GB1258188A - - Google Patents

Info

Publication number
GB1258188A
GB1258188A GB1258188DA GB1258188A GB 1258188 A GB1258188 A GB 1258188A GB 1258188D A GB1258188D A GB 1258188DA GB 1258188 A GB1258188 A GB 1258188A
Authority
GB
United Kingdom
Prior art keywords
slide
wedge
clamps
movement
spring
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
Other languages
English (en)
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
Priority claimed from DE19681729396 external-priority patent/DE1729396C/de
Application filed filed Critical
Publication of GB1258188A publication Critical patent/GB1258188A/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
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • B29C48/6912—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a single rectilinearly reciprocating slide
    • 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
    • B29C48/03—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)
GB1258188D 1968-03-13 1969-03-12 Expired GB1258188A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681729396 DE1729396C (de) 1968-03-13 1968-03-13 Siebwechselvornchtung fur den Spritzkopf einer Strangpresse

Publications (1)

Publication Number Publication Date
GB1258188A true GB1258188A (no) 1971-12-22

Family

ID=5690578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258188D Expired GB1258188A (no) 1968-03-13 1969-03-12

Country Status (4)

Country Link
US (1) US3583453A (no)
CH (1) CH477282A (no)
FR (1) FR2003779A1 (no)
GB (1) GB1258188A (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182279A (en) * 1985-10-03 1987-05-13 Berstorff Gmbh Masch Hermann A sealing mechanism for a filter changing device in an extrusion head
EP0291985A2 (en) * 1987-05-20 1988-11-23 Fuji Photo Film Co., Ltd. Filter exchange device for an extrusion molding machine

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119545B2 (de) * 1971-04-22 1972-10-12 Fa. Werner & Pfleiderer, 7000 Stuttgart Filtereinrichtung fuer extruder und spritzgussmaschinen
IT1017448B (it) * 1973-08-02 1977-07-20 Scheer & Cie C F Dsipositivo per la filtrazione di materia plstica fusa nonche per l estrusione di cordoni di materia plastica
DE3043217C2 (de) * 1980-11-15 1982-07-15 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Sieb- oder Werkzeugwechselvorrichtung für Schneckenextruder
US4507072A (en) * 1982-10-25 1985-03-26 E. I. Dupont De Nemours And Company Diverting plate
DE19702806C1 (de) * 1997-01-27 1998-08-06 Troester Maschf Paul Verfahren und Vorrichtung zum Abdichten eines Ringspaltes zwischen zwei Dichtflächen von Maschinenteilen, insbesondere an Extrusionsmaschinen
DE19758290C2 (de) * 1997-12-31 2002-05-16 Gneuss Kunststofftechnik Gmbh Vorrichtung zum Filtern von Kunststoffschmelzen mit Wechsel der filternden Siebpackungen
US7147774B2 (en) * 2003-04-10 2006-12-12 Polymer Systems, Inc. Sliding plate filter with segmented sealing ring
DE102006029058A1 (de) * 2006-06-24 2008-01-03 Rippert Besitzgesellschaft Mbh & Co. Kg Filteranordnung zur Trockenabscheidung
EP3308940A1 (de) * 2016-10-17 2018-04-18 Next Generation Analytics GmbH Filtersystem für viskose oder hochviskose flüssigkeiten, insbesondere kunststoffschmelzen und verfahren zur filtration von viskosen oder hochviskosen flüssigkeiten
US11260570B2 (en) * 2018-05-07 2022-03-01 PSI-Polymer Systems, Inc. Filtration apparatuses and screen changer devices for polymer processing and related methods
CN112078171A (zh) * 2019-06-14 2020-12-15 中国石油化工股份有限公司 挤条机孔板切换组件及包括其的挤条机
CN112519177A (zh) * 2020-09-16 2021-03-19 江苏龙源催化剂有限公司 一种塑料预挤出机器模具结构及其操作方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661497A (en) * 1951-04-03 1953-12-08 Celanese Corp Extrusion apparatus
US3145746A (en) * 1963-02-25 1964-08-25 Nat Plastic Products Co Inc Screen changing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182279A (en) * 1985-10-03 1987-05-13 Berstorff Gmbh Masch Hermann A sealing mechanism for a filter changing device in an extrusion head
GB2182279B (en) * 1985-10-03 1989-09-13 Berstorff Gmbh Masch Hermann An extrusion device incorporating a filter changing device in an extrusion head
EP0291985A2 (en) * 1987-05-20 1988-11-23 Fuji Photo Film Co., Ltd. Filter exchange device for an extrusion molding machine
EP0291985A3 (en) * 1987-05-20 1989-07-19 Fuji Photo Film Co., Ltd. Filter exchange device for an extrusion molding machine

Also Published As

Publication number Publication date
US3583453A (en) 1971-06-08
DE1729396A1 (de) 1972-03-02
CH477282A (de) 1969-08-31
DE1729396B2 (de) 1972-07-20
FR2003779A1 (no) 1969-11-14

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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