FR2153204A1 - Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion - Google Patents

Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion

Info

Publication number
FR2153204A1
FR2153204A1 FR7134485A FR7134485A FR2153204A1 FR 2153204 A1 FR2153204 A1 FR 2153204A1 FR 7134485 A FR7134485 A FR 7134485A FR 7134485 A FR7134485 A FR 7134485A FR 2153204 A1 FR2153204 A1 FR 2153204A1
Authority
FR
France
Prior art keywords
extrusion
head
mandrel
profiles
press
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.)
Granted
Application number
FR7134485A
Other languages
English (en)
French (fr)
Other versions
FR2153204B1 (enExample
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.)
AQUITAINE TOTAL ORGANICO FR
Original Assignee
AQUITAINE TOTAL ORGANICO FR
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 AQUITAINE TOTAL ORGANICO FR filed Critical AQUITAINE TOTAL ORGANICO FR
Priority to FR7134485A priority Critical patent/FR2153204A1/fr
Publication of FR2153204A1 publication Critical patent/FR2153204A1/fr
Application granted granted Critical
Publication of FR2153204B1 publication Critical patent/FR2153204B1/fr
Granted 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
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
    • 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
    • B29C48/25—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7134485A 1971-09-24 1971-09-24 Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion Granted FR2153204A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7134485A FR2153204A1 (en) 1971-09-24 1971-09-24 Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7134485A FR2153204A1 (en) 1971-09-24 1971-09-24 Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion

Publications (2)

Publication Number Publication Date
FR2153204A1 true FR2153204A1 (en) 1973-05-04
FR2153204B1 FR2153204B1 (enExample) 1974-06-21

Family

ID=9083456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7134485A Granted FR2153204A1 (en) 1971-09-24 1971-09-24 Extrusion of hollow profiles - using a self centring mandrel suspended from the head extrusion

Country Status (1)

Country Link
FR (1) FR2153204A1 (enExample)

Also Published As

Publication number Publication date
FR2153204B1 (enExample) 1974-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse