DE2141475A1 - PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES - Google Patents

PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Info

Publication number
DE2141475A1
DE2141475A1 DE2141475A DE2141475A DE2141475A1 DE 2141475 A1 DE2141475 A1 DE 2141475A1 DE 2141475 A DE2141475 A DE 2141475A DE 2141475 A DE2141475 A DE 2141475A DE 2141475 A1 DE2141475 A1 DE 2141475A1
Authority
DE
Germany
Prior art keywords
band
outer jacket
sound insulated
tube
copolymer
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.)
Ceased
Application number
DE2141475A
Other languages
German (de)
Inventor
Bernd Eilhardt
Fritz Dr Rer Nat Glander
Otto Uhlmann
Gerhard Dr Ing Ziemek
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.)
KM Kabelmetal AG
Original Assignee
KM Kabelmetal AG
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 KM Kabelmetal AG filed Critical KM Kabelmetal AG
Priority to DE2141475A priority Critical patent/DE2141475A1/en
Priority to CH890972A priority patent/CH543034A/en
Priority to AR242625A priority patent/AR217782A1/en
Priority to IT50953/72A priority patent/IT1045063B/en
Priority to NLAANVRAGE7208432,A priority patent/NL174232C/en
Priority to AT534872A priority patent/AT333559B/en
Priority to BE785257A priority patent/BE785257R/en
Priority to JP47063127A priority patent/JPS4829857A/ja
Priority to FR7227568A priority patent/FR2144518A6/fr
Priority to GB3801772A priority patent/GB1339119A/en
Priority to DK406872A priority patent/DK144636C/en
Publication of DE2141475A1 publication Critical patent/DE2141475A1/en
Priority to JP57058929A priority patent/JPS5810224B2/en
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/143—Pre-insulated pipes
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B29C48/152—Coating hollow articles the inner surfaces thereof
    • B29C48/153—Coating both inner and outer surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Molding Of Porous Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Adhesive Tapes (AREA)

Description

2HH752HH75

Kabel-und. Metallwerke 1-1159Cable and. Metalworks 1-1159

Gutehoffnungshütte Aktiengesellschaft 17. 8. 1971Gutehoffnungshütte Aktiengesellschaft August 17, 1971

Verfahren zur Herstellung wärme- und schallisolierter Leitungsrohre
Zusatz zu Patent (Patentanmeldung P 19 60 932) Process for the production of heat and sound insulated conduits
Addendum to patent (patent application P 19 60 932)

Das Hauptpaptent betrifft ein Verfahren zur Herstellung wärme- und schallisolierter Leitungsrohre, bestehend aus einem Metallrohr, vorzugsweise aus Kupfer, einer Schaumstoffisolierung und einem Außenmantel, bei dem auf das Metallrohr eine Abstandshalterwendel, vorzugsweise aus Papier, aufgebracht wird, um die Abstandshalterwendel ein längseinlaufendes Band zum Schlitzrohr geformt wird, in das noch offene Schlitzrohr ein selbstschäumender Kunststoff eingebracht wird und anschließend die Bandkanten miteinander verbunden werden.The main patent concerns a process for the production of heat and sound-insulated conduit pipes, consisting of a metal pipe, preferably made of copper, a foam insulation and an outer jacket, in which a spacer coil, preferably made of paper, is applied to the metal tube is formed around the spacer coil a longitudinal band to the slotted tube, in the still open slotted tube a self-foaming plastic is introduced and then the tape edges are connected to one another.

Nach einer besonders günstigen Weiterbildung dieses Patentes wird auf das Band nach dem Aushärten der Schaumstoffschicht ein Außenmantel aus einem Copolymer aufextrudiert.According to a particularly favorable further development of this patent, the foam layer is applied to the tape after the hardening an outer jacket made of a copolymer is extruded on.

Der wesentliche Vorteil der Erfindung ist darin zu sehen, daß die aufextrudierte Copolymerschicht mit dem Band innig verklebt, so daß sich das so hergestellte Rohr bereitwillig biegen läßt, ohne daß bei Verwendung eines flexiblen Schaumes das bisher als Außenmantel verwendete Band einknickt, was unter Umständen zu einer Beschädigung des Außenmantels führen könnte. Es ist somit gelungen, große Längen eines derartigen Leitungsrohres zu Ringbunden zu wickeln.The main advantage of the invention is to be seen in that the coextruded copolymer layer is intimate with the tape glued, so that the pipe produced in this way can readily be bent without the use of a flexible foam the tape previously used as the outer jacket buckles, which may damage the outer jacket could lead. It has thus been possible to wind large lengths of such a conduit pipe into coils.

