FR1292802A - Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process - Google Patents

Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process

Info

Publication number
FR1292802A
FR1292802A FR865876A FR865876A FR1292802A FR 1292802 A FR1292802 A FR 1292802A FR 865876 A FR865876 A FR 865876A FR 865876 A FR865876 A FR 865876A FR 1292802 A FR1292802 A FR 1292802A
Authority
FR
France
Prior art keywords
pipes
implementation
manufacture
thermoplastic materials
tubular films
Prior art date
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.)
Expired
Application number
FR865876A
Other languages
French (fr)
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik 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 DEB58377A external-priority patent/DE1212716B/en
Application filed by Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Priority to FR865876A priority Critical patent/FR1292802A/en
Application granted granted Critical
Publication of FR1292802A publication Critical patent/FR1292802A/en
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
    • 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
    • B29C48/03—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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
FR865876A 1960-06-28 1961-06-23 Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process Expired FR1292802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR865876A FR1292802A (en) 1960-06-28 1961-06-23 Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB58377A DE1212716B (en) 1960-06-28 1960-06-28 Injection head for the production of hollow strings from thermoplastics
FR865876A FR1292802A (en) 1960-06-28 1961-06-23 Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process

Publications (1)

Publication Number Publication Date
FR1292802A true FR1292802A (en) 1962-05-04

Family

ID=25965679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865876A Expired FR1292802A (en) 1960-06-28 1961-06-23 Process for the manufacture of pipes or tubular films of thermoplastic materials, and die designed for the implementation of this process

Country Status (1)

Country Link
FR (1) FR1292802A (en)

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