GB1334897A - Screw extruder - Google Patents

Screw extruder

Info

Publication number
GB1334897A
GB1334897A GB3830071A GB3830071A GB1334897A GB 1334897 A GB1334897 A GB 1334897A GB 3830071 A GB3830071 A GB 3830071A GB 3830071 A GB3830071 A GB 3830071A GB 1334897 A GB1334897 A GB 1334897A
Authority
GB
United Kingdom
Prior art keywords
screw
static mixer
melt
inlet
thence
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
GB3830071A
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
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 Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Publication of GB1334897A publication Critical patent/GB1334897A/en
Expired 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
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/51—Screws with internal flow passages, e.g. for molten 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

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)
GB3830071A 1970-08-18 1971-08-16 Screw extruder Expired GB1334897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702040919 DE2040919A1 (de) 1970-08-18 1970-08-18 Schneckenstrangpresse mit statischem Mischer

Publications (1)

Publication Number Publication Date
GB1334897A true GB1334897A (en) 1973-10-24

Family

ID=5780044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3830071A Expired GB1334897A (en) 1970-08-18 1971-08-16 Screw extruder

Country Status (6)

Country Link
US (1) US3746318A (enExample)
CH (1) CH528969A (enExample)
CS (1) CS173582B2 (enExample)
DE (1) DE2040919A1 (enExample)
FR (1) FR2104441A5 (enExample)
GB (1) GB1334897A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924842A (en) * 1974-04-11 1975-12-09 Scient Process & Research Inc Apparatus for preparing a plasticated material
US3985349A (en) * 1975-03-06 1976-10-12 The Dow Chemical Company Injection molding machine and method of operation thereof
SE426561B (sv) * 1975-05-29 1983-01-31 Usm Corp Genommatande blandare
CH592515A5 (enExample) * 1975-11-05 1977-10-31 Netstal Ag Maschf Giesserei
US4637790A (en) * 1985-06-12 1987-01-20 Scientific Process & Research, Inc. Multiple-stage plasticating extruders
ATE75655T1 (de) * 1987-09-02 1992-05-15 Berstorff Gmbh Masch Hermann Verfahren zur kontinuierlichen herstellung von kautschukmischungen und anderen fuellstoffhaltigen mischungen auf der basis von polymeren.
US4872761A (en) * 1988-05-12 1989-10-10 Paul Geyer Extrusion apparatus
EP0636190B1 (de) * 1993-02-18 1997-10-08 B a r m a g AG Spinnanlage für thermoplastische fäden
DE4305905C1 (de) * 1993-02-26 1994-07-28 Barmag Barmer Maschf Spinnpumpe mit Mischer
TW470789B (en) * 1998-08-29 2002-01-01 Barmag Barmer Maschf Apparatus for mixing and advancing a polymer melt
JP6446310B2 (ja) * 2014-04-10 2018-12-26 東芝機械株式会社 押出機用スクリュ、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
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
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
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
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
JP6446235B2 (ja) * 2014-10-27 2018-12-26 東芝機械株式会社 押出機および混練装置
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
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
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
CN104842530A (zh) * 2015-05-07 2015-08-19 浙江海洋学院 一种循环再混合微发泡螺杆
CN113578091B (zh) * 2021-07-29 2023-12-19 浙江华晨环保有限公司 微阻力管道混合器

Also Published As

Publication number Publication date
CS173582B2 (enExample) 1977-02-28
DE2040919A1 (de) 1972-02-24
CH528969A (de) 1972-10-15
FR2104441A5 (enExample) 1972-04-14
US3746318A (en) 1973-07-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees