FR2268622A1 - - Google Patents

Info

Publication number
FR2268622A1
FR2268622A1 FR7511849A FR7511849A FR2268622A1 FR 2268622 A1 FR2268622 A1 FR 2268622A1 FR 7511849 A FR7511849 A FR 7511849A FR 7511849 A FR7511849 A FR 7511849A FR 2268622 A1 FR2268622 A1 FR 2268622A1
Authority
FR
France
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.)
Granted
Application number
FR7511849A
Other languages
French (fr)
Other versions
FR2268622B1 (de
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.)
Wieland Werke AG
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 FR2268622A1 publication Critical patent/FR2268622A1/fr
Application granted granted Critical
Publication of FR2268622B1 publication Critical patent/FR2268622B1/fr
Expired legal-status Critical Current

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)
FR7511849A 1974-04-27 1975-04-16 Expired FR2268622B1 (de)

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 (2)

Publication Number Publication Date
FR2268622A1 true FR2268622A1 (de) 1975-11-21
FR2268622B1 FR2268622B1 (de) 1978-09-01

Family

ID=5914201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511849A Expired FR2268622B1 (de) 1974-04-27 1975-04-16

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295334A1 (fr) * 1974-12-21 1976-07-16 Wieland Werke Ag Tube composite calorifuge comprenant un tube metallique et un revetement de matiere plastique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295334A1 (fr) * 1974-12-21 1976-07-16 Wieland Werke Ag Tube composite calorifuge comprenant un tube metallique et un revetement de matiere plastique

Also Published As

Publication number Publication date
CH584381A5 (de) 1977-01-31
GB1501145A (en) 1978-02-15
IT1032667B (it) 1979-06-20
BE828067A (fr) 1975-08-18
FR2268622B1 (de) 1978-09-01
DE2420608A1 (de) 1975-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse