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JPS56129123A - Manufacture of heat-shrinkable tube for connecting to t-shaped ramification - Google Patents

Manufacture of heat-shrinkable tube for connecting to t-shaped ramification

Info

Publication number
JPS56129123A
JPS56129123A JP3328880A JP3328880A JPS56129123A JP S56129123 A JPS56129123 A JP S56129123A JP 3328880 A JP3328880 A JP 3328880A JP 3328880 A JP3328880 A JP 3328880A JP S56129123 A JPS56129123 A JP S56129123A
Authority
JP
Japan
Prior art keywords
main body
hole
heat
shaped
original pipe
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.)
Pending
Application number
JP3328880A
Other languages
Japanese (ja)
Inventor
Hiroshi Shinba
Tetsuharu Ono
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP3328880A priority Critical patent/JPS56129123A/en
Publication of JPS56129123A publication Critical patent/JPS56129123A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/1806—Heat shrinkable sleeves
    • H02G15/1813—Wraparound or slotted sleeves
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/10—Making preforms having internal stresses, e.g. plastic memory by bending plates or sheets

Landscapes

  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE:To manufacture various kinds of the heat-shrinkable tubes for connecting to the T-shaped ramification simply by a method wherein a main body part of an original pipe is inflated along the whole length of the pipe and a hole is provided at the side surface thereof while an end of the ramificating part is bonded at the part of this hole by heating and fusion-bonding it. CONSTITUTION:The original pipe 1 for the main body part and the original pipe 2 for the ramificating part are formed by extrusion and are crosslinked by utilizing polyorefin material, thereafter, the original pipe 1 for the main body is inflated along the whole length thereof and the hole is provided at the side surface thereof. The original pipe 2 for the ramificating part is inflated in accordance with necessity and the end part thereof is heated and bonded by fusion to the part of the hole at the side surface of the main body part to integralize it. According to this method, various sizes of the pipes for the main body part and the ramificated part can be combined in various combinations, therefore, plenty of products of the heat-shrinkable tubes for connecting to the T-shaped ramifications may be manufactured.
JP3328880A 1980-03-14 1980-03-14 Manufacture of heat-shrinkable tube for connecting to t-shaped ramification Pending JPS56129123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3328880A JPS56129123A (en) 1980-03-14 1980-03-14 Manufacture of heat-shrinkable tube for connecting to t-shaped ramification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3328880A JPS56129123A (en) 1980-03-14 1980-03-14 Manufacture of heat-shrinkable tube for connecting to t-shaped ramification

Publications (1)

Publication Number Publication Date
JPS56129123A true JPS56129123A (en) 1981-10-09

Family

ID=12382341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3328880A Pending JPS56129123A (en) 1980-03-14 1980-03-14 Manufacture of heat-shrinkable tube for connecting to t-shaped ramification

Country Status (1)

Country Link
JP (1) JPS56129123A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60102915U (en) * 1983-12-20 1985-07-13 西日本電線株式会社 heat shrinkable sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60102915U (en) * 1983-12-20 1985-07-13 西日本電線株式会社 heat shrinkable sheet

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