BR8100974A - Parafuso extrusor de plastificacao - Google Patents

Parafuso extrusor de plastificacao

Info

Publication number
BR8100974A
BR8100974A BR8100974A BR8100974A BR8100974A BR 8100974 A BR8100974 A BR 8100974A BR 8100974 A BR8100974 A BR 8100974A BR 8100974 A BR8100974 A BR 8100974A BR 8100974 A BR8100974 A BR 8100974A
Authority
BR
Brazil
Prior art keywords
plastification
extruder screw
extruder
screw
plastification extruder
Prior art date
Application number
BR8100974A
Other languages
English (en)
Inventor
W Willert
Original Assignee
Willert W Inc
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 Willert W Inc filed Critical Willert W Inc
Publication of BR8100974A publication Critical patent/BR8100974A/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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
    • B29B7/429—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
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
BR8100974A 1980-02-19 1981-02-18 Parafuso extrusor de plastificacao BR8100974A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/122,414 US4330214A (en) 1980-02-19 1980-02-19 Plasticizing screw

Publications (1)

Publication Number Publication Date
BR8100974A true BR8100974A (pt) 1981-08-25

Family

ID=22402600

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8100974A BR8100974A (pt) 1980-02-19 1981-02-18 Parafuso extrusor de plastificacao

Country Status (4)

Country Link
US (1) US4330214A (pt)
EP (1) EP0034505A3 (pt)
JP (1) JPS56135045A (pt)
BR (1) BR8100974A (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632795A (en) * 1982-11-26 1986-12-30 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of cellulose bearing materials
GB2131342B (en) * 1982-11-26 1986-12-31 Wenger Mfg Method and apparatus for extrusion of cellulose or fibre containing materials
CH649738A5 (fr) * 1982-12-21 1985-06-14 Maillefer Sa Extrudeuse a vis pour matieres plastiques.
JPS61227003A (ja) * 1985-04-01 1986-10-09 Toshiba Mach Co Ltd サブフライトを備えたプラスチツク成形用スクリユ
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw
US4964730A (en) * 1986-08-19 1990-10-23 Alzner Bernard G Plasticating extruder screw
WO1988001227A1 (en) * 1986-08-19 1988-02-25 Alzner Bernard G Plasticising extruder screw
US4802140A (en) * 1987-04-29 1989-01-31 Eastman Kodak Company Method and molding screw for injection molding
US4770539A (en) * 1987-07-06 1988-09-13 Husky Injection Molding Systems Ltd. Barrier screw
US4944906A (en) * 1988-10-11 1990-07-31 Spirex Corporation Methods of injection molding and extruding wet hygroscopic ionomers
JPH0381775A (ja) * 1989-08-25 1991-04-08 Bando Chem Ind Ltd 積層型有機感光体
BE1003508A6 (nl) * 1990-01-26 1992-04-07 Euro Stel Nieuw konceptontwikkeling voor hogere opsmeltkapaciteit bij extruder en spuitgietmachine.
FR2664197B1 (fr) * 1990-07-06 1994-05-06 Clextral Fourreau pour machine d'extrusion de matieres.
US5215764A (en) * 1991-06-10 1993-06-01 Westland Corporation Extruder mixing screw
US6017145A (en) * 1994-12-30 2000-01-25 The Dow Chemical Company Extruder screw
US6132075A (en) * 1998-09-25 2000-10-17 Hpm Corporation Multichannel wave screw with a slush channel barrier section
US6234659B1 (en) 1998-09-25 2001-05-22 Hpm Corporation Surge suppressor for vented injection molding machine screw
US6056430A (en) * 1998-09-25 2000-05-02 Hpm Corporation Plasticating apparatus having a multichannel wave screw with a cross channel solids transition
US7014353B2 (en) * 2002-02-25 2006-03-21 New Castle Industries, Inc. Plasticating screw and apparatus
US6921190B2 (en) * 2003-04-22 2005-07-26 Mgs Mfg. Group Inc. Injector with improved small shot metering
US7032843B1 (en) 2003-04-24 2006-04-25 Westland Corporation U.S.A., Inc. Mixing nozzle
CN1787905B (zh) * 2003-06-19 2011-03-23 赫斯基注射器成型系统有限公司 用于塑化螺杆的改进的混合部
US8177413B2 (en) * 2010-03-05 2012-05-15 Chung Chan I Scientifically designed barrier screw
GB201102035D0 (en) * 2011-02-04 2011-03-23 Zephyros Inc Improvements in or relating to extrusion
CN103101180B (zh) * 2013-03-09 2014-12-10 广东达诚机械有限公司 单螺杆挤出机的螺杆
DE112015000414T5 (de) * 2014-01-17 2016-12-08 Reifenhäuser GmbH & Co. KG Maschinenfabrik Mischbereich für eine Extruderschnecke für Plastik
IT201700023340A1 (it) * 2017-03-02 2018-09-02 Semplice S P A Vite di estrusione, particolarmente per macchine di estrusione monovite.
CN107756761A (zh) * 2017-11-21 2018-03-06 南京科森挤出装备有限公司 平行双螺杆锥度螺纹套和锥孔筒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017580A1 (de) * 1970-04-13 1971-10-28 Barmag Barmer Maschf Schneckenstrangpresse mit einer eingängigen, eine erhöhte Scherung bewirkenden Schnecke
US3989941A (en) * 1972-09-28 1976-11-02 Midland-Ross Corporation Extruder and screw therefor for effecting transverse currents in work material handled thereby
US3858856A (en) * 1973-01-26 1975-01-07 John S Hsu Extruder screw
US4000884A (en) * 1975-07-25 1977-01-04 Chung Chan I Extruder screw
US4128341A (en) * 1977-04-29 1978-12-05 Ingersoll-Rand Co. Extruder screw
US4227870A (en) * 1979-03-14 1980-10-14 The B. F. Goodrich Company Apparatus for working rubber compounds

Also Published As

Publication number Publication date
EP0034505A2 (en) 1981-08-26
JPS56135045A (en) 1981-10-22
EP0034505A3 (en) 1981-09-09
US4330214A (en) 1982-05-18

Similar Documents

Publication Publication Date Title
BR8100974A (pt) Parafuso extrusor de plastificacao
BR8103275A (pt) Parafuso de extrusao
DK141783D0 (da) Ekstruderingsvaerktoej
ES267672Y (es) Tornillo extrusor para extruir polimeros.
NO813205L (no) Ekstruderingsdyse
IT1136869B (it) Dispositivo cambiavaglio per estrusori
DE3165650D1 (de) Adjustable extrusion die
DE3854984T2 (de) Schneckenstrangpresse
BR8206195A (pt) Composicao de moldagem termoplastica
AT375298B (de) Doppelschneckenextrudergetriebe
DK26383A (da) Friktionsaktiveret ekstrusion
DE3173193D1 (de) Extrusion die
ES258959Y (es) Tornillo de taladrar
DK328283D0 (da) Ekstrudermundstykke
BR8402449A (pt) Extrusora de puncao
BR8101815A (pt) Composicao de moldagem termoplastica
FI803964L (fi) Extruder foer framstaellning av plastroer
DK238482A (da) Roerformet plastgenstand
IT8304968V0 (it) Dispositivo per il degasaggio dimateriale plastico di estrusori
FI823885L (fi) Extruder foer plastmaterial
DK537683D0 (da) Friktionsaktiveret ekstrusion
NO832605L (no) Ekstruderingsinnretning
AT384991B (de) Doppelschneckenextruder
JPS54143469A (en) Screw for plastics extruder
ATA321180A (de) Kunststoff-schneckenmischer