CH584381A5 - - Google Patents

Info

Publication number
CH584381A5
CH584381A5 CH539275A CH539275A CH584381A5 CH 584381 A5 CH584381 A5 CH 584381A5 CH 539275 A CH539275 A CH 539275A CH 539275 A CH539275 A CH 539275A CH 584381 A5 CH584381 A5 CH 584381A5
Authority
CH
Switzerland
Application number
CH539275A
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
Priority to GB4530176A priority Critical patent/GB1508739A/en
Publication of CH584381A5 publication Critical patent/CH584381A5/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
CH539275A 1974-04-27 1975-04-28 CH584381A5 (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4530176A GB1508739A (en) 1975-04-28 1976-11-01 Livestock carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2420608A DE2420608A1 (de) 1974-04-27 1974-04-27 Verfahren und vorrichtung zur herstellung eines mit einem geschaeumten kunststoffmantel versehenen metallrohres

Publications (1)

Publication Number Publication Date
CH584381A5 true CH584381A5 (xx) 1977-01-31

Family

ID=5914201

Family Applications (1)

Application Number Title Priority Date Filing Date
CH539275A CH584381A5 (xx) 1974-04-27 1975-04-28

Country Status (6)

Country Link
BE (1) BE828067A (xx)
CH (1) CH584381A5 (xx)
DE (1) DE2420608A1 (xx)
FR (1) FR2268622B1 (xx)
GB (1) GB1501145A (xx)
IT (1) IT1032667B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461013C3 (de) * 1974-12-21 1982-01-07 Wieland-Werke Ag, 7900 Ulm Aus einem Metallrohr und einem Kunststoffmantel bestehendes wärmeisoliertes Verbundrohr
GB1542585A (en) * 1976-06-22 1979-03-21 Sumitomo Chemical Co Method of extrusion coating with polyolefin foam
JPS5624289A (en) * 1979-07-31 1981-03-07 Furukawa Electric Co Ltd Adiabatic pipe and its manufacture
DE2945275C2 (de) * 1979-11-09 1984-02-02 Wieland-Werke Ag, 7900 Ulm Verfahren zum Ummanteln eines Metallrohres mit einer wärmeisolierenden Schaumstoffschicht
GB2259270B (en) * 1991-09-07 1995-08-16 Extrudit Ltd Plastics piping
AT401753B (de) * 1995-05-24 1996-11-25 Ke Kelit Kunststoffwerk Gmbh Ringdüse zum strangpressen von kunststoffschläuchen zur rohrisolierung gegen wärme- und schallübertragung

Also Published As

Publication number Publication date
GB1501145A (en) 1978-02-15
IT1032667B (it) 1979-06-20
BE828067A (fr) 1975-08-18
FR2268622A1 (xx) 1975-11-21
FR2268622B1 (xx) 1978-09-01
DE2420608A1 (de) 1975-11-20

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Legal Events

Date Code Title Description
PL Patent ceased