FR2202779B1 - - Google Patents

Info

Publication number
FR2202779B1
FR2202779B1 FR7336642A FR7336642A FR2202779B1 FR 2202779 B1 FR2202779 B1 FR 2202779B1 FR 7336642 A FR7336642 A FR 7336642A FR 7336642 A FR7336642 A FR 7336642A FR 2202779 B1 FR2202779 B1 FR 2202779B1
Authority
FR
France
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
FR7336642A
Other languages
French (fr)
Other versions
FR2202779A1 (en
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.)
PREATONI E TEMPORITI
Original Assignee
PREATONI E TEMPORITI
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 PREATONI E TEMPORITI filed Critical PREATONI E TEMPORITI
Publication of FR2202779A1 publication Critical patent/FR2202779A1/fr
Application granted granted Critical
Publication of FR2202779B1 publication Critical patent/FR2202779B1/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
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting 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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7336642A 1972-10-13 1973-10-09 Injection moulding device having hydraulic motor - for driving feed screw, to which diathermal fluid is fed through a gland in a joint between motor and feed screw Granted FR2202779A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30452/72A IT968933B (it) 1972-10-13 1972-10-13 Gruppo motore idraulico estrusore per materie plastiche

Publications (2)

Publication Number Publication Date
FR2202779A1 FR2202779A1 (en) 1974-05-10
FR2202779B1 true FR2202779B1 (enExample) 1978-02-17

Family

ID=11229768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336642A Granted FR2202779A1 (en) 1972-10-13 1973-10-09 Injection moulding device having hydraulic motor - for driving feed screw, to which diathermal fluid is fed through a gland in a joint between motor and feed screw

Country Status (2)

Country Link
FR (1) FR2202779A1 (enExample)
IT (1) IT968933B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008026230A1 (en) * 2006-08-29 2008-03-06 Sovema S.P.A. Machine for extruding thermoplastic products

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1068365A (fr) * 1952-12-18 1954-06-24 Trudex Dispositif de refroidissement de vis d'extrusion pour matières thermo-plastiques
DE1729347A1 (de) * 1967-12-27 1971-08-05 Schloemann Ag Temperiereinrichtung fuer zur Verarbeitung von plastischen Massen vorgesehene Extruderschnecken

Also Published As

Publication number Publication date
IT968933B (it) 1974-03-20
FR2202779A1 (en) 1974-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse