JPS56123828A - Manufacturing method for polypropylene film for electrical appliances - Google Patents

Manufacturing method for polypropylene film for electrical appliances

Info

Publication number
JPS56123828A
JPS56123828A JP2837380A JP2837380A JPS56123828A JP S56123828 A JPS56123828 A JP S56123828A JP 2837380 A JP2837380 A JP 2837380A JP 2837380 A JP2837380 A JP 2837380A JP S56123828 A JPS56123828 A JP S56123828A
Authority
JP
Japan
Prior art keywords
temperature
cooling
cooling mandrel
tubelike
orientation
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
JP2837380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6344534B2 (cs
Inventor
Nobuaki Nishikawa
Mamoru Mochizuki
Ichiro Sakurai
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP2837380A priority Critical patent/JPS56123828A/ja
Publication of JPS56123828A publication Critical patent/JPS56123828A/ja
Publication of JPS6344534B2 publication Critical patent/JPS6344534B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Organic Insulating Materials (AREA)
JP2837380A 1980-03-06 1980-03-06 Manufacturing method for polypropylene film for electrical appliances Granted JPS56123828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2837380A JPS56123828A (en) 1980-03-06 1980-03-06 Manufacturing method for polypropylene film for electrical appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2837380A JPS56123828A (en) 1980-03-06 1980-03-06 Manufacturing method for polypropylene film for electrical appliances

Publications (2)

Publication Number Publication Date
JPS56123828A true JPS56123828A (en) 1981-09-29
JPS6344534B2 JPS6344534B2 (cs) 1988-09-06

Family

ID=12246818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2837380A Granted JPS56123828A (en) 1980-03-06 1980-03-06 Manufacturing method for polypropylene film for electrical appliances

Country Status (1)

Country Link
JP (1) JPS56123828A (cs)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5163500A (cs) * 1974-11-29 1976-06-01 Mitsubishi Rayon Co
JPS5235272A (en) * 1975-09-16 1977-03-17 Mitsubishi Rayon Co Method of manufacturing translucent polypropylene elongation film
JPS52139176A (en) * 1976-05-17 1977-11-19 Mitsubishi Rayon Co Method of manufacturing poly propylene films for electric use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5163500A (cs) * 1974-11-29 1976-06-01 Mitsubishi Rayon Co
JPS5235272A (en) * 1975-09-16 1977-03-17 Mitsubishi Rayon Co Method of manufacturing translucent polypropylene elongation film
JPS52139176A (en) * 1976-05-17 1977-11-19 Mitsubishi Rayon Co Method of manufacturing poly propylene films for electric use

Also Published As

Publication number Publication date
JPS6344534B2 (cs) 1988-09-06

Similar Documents

Publication Publication Date Title
US3086242A (en) Process and apparatus for producing materials having plastic memory
IL32461A (en) Method for forming plastic tubing
US2760228A (en) Manufacture of tubular insulators for electric conductors
SE8501212D0 (sv) Sett vid tillverkning av vermeisolerat ror
DE2965436D1 (en) Manufacture of extruded products
FR2357041A1 (fr) Procede de fabrication d'un fil electrique isole du genre fil emaille par extrusion
ES2009167A6 (es) Procedimiento y dispositivo para envolver continuamente perfiles macizos o huecos con una camisa de material sintetico, y productos asi obtenidos.
KR880003732A (ko) 전기용접이 가능한 열가소성 관부재의 제조방법 및 제조장치
GB1024954A (en) Method for the manufacture of pipes from thermoplastic material
US4803027A (en) Process for the production of biaxially stretched films and apparatus for implementation of the process
US5197319A (en) Extrusion apparatus for sheathing a temperature sensitive core material
JPS56123828A (en) Manufacturing method for polypropylene film for electrical appliances
JPS5471163A (en) Production of polyhexamethylene adipamide film
US2708771A (en) Extrusion apparatus
US2520991A (en) Method of making low-loss delay lines
AU8213287A (en) Process and apparatus for manufacturing a composite article of constant section comprising a core and an outer cover and composite article resulting therefrom
US4150082A (en) Process for extruding polymer materials for high voltage cables
US3537927A (en) Bonding of insulated wires to form electrical cables
GB1105830A (en) Improvements in tubular articles of helically-wound strip and the manufacture thereof
JPH0258093B2 (cs)
GB1568409A (en) Method of forming extruded thermoplastics conduit around electrical cable
SU1030862A1 (ru) Способ нанесени ребристого покрыти на длинномерные издели
US1770969A (en) Method of and apparatus for sheathing cores
GB1207555A (en) Manufacture of insulated conductors
FR2456373A1 (fr) Conducteur electrique en forme de profile creux