foamed plastic sheets
CN101821820B (zh) 高发泡同轴电缆
GB1184688A (en) Extrusion of Plastics Material.
FI65683C (fi) Metod och anordning foer foam-skin isolering av telefonkabelledare
US20140367143A1 (en) Coaxial cable
JPS6119412B2 (mo)
US4547328A (en) Method for producing foamed plastic insulator
US2835927A (en) Methods of producing cellular plastics
JP5645129B2 (ja) 高周波同軸ケーブル及びその製造方法
US4182734A (en) Method for producing foamed plastic insulated wires
EP0271990A2 (en) An insulated wire comprising a polytetrafluoroethylene coating
JPS601450Y2 (ja) 高発泡体絶縁電線の製造装置
JP3605136B2 (ja) 高発泡ポリエチレン同軸ケーブル製造方法
KR820002000B1 (ko) 고발포(高發泡) 폴리올레핀 절연전선의 제조방법
JPH065139A (ja) 高発泡体絶縁電線の製造方法
CN115101255B (zh) 一种蜂窝状发泡式双层绝缘加工工艺及其制备方法
JPS5811047B2 (ja) 高発泡ポリオレフイン絶縁電線の製造方法
JPS6110267Y2 (mo)
JPS6072114A (ja) 発泡ふっ素樹脂絶縁電線の製造方法
JPS599334B2 (ja) 管状熱可塑性合成樹脂発泡体並びにその製造方法
JPS5970526A (ja) 発泡樹脂押出成形用金型
JPH0217885B2 (mo)
JPS5842020B2 (ja) ハツポウオシダシセイケイヒンノ セイゾウホウホウ