GB1413014A - Screw extruder - Google Patents

Screw extruder

Info

Publication number
GB1413014A
GB1413014A GB366773A GB366773A GB1413014A GB 1413014 A GB1413014 A GB 1413014A GB 366773 A GB366773 A GB 366773A GB 366773 A GB366773 A GB 366773A GB 1413014 A GB1413014 A GB 1413014A
Authority
GB
United Kingdom
Prior art keywords
chamber
vacuum
screw
hopper
sealing element
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
GB366773A
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.)
Lohmann and Stolterfoht GmbH
Lohmann and Rauscher GmbH and Co KG
Original Assignee
Lohmann and Stolterfoht GmbH
Lohmann and Rauscher GmbH and Co KG
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 Lohmann and Stolterfoht GmbH, Lohmann and Rauscher GmbH and Co KG filed Critical Lohmann and Stolterfoht GmbH
Publication of GB1413014A publication Critical patent/GB1413014A/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
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • 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
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting 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
    • B29C48/254—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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing 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
    • B29C48/03—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)
GB366773A 1972-01-24 1973-01-24 Screw extruder Expired GB1413014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722203759 DE2203759B1 (de) 1972-01-24 1972-01-24 Entgasungseinrichtung fuer eine schneckenstrangpresse zur verarbeitung von kunststoffen und gummi

Publications (1)

Publication Number Publication Date
GB1413014A true GB1413014A (en) 1975-11-05

Family

ID=5834163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB366773A Expired GB1413014A (en) 1972-01-24 1973-01-24 Screw extruder

Country Status (7)

Country Link
CS (1) CS158170B2 (de)
DD (1) DD99949A5 (de)
DE (1) DE2203759B1 (de)
FR (1) FR2169042B1 (de)
GB (1) GB1413014A (de)
HU (1) HU166117B (de)
IT (1) IT968648B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217647A (en) * 1988-02-24 1989-11-01 Berstorff Gmbh Masch Hermann Preventing melt accumulation within the degassing and melt return delivery thread of an extrusion screw.
CN105082509A (zh) * 2014-05-22 2015-11-25 科倍隆有限公司 用于待处理材料脱挥发分的设备和方法
CN105946200A (zh) * 2016-06-30 2016-09-21 重庆浩立塑胶有限公司 带抽真空装置的塑料挤出机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800632C3 (de) * 1978-01-07 1981-02-19 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Schneckenstrangpresse für thermoplastische Kunststoffe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217647A (en) * 1988-02-24 1989-11-01 Berstorff Gmbh Masch Hermann Preventing melt accumulation within the degassing and melt return delivery thread of an extrusion screw.
GB2217647B (en) * 1988-02-24 1991-05-01 Berstorff Gmbh Masch Hermann An extrusion method and apparatus
CN105082509A (zh) * 2014-05-22 2015-11-25 科倍隆有限公司 用于待处理材料脱挥发分的设备和方法
EP2946904A1 (de) * 2014-05-22 2015-11-25 Coperion GmbH Vorrichtung und Verfahren zur Entgasung von aufzubereitendem Material
CN105082509B (zh) * 2014-05-22 2018-08-28 科倍隆有限公司 用于待处理材料脱挥发分的设备和方法
CN105946200A (zh) * 2016-06-30 2016-09-21 重庆浩立塑胶有限公司 带抽真空装置的塑料挤出机

Also Published As

Publication number Publication date
DE2203759A1 (de) 1973-08-16
DD99949A5 (de) 1973-09-05
DE2203759B1 (de) 1973-08-16
FR2169042B1 (de) 1978-03-03
IT968648B (it) 1974-03-20
HU166117B (de) 1975-01-28
CS158170B2 (de) 1974-10-15
FR2169042A1 (de) 1973-09-07

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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