AT369321B - Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre - Google Patents

Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre

Info

Publication number
AT369321B
AT369321B AT0071679A AT71679A AT369321B AT 369321 B AT369321 B AT 369321B AT 0071679 A AT0071679 A AT 0071679A AT 71679 A AT71679 A AT 71679A AT 369321 B AT369321 B AT 369321B
Authority
AT
Austria
Prior art keywords
heat
continuous production
insulated pipes
insulated
pipes
Prior art date
Application number
AT0071679A
Other languages
English (en)
Other versions
ATA71679A (de
Original Assignee
Kabel Metallwerke Ghh
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 Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of ATA71679A publication Critical patent/ATA71679A/de
Application granted granted Critical
Publication of AT369321B publication Critical patent/AT369321B/de

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
    • 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
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • 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
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10—Thermosetting resins
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/18—Cross-linking a thermoplastic linear foam during molding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Thermal Insulation (AREA)
AT0071679A 1978-02-16 1979-01-31 Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre AT369321B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2806560A DE2806560B2 (de) 1978-02-16 1978-02-16 Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre

Publications (2)

Publication Number Publication Date
ATA71679A ATA71679A (de) 1982-05-15
AT369321B true AT369321B (de) 1982-12-27

Family

ID=6032131

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0071679A AT369321B (de) 1978-02-16 1979-01-31 Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre

Country Status (16)

Country Link
US (1) US4289716A (de)
AT (1) AT369321B (de)
BE (1) BE873721A (de)
CH (1) CH637322A5 (de)
DE (1) DE2806560B2 (de)
DK (1) DK24879A (de)
ES (1) ES477718A1 (de)
FR (1) FR2417386A1 (de)
GB (1) GB2014506B (de)
GR (1) GR65638B (de)
IT (1) IT1110240B (de)
NL (1) NL7901192A (de)
NO (1) NO150504C (de)
PT (1) PT69236A (de)
SE (1) SE426039C (de)
YU (1) YU22079A (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945275C2 (de) * 1979-11-09 1984-02-02 Wieland-Werke Ag, 7900 Ulm Verfahren zum Ummanteln eines Metallrohres mit einer wärmeisolierenden Schaumstoffschicht
NL8001732A (nl) * 1980-03-25 1981-10-16 Stamicarbon Werkwijze voor de vervaardiging van produkten bestaande uit geschuimde en/of verknoopte polymere kunststoffen.
DE3424269C2 (de) * 1984-06-30 1994-01-27 Krupp Ag Vorrichtung zum Herstellen von armierten Profilen und verstärkten Schläuchen
NO163648C (no) * 1987-04-29 1990-06-27 Dag Vilnes Fremgangsmaate til isolering av et roerlegeme som er nedsenket i vann.
GB9104671D0 (en) * 1991-03-06 1991-04-17 Browning Michael R S Bicycle suspension system
FR2681467B1 (fr) * 1991-09-13 1993-11-19 Alcatel Cable Corps isolant a haute rigidite dielectrique et procede d'obtention d'un tel corps.
US5227460A (en) * 1991-12-30 1993-07-13 Xerox Corporation Cross-linked toner resins
US5376494A (en) * 1991-12-30 1994-12-27 Xerox Corporation Reactive melt mixing process for preparing cross-linked toner resin
US5238328A (en) * 1992-01-23 1993-08-24 Adams Robert M System for coextruded innerduct with filled outer layer
DE4204759C1 (de) * 1992-02-18 1992-12-03 Friedrich Theysohn Gmbh, 3012 Langenhagen, De
US5407772A (en) * 1993-11-30 1995-04-18 Xerox Corporation Unsaturated polyesters
JPH08298032A (ja) * 1995-04-25 1996-11-12 Nippon Unicar Co Ltd 架橋ポリエチレン絶縁電力ケーブルの製造方法
US5879723A (en) * 1996-03-26 1999-03-09 United States Brass Corporation Automated tube reforming apparatus
US6361842B1 (en) 1996-05-30 2002-03-26 United States Brass Corporation Reformed crosslinked polyethylene articles
US5756023A (en) * 1996-05-30 1998-05-26 United States Brass Corporation Method of producing reformed crosslinked polyethylene articles
CN1096929C (zh) * 1996-12-14 2002-12-25 矢崎化工株式会社 木纹式花纹挤压成形法、木纹式花纹被覆钢管及其制造方法
FR2785967B1 (fr) * 1998-11-16 2000-12-08 Inst Francais Du Petrole Conduite isolee thermiquement et methode de farication
FR2785968B1 (fr) 1998-11-16 2001-01-12 Inst Francais Du Petrole Conduite isolee thermiquement par un materiau elastomere et methode de fabrication
US6284178B1 (en) 1999-06-18 2001-09-04 United States Brass Corporation Methods of producing crosslinked polyethylene products
WO2004065092A1 (en) * 2003-01-22 2004-08-05 Wellstream International Limited Process for manufacturing a flexible tubular pipe having extruded layers made of crosslinked polyethylene
US7399443B2 (en) * 2004-02-27 2008-07-15 Lucent Technologies Inc. Carbon particle fiber assembly technique
GB2440547A (en) * 2006-08-05 2008-02-06 Rolls Royce Plc A fluid carrying arrangement
FR2925975B1 (fr) * 2007-12-26 2016-05-27 Areva Np Conteneur de transport pour assemblage de combustible nucleaire, et procede de transport d'un assemblage de combustible nucleaire
CN103882537B (zh) * 2012-12-19 2016-08-17 财团法人工业技术研究院 纺丝装置
US9114364B2 (en) * 2012-12-19 2015-08-25 Industrial Technology Research Institute Hollow fibers having a winding channel
US9222200B2 (en) * 2012-12-19 2015-12-29 Industrial Technology Research Institute Spinning device
US20180111301A1 (en) * 2016-10-20 2018-04-26 Teng-Pu Lin Device for making foam pipes and method for making foam pipes

