[go: up one dir, main page]

DE69417466D1 - Extruder - Google Patents

Extruder

Info

Publication number
DE69417466D1
DE69417466D1 DE69417466T DE69417466T DE69417466D1 DE 69417466 D1 DE69417466 D1 DE 69417466D1 DE 69417466 T DE69417466 T DE 69417466T DE 69417466 T DE69417466 T DE 69417466T DE 69417466 D1 DE69417466 D1 DE 69417466D1
Authority
DE
Germany
Prior art keywords
extruder
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 - Fee Related
Application number
DE69417466T
Other languages
English (en)
Other versions
DE69417466T2 (de
Inventor
Robert Edward Jerman
Paul Johnston Raymond
Sunil Satija
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Application granted granted Critical
Publication of DE69417466D1 publication Critical patent/DE69417466D1/de
Publication of DE69417466T2 publication Critical patent/DE69417466T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/41—Intermeshing counter-rotating 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE69417466T 1993-04-28 1994-04-25 Extruder Expired - Fee Related DE69417466T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/054,736 US5358681A (en) 1993-04-28 1993-04-28 Backseal extruder

Publications (2)

Publication Number Publication Date
DE69417466D1 true DE69417466D1 (de) 1999-05-06
DE69417466T2 DE69417466T2 (de) 1999-12-16

Family

ID=21993174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417466T Expired - Fee Related DE69417466T2 (de) 1993-04-28 1994-04-25 Extruder

Country Status (5)

Country Link
US (1) US5358681A (de)
EP (1) EP0623447B1 (de)
JP (1) JPH0788923A (de)
CA (1) CA2121765A1 (de)
DE (1) DE69417466T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709176A3 (de) * 1994-10-24 1997-01-02 Rohm & Haas Gegendruckregelvorrichtung für Doppelschneckenextruder
JP6550253B2 (ja) 2014-04-24 2019-07-24 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6527742B2 (ja) 2014-04-24 2019-06-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6639798B2 (ja) 2014-05-08 2020-02-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6639800B2 (ja) 2014-05-08 2020-02-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6639799B2 (ja) 2014-05-08 2020-02-05 東芝機械株式会社 混練装置および混練方法
JP6446234B2 (ja) * 2014-10-27 2018-12-26 東芝機械株式会社 押出機用スクリュ、スクリュエレメント、押出機および押出方法
JP6464025B2 (ja) 2015-04-28 2019-02-06 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6746278B2 (ja) 2015-04-28 2020-08-26 芝浦機械株式会社 押出機用スクリュ並びに押出機および押出方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23948E (en) * 1955-02-15 Material treating apparatus
US2615199A (en) * 1945-05-15 1952-10-28 Welding Engineers Material treating apparatus
BE506118A (de) * 1950-11-01 1900-01-01
FR1141054A (fr) * 1956-01-11 1957-08-26 Presse à vis pour pâtes alimentaires avec dispositif pour l'extraction de l'air de la masse de pâte
BE570207A (de) * 1957-08-15 1900-01-01
NL271404A (de) * 1960-11-15 1900-01-01
US3917507A (en) * 1971-02-22 1975-11-04 Welding Engineers Countercurrent combined liquid and vapor stripping in screw devolatilizer
DE2249328B1 (de) * 1972-10-07 1974-02-14 Werner & Pfleiderer, 7000 Stuttgart Extruder mit verstellbarer drosseleinrichtung
DE2357945C3 (de) * 1973-11-21 1980-04-03 Werner & Pfleiderer, 7000 Stuttgart Schneckenextruder zur kontinuierlichen Verarbeitung von plastischen Massen
US3993292A (en) * 1974-12-13 1976-11-23 W Bar E, Incorporated Apparatus for coagulating polymer latex emulsions
US4073773A (en) * 1976-12-30 1978-02-14 General Electric Company Melt polymerization method for making polyetherimides
JPS5945409B2 (ja) * 1979-04-13 1984-11-06 株式会社神戸製鋼所 連続混練機
JPS60259426A (ja) * 1984-06-05 1985-12-21 Ikegai Corp 押出機
DE3728442A1 (de) * 1987-08-26 1989-03-09 Werner & Pfleiderer Drosselvorrichtung fuer eine zweiwellige schneckenmaschine
DE68912642T2 (de) * 1988-05-17 1994-06-23 Japan Steel Works Ltd Extruder mit Vorrichtung zum Einstellen des Knetgrades.
DE3817941A1 (de) * 1988-05-27 1989-11-30 Rhodia Ag Extrusionsverfahren und ein-, zwei- oder mehrschneckenextruder
US4958006A (en) * 1988-06-28 1990-09-18 Union Carbide Chemicals And Plastics Inc. Fluidized bed product discharge process
US5205972A (en) * 1989-10-31 1993-04-27 E. I. Du Pont De Nemours And Company Process for incorporating organic fibrous fillers in elastomers
US5025044A (en) * 1989-10-31 1991-06-18 E. I. Du Pont De Nemours And Company Extrusion isolation of blends of rubber and asphalt
US5102958A (en) * 1989-12-22 1992-04-07 Exxon Chemical Patents Inc. Partially crosslinked elastomeric polymers and process for producing the same

Also Published As

Publication number Publication date
JPH0788923A (ja) 1995-04-04
CA2121765A1 (en) 1994-10-30
DE69417466T2 (de) 1999-12-16
EP0623447A1 (de) 1994-11-09
EP0623447B1 (de) 1999-03-31
US5358681A (en) 1994-10-25

Similar Documents

Publication Publication Date Title
BR9405832A (pt) Imidazoazinas
BR9407979A (pt) Extrusora dental
DE69331809D1 (de) Viskosimeter
DE59404564D1 (de) Kunststoffprofil
DE59407673D1 (de) 2-Oximino-2-phenyl-acetamide
DE69407633D1 (de) Extruder
DE69417466D1 (de) Extruder
DE59410180D1 (de) 4-Cyanophenyliminoheterocyclen
NO962648D0 (no) Kontinuerlig ekstrudering
DE69416246D1 (de) Granulator
FI935534A7 (fi) Teline
DE59408129D1 (de) Strangpressverfahren
ATA27893A (de) Kunststoff-beavertail
KR950011112U (ko) 압출용 금형
KR950011113U (ko) 압출용 금형
KR950005597U (ko) 치약압출기
NO931756L (no) Splitte/stableverktöy
FI730U1 (fi) Kaelke foer murbruk
ATE144907T1 (de) Rollbrett
DE59410298D1 (de) Hefeerntetank
NO941332D0 (no) Ekstruderingsanlegg
BR9304875A (pt) Varitorque
BR9301760A (pt) Stressímetro
FI946007A7 (fi) Fenyylitiofenyylisykloalkenyylihydroksiureat
FIU930091U0 (fi) Inbrottskyddselement

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee