DE7013580U - Verbesserter extruder zur vermeidung von marmorierungseffekten bei extrudierten kunststoffgegenstaenden. - Google Patents

Verbesserter extruder zur vermeidung von marmorierungseffekten bei extrudierten kunststoffgegenstaenden.

Info

Publication number
DE7013580U
DE7013580U DE7013580U DE7013580U DE7013580U DE 7013580 U DE7013580 U DE 7013580U DE 7013580 U DE7013580 U DE 7013580U DE 7013580 U DE7013580 U DE 7013580U DE 7013580 U DE7013580 U DE 7013580U
Authority
DE
Germany
Prior art keywords
extruder
screw
tob
angle
marbling
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
DE7013580U
Other languages
German (de)
English (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.)
Montedison SpA
Original Assignee
Montedison 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 Montedison SpA filed Critical Montedison SpA
Publication of DE7013580U publication Critical patent/DE7013580U/de
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
    • 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
    • B29C45/581—Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices
    • 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
    • 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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE7013580U 1969-04-18 1970-04-14 Verbesserter extruder zur vermeidung von marmorierungseffekten bei extrudierten kunststoffgegenstaenden. Expired DE7013580U (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1574069 1969-04-18

Publications (1)

Publication Number Publication Date
DE7013580U true DE7013580U (de) 1970-07-16

Family

ID=11148196

Family Applications (2)

Application Number Title Priority Date Filing Date
DE7013580U Expired DE7013580U (de) 1969-04-18 1970-04-14 Verbesserter extruder zur vermeidung von marmorierungseffekten bei extrudierten kunststoffgegenstaenden.
DE19702017710 Pending DE2017710A1 (de) 1969-04-18 1970-04-14 Verbesserter Extruder zur Vermeidung von Marmorierungseffekten bei extrudierten Kunststoffgegenständen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19702017710 Pending DE2017710A1 (de) 1969-04-18 1970-04-14 Verbesserter Extruder zur Vermeidung von Marmorierungseffekten bei extrudierten Kunststoffgegenständen

Country Status (7)

Country Link
BE (1) BE749106A (fr)
DE (2) DE7013580U (fr)
ES (1) ES378738A1 (fr)
FR (1) FR2043279A5 (fr)
GB (1) GB1314873A (fr)
NL (1) NL7005165A (fr)
YU (1) YU33901B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015123757A1 (fr) 2014-02-19 2015-08-27 Redetec Inc. Appareil pour l'extrusion de matières plastiques

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173446A (en) * 1977-07-21 1979-11-06 Phillips Petroleum Company Choke ring for pipe extrusion die
JPH0637725B2 (ja) * 1985-01-19 1994-05-18 工業技術院長 炭素繊維の製法
CA1315510C (fr) * 1986-12-06 1993-04-06 Stephen F. Bush Compositions polymeres renforcees de fibres et procede et appareil de production connexe
DE3827772A1 (de) * 1988-08-16 1990-02-22 Thomas Paul Engel Vorrichtung und verfahren zur formgebung von halbzeug aus hochmolekularen kunststoffen
GB8901204D0 (en) * 1989-01-19 1989-03-15 Polysystem Machinery Mfg Blown-film extrusion die
JP3016231U (ja) * 1994-05-31 1995-09-26 モートン インターナショナル，インコーポレイティド ガス発生剤粒子の押出成形機のダイインサート及びダイ装置
AT5617U1 (de) 2001-09-17 2002-09-25 Technoplast Kunststofftechnik Adapter für einen extruder
CA2443483C (fr) 2002-10-02 2011-08-16 Mold-Masters Limited Dispositif melangeur
DE102004009320A1 (de) 2003-02-26 2004-11-18 Mold-Masters Ltd., Georgetown Heißläuferverteiler-Stopfen für einen rheologischen Ausgleich beim Heißläufer-Spritzgießen
US7614872B2 (en) * 2005-10-04 2009-11-10 Mold-Masters (2007) Limited Melt redistribution element for an injection molding apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015123757A1 (fr) 2014-02-19 2015-08-27 Redetec Inc. Appareil pour l'extrusion de matières plastiques
US10744697B2 (en) 2014-02-19 2020-08-18 Redetec Inc. Apparatus for extruding plastic materials
EP3107707B1 (fr) * 2014-02-19 2022-04-20 REDETEC Inc. Appareil pour l'extrusion de matières plastiques

Also Published As

Publication number Publication date
YU33901B (en) 1978-06-30
DE2017710A1 (de) 1970-10-22
NL7005165A (fr) 1970-10-20
GB1314873A (en) 1973-04-26
BE749106A (fr) 1970-10-19
FR2043279A5 (fr) 1971-02-12
ES378738A1 (es) 1973-02-01
YU100270A (en) 1977-12-31

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