DE1779122B2 - Schnecken-spritzgiessvorrichtung fuer thermoplastische kunststoffe mit einem hohen gehalt an fluechtigen stoffen - Google Patents

Schnecken-spritzgiessvorrichtung fuer thermoplastische kunststoffe mit einem hohen gehalt an fluechtigen stoffen

Info

Publication number
DE1779122B2
DE1779122B2 DE19681779122 DE1779122A DE1779122B2 DE 1779122 B2 DE1779122 B2 DE 1779122B2 DE 19681779122 DE19681779122 DE 19681779122 DE 1779122 A DE1779122 A DE 1779122A DE 1779122 B2 DE1779122 B2 DE 1779122B2
Authority
DE
Germany
Prior art keywords
screw
zone
injection molding
degassing
plasticizing
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.)
Ceased
Application number
DE19681779122
Other languages
German (de)
English (en)
Other versions
DE1779122A1 (de
Inventor
Isidoro Camerlata Como; Miani Mario Rho Mailand; Ronzoni (Italien)
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.)
Montedison SpA
Original Assignee
Montecatini Edison SpA
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 Montecatini Edison SpA filed Critical Montecatini Edison SpA
Publication of DE1779122A1 publication Critical patent/DE1779122A1/de
Publication of DE1779122B2 publication Critical patent/DE1779122B2/de
Ceased 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/63—Venting or 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • B29C2045/605—Screws comprising a zone or shape enhancing the degassing of the plastic material
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/004—Back pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE19681779122 1967-07-17 1968-07-10 Schnecken-spritzgiessvorrichtung fuer thermoplastische kunststoffe mit einem hohen gehalt an fluechtigen stoffen Ceased DE1779122B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1847567 1967-07-17

Publications (2)

Publication Number Publication Date
DE1779122A1 DE1779122A1 (de) 1971-09-09
DE1779122B2 true DE1779122B2 (de) 1977-01-27

Family

ID=11152913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681779122 Ceased DE1779122B2 (de) 1967-07-17 1968-07-10 Schnecken-spritzgiessvorrichtung fuer thermoplastische kunststoffe mit einem hohen gehalt an fluechtigen stoffen

Country Status (5)

Country Link
US (1) US3599292A (enExample)
BE (1) BE718126A (enExample)
DE (1) DE1779122B2 (enExample)
FR (1) FR1581668A (enExample)
NL (1) NL6809627A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638840A1 (de) * 1975-08-30 1977-03-17 Chang Shao Chi Verfahren zur herstellung von gussprodukten aus polyaethylenterephthalat

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH523138A (fr) * 1970-05-08 1972-05-31 Sig Schweiz Industrieges Extrudeuse
DE2934147A1 (de) * 1979-08-23 1981-03-12 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg Entgasungs-schneckenspritzgiessmaschine
US4490104A (en) * 1982-11-22 1984-12-25 Borg-Warner Chemicals, Inc. Apparatus for separating a low viscosity material from a high _viscosity material
DE3310676A1 (de) * 1983-03-24 1984-09-27 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zum entfernen von fluechtigen anteilen aus polymerenschmelzen oder paste
IT1185629B (it) * 1985-05-31 1987-11-12 Pirelli Cavi Spa Dispositivo granulatore
DE3637775A1 (de) * 1986-11-06 1988-05-19 Kwm Kunststoffmaschinen Gmbh Vorrichtung zum kontinuierlichen entgasen eines gemisches aus polymeren bindemitteln und fuellstoffen und/oder fasern
DE3818003A1 (de) * 1988-05-27 1989-11-30 Kwm Kunststoffmaschinen Gmbh Vorrichtung zum kontinuierlichen entgasen eines gemisches aus polymeren bindemitteln und fuellstoffen und/oder fasern
US5123828A (en) * 1991-04-24 1992-06-23 Cincinnati Milacron Inc. Extruder vent having recessed vent passageway opening
EP0740603B1 (en) * 1994-01-19 1998-11-04 The Dow Chemical Company Single-screw extruder method and apparatus
JP2966735B2 (ja) * 1994-07-29 1999-10-25 積水化成品工業株式会社 熱可塑性樹脂押出機
US5868991A (en) * 1996-07-26 1999-02-09 Kimberly-Clark Worldwide, Inc. Method for low temperature injection molding of hydrodisintegratable compositions
JP4092444B2 (ja) * 1997-12-04 2008-05-28 ミサワホーム株式会社 成形品製造方法および成形品製造用混練装置
US6132075A (en) * 1998-09-25 2000-10-17 Hpm Corporation Multichannel wave screw with a slush channel barrier section
US6056430A (en) * 1998-09-25 2000-05-02 Hpm Corporation Plasticating apparatus having a multichannel wave screw with a cross channel solids transition
US6234659B1 (en) 1998-09-25 2001-05-22 Hpm Corporation Surge suppressor for vented injection molding machine screw
DE10146851A1 (de) * 2001-09-24 2003-04-10 Manfred Schaefer Verfahren zur Verarbeitung von Kunststoffpartikeln und Plastifizierschnecke für ein solches Verfahren
US7320583B2 (en) * 2003-04-16 2008-01-22 Frito-Lay North America, Inc Apparatus and method for producing colored extruded food products
US20090099568A1 (en) * 2007-08-07 2009-04-16 David Lowry Device and method for variably adjusting intervertebral distraction and lordosis
CN102776579B (zh) * 2012-03-22 2014-08-06 上海罗洋新材料科技有限公司 一种连续式可调控的水汽密封型双螺杆挤出机
CN102650078B (zh) * 2012-03-22 2014-12-03 上海罗洋新材料科技有限公司 一种水汽密封型双螺杆挤出机
CN102797050B (zh) * 2012-03-22 2015-04-08 上海罗洋新材料科技有限公司 一种高强高模聚乙烯醇纤维的熔融纺丝方法
CN102776578B (zh) * 2012-03-22 2014-08-06 上海罗洋新材料科技有限公司 一种连续式水汽密封型双螺杆挤出机
JP7229065B2 (ja) * 2019-03-27 2023-02-27 住友重機械工業株式会社 射出成形機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478842A (en) * 1922-05-23 1923-12-25 Chambers Brothers Co Method and means for working clay
US2378539A (en) * 1940-06-04 1945-06-19 Dawihl Walther Process of making shaped bodies capable of being sintered
NL125936C (enExample) * 1961-06-20 1900-01-01
US3151192A (en) * 1961-07-24 1964-09-29 Sun Chemical Corp Method of extruding a foamed thermoplastic product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638840A1 (de) * 1975-08-30 1977-03-17 Chang Shao Chi Verfahren zur herstellung von gussprodukten aus polyaethylenterephthalat
DE2638840C2 (de) * 1975-08-30 1983-12-22 Chang Shao Shizuoka Chi Verfahren zur Herstellung von Produkten aus Polyäthylenterephthalat

Also Published As

Publication number Publication date
US3599292A (en) 1971-08-17
BE718126A (enExample) 1969-01-16
NL6809627A (enExample) 1969-01-21
DE1779122A1 (de) 1971-09-09
FR1581668A (enExample) 1969-09-19

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