BE885898A - METHOD AND APPARATUS FOR THE MANUFACTURE OF HEATING PIPES - Google Patents

METHOD AND APPARATUS FOR THE MANUFACTURE OF HEATING PIPES

Info

Publication number
BE885898A
BE885898A BE2/58825A BE2058825A BE885898A BE 885898 A BE885898 A BE 885898A BE 2/58825 A BE2/58825 A BE 2/58825A BE 2058825 A BE2058825 A BE 2058825A BE 885898 A BE885898 A BE 885898A
Authority
BE
Belgium
Prior art keywords
manufacture
heating pipes
pipes
heating
Prior art date
Application number
BE2/58825A
Other languages
Dutch (nl)
Original Assignee
Wieland Werke 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 Wieland Werke Ag filed Critical Wieland Werke Ag
Publication of BE885898A publication Critical patent/BE885898A/en

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
    • B29C48/15—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
    • B29C48/03—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
    • 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
BE2/58825A 1979-11-09 1980-10-28 METHOD AND APPARATUS FOR THE MANUFACTURE OF HEATING PIPES BE885898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2945275A DE2945275C2 (en) 1979-11-09 1979-11-09 Process for sheathing a metal pipe with a heat-insulating foam layer

Publications (1)

Publication Number Publication Date
BE885898A true BE885898A (en) 1981-02-16

Family

ID=6085572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58825A BE885898A (en) 1979-11-09 1980-10-28 METHOD AND APPARATUS FOR THE MANUFACTURE OF HEATING PIPES

Country Status (5)

Country Link
BE (1) BE885898A (en)
DE (1) DE2945275C2 (en)
FR (1) FR2469269A1 (en)
GB (1) GB2063147A (en)
IT (2) IT8068711A0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259270B (en) * 1991-09-07 1995-08-16 Extrudit Ltd Plastics piping
US7622680B2 (en) * 2003-09-10 2009-11-24 Tyco Electronics Corporation Cable jacket with internal splines
CN104896207A (en) * 2015-05-26 2015-09-09 成都高普石油工程技术有限公司 Stable-structure type petroleum pipeline

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629716C3 (en) * 1967-09-29 1983-06-01 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Method and device for the continuous application of a heat and sound insulating jacket layer on a metal pipe
AT298911B (en) * 1967-11-16 1972-05-25 Sueddeutsche Kabelwerke Plastic foam thermal insulation for metal pipes
JPS5216235B2 (en) * 1972-01-31 1977-05-07
BE805612A (en) * 1973-10-03 1974-02-01 Sumitomo Chemical Co Thermoplastic resin sheath - by extruding tube with internal helical rib, and engaging central part of rib on support eg electric wire
US3972970A (en) * 1974-02-07 1976-08-03 Western Electric Company, Inc. Method for extruding cellular thermoplastic products
DE2420608A1 (en) * 1974-04-27 1975-11-20 Wieland Werke Ag METHOD AND DEVICE FOR MANUFACTURING A METAL PIPE COVERED WITH A FOAMED PLASTIC COAT
US3975473A (en) * 1974-09-12 1976-08-17 Union Carbide Corporation Process for production of cellular thermoplastic bodies
GB1542585A (en) * 1976-06-22 1979-03-21 Sumitomo Chemical Co Method of extrusion coating with polyolefin foam
DE2628883A1 (en) * 1976-06-26 1978-01-05 Kabel Metallwerke Ghh PROCESS FOR MANUFACTURING A CASING FROM FOAMED PLASTIC
DE2806560B2 (en) * 1978-02-16 1981-05-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Process for the continuous production of heat-insulated line pipes

Also Published As

Publication number Publication date
GB2063147A (en) 1981-06-03
IT8053646V0 (en) 1980-11-07
IT8068711A0 (en) 1980-11-07
DE2945275C2 (en) 1984-02-02
FR2469269A1 (en) 1981-05-22
DE2945275A1 (en) 1981-05-21

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