IT7919052A0 - Estrusore continuo a coclea per la lavorazione di materie termoplastiche. - Google Patents

Estrusore continuo a coclea per la lavorazione di materie termoplastiche.

Info

Publication number
IT7919052A0
IT7919052A0 IT7919052A IT1905279A IT7919052A0 IT 7919052 A0 IT7919052 A0 IT 7919052A0 IT 7919052 A IT7919052 A IT 7919052A IT 1905279 A IT1905279 A IT 1905279A IT 7919052 A0 IT7919052 A0 IT 7919052A0
Authority
IT
Italy
Prior art keywords
processing
screw extruder
thermoplastic materials
continuous screw
continuous
Prior art date
Application number
IT7919052A
Other languages
English (en)
Other versions
IT1109921B (it
Inventor
Martin Gerhard
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT7919052A0 publication Critical patent/IT7919052A0/it
Application granted granted Critical
Publication of IT1109921B publication Critical patent/IT1109921B/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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/254—Sealing 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/927—Seal including fluid pressure differential feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
IT19052/79A 1978-01-07 1979-01-04 Estrusore continuo a coclea per la lavorazione di materie termoplastiche IT1109921B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2800632A DE2800632C3 (de) 1978-01-07 1978-01-07 Schneckenstrangpresse für thermoplastische Kunststoffe

Publications (2)

Publication Number Publication Date
IT7919052A0 true IT7919052A0 (it) 1979-01-04
IT1109921B IT1109921B (it) 1985-12-23

Family

ID=6029129

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19052/79A IT1109921B (it) 1978-01-07 1979-01-04 Estrusore continuo a coclea per la lavorazione di materie termoplastiche

Country Status (6)

Country Link
US (1) US4265547A (it)
JP (1) JPS54101863A (it)
DE (1) DE2800632C3 (it)
FR (1) FR2413965A1 (it)
GB (1) GB2012203A (it)
IT (1) IT1109921B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668296A5 (de) * 1980-09-12 1988-12-15 Barmag Barmer Maschf Austragspumpe zum austragen von schmelzfluessigen polymeren.
DE3805748A1 (de) * 1988-02-24 1989-09-07 Berstorff Gmbh Masch Hermann Verfahren und einrichtung zur aufrechterhaltung eines rueckwaertsentgasungsvorganges an einem einschneckenextruder
GB8908127D0 (en) * 1989-04-11 1989-05-24 Shaw Francis & Co Ltd Mixer and a method of a mixer control
DE4017724C1 (it) * 1990-06-01 1991-03-07 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
EP0527225B1 (en) * 1991-03-04 1998-01-28 The Dow Chemical Company Method of improving the oxidative thermal stability of ethylene polymers
CN104228029A (zh) * 2013-06-18 2014-12-24 国恩工业股份有限公司 具有真空进料装置的压出机
US20150064297A1 (en) * 2013-08-30 2015-03-05 Ko Win Yang Industrial Co., Ltd Extruder having a vacuum feeder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1677119A (en) * 1925-07-25 1928-07-10 James W Fuller Apparatus for conveying pulverized material
US2064703A (en) * 1934-12-06 1936-12-15 Research Corp Shaft seal for high vacuum chambers
US2432734A (en) * 1944-12-16 1947-12-16 Filtrol Corp Extrusion device for forming pellets
US2835514A (en) * 1954-03-03 1958-05-20 Ingersoll Rand Co Rotary shaft seal
US3177527A (en) * 1962-07-16 1965-04-13 Crompton & Knowles Corp Extrusion apparatus with continuous stock infeed
FR1480444A (fr) * 1965-05-04 1967-05-12 Lavorazione Mat Plast Appareil pour la fabrication de fibres textiles à partir de polymères thermoplastiques linéaires
DE1930540U (de) * 1965-05-28 1966-01-05 Barmag Barmer Maschf Schneckenpresse zur verarbeitung thermoplastischer, insbesondere bereits vorplastifizierter bzw. frisch erschmolzener kunststoffe.
US3376603A (en) * 1966-05-20 1968-04-09 Lavorazione Mat Plast Apparatus for manufacturing synthetic textile fibers
DE2203759B1 (de) * 1972-01-24 1973-08-16 Mannesmann Meer AG, 4050 Monchenglad bach Entgasungseinrichtung fuer eine schneckenstrangpresse zur verarbeitung von kunststoffen und gummi
DE2527365A1 (de) * 1975-06-19 1976-12-30 Berstorff Gmbh Masch Hermann Axialdrucklagerung fuer eine schnecke einer schneckenpresse
US4014555A (en) * 1976-02-03 1977-03-29 Jean Louis Jacottet Hydrostatic sealing device

Also Published As

Publication number Publication date
US4265547A (en) 1981-05-05
JPS54101863A (en) 1979-08-10
DE2800632C3 (de) 1981-02-19
IT1109921B (it) 1985-12-23
FR2413965A1 (fr) 1979-08-03
DE2800632A1 (de) 1979-07-12
FR2413965B1 (it) 1984-02-17
DE2800632B2 (de) 1980-06-19
GB2012203A (en) 1979-07-25

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