AT357749B - Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre - Google Patents

Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre

Info

Publication number
AT357749B
AT357749B AT186876A AT186876A AT357749B AT 357749 B AT357749 B AT 357749B AT 186876 A AT186876 A AT 186876A AT 186876 A AT186876 A AT 186876A AT 357749 B AT357749 B AT 357749B
Authority
AT
Austria
Prior art keywords
heat
continuous production
insulated pipes
insulated
pipes
Prior art date
Application number
AT186876A
Other languages
German (de)
English (en)
Other versions
ATA186876A (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 ATA186876A publication Critical patent/ATA186876A/de
Application granted granted Critical
Publication of AT357749B publication Critical patent/AT357749B/de

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
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10—Thermosetting resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
AT186876A 1975-06-07 1976-03-15 Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre AT357749B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2525561A DE2525561C2 (de) 1975-06-07 1975-06-07 Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre

Publications (2)

Publication Number Publication Date
ATA186876A ATA186876A (de) 1979-12-15
AT357749B true AT357749B (de) 1980-07-25

Family

ID=5948600

Family Applications (1)

Application Number Title Priority Date Filing Date
AT186876A AT357749B (de) 1975-06-07 1976-03-15 Verfahren zur kontinuierlichen herstellung waermeisolierter leitungsrohre

Country Status (11)

Country Link
JP (1) JPS51149376A (sv)
AT (1) AT357749B (sv)
BE (1) BE842625R (sv)
CH (1) CH589252A5 (sv)
DE (1) DE2525561C2 (sv)
DK (1) DK147372C (sv)
FR (1) FR2313198A2 (sv)
GB (1) GB1480324A (sv)
IT (1) IT1057271B (sv)
NL (1) NL7606018A (sv)
SE (1) SE420690B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628883A1 (de) * 1976-06-26 1978-01-05 Kabel Metallwerke Ghh Verfahren zum herstellen einer umhuellung aus aufgeschaeumtem kunststoff
DE2806560B2 (de) * 1978-02-16 1981-05-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre
NL8005255A (nl) * 1980-09-19 1982-04-16 Wavin Bv Kunststofbuisdeel voorzien van een kunststofschuimisolatielaag.
GB9025923D0 (en) * 1990-11-28 1991-01-09 Textilver Sa Improvements in and relating to tubing
EP0506123A1 (en) * 1991-03-29 1992-09-30 Asahi Tec Corporation Method of preparing disappearing model
EP3216579A1 (en) * 2016-03-11 2017-09-13 Halcor S.A. Crosslinked tubular foam
US20210018094A1 (en) * 2017-04-18 2021-01-21 R & D Plastics Of Hickory, Ltd. Ring dam and method for manufacturing a ring dam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504355A1 (de) * 1962-10-15 1969-09-25 Hercules Inc Formgegenstaende aus Polypropylenschaumstoffen mit Zellstruktur und Verfahren zur Herstellung derselben
DE1629367A1 (de) * 1966-08-11 1971-02-04 Dynamit Nobel Ag Verfahren zur kontinuierlichen Herstellung von vernetzten Polyolefin-Schaumstoffen
DE1629455A1 (de) * 1966-09-06 1971-01-28 Kabel Metallwerke Ghh Verfahren zum Vulkanisieren oder Vernetzen von thermoplastischen Isolierstoffschichten

Also Published As

Publication number Publication date
DE2525561C2 (de) 1985-11-07
FR2313198A2 (fr) 1976-12-31
GB1480324A (en) 1977-07-20
DK147372C (da) 1985-01-07
BE842625R (fr) 1976-12-06
DK147372B (da) 1984-07-09
NL7606018A (nl) 1976-12-09
CH589252A5 (sv) 1977-06-30
DE2525561A1 (de) 1976-12-23
SE420690B (sv) 1981-10-26
JPS51149376A (en) 1976-12-22
IT1057271B (it) 1982-03-10
DK141576A (da) 1976-12-08
SE7606344L (sv) 1976-12-08
ATA186876A (de) 1979-12-15
FR2313198B2 (sv) 1980-04-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification