FR1330757A - Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic - Google Patents

Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic

Info

Publication number
FR1330757A
FR1330757A FR893597A FR893597A FR1330757A FR 1330757 A FR1330757 A FR 1330757A FR 893597 A FR893597 A FR 893597A FR 893597 A FR893597 A FR 893597A FR 1330757 A FR1330757 A FR 1330757A
Authority
FR
France
Prior art keywords
plastic
machine
extrusion die
variable orifice
particular made
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
FR893597A
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Priority to FR893597A priority Critical patent/FR1330757A/en
Application granted granted Critical
Publication of FR1330757A publication Critical patent/FR1330757A/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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
FR893597A 1962-04-06 1962-04-06 Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic Expired FR1330757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR893597A FR1330757A (en) 1962-04-06 1962-04-06 Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR893597A FR1330757A (en) 1962-04-06 1962-04-06 Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic

Publications (1)

Publication Number Publication Date
FR1330757A true FR1330757A (en) 1963-06-28

Family

ID=8776269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893597A Expired FR1330757A (en) 1962-04-06 1962-04-06 Variable orifice extrusion die for a machine for forming hollow objects, in particular made of plastic

Country Status (1)

Country Link
FR (1) FR1330757A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373115A1 (en) * 1988-12-09 1990-06-13 Soplar Sa Extrusion head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373115A1 (en) * 1988-12-09 1990-06-13 Soplar Sa Extrusion head

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