MY131611A - Process to increase the resistance to tearing of a heat-resettable material web - Google Patents

Process to increase the resistance to tearing of a heat-resettable material web

Info

Publication number
MY131611A
MY131611A MYPI9402428A MY131611A MY 131611 A MY131611 A MY 131611A MY PI9402428 A MYPI9402428 A MY PI9402428A MY 131611 A MY131611 A MY 131611A
Authority
MY
Malaysia
Prior art keywords
tearing
resistance
increase
heat
material web
Prior art date
Application number
Inventor
Norbert Dr Nicolai
Thomas Schwabe
Heinz Koppe
Jurgen Dr Vogel
Original Assignee
Stewing Nachrichtentechnik
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 Stewing Nachrichtentechnik filed Critical Stewing Nachrichtentechnik
Publication of MY131611A publication Critical patent/MY131611A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/243—Partially cured

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A PROCESS TO INCREASE RESISTANCE TO TEARING IN A HEATRESETTABLE MATERIAL IS DESCRIBED,FOLLOWED BY EXTRUDING A POLYMER OF A SPECIFIED CROSSLINKING DENSITY TO PRODUCE A PLASTIC WEB. AFTER COOLING THE PLACTIC WEB IS HEATED BY CREATING A TEMPERATURE DECREASING TOWARDS ITS CORE AND STRETCHED AT CORE TEMPERATURE BELOW CRYSTALLINE MELTING TEMPERATURE OF PARTIALLY CRYSTALLINE AND CRYSTALLINE POLYMERS RESULTING IN A DISTRIBUTION OF ORIENTATION OVER THE FULL SECTION OF THE PLASTIC WEB.RESISTANCE TO TEARING WILL BE ESSENTIALLY INCREASED IN THIS MANNER BASED ON A SIMPLE,LOW-COST PRODUCTION PROCESS.
MYPI9402428 1994-02-26 1994-09-14 Process to increase the resistance to tearing of a heat-resettable material web MY131611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944406406 DE4406406C2 (en) 1994-02-26 1994-02-26 Process for reducing the susceptibility to cracks in a heat-recoverable material web

Publications (1)

Publication Number Publication Date
MY131611A true MY131611A (en) 2007-08-30

Family

ID=6511352

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9402428 MY131611A (en) 1994-02-26 1994-09-14 Process to increase the resistance to tearing of a heat-resettable material web

Country Status (2)

Country Link
DE (1) DE4406406C2 (en)
MY (1) MY131611A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2719308A1 (en) * 1977-04-29 1978-11-02 Siemens Ag Crosslinking blown thermoplastics tube on leaving extruder - esp. by heating before it reaches final diameter
FI64308C (en) * 1979-06-29 1983-11-10 Wiik & Hoeglund FOER FARING FOER FRAMSTAELLNING AV KRYMPMUFFAR AV TVAERBINDANDE PLAST
DE2938721A1 (en) * 1979-09-25 1981-04-02 Paul Troester Maschinenfabrik, 3000 Hannover High=frequency curing crosslinked polymer or rubber - using partly cured granulated extrusion fed to second extruder for final curing
DE2940719A1 (en) * 1979-10-08 1981-04-09 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover METHOD FOR PRODUCING SHRINKED ARTICLES
DE3476980D1 (en) * 1983-03-23 1989-04-13 Toa Nenryo Kogyo Kk Oriented polyethylene film and method of manufacture
DE3717618A1 (en) * 1987-05-25 1988-12-08 Kabelmetal Electro Gmbh WARRESTABLE OBJECT AND METHOD FOR THE PRODUCTION THEREOF
DE3806660C2 (en) * 1988-03-02 1995-04-13 Kabelmetal Electro Gmbh Heat-recoverable sleeve for wrapping a substrate

Also Published As

Publication number Publication date
DE4406406C2 (en) 1996-10-24
DE4406406A1 (en) 1995-08-31

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