[go: up one dir, main page]

BR9000255A - Carretel de matriz para extrusao de materiais temoplasticos,conjunto de carretel de matriz aparelho de extrusao de termoplasticos e processo de formacao de produtos de termoplastico extrusado - Google Patents

Carretel de matriz para extrusao de materiais temoplasticos,conjunto de carretel de matriz aparelho de extrusao de termoplasticos e processo de formacao de produtos de termoplastico extrusado

Info

Publication number
BR9000255A
BR9000255A BR909000255A BR9000255A BR9000255A BR 9000255 A BR9000255 A BR 9000255A BR 909000255 A BR909000255 A BR 909000255A BR 9000255 A BR9000255 A BR 9000255A BR 9000255 A BR9000255 A BR 9000255A
Authority
BR
Brazil
Prior art keywords
extrusion
formation
thermoplastic
matrix reel
temoplastic
Prior art date
Application number
BR909000255A
Other languages
English (en)
Inventor
John F Burrafato
Robert E Hooper
Original Assignee
Hoechst Celanese Corp
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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of BR9000255A publication Critical patent/BR9000255A/pt

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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2562—Mounting or handling of the die
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BR909000255A 1989-01-30 1990-01-23 Carretel de matriz para extrusao de materiais temoplasticos,conjunto de carretel de matriz aparelho de extrusao de termoplasticos e processo de formacao de produtos de termoplastico extrusado BR9000255A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/303,215 US4913863A (en) 1989-01-30 1989-01-30 Split extrusion die assembly for thermoplastic materials and methods of using the same

Publications (1)

Publication Number Publication Date
BR9000255A true BR9000255A (pt) 1990-11-20

Family

ID=23171048

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909000255A BR9000255A (pt) 1989-01-30 1990-01-23 Carretel de matriz para extrusao de materiais temoplasticos,conjunto de carretel de matriz aparelho de extrusao de termoplasticos e processo de formacao de produtos de termoplastico extrusado

Country Status (6)

Country Link
US (1) US4913863A (pt)
EP (1) EP0381402A3 (pt)
JP (1) JPH02258322A (pt)
CN (1) CN1044615A (pt)
BR (1) BR9000255A (pt)
CA (1) CA2007069A1 (pt)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028116A1 (de) * 1989-10-31 1991-05-02 Theysohn Friedrich Fa Kalibriereinheit mit integriertem gelenk fuer einen extruder fuer kunststoffprofile
IT1245461B (it) * 1991-03-15 1994-09-20 Firestone Int Dev Spa Dispositivo di estrusione per la realizzazione di fasce armate per pneumatici di veicoli stradali
US5476622A (en) * 1992-06-12 1995-12-19 Martin Marietta Energy Systems, Inc. Method and apparatus for making articles from particle based materials
US5342187A (en) * 1992-10-27 1994-08-30 U.S. Polymers, Inc. Extrusion system having after/former means for reshaping tube of extrudant
US5778598A (en) * 1992-10-27 1998-07-14 U.S. Polymers, Inc. Shutter door assembly
US5288218A (en) * 1993-02-11 1994-02-22 Mikron Industries Extrusion calibrator
US5468442A (en) * 1994-05-25 1995-11-21 Brabor S.R.L. Apparatus and process for gauging and controlling extruded profiled elements
US5626807A (en) * 1995-07-06 1997-05-06 Tri-Seal International, Inc. Method for making retaining wall members
US5851469A (en) * 1995-12-27 1998-12-22 Trex Company, L.L.C. Process for making a wood-thermoplastic composite
DE19711008A1 (de) * 1997-03-05 1998-09-17 Gewerk Schalker Eisenhuette Extrudiervorrichtung
AT410650B (de) * 1998-04-27 2003-06-25 Greiner Extrusionstechnik Gmbh Kalibriervorrichtung mit zumindest einem kalibrierwerkzeug
RU2180287C2 (ru) * 1999-02-22 2002-03-10 Панов Александр Константинович Многоручьевая экструзионная головка для изготовления полимерного мебельного полозка
DE19934871A1 (de) * 1999-07-24 2001-06-21 Wolfgang Brenning Extrusionswerkzeug
RU2189314C2 (ru) * 2000-06-26 2002-09-20 Закрытое акционерное общество "Каустик" Двухканальная экструзионная головка для изготовления полимерной облицовочной рейки
US6518747B2 (en) 2001-02-16 2003-02-11 Quantum Design, Inc. Method and apparatus for quantitative determination of accumulations of magnetic particles
RU2194618C2 (ru) * 2001-02-22 2002-12-20 Уфимский государственный нефтяной технический университет Трехручьевая экструзионная головка для изготовления полимерного строительного штапика
US20070169417A1 (en) * 2003-06-04 2007-07-26 Ellis Peter J Rigid plastic glass run channel
JP4110047B2 (ja) * 2003-06-10 2008-07-02 キヤノン株式会社 像加熱装置
US20060113441A2 (en) * 2004-04-01 2006-06-01 Trex Company, Inc. Methods and Apparatuses for Assembling Railings
RU2266820C1 (ru) * 2004-04-26 2005-12-27 Зао "Каучук" Двухканальная экструзионная головка для изготовления полимерного строительного наличника
US20050266210A1 (en) * 2004-06-01 2005-12-01 Blair Dolinar Imprinted wood-plastic composite, apparatus for manufacturing same, and related method of manufacture
US7410687B2 (en) * 2004-06-08 2008-08-12 Trex Co Inc Variegated composites and related methods of manufacture
JP4192170B2 (ja) * 2005-09-13 2008-12-03 株式会社日本製鋼所 押出機およびそのシリンダ交換方法
RU2326763C2 (ru) * 2005-12-28 2008-06-20 Александр Константинович Панов Двухканальная экструзионная головка для изготовления полимерной строительно-монтажной профильной рейки
RU2331516C2 (ru) * 2006-02-06 2008-08-20 Александр Константинович Панов Многоканальная экструзионная головка для изготовления полимерной строительной профильной рамной планки
RU2338643C1 (ru) * 2007-05-04 2008-11-20 Государственное образовательное учреждение высшего профессионального образования Уфимский государственный авиационный технический университет Двухканальная экструзионная головка для изготовления полимерной строительной профильной рейки
US20110017504A1 (en) * 2009-07-23 2011-01-27 Keith Bryan Hardin Z-Directed Ferrite Bead Components for Printed Circuit Boards
US8735734B2 (en) * 2009-07-23 2014-05-27 Lexmark International, Inc. Z-directed delay line components for printed circuit boards
US8198547B2 (en) 2009-07-23 2012-06-12 Lexmark International, Inc. Z-directed pass-through components for printed circuit boards
US20110017502A1 (en) * 2009-07-23 2011-01-27 Keith Bryan Hardin Z-Directed Components for Printed Circuit Boards
RU2440242C1 (ru) * 2010-07-15 2012-01-20 Государственное образовательное учреждение высшего профессионального образования Уфимский государственный авиационный технический университет Двухканальная экструзионная головка для изготовления полимерной облицовочной рейки синусоидального профиля
US8790520B2 (en) 2011-08-31 2014-07-29 Lexmark International, Inc. Die press process for manufacturing a Z-directed component for a printed circuit board
US8658245B2 (en) 2011-08-31 2014-02-25 Lexmark International, Inc. Spin coat process for manufacturing a Z-directed component for a printed circuit board
US8752280B2 (en) * 2011-09-30 2014-06-17 Lexmark International, Inc. Extrusion process for manufacturing a Z-directed component for a printed circuit board
US9078374B2 (en) 2011-08-31 2015-07-07 Lexmark International, Inc. Screening process for manufacturing a Z-directed component for a printed circuit board
US8943684B2 (en) * 2011-08-31 2015-02-03 Lexmark International, Inc. Continuous extrusion process for manufacturing a Z-directed component for a printed circuit board
US9009954B2 (en) 2011-08-31 2015-04-21 Lexmark International, Inc. Process for manufacturing a Z-directed component for a printed circuit board using a sacrificial constraining material
US8830692B2 (en) 2012-03-29 2014-09-09 Lexmark International, Inc. Ball grid array systems for surface mounting an integrated circuit using a Z-directed printed circuit board component
US8912452B2 (en) 2012-03-29 2014-12-16 Lexmark International, Inc. Z-directed printed circuit board components having different dielectric regions
US8822838B2 (en) 2012-03-29 2014-09-02 Lexmark International, Inc. Z-directed printed circuit board components having conductive channels for reducing radiated emissions
US8822840B2 (en) 2012-03-29 2014-09-02 Lexmark International, Inc. Z-directed printed circuit board components having conductive channels for controlling transmission line impedance
US9358599B2 (en) 2013-05-28 2016-06-07 Gyre Innovations Lp Apparatus for producing a tubular structure
JP6526454B2 (ja) * 2015-03-17 2019-06-05 住友ゴム工業株式会社 ゴムストリップ押出機、カレンダーヘッド部、および押出ヘッド
EP3597393B1 (en) * 2017-04-05 2022-07-13 Pablo Rodriguez Outon Extrusion device for the processing of plastics, which can be coupled to systems for supplying thermosetting and thermoplastic polymers
WO2020208753A1 (ja) * 2019-04-10 2020-10-15 日本碍子株式会社 押出成形機、及び成形体の製造方法
CZ2020389A3 (cs) * 2020-07-02 2022-01-12 Univerzita Tomáše Bati ve Zlíně Vytlačovací hlava s inertní výstupní štěrbinou, zejména pro vysoké výstupní rychlosti polymerních tavenin
JP7402778B2 (ja) * 2020-10-12 2023-12-21 日本碍子株式会社 押出成形機及び成形体の製造方法
JP7394043B2 (ja) * 2020-10-12 2023-12-07 日本碍子株式会社 押出成形機及び成形体の製造方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443053A (en) * 1943-03-20 1948-06-08 Wheeling Stamping Co Method of and apparatus for manufacturing hollow plastic articles
US2402281A (en) * 1943-10-11 1946-06-18 Lee B Green Extrusion molding
US2730760A (en) * 1954-10-06 1956-01-17 Lane Company Inc Extrusion apparatus
US3194868A (en) * 1963-09-20 1965-07-13 Clement D Shaw Process and apparatus for molding thermosetting material
FR1378022A (fr) * 1963-01-21 1964-11-13 Etablissements Rennepont Soc D Procédé et machine pour la fabrication d'agglomérés à liant thermodurcissable et produits obtenus
US3422493A (en) * 1966-08-26 1969-01-21 Nrm Corp Rotary induction heated extrusion die
US3507939A (en) * 1966-12-12 1970-04-21 Phillips Petroleum Co Plastic extrusion
US3483597A (en) * 1966-12-23 1969-12-16 Allied Chem Ram extrusion of granular resins
US3640659A (en) * 1968-08-01 1972-02-08 Bristol Myers Co Split die for extruding laminated tubing
DE1813010A1 (de) * 1968-12-06 1970-07-02 Basf Ag Extrusionsduese
US3632279A (en) * 1969-06-24 1972-01-04 Nrm Corp Extruder die clamp
DE1939248A1 (de) * 1969-08-01 1971-02-11 Metallgesellschaft Ag Anordnung zur Temperaturregelung von Schmelzextrudern
US3729280A (en) * 1969-12-10 1973-04-24 Hehl Karl Injection molding unit
US3775035A (en) * 1970-01-12 1973-11-27 Owens Illinois Inc Foam plastic extrusion apparatus with plurality of die lip temperature controls
US3767346A (en) * 1971-07-22 1973-10-23 Fmc Corp Film extrusion die
US3790328A (en) * 1972-04-10 1974-02-05 B Maxwell Apparatus for feeding elastic melt extruders
US3804574A (en) * 1972-12-07 1974-04-16 C Gatto Apparatus for sizing shaped articles
US3870451A (en) * 1973-04-30 1975-03-11 Beloit Corp Apparatus for extruding foamed thermoplastic material
US3981653A (en) * 1975-01-03 1976-09-21 General Electric Company Apparatus for the manufacture of an electrical conductor covered with a crosslink cured polymeric insulation
US4154783A (en) * 1975-05-14 1979-05-15 The Post Office Process for producing dielectric optical waveguides
US4145175A (en) * 1976-03-08 1979-03-20 Keltrol Enterprises, Inc. Extrusion apparatus
US4038018A (en) * 1976-06-21 1977-07-26 Fmc Corporation Apparatus for molding of filament-reinforced plastic rods
DE2836847A1 (de) * 1978-08-23 1980-03-06 Bayer Ag Volumenarme mehrwellenschneckenmaschinenaustrittsvorrichtung mit siebwechselvorrichtung
US4378964A (en) * 1980-01-08 1983-04-05 Trw Inc. Internally insulated extrusion die
US4332543A (en) * 1980-09-15 1982-06-01 Monsanto Company Extrusion die with melt flow control
US4439125A (en) * 1982-03-31 1984-03-27 The Firestone Tire & Rubber Company Adjustable die mechanism
DE3216918C2 (de) * 1982-05-06 1984-06-14 Dynamit Nobel Ag, 5210 Troisdorf Werkzeug für Extruder
JPS58212919A (ja) * 1982-06-07 1983-12-10 Idemitsu Petrochem Co Ltd 多層押出成形用ダイ
US4564350A (en) * 1982-06-10 1986-01-14 Thomas R. Vigil Plastic extruder assembly
US4465454A (en) * 1983-03-29 1984-08-14 Corning Glass Works Extrusion die
US4577485A (en) * 1983-12-23 1986-03-25 Parker-Hannifin Corporation Split back die segment
JPH0720658B2 (ja) * 1986-12-26 1995-03-08 タキロン株式会社 異型押出樹脂成型品の製造方法

Also Published As

Publication number Publication date
EP0381402A2 (en) 1990-08-08
JPH02258322A (ja) 1990-10-19
EP0381402A3 (en) 1991-07-17
US4913863A (en) 1990-04-03
CN1044615A (zh) 1990-08-15
CA2007069A1 (en) 1990-07-30

Similar Documents

Publication Publication Date Title
BR9000255A (pt) Carretel de matriz para extrusao de materiais temoplasticos,conjunto de carretel de matriz aparelho de extrusao de termoplasticos e processo de formacao de produtos de termoplastico extrusado
BR8403555A (pt) Aparelho de extrusao de matriz e processo para formacao de co-extrusao
MX165026B (es) Aparato de extrusion y metodo para extruir materiales termoplasticos
BR9204190A (pt) Composicao de poliolefina,processo para sua preparacao,e processo para fabricacao de produto para artigo
BR9203448A (pt) Processo para producao de polimeros e copolimeros afilados e produtos produzidos pelos mesmos
ATE230940T1 (de) Herstellung von extrudierten getreideprodukten mit einem schnellaufenden schneckenextruder
BR9003925A (pt) Processo continuo para a producao de uma composicao de polimero,aparelho e composicao de polimero
PT80277B (en) Process for making shaped crosslinkable extruded polymeric products and the corresponding extrusion apparatus
IT8321956A1 (it) Procedimento e dispositivo di estrusione per la produzione di profilati di una o parecchie miscele diverse di gomme o materie plastiche
BR9102053A (pt) Pelicula polimerica,processo para a producao de uma pelicula de multiplas camadas co-extrudada e pelicula de multiplas camadas
BR8106746A (pt) Processo para a extrusao de materiais de poliolefinas lineares
BR8603199A (pt) Processo e aparelho para formacao de produtos extrudados e produtos por eles produzidos
BR8803336A (pt) Extrusor para materiais polimericos
BR8203495A (pt) Aparelho e processo para a extrusao de um material polimero
BR8703194A (pt) Processo para producao de um produto extrudado de composicao de poliolefina reticulada retardadora de fogo
IT8621602A1 (it) Procedimento e dispositivo per avviare, con poca perdita di materiale, una pressa per estrusione multipla, per produrre profilati estrusi costituiti da diverse mescole di caucciu' o materia artificiale, ad esempio per strisce di battistrada o strisce laterali di pneumatici per veicoli
BR9205702A (pt) Composiçáo de moldagem termoplástica e processo para sua produçáo
BR9300041A (pt) Processo para truturar materias plasticas
BR8903123A (pt) Processo e extrusor para funcionalizar polimeros de hidrocarbonetos
BR8901407A (pt) Mistura de polimero termoplastico,processo para a sua preparacao,corpos moldados e materiais compostos
BR8902003A (pt) Aparelhagem para fabricacao por extrusao de tubos plasticos homogeneos e processo de fabricacao de tubos homogeneos por extrusao de materia plastica
BR9301665A (pt) Processo para moldagem por sopro ou extrusao de resina de poli-oxi-metileno e produto obtido pelo mesmo
IT1094421B (it) Processo ed apparecchiatura per la fabbricazione di oggetti cavi per estrusione soffiatura di materia plastica,chiusi e sterili
FI961540A7 (fi) Menetelmä suulakepuristettavan tuotteen ominaisuuksien säätämiseksi ja suulakepuristin
BR9303670A (pt) Material multicamada, e processo para sua formaçao