Die Erfindung ist an Hand des in der Figur schematisch dargestallten Ausführungsbeispiels näher erläutert. Um ein Kupferrohr 1 ist zum Zweck der Wärme- oder Schallisolierung eine Schicht 12 aus einem flexiblen Polyurethanschaum aufgebracht. ALs Form für den Schaumstoff dient während des Auf-The invention is explained in more detail with reference to the embodiment shown schematically in the figure. A layer 12 made of a flexible polyurethane foam is applied around a copper pipe 1 for the purpose of heat or sound insulation. The form for the foam is used during assembly

309809/0074309809/0074

-2- 2 H 1475-2- 2 H 1475

Schäumens ein Band 7 bzw. eine Folie. Als vorteilhaft haben sich Folien aus Polyvinylchlorid erwiesen, es können aber auch dünne Metallfolien verwendet werden. Auf dieses Band 7 wird nach dem Aushärten der Schaumstoffschicht 12 ein Mantel 13 aus einem für die Verklebung geeigneten Copolymer des Äthylens oder eines Copolymers auf der Basis von Vinylchlorid aufextrudiert. Dieser Mantel 13 verklebt auf Grund seines chemischen Aufbaus atfe Innigste mit dem Band 7» so daß das Leitungsrohr leicht gebogen werden kann, ohne daß das Band 7 einknickt. Mit 4 ist eine Abstandshalterwendel, beispielsweise aus Polyurethan, bezeichnet, die das Band 7 auf gleichen Abstand zum Kupferrohr 1 hält. Da ein flexibler Schaumstoff nicht lichtbeständig ist, kann es von Vorteil sein, das Band 7 oder die Copolymerschicht 13 in bekannter Weise lichtundurchlässig zu machen, beispielsweise durch Pigmentierung des Copolymers oder durch nachträgliches Aufbringen einer lichtundurchlässigen Lackschicht. Foaming a tape 7 or a film. Films made of polyvinyl chloride have proven to be advantageous, but they can thin metal foils can also be used. After curing, the foam layer 12 is applied to this tape 7 Jacket 13 made of a copolymer of ethylene suitable for bonding or a copolymer based on it extruded from vinyl chloride. This jacket 13 is glued Because of its chemical structure, feel most intimate with him Band 7 »so that the conduit can be bent easily without the band 7 buckling. With 4 is a spacer coil, for example made of polyurethane, which keeps the band 7 at the same distance from the copper pipe 1. Since a flexible foam is not lightfast, it can be advantageous to use the tape 7 or the copolymer layer 13 to make opaque in a known manner, for example by pigmenting the copolymer or by subsequently applying an opaque lacquer layer.

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Claims (1)

2UH752UH75 Kabel- und Metailwerke 1-1159Cable and metal works 1-1159 Gutehofffnungshütte Aktiengesellschaft 17, 8, 1971Gutehofffnungshütte Aktiengesellschaft 17, 8, 1971 PatentansprücheClaims Verfahren zur Herstellung wärme- und schallisolierter Leitungsrohre, bestehend aus einem Metallrohr, vorzugsweise aus Kupfer, einer Schaumstoffisolierung und einem Außenmantel, bei dem auf das Metallrohr eine Abstandshalterwendel aufgebracht wird, um die Abstandshalterwendel ein längseinlaufendes Band zum Schlitzrohr geformt wird, in das noch offene Schlitzrohr ein selbstschäumender Kunststoff eingebracht wird und anschließend die Bandkanten dicht miteinander verbunden werden nach Patent ,....,-,.., (Patentanmeldung P 19 60 932), dadurch gekennzeichnet, daß auf das Band (7) nach dem Aushärten der Schaumstoffschicht (12) ein Außenmantel (13) aus einem Copolymer aufextrudiert wird,Process for the production of heat and sound insulated Line pipes, consisting of a metal pipe, preferably made of copper, foam insulation and an outer jacket with a spacer coil on the metal tube is applied to the spacer helix formed a longitudinal band to the slotted tube a self-foaming plastic is introduced into the open slot tube and then the band edges are tightly connected to each other according to patent, ...., -, .., (patent application P 19 60 932), characterized in that on the band (7) after Curing of the foam layer (12) an outer jacket (13) made of a copolymer is extruded on, 3 0 9.8 0 9 /00 7 U 3 0 9.8 0 9/00 7 U L e e r s e i t eL e r s e i t e
DE2141475A 1969-12-04 1971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES Ceased DE2141475A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DE2141475A DE2141475A1 (en) 1971-08-19 1971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES
CH890972A CH543034A (en) 1969-12-04 1972-06-14 Heat and sound insulating conduits
AR242625A AR217782A1 (en) 1971-08-19 1972-06-16 PROCEDURE FOR THE MANUFACTURE OF INSULATED CONDUCTIVE TUBES AGAINST HEAT AND NOISE
IT50953/72A IT1045063B (en) 1971-08-19 1972-06-16 PROCEDURE FOR THE PRODUCTION OF THERMALLY INSULATED AND SOUNDPROOFED PIPES
NLAANVRAGE7208432,A NL174232C (en) 1971-08-19 1972-06-20 METHOD FOR MANUFACTURING A HEAT AND SOUND INSULATED PIPE
AT534872A AT333559B (en) 1971-08-19 1972-06-21 PROCESS FOR MANUFACTURING WARM AND SOUND INSULATED PIPES
BE785257A BE785257R (en) 1971-08-19 1972-06-22 PROCESS FOR MANUFACTURING THERMALLY INSULATED DUCTS AND
JP47063127A JPS4829857A (en) 1971-08-19 1972-06-23
FR7227568A FR2144518A6 (en) 1971-08-19 1972-07-31
GB3801772A GB1339119A (en) 1971-08-19 1972-08-15 Method of producing thermally and acoustically insulated pipes
DK406872A DK144636C (en) 1971-08-19 1972-08-17 PROCEDURE FOR THE MANUFACTURE OF HEAT AND SOUND INSULATED WIRING BEARS
JP57058929A JPS5810224B2 (en) 1971-08-19 1982-04-08 Manufacturing method for heat-insulating and sound-insulating pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2141475A DE2141475A1 (en) 1971-08-19 1971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Publications (1)

