JPS649715A - Extruding crosslinking method for insulator - Google Patents

Extruding crosslinking method for insulator

Info

Publication number
JPS649715A
JPS649715A JP62164969A JP16496987A JPS649715A JP S649715 A JPS649715 A JP S649715A JP 62164969 A JP62164969 A JP 62164969A JP 16496987 A JP16496987 A JP 16496987A JP S649715 A JPS649715 A JP S649715A
Authority
JP
Japan
Prior art keywords
plastic material
extruder
crosslinking
air
extruding
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.)
Granted
Application number
JP62164969A
Other languages
Japanese (ja)
Other versions
JPH0645168B2 (en
Inventor
Isao Kaji
Mikiyuki Ono
Hirohito Oshima
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.)
Fujikura Ltd
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP62164969A priority Critical patent/JPH0645168B2/en
Publication of JPS649715A publication Critical patent/JPS649715A/en
Publication of JPH0645168B2 publication Critical patent/JPH0645168B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To prevent the lowering of the degree of crosslinking of a plastic material on extrusion molding and the generation of micro-voids due to oxygen in air by sealing an N2 gas to a supply section for the plastic material in an extruder. CONSTITUTION:A supply section (a hopper 2 and a screw section in an extruder 1) for a plastic material in the extruder 1 is formed into an airtight structure. Air in the supply section is replaced with N2 gas before staring of extrusion, and the state in which the N2 gas is sealed is brought. Air is not mixed into the molten plastic material, and the extruding crosslinking molding of an insulator in an electric wire-cable, crosslinking efficiency of which is hardly lowered and in which there are few micro-voids, or these connecting sections is attained.
JP62164969A 1987-07-01 1987-07-01 Extrusion cross-linking method for insulators Expired - Lifetime JPH0645168B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62164969A JPH0645168B2 (en) 1987-07-01 1987-07-01 Extrusion cross-linking method for insulators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62164969A JPH0645168B2 (en) 1987-07-01 1987-07-01 Extrusion cross-linking method for insulators

Publications (2)

Publication Number Publication Date
JPS649715A true JPS649715A (en) 1989-01-13
JPH0645168B2 JPH0645168B2 (en) 1994-06-15

Family

ID=15803316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62164969A Expired - Lifetime JPH0645168B2 (en) 1987-07-01 1987-07-01 Extrusion cross-linking method for insulators

Country Status (1)

Country Link
JP (1) JPH0645168B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02208017A (en) * 1989-02-08 1990-08-17 Fujikura Ltd Extrusion method
JPH0320248U (en) * 1989-07-04 1991-02-27
JPH08217510A (en) * 1995-02-20 1996-08-27 Ebara Shoji Kk Production of resin-concrete formed article and device therefor
EP0760278A1 (en) * 1995-09-01 1997-03-05 BP Chemicals Limited Process for extruding a polyethylene
US5762840A (en) * 1996-04-18 1998-06-09 Kimberly-Clark Worldwide, Inc. Process for making microporous fibers with improved properties
WO2000023249A3 (en) * 1998-10-21 2000-08-24 Devro Plc Cellulose extrusion

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102930A (en) * 1982-12-03 1984-06-14 Sumitomo Bakelite Co Ltd Molding process
JPS61229525A (en) * 1985-04-04 1986-10-13 Showa Electric Wire & Cable Co Ltd Resin supplying device for extruding machine
JPS6235825A (en) * 1985-08-09 1987-02-16 Kureha Chem Ind Co Ltd Manufacture of polyarylene thioether melt-molded material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102930A (en) * 1982-12-03 1984-06-14 Sumitomo Bakelite Co Ltd Molding process
JPS61229525A (en) * 1985-04-04 1986-10-13 Showa Electric Wire & Cable Co Ltd Resin supplying device for extruding machine
JPS6235825A (en) * 1985-08-09 1987-02-16 Kureha Chem Ind Co Ltd Manufacture of polyarylene thioether melt-molded material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02208017A (en) * 1989-02-08 1990-08-17 Fujikura Ltd Extrusion method
JPH0320248U (en) * 1989-07-04 1991-02-27
JPH08217510A (en) * 1995-02-20 1996-08-27 Ebara Shoji Kk Production of resin-concrete formed article and device therefor
EP0760278A1 (en) * 1995-09-01 1997-03-05 BP Chemicals Limited Process for extruding a polyethylene
FR2738179A1 (en) * 1995-09-01 1997-03-07 Bp Chemicals Snc PROCESS FOR EXTRUDING POLYETHYLENE
US5762840A (en) * 1996-04-18 1998-06-09 Kimberly-Clark Worldwide, Inc. Process for making microporous fibers with improved properties
WO2000023249A3 (en) * 1998-10-21 2000-08-24 Devro Plc Cellulose extrusion

Also Published As

Publication number Publication date
JPH0645168B2 (en) 1994-06-15

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