JPS5542820A - Manufacturing of heat-shrinkable tube with adhesive layer - Google Patents

Manufacturing of heat-shrinkable tube with adhesive layer

Info

Publication number
JPS5542820A
JPS5542820A JP11622478A JP11622478A JPS5542820A JP S5542820 A JPS5542820 A JP S5542820A JP 11622478 A JP11622478 A JP 11622478A JP 11622478 A JP11622478 A JP 11622478A JP S5542820 A JPS5542820 A JP S5542820A
Authority
JP
Japan
Prior art keywords
adhesive layer
tube
mandrel
heat
shrinkable tube
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
JP11622478A
Other languages
Japanese (ja)
Inventor
Kazutoki Takeda
Nin Sato
Yasuo Negishi
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
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP11622478A priority Critical patent/JPS5542820A/en
Publication of JPS5542820A publication Critical patent/JPS5542820A/en
Pending 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
    • 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
    • B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/485—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling cores or mandrels
    • 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
    • B29C61/02—Thermal shrinking
    • B29C61/025—Thermal shrinking for the production of hollow or tubular articles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE:To obtain the title tube, of which air-tightness at the contact surface between the covered body and the heat-shrinkable tube is high, by covering the specifically designed split-type mandrel with adhesive layer, then, with heat-shrinkable tube and make them into a unitary body by adhering. CONSTITUTION:Mandrel is formed by the split-type mandrel 1a and 1b, adhesive layer 2 of necessary thickness is covered thereon uniformly, and the heat-shrinkable tube is covered thereon by heat shrinking method. At this time, special care is taken not to allow air exist between the adhesive layer and the tube and those three are made into a unitary body. Then, by moving drive rod 1c, mandrel is pulled out by taking out 1a and 1b separately, and the thermal contaction type tube with adhesive layer is formed. By using the split type mandrel, separation of the formed tube and the mandrel is performed with ease, resulting in the highly improved workability and in the availability of product of excellent quality.
JP11622478A 1978-09-20 1978-09-20 Manufacturing of heat-shrinkable tube with adhesive layer Pending JPS5542820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11622478A JPS5542820A (en) 1978-09-20 1978-09-20 Manufacturing of heat-shrinkable tube with adhesive layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11622478A JPS5542820A (en) 1978-09-20 1978-09-20 Manufacturing of heat-shrinkable tube with adhesive layer

Publications (1)

Publication Number Publication Date
JPS5542820A true JPS5542820A (en) 1980-03-26

Family

ID=14681894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11622478A Pending JPS5542820A (en) 1978-09-20 1978-09-20 Manufacturing of heat-shrinkable tube with adhesive layer

Country Status (1)

Country Link
JP (1) JPS5542820A (en)

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