DE4140273A1 - Waermesensible oberflaechenbeschichtung fuer waermeschrumpffaehige produkte, insbesondere schrumpfmanschetten fuer kabelmuffen - Google Patents

Waermesensible oberflaechenbeschichtung fuer waermeschrumpffaehige produkte, insbesondere schrumpfmanschetten fuer kabelmuffen

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Publication number
DE4140273A1
DE4140273A1 DE4140273A DE4140273A DE4140273A1 DE 4140273 A1 DE4140273 A1 DE 4140273A1 DE 4140273 A DE4140273 A DE 4140273A DE 4140273 A DE4140273 A DE 4140273A DE 4140273 A1 DE4140273 A1 DE 4140273A1
Authority
DE
Germany
Prior art keywords
heat
coating
shrink
coating material
sleeve
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
DE4140273A
Other languages
English (en)
Other versions
DE4140273C2 (de
Inventor
Heinz 4620 Castrop Rauxel De Koppe
Norbert Dr. 4270 Dorsten De Nicolai
Winfried 5800 Hagen De Stupp
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.)
STEWING NACHRICHTENTECHNIK GMBH & CO KG BERLIN, 13
Original Assignee
Stewing & Co KG Werk Berlin 1000 Berlin De GmbH
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 & Co KG Werk Berlin 1000 Berlin De GmbH filed Critical Stewing & Co KG Werk Berlin 1000 Berlin De GmbH
Priority to DE4140273A priority Critical patent/DE4140273C2/de
Priority to US07/984,923 priority patent/US5413790A/en
Publication of DE4140273A1 publication Critical patent/DE4140273A1/de
Application granted granted Critical
Publication of DE4140273C2 publication Critical patent/DE4140273C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • B29C61/0666Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms comprising means indicating that the shrinking temperature is reached
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/106Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined using flames coming in contact with at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412Infrared [IR] radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/18Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/1806Heat shrinkable sleeves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7371General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73711General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable oriented
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7371General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73711General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable oriented
    • B29C66/73712General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable oriented mono-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7371General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73711General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable oriented
    • B29C66/73713General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable oriented bi-axially or multi-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7371General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73715General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable heat-shrinkable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91218Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods using colour change, e.g. using separate colour indicators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/768Protective equipment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S174/00Electricity: conductors and insulators
    • Y10S174/08Shrinkable tubes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/91Product with molecular orientation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31909Next to second addition polymer from unsaturated monomers

Description

Die Erfindung betrifft eine wärmesensible Oberflächenbe­ schichtung für wärmeschrumpffähige Produkte, insbes. Schrumpfmanschetten aus thermoplastischem Kunststoff für Kabelmuffen, zum Anzeigen einer optimalen Schrumpftempera­ tur.
Für wärmeschrumpffähige Produkte und insbes. Kunststoff­ produkte, welche infolge einer thermischen Erweichung und anschließenden Verfestigung zur Abdichtung von zu um­ schließenden Gegenständen dienen, ist die Temperaturfüh­ rung von besonderer Bedeutung. Das gilt vor allem dann, wenn solche wärmeschrumpfenden Produkte eine Kleber-Innen­ schicht aufweisen. Bei zu geringer Temperatur schmilzt die Kleber-Innenschicht nicht auf, so daß eine Abdichtung nicht gewährleistet ist. Da ein hinreichendes Verkleben nicht stattfindet, sind die umschlossenen Gegenstände nicht aus­ reichend abgedichtet. Bei zu hoher Temperatur kann es zur Beschädigung der Kleber-Innenschicht und sogar des wärme­ schrumpffähigen Produktes kommen. - Um diese Nachteile zu vermeiden, ist das Aufbringen von Thermocolourfarben be­ kannt geworden, die entsprechende Temperaturen durch einen Farbumschlag anzeigen (vgl. US 38 16 335, US 41 05 583, GB 15 11 053, GB 20 38 478). Jedoch können die bekannten Anstrichmittel keine andere Funktion übernehmen.
Der Erfindung liegt die Aufgabe zugrunde, eine wärmesensible Oberflächenbeschichtung der eingangs beschriebenen Aus­ führungsform zu schaffen, die nicht nur das Erreichen einer bestimmten Temperatur anzeigt, sondern darüber hinaus infolge einer nachfolgenden Verfestigung zusätzliche Funktionen wie Schutz vor Nagern, Insekten oder Mikroben übernimmt.
Zur Lösung dieser Aufgabe ist die wärmesensible Oberflä­ chenbeschichtung gekennzeichnet durch ein thermomorphes Beschichtungsmaterial aus Kunststoff, welches unter Bil­ dung eines innigen Verbundes auf die Manschettenoberfläche ggf. unter Verwendung eines Haftvermittlers bzw. eines wärmestabilen Klebers aufgebracht wird. Das Beschichtungs­ material kann aus einem typenreinen Kunststoff oder Co- bzw. Terpolymere oder einer Polymermischung bestehen. Neben der Vielfalt der Temperaturen, die durch unterschiedliche Kunststoffe bzw. Kunststoffmischungen erreicht werden, kann eine feine Gradunterteilung durch eine geeignete Wahl der Molekularmassen erreicht werden. Jedenfalls wird im Rahmen der Erfindung durch Änderung der Form, der Oberflä­ chenstruktur, der Durchsichtigkeit, Brillanz oder derglei­ chen hinsichtlich des Beschichtungsmaterials das Erreichen einer bestimmten Temperatur angezeigt. Vorzugsweise sind in das Beschichtungsmaterial kurze Glasfasern und/oder Insektizide eingebracht, so daß das Beschichtungsmaterial nach dem Verfestigen zugleich Schutzfunktionen übernimmt, beispielsweise Schutz gegen Nager, Insekten oder Mikroben gewährleistet.
Weiter sieht die Erfindung vor, daß das Beschichtungs­ material
  • - gleichmäßig durchgehend bzw. ununterbrochen oder
  • - in punktförmiger, wellenförmiger oder streifenförmiger Verteilung oder
  • - in vorgegebenen geometrischen Mustern oder
  • - an ausgewählten Stellen aufgebracht wird.
Ferner besteht die Möglichkeit, daß die Oberfläche des Beschichtungsmaterials als glatte oder profilierte Ober­ fläche ausgebildet ist. Die Schichtdicke des Beschichtungs­ materials beträgt bei glatter Oberfläche zweckmäßigerweise 0,01-0,5 mm und bei profilierter Oberfläche 0,2-1 mm.
Nach einer bevorzugten Ausführungsform der Erfindung ist das Beschichtungsmaterial als Deckfolie bzw. Kunststoffolie ausgebildet. Die Deckfolie kann entweder isotrop oder mit einer vorgegebenen Vororientierung, z. B. mit uniaxialer oder biaxialer Vororientierung aufgebracht werden.
Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher er­ läutert. Die einzige Figur zeigt eine Schrumpfmanschette 1 mit Beschichtungsmaterial 2 aus Kunststoff.
Auf die Schrumpfmanschette 1, welche durch eine Oberflächen­ behandlung wie Aufrauhen, Beflammen, Korona oder dergleichen beklebbar gemacht worden ist, ist streifenförmiges Be­ schichtungsmaterial 2 aus Kunststoff senkrecht zur Schrumpf­ richtung und in einem Abstand von ca. 2 mm im Wege einer Schmelzbeschichtung aufgebracht worden. Die Dicke der streifenförmigen Kunststoffbeschichtung 2 bzw. Kunststoff­ streifen beträgt ca. 0,3 mm. Als Kunststoff ist ein Poly­ amid 4,6 verwendet worden, welches einen Kristallitschmelz­ punkt von 290°C besitzt. Dieser Kunststoff ist mit 5% Kurzglasfasern 3 gefüllt, die lediglich angedeutet sind.
Ein Kleber 4 auf der Innenseite der Schrumpfmanschette 1 wird bei einer Oberflächentemperatur von ca. 290°C akti­ viert, und die Schrumpfmanschette 1 schrumpft.
Die gewünschte und erforderliche Schrumpftemperatur ist erreicht, wenn das Beschichtungsmaterial 2 zu fließen be­ ginnt. Nach dem Aufschmelzen des streifenförmigen Be­ schichtungsmaterials 2 entsteht eine nahezu durchgehende Deckschicht, wobei die "Kunststoffstreifenschicht" an der für Nagerfraß gefährdetsten Stelle - an der dünnsten Stel­ le - am dichtesten ist und dort einen besonderen Schutz darstellt.

Claims (9)

1. Wärmesensible Oberflächenbeschichtung für wärmeschrumpf­ fähige Produkte, insbes. Schrumpfmanschetten aus thermo­ plastischem Kunststoff für Kabelmuffen, zum Anzeigen einer optimalen Schrumpftemperatur, gekennzeichnet durch ein thermomorphes Beschichtungsmaterial (2) aus Kunststoff, welches unter Bildung eines innigen Verbundes auf die Manschettenoberfläche aufbringbar ist.
2. Oberflächenbeschichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß das Beschichtungsmaterial (2) aus einem typenreinen Kunststoff oder Co- bzw. Terpolymer oder einer Polymermischung besteht.
3. Oberflächenbeschichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß in das Beschichtungsmaterial (2) kurze Glasfasern (3) und/oder Insektizide eingebracht sind.
4. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Beschichtungsmaterial (2)
  • - gleichmäßig durchgehend bzw. ununterbrochen oder
  • - in punktförmiger, fleckenförmiger oder streifenförmiger Verteilung oder
  • - in vorgegebenen geometrischen Mustern oder
  • - an ausgewählten Stellen aufgebracht ist.
5. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Oberfläche des Be­ schichtungsmaterials (2) als glatte oder profilierte Ober­ fläche ausgebildet ist.
6. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Schichtdicke des Be­ schichtungsmaterials (2) bei glatter Oberfläche 0,01-0,5 mm und bei profilierter Oberfläche 0,2-1 mm beträgt.
7. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Beschichtungsmaterial (2) als Deckfolie bzw. Kunststoffolie ausgebildet ist.
8. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Deckfolie isotrop oder mit einer vorgegebenen Vororientierung, z. B. mit uniaxialer oder biaxialer Vororientierung aufgebracht ist.
9. Oberflächenbeschichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Beschichtungsmaterial (2) unter Erzeugung einer Adhäsivverbindung auf die Man­ schettenoberfläche aufgebracht ist.
DE4140273A 1991-12-06 1991-12-06 Wärmesensible Oberflächenbeschichtung für wärmeschrumpffähige Produkte, insbesondere Schrumpfmanschetten aus thermoplastischem Kunststoff für Kabelmuffen Expired - Fee Related DE4140273C2 (de)

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US07/984,923 US5413790A (en) 1991-12-06 1992-12-03 Heat-shrinkable materials, especially for cable splices and junctions

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