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994327A (en) * 1955-04-26 1961-08-01 Caronelle Inc Articles of reinforced foam material
US2928130A (en) * 1955-09-08 1960-03-15 Western Electric Co Methods for making cellular plastic products
DE1629716C3 (de) * 1967-09-29 1983-06-01 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Verfahren und Vorrichtung zum kontinuierlichen Aufbringen einer wärme- und schallisolierenden Mantelschicht auf ein Metallrohr
CA863712A (en) * 1968-10-07 1971-02-16 Union Carbide Canada Limited Tubular insulation formed by an extrusion process
GB1303643A (de) * 1969-06-24 1973-01-17
US3956438A (en) * 1971-02-25 1976-05-11 Barmag Barmer Maschinenfabrik Aktiengesellschaft Process for extruding a partially foamed thermoplastic product
US3706683A (en) * 1971-02-26 1972-12-19 Basf Wyandotte Corp Cross-linked nitrogen- and chlorine-containing cellular plastics and a method for the preparation thereof
JPS556111Y2 (de) * 1971-06-04 1980-02-12
US3937447A (en) * 1972-12-27 1976-02-10 Siemag Siegener Maschinenbau Gmbh Injection molding apparatus
DE2331986A1 (de) * 1973-06-20 1975-01-23 Siemens Ag Extruderspritzkopf
US3940467A (en) * 1973-07-20 1976-02-24 Bethlehem Steel Corporation Method of injection molding a structural foamed thermoplastic article having a uniform swirl-free and indent-free surface
DE2445698C2 (de) * 1974-09-25 1983-05-26 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren und Vorrichtung zum Herstellen von Strängen aus vernetzbaren Thermoplasten oder vulkanisierbaren Elastomeren
JPS5150978A (en) * 1974-10-30 1976-05-06 Sumitomo Chemical Co Echirenkeijugotaino kakyohatsuhoshashutsuseikeihoho
DE2500972A1 (de) * 1975-01-11 1976-07-15 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus einem ein treibmittel enthaltenden thermoplastischen kunststoff
US4073844A (en) * 1975-03-22 1978-02-14 Sumitomo Chemical Company, Limited Preparation of crosslinked polyolefin foams and the mold
DE2525561C2 (de) * 1975-06-07 1985-11-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre

Also Published As

Publication number Publication date
SE426039B (sv) 1982-12-06
IT7920230A0 (it) 1979-02-15
FR2417386A1 (fr) 1979-09-14
NO150504B (no) 1984-07-23
SE426039C (sv) 1985-09-09
NO150504C (no) 1984-10-31
GB2014506B (en) 1982-05-12
GR65638B (en) 1980-10-15
US4289716A (en) 1981-09-15
GB2014506A (en) 1979-08-30
YU22079A (en) 1982-08-31
DK24879A (da) 1979-08-17
ATA71679A (de) 1982-05-15
ES477718A1 (es) 1979-08-01
BE873721A (fr) 1979-05-16
NO790513L (no) 1979-08-17
IT1110240B (it) 1985-12-23
DE2806560A1 (de) 1979-08-30
CH637322A5 (de) 1983-07-29
SE7901339L (sv) 1979-08-17
NL7901192A (nl) 1979-08-20
PT69236A (de) 1979-03-01
DE2806560B2 (de) 1981-05-07

Similar Documents

Publication Publication Date Title
AT369321B (de) Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre
AT360809B (de) Waermeisoliertes leitungsrohr und verfahren zu seiner herstellung
AT370086B (de) Verfahren zur herstellung des d-camphorats von l-carnitinamid
AT373918B (de) Verfahren zur kontinuierlichen herstellung von rostfreien staehlen
DD132585A5 (de) Verfahren zur herstellung neuer phenylaethylamine
AT362580B (de) Verfahren zur kontinuierlichen herstellung von homo- oder copolymerisaten des aethylens
AT380672B (de) Verfahren zur kontinuierlichen herstellung von mesokohlenstoff-mikroperlen
AT370404B (de) Stereoselektives verfahren zur herstellung von alkadienolen
AT368150B (de) Verfahren zur herstellung von neuen aethern
ATA675679A (de) Verfahren zur kontinuierlichen herstellung von plattenfoermigen schichtstoffen
AT361707B (de) Verfahren zur kontinuierlichen herstellung von aethylencopolymerisaten
AT357749B (de) Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre
AT364689B (de) Verfahren zur herstellung von kohlenhydratfreien knabberartikeln
AT376223B (de) Verfahren zur kontinuierlichen herstellung von aluminiummonoaethylphosphit
AT376648B (de) Verfahren zur herstellung von zement, vorzugsweise belitzement
AT371117B (de) Verfahren zur herstellung von 2-methyl-3furancarbons[ureanilid
DD138936A1 (de) Verfahren zur herstellung ballaststoffreicher stabilisierter speisekleie
DD128663A1 (de) Verfahren zur kontinuierlichen herstellung von perestern
AT375907B (de) Verfahren zur herstellung kunstharzgebundener formkoerper
AT364858B (de) Verfahren zur herstellung von lactosyl-harnstoff
DD136828A1 (de) Verfahren zur herstellung von kuenstlichem marmor
AT361943B (de) Verfahren zur herstellung von aminoalkyltheo- phyllinen
ATA586580A (de) Verfahren zur kontinuierlichen herstellung eines von schlaeuchen
DD137847A1 (de) Verfahren zur herstellung verschleissfester oberflaechen
DD136272A1 (de) Verfahren zur herstellung von temperguss

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee