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

PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Info

Publication number
DE2141475A1
DE2141475A1DE2141475ADE2141475ADE2141475A1DE 2141475 A1DE2141475 A1DE 2141475A1DE 2141475 ADE2141475 ADE 2141475ADE 2141475 ADE2141475 ADE 2141475ADE 2141475 A1DE2141475 A1DE 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 AGfiledCriticalKM Kabelmetal AG
Priority to DE2141475ApriorityCriticalpatent/DE2141475A1/en
Priority to CH890972Aprioritypatent/CH543034A/en
Priority to IT50953/72Aprioritypatent/IT1045063B/en
Priority to AR242625Aprioritypatent/AR217782A1/en
Priority to NLAANVRAGE7208432,Aprioritypatent/NL174232C/en
Priority to AT534872Aprioritypatent/AT333559B/en
Priority to BE785257Aprioritypatent/BE785257R/en
Priority to JP47063127Aprioritypatent/JPS4829857A/ja
Priority to FR7227568Aprioritypatent/FR2144518A6/fr
Priority to GB3801772Aprioritypatent/GB1339119A/en
Priority to DK406872Aprioritypatent/DK144636C/en
Publication of DE2141475A1publicationCriticalpatent/DE2141475A1/en
Priority to JP57058929Aprioritypatent/JPS5810224B2/en
Ceasedlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Description

Translated fromGerman

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 Schaumstoffisolierungund einem Außenmantel, bei dem auf das Metallrohr eine Abstandshalterwendel, vorzugsweise aus Papier, aufgebrachtwird, um die Abstandshalterwendel ein längseinlaufendes Band zum Schlitzrohr geformt wird, in das noch offene Schlitzrohrein selbstschäumender Kunststoff eingebracht wird undanschließend 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 insulationand an outer jacket, in which a spacer coil, preferably made of paper, is applied to the metal tubeis formed around the spacer coil a longitudinal band to the slotted tube, in the still open slotted tubea self-foaming plastic is introduced andthen the tape edges are connected to one another.

Nach einer besonders günstigen Weiterbildung dieses Patentes wird auf das Band nach dem Aushärten der Schaumstoffschichtein 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 hardeningan 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 innigverklebt, so daß sich das so hergestellte Rohr bereitwillig biegen läßt, ohne daß bei Verwendung eines flexiblen Schaumesdas bisher als Außenmantel verwendete Band einknickt, was unter Umständen zu einer Beschädigung des Außenmantelsführen könnte. Es ist somit gelungen, große Längen eines derartigen Leitungsrohres zu Ringbunden zu wickeln.The main advantage of the invention is to be seen inthat the coextruded copolymer layer is intimate with the tapeglued, so that the pipe produced in this way can readily be bent without the use of a flexible foamthe tape previously used as the outer jacket buckles, which may damage the outer jacketcould 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 dargestalltenAusführungsbeispiels näher erläutert. Um einKupferrohr 1 ist zum Zweck der Wärme- oder Schallisolierung eine Schicht 12 aus einem flexiblen Polyurethanschaum aufgebracht.ALs Form fürdenSchaumstoff 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 forthe 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 aberauch dünne Metallfolien verwendet werden. Auf dieses Band 7 wird nach dem Aushärten der Schaumstoffschicht 12 einMantel 13 aus einem für die Verklebung geeigneten Copolymer des Äthylens oder eines Copolymers auf der Basisvon Vinylchlorid aufextrudiert. Dieser Mantel 13 verklebtauf Grund seines chemischen Aufbaus atfe Innigste mit demBand 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 Copolymerschicht13 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 canthin metal foils can also be used. After curing, the foam layer 12 is applied to this tape 7Jacket 13 made of a copolymer of ethylene suitable for bonding or a copolymer based on itextruded from vinyl chloride. This jacket 13 is gluedBecause of its chemical structure, feel most intimate with himBand 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 layer13 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)

Translated fromGerman
2UH752UH75Kabel- und Metailwerke 1-1159Cable and metal works 1-1159Gutehofffnungshütte Aktiengesellschaft 17, 8, 1971Gutehofffnungshütte Aktiengesellschaft 17, 8, 1971PatentansprücheClaimsVerfahren zur Herstellung wärme- und schallisolierterLeitungsrohre, bestehend aus einem Metallrohr, vorzugsweiseaus Kupfer, einer Schaumstoffisolierung und einem Außenmantel, bei dem auf das Metallrohr eine Abstandshalterwendelaufgebracht wird, um die Abstandshalterwendel ein längseinlaufendes Band zum Schlitzrohr geformtwird, in das noch offene Schlitzrohr ein selbstschäumender Kunststoff eingebracht wird und anschließenddie Bandkanten dicht miteinander verbunden werden nach Patent ,....,-,.., (Patentanmeldung P 19 60 932), dadurch gekennzeichnet, daß auf das Band (7) nach demAushärten der Schaumstoffschicht (12) ein Außenmantel (13) aus einem Copolymer aufextrudiert wird,Process for the production of heat and sound insulatedLine pipes, consisting of a metal pipe, preferablymade of copper, foam insulation and an outer jacket with a spacer coil on the metal tubeis applied to the spacer helix formed a longitudinal band to the slotted tubea self-foaming plastic is introduced into the open slot tube and thenthe band edges are tightly connected to each other according to patent, ...., -, .., (patent application P 19 60 932), characterized in that on the band (7) afterCuring of the foam layer (12) an outer jacket (13) made of a copolymer is extruded on,3 0 9.8 0 9 /00 7U3 0 9.8 0 9/00 7UL e e r s e i t eL e r s e i t e
DE2141475A1969-12-041971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPESCeasedDE2141475A1 (en)

Priority Applications (12)

Application NumberPriority DateFiling DateTitle
DE2141475ADE2141475A1 (en)1971-08-191971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES
CH890972ACH543034A (en)1969-12-041972-06-14Heat and sound insulating conduits
IT50953/72AIT1045063B (en)1971-08-191972-06-16 PROCEDURE FOR THE PRODUCTION OF THERMALLY INSULATED AND SOUNDPROOFED PIPES
AR242625AAR217782A1 (en)1971-08-191972-06-16 PROCEDURE FOR THE MANUFACTURE OF INSULATED CONDUCTIVE TUBES AGAINST HEAT AND NOISE
NLAANVRAGE7208432,ANL174232C (en)1971-08-191972-06-20 METHOD FOR MANUFACTURING A HEAT AND SOUND INSULATED PIPE
AT534872AAT333559B (en)1971-08-191972-06-21 PROCESS FOR MANUFACTURING WARM AND SOUND INSULATED PIPES
BE785257ABE785257R (en)1971-08-191972-06-22 PROCESS FOR MANUFACTURING THERMALLY INSULATED DUCTS AND
JP47063127AJPS4829857A (en)1971-08-191972-06-23
FR7227568AFR2144518A6 (en)1971-08-191972-07-31
GB3801772AGB1339119A (en)1971-08-191972-08-15Method of producing thermally and acoustically insulated pipes
DK406872ADK144636C (en)1971-08-191972-08-17 PROCEDURE FOR THE MANUFACTURE OF HEAT AND SOUND INSULATED WIRING BEARS
JP57058929AJPS5810224B2 (en)1971-08-191982-04-08 Manufacturing method for heat-insulating and sound-insulating pipes

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
DE2141475ADE2141475A1 (en)1971-08-191971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Publications (1)

Publication NumberPublication Date
DE2141475A1true DE2141475A1 (en)1973-03-01

Family

ID=5817119

Family Applications (1)

Application NumberTitlePriority DateFiling Date
DE2141475ACeasedDE2141475A1 (en)1969-12-041971-08-19 PROCESS FOR MANUFACTURING THERMAL AND SOUND INSULATED PIPES

Country Status (10)

CountryLink
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 numberPriority datePublication dateAssigneeTitle
FR2506426A1 (en)*1981-05-251982-11-26Kabel Metallwerke Ghh PROCESS FOR THE MANUFACTURE OF A THERMALLY INSULATED CONDUCTIVE TUBE
DE3120719A1 (en)*1981-05-251982-12-09Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 HannoverProcess for producing a heat-insulated conduit pipe
FR2542060A1 (en)*1983-03-051984-09-07Kabelmetal Electro Gmbh ISOLATED HEAT CONDUCTIVE PIPE AND METHOD FOR MANUFACTURING THE SAME
FR2589981A1 (en)*1985-08-231987-05-15Marquet & Cie NoelContinuous development of cellular insulation and sheathing for pipes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
IT1071401B (en)*1980-04-241985-04-10Zema S R L PROCEDURE FOR THE COVERING OF METAL TUBES WITH CLOSURE AND PLASTIC FILM, MACHINE TO IMPLEMENT THE PROCEDURE AND PRODUCT OBTAINED
DE3506144A1 (en)*1985-02-221986-08-28kabelmetal electro GmbH, 3000 HannoverProcess for producing a heat-insulated line pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2506426A1 (en)*1981-05-251982-11-26Kabel Metallwerke Ghh PROCESS FOR THE MANUFACTURE OF A THERMALLY INSULATED CONDUCTIVE TUBE
DE3120719A1 (en)*1981-05-251982-12-09Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 HannoverProcess for producing a heat-insulated conduit pipe
FR2542060A1 (en)*1983-03-051984-09-07Kabelmetal Electro Gmbh ISOLATED HEAT CONDUCTIVE PIPE AND METHOD FOR MANUFACTURING THE SAME
FR2589981A1 (en)*1985-08-231987-05-15Marquet & Cie NoelContinuous development of cellular insulation and sheathing for pipes

Also Published As

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

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Legal Events

DateCodeTitleDescription
ODRequest for examination
8178Suspension cancelled
8131Rejection

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