Publication Number Publication Date
DE2141475A1 true DE2141475A1 (en) 1973-03-01

Family

ID=5817119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2141475A Ceased DE2141475A1 (en) 1969-12-04 1971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Country Status (10)

Country Link
JP (2) JPS4829857A (en)
AR (1) AR217782A1 (en)
AT (1) AT333559B (en)
BE (1) BE785257R (en)
DE (1) DE2141475A1 (en)
DK (1) DK144636C (en)
FR (1) FR2144518A6 (en)
GB (1) GB1339119A (en)
IT (1) IT1045063B (en)
NL (1) NL174232C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2506426A1 (en) * 1981-05-25 1982-11-26 Kabel Metallwerke Ghh PROCESS FOR THE MANUFACTURE OF A THERMALLY INSULATED CONDUCTIVE TUBE
DE3120719A1 (en) * 1981-05-25 1982-12-09 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Process for producing a heat-insulated conduit pipe
FR2542060A1 (en) * 1983-03-05 1984-09-07 Kabelmetal Electro Gmbh ISOLATED HEAT CONDUCTIVE PIPE AND METHOD FOR MANUFACTURING THE SAME
FR2589981A1 (en) * 1985-08-23 1987-05-15 Marquet & Cie Noel Continuous development of cellular insulation and sheathing for pipes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1071401B (en) * 1980-04-24 1985-04-10 Zema S R L PROCEDURE FOR THE COVERING OF METAL TUBES WITH CLOSURE AND PLASTIC FILM, MACHINE TO IMPLEMENT THE PROCEDURE AND PRODUCT OBTAINED
JPS59172158A (en) * 1983-03-18 1984-09-28 Hitachi Maxell Ltd Magnetic recording medium
DE3506144A1 (en) * 1985-02-22 1986-08-28 kabelmetal electro GmbH, 3000 Hannover Process for producing a heat-insulated line pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2506426A1 (en) * 1981-05-25 1982-11-26 Kabel Metallwerke Ghh PROCESS FOR THE MANUFACTURE OF A THERMALLY INSULATED CONDUCTIVE TUBE
DE3120719A1 (en) * 1981-05-25 1982-12-09 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Process for producing a heat-insulated conduit pipe
FR2542060A1 (en) * 1983-03-05 1984-09-07 Kabelmetal Electro Gmbh ISOLATED HEAT CONDUCTIVE PIPE AND METHOD FOR MANUFACTURING THE SAME
FR2589981A1 (en) * 1985-08-23 1987-05-15 Marquet & Cie Noel Continuous development of cellular insulation and sheathing for pipes

Also Published As

Publication number Publication date
GB1339119A (en) 1973-11-28
IT1045063B (en) 1980-05-10
JPS4829857A (en) 1973-04-20
NL174232C (en) 1984-05-16
JPS5810224B2 (en) 1983-02-24
AR217782A1 (en) 1980-04-30
DK144636C (en) 1982-09-27
AT333559B (en) 1976-11-25
DK144636B (en) 1982-04-26
NL174232B (en) 1983-12-16
BE785257R (en) 1972-10-16
ATA534872A (en) 1976-03-15
NL7208432A (en) 1973-02-21
FR2144518A6 (en) 1973-02-09
JPS57185128A (en) 1982-11-15

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Legal Events

Date Code Title Description
OD Request for examination
8178 Suspension cancelled
8131 Rejection