DE20120562U1 - extrusion die - Google Patents

extrusion die

Info

Publication number
DE20120562U1
DE20120562U1 DE20120562U DE20120562U DE20120562U1 DE 20120562 U1 DE20120562 U1 DE 20120562U1 DE 20120562 U DE20120562 U DE 20120562U DE 20120562 U DE20120562 U DE 20120562U DE 20120562 U1 DE20120562 U1 DE 20120562U1
Authority
DE
Germany
Prior art keywords
mandrel
extrusion tool
webs
tool according
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 - Lifetime
Application number
DE20120562U
Other languages
German (de)
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.)
Topf Kunststofftechnik Ki GmbH
Original Assignee
Topf Kunststofftechnik Ki GmbH
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 Topf Kunststofftechnik Ki GmbH filed Critical Topf Kunststofftechnik Ki GmbH
Priority to DE20120562U priority Critical patent/DE20120562U1/en
Publication of DE20120562U1 publication Critical patent/DE20120562U1/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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Extrusionswerkzeug (10, 12) zum Extrudieren von fließfähigen Materialien wie poly­ meren Materialien umfassend einen Formkanal (34, 36, 56, 58), in dem ein den Form­ kanalquerschnitt verengender Werkzeugdorn (16, 52) angeordnet ist, dadurch gekennzeichnet, dass der Werkzeugdorn (16, 52) den Formkanal (34, 36, 56, 58) derart verengt, dass dieser über eine Länge L mit 0,2 mm ≦ L ≦ 10 mm eine Breite B mit 0,2 mm ≦ B ≦ 2 mm aufweist.1. extrusion tool ( 10 , 12 ) for extruding flowable materials such as polymeric materials comprising a mold channel ( 34 , 36 , 56 , 58 ) in which a mold mandrel cross-section narrowing tool mandrel ( 16 , 52 ) is arranged, characterized in that the tool mandrel ( 16 , 52 ) narrows the molding channel ( 34 , 36 , 56 , 58 ) in such a way that it has a width B of 0.2 mm ≦ L ≦ 10 mm over a length L with 0.2 mm ≦ L ≦ 10 mm having. 2. Extrusionswerkzeug nach Anspruch 1, insbesondere zum Herstellen von Hohlprofilen, dadurch gekennzeichnet, dass der Dorn (16) zumindest extruderseitig rotatiossymetrisch ausgebildet ist und über Stege (44, 46, 48, 50) mit einem Ringabschnitt (18) des Extrusionswerkzeugs (10) verbunden ist. 2. Extrusion tool according to claim 1, in particular for producing hollow profiles, characterized in that the mandrel ( 16 ) is formed at least on the extruder side with rotational symmetry and via webs ( 44 , 46 , 48 , 50 ) with a ring section ( 18 ) of the extrusion tool ( 10 ) connected is. 3. Extrusionswerkzeug nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Stege (44, 46, 48, 50) extruderseitig eine Keilform aufweisen.3. Extrusion tool according to claim 1 or claim 2, characterized in that the webs ( 44 , 46 , 48 , 50 ) have a wedge shape on the extruder side. 4. Extrusionswerkzeug nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stege (44, 46, 48, 50) extruderseitig eine Geometrie eines gleichschenkligