CH551274A - PROCESS FOR COVERING METAL PIPES WITH THERMOPLASTIC PLASTIC. - Google Patents

PROCESS FOR COVERING METAL PIPES WITH THERMOPLASTIC PLASTIC.

Info

Publication number
CH551274A
CH551274A CH639073A CH639073A CH551274A CH 551274 A CH551274 A CH 551274A CH 639073 A CH639073 A CH 639073A CH 639073 A CH639073 A CH 639073A CH 551274 A CH551274 A CH 551274A
Authority
CH
Switzerland
Prior art keywords
metal pipes
thermoplastic plastic
covering metal
covering
thermoplastic
Prior art date
Application number
CH639073A
Other languages
German (de)
Original Assignee
Mannesmann 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
Priority claimed from DE19722222911 external-priority patent/DE2222911C3/en
Application filed by Mannesmann Ag filed Critical Mannesmann Ag
Publication of CH551274A publication Critical patent/CH551274A/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
    • 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
    • B29C48/022—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
    • 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
CH639073A 1972-05-05 1973-05-04 PROCESS FOR COVERING METAL PIPES WITH THERMOPLASTIC PLASTIC. CH551274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722222911 DE2222911C3 (en) 1972-05-05 Process for the continuous sheathing of a metal tube

Publications (1)

Publication Number Publication Date
CH551274A true CH551274A (en) 1974-07-15

Family

ID=5844608

Family Applications (1)

Application Number Title Priority Date Filing Date
CH639073A CH551274A (en) 1972-05-05 1973-05-04 PROCESS FOR COVERING METAL PIPES WITH THERMOPLASTIC PLASTIC.

Country Status (4)

Country Link
BE (1) BE799174A (en)
CH (1) CH551274A (en)
FR (1) FR2184321A5 (en)
NL (1) NL176536C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171782C (en) * 1974-11-05 1983-05-16 Ver Buizenfab METHOD FOR COATING METAL TUBE, AND THUS COATED TUBE.
DE3047429C2 (en) * 1980-12-12 1984-09-13 Mannesmann AG, 4000 Düsseldorf Method for sheathing a steel pipe

Also Published As

Publication number Publication date
FR2184321A5 (en) 1973-12-21
NL176536C (en) 1985-05-01
BE799174A (en) 1973-08-31
NL176536B (en) 1984-12-03
DE2222911A1 (en) 1973-11-29
NL7306372A (en) 1973-11-07
DE2222911B2 (en) 1977-01-20

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Legal Events

Date Code Title Description
PL Patent ceased