CA1284413C - Method and apparatus for melting and conveying plasticated materials - Google Patents

Method and apparatus for melting and conveying plasticated materials

Info

Publication number
CA1284413C
CA1284413C CA000507662A CA507662A CA1284413C CA 1284413 C CA1284413 C CA 1284413C CA 000507662 A CA000507662 A CA 000507662A CA 507662 A CA507662 A CA 507662A CA 1284413 C CA1284413 C CA 1284413C
Authority
CA
Canada
Prior art keywords
flight
channel
shaft
section
diameter
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 - Lifetime
Application number
CA000507662A
Other languages
English (en)
French (fr)
Inventor
Robert F. Dray
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1284413C publication Critical patent/CA1284413C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/64—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
    • 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)
CA000507662A 1985-05-02 1986-04-25 Method and apparatus for melting and conveying plasticated materials Expired - Lifetime CA1284413C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72968485A 1985-05-02 1985-05-02
US729,684 1985-05-02

Publications (1)

Publication Number Publication Date
CA1284413C true CA1284413C (en) 1991-05-28

Family

ID=24932147

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000507662A Expired - Lifetime CA1284413C (en) 1985-05-02 1986-04-25 Method and apparatus for melting and conveying plasticated materials

Country Status (6)

Country Link
EP (1) EP0221141A1 (de)
JP (1) JPS62502677A (de)
CA (1) CA1284413C (de)
DE (1) DE3690220T1 (de)
GB (1) GB2184975B (de)
WO (1) WO1986006325A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964730A (en) * 1986-08-19 1990-10-23 Alzner Bernard G Plasticating extruder screw
JPS63291632A (ja) * 1987-05-25 1988-11-29 Mitsubishi Heavy Ind Ltd 可塑化スクリュ
JP2966735B2 (ja) * 1994-07-29 1999-10-25 積水化成品工業株式会社 熱可塑性樹脂押出機
JP4226745B2 (ja) 2000-01-18 2009-02-18 富士重工業株式会社 塗装樹脂製品の塗膜剥離装置
DE102012008023B4 (de) * 2012-04-21 2016-06-02 Kraussmaffei Technologies Gmbh Einschneckenextruder
EP3547853A4 (de) 2017-06-01 2020-08-05 Wenger Manufacturing Inc. Extrusionsschneckenanordnung mit hoher spezifischer mechanischer energie
DE102017124091B4 (de) * 2017-10-17 2019-08-01 Kraussmaffei Technologies Gmbh Scherteil und Einschnecken-Plastifiziereinheit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28901A (en) * 1860-06-26 Improvement in making eaves-troughs
US3375549A (en) * 1961-04-05 1968-04-02 Uniroyal Inc Method and apparatus for refining and separating plastic materials
DE1909009B2 (de) * 1969-02-22 1973-04-26 Fried Krupp GmbH, 4300 Essen Mehrgaengige extruderschnecke
US3650652A (en) * 1970-05-05 1972-03-21 Feed Screws Inc Apparatus for extruding plastic material
FR2093483A5 (de) * 1970-05-08 1972-01-28 Plast Elastverarbeitungsmasch
US3698541A (en) * 1971-08-11 1972-10-17 Midland Ross Corp Extruder, or extruder-like melting apparatus
USRE28901E (en) * 1972-08-10 1976-07-13 The B. F. Goodrich Company Apparatus for refining polymeric material
US3989941A (en) * 1972-09-28 1976-11-02 Midland-Ross Corporation Extruder and screw therefor for effecting transverse currents in work material handled thereby
US3998438A (en) * 1973-09-17 1976-12-21 Beloit Corporation Extruder plasticizing and mixing screw
US3866890A (en) * 1973-11-13 1975-02-18 Scient Process & Research Inc Apparatus for simultaneous plasticating and mixing
US4136967A (en) * 1974-09-04 1979-01-30 Bayer Aktiengesellschaft Screw machine for the continuous degradation of plastics
US4000884A (en) * 1975-07-25 1977-01-04 Chung Chan I Extruder screw
GB1595850A (en) * 1978-05-31 1981-08-19 Hpm Corp Extruder with multi-channel wave screw
US4240755A (en) * 1978-07-13 1980-12-23 New Castle Industries, Inc. Injection molding screw for processing heat sensitive polymeric materials
US4341474A (en) * 1980-08-27 1982-07-27 Wheeler Jr Norton C Extruder screw
IT8025032A0 (it) * 1980-09-30 1980-09-30 Mazzoni G Mecc Costr Trafile veloci ad alto rendimento per l'estrusione e la raffinazione di saponi, detergenti ed altriprodotti plastici ad esse assimilabili.

Also Published As

Publication number Publication date
GB8630021D0 (en) 1987-01-28
GB2184975A (en) 1987-07-08
WO1986006325A1 (en) 1986-11-06
JPS62502677A (ja) 1987-10-15
GB2184975B (en) 1989-07-12
EP0221141A1 (de) 1987-05-13
DE3690220T1 (de) 1987-06-04

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