IT1190814B - Dispositivo per rivestire tubi di acciaio con un mantello di materia artificiale termoplastica - Google Patents

Dispositivo per rivestire tubi di acciaio con un mantello di materia artificiale termoplastica

Info

Publication number
IT1190814B
IT1190814B IT21147/82A IT2114782A IT1190814B IT 1190814 B IT1190814 B IT 1190814B IT 21147/82 A IT21147/82 A IT 21147/82A IT 2114782 A IT2114782 A IT 2114782A IT 1190814 B IT1190814 B IT 1190814B
Authority
IT
Italy
Prior art keywords
steel pipes
coating steel
artificial material
thermoplastic artificial
thermoplastic
Prior art date
Application number
IT21147/82A
Other languages
English (en)
Other versions
IT8221147A0 (it
Inventor
Helmut Landgraf
Walter Stucke
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
Application filed by Mannesmann Ag filed Critical Mannesmann Ag
Publication of IT8221147A0 publication Critical patent/IT8221147A0/it
Application granted granted Critical
Publication of IT1190814B publication Critical patent/IT1190814B/it

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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
IT21147/82A 1981-05-08 1982-05-07 Dispositivo per rivestire tubi di acciaio con un mantello di materia artificiale termoplastica IT1190814B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813118978 DE3118978A1 (de) 1981-05-08 1981-05-08 "vorrichtung zum ummanteln von stahlrohren mit thermoplastischem kunststoff"

Publications (2)

Publication Number Publication Date
IT8221147A0 IT8221147A0 (it) 1982-05-07
IT1190814B true IT1190814B (it) 1988-02-24

Family

ID=6132187

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21147/82A IT1190814B (it) 1981-05-08 1982-05-07 Dispositivo per rivestire tubi di acciaio con un mantello di materia artificiale termoplastica

Country Status (8)

Country Link
JP (1) JPS57193339A (it)
BE (1) BE893091A (it)
DD (1) DD202262A5 (it)
DE (1) DE3118978A1 (it)
FR (1) FR2505253A1 (it)
HU (1) HU183915B (it)
IT (1) IT1190814B (it)
NL (1) NL8201895A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395424B (zh) * 2019-06-04 2021-08-24 张彬 一种pvc管覆膜装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629716C3 (de) * 1967-09-29 1983-06-01 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Verfahren und Vorrichtung zum kontinuierlichen Aufbringen einer wärme- und schallisolierenden Mantelschicht auf ein Metallrohr
US3646186A (en) * 1970-06-05 1972-02-29 Du Pont Process for producing continuous round jacketed lightguides
FR2096915A1 (en) * 1970-07-16 1972-03-03 Sekisui Jushi Kk Decorative profiles - having metal body covered with sheet coated with transparent thermoplastic resin

Also Published As

Publication number Publication date
HU183915B (en) 1984-06-28
IT8221147A0 (it) 1982-05-07
BE893091A (fr) 1982-08-30
DD202262A5 (de) 1983-09-07
NL8201895A (nl) 1982-12-01
FR2505253A1 (fr) 1982-11-12
JPS57193339A (en) 1982-11-27
DE3118978A1 (de) 1982-11-18

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