ES378738A1 - Perfeccionamientos en extrusoras para productos de materialplastico. - Google Patents

Perfeccionamientos en extrusoras para productos de materialplastico.

Info

Publication number
ES378738A1
ES378738A1 ES378738A ES378738A ES378738A1 ES 378738 A1 ES378738 A1 ES 378738A1 ES 378738 A ES378738 A ES 378738A ES 378738 A ES378738 A ES 378738A ES 378738 A1 ES378738 A1 ES 378738A1
Authority
ES
Spain
Prior art keywords
series
extrusion
plastics materials
extruder head
screw
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
ES378738A
Other languages
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
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 Montedison SpA, Montecatini Edison SpA filed Critical Montedison SpA
Publication of ES378738A1 publication Critical patent/ES378738A1/es
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
ES378738A 1969-04-18 1970-04-17 Perfeccionamientos en extrusoras para productos de materialplastico. Expired ES378738A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES378738A1 true ES378738A1 (es) 1973-02-01

Family

ID=11148196

Family Applications (1)

Application Number Title Priority Date Filing Date
ES378738A Expired ES378738A1 (es) 1969-04-18 1970-04-17 Perfeccionamientos en extrusoras para productos de materialplastico.

Country Status (7)

Country Link
BE (1) BE749106A (es)
DE (2) DE2017710A1 (es)
ES (1) ES378738A1 (es)
FR (1) FR2043279A5 (es)
GB (1) GB1314873A (es)
NL (1) NL7005165A (es)
YU (1) YU33901B (es)

Families Citing this family (11)

* 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
AU602948B2 (en) * 1986-12-06 1990-11-01 Prosyma Research Limited Fibre reinforced polymer compositions and process and apparatus for production thereof
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 (en) 2002-10-02 2011-08-16 Mold-Masters Limited Mixing device
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
CA2843392C (en) 2014-02-19 2020-08-25 Redetec Inc. Apparatus for extruding plastic materials

Also Published As

Publication number Publication date
DE7013580U (de) 1970-07-16
YU33901B (en) 1978-06-30
FR2043279A5 (es) 1971-02-12
NL7005165A (es) 1970-10-20
YU100270A (en) 1977-12-31
DE2017710A1 (de) 1970-10-22
GB1314873A (en) 1973-04-26
BE749106A (fr) 1970-10-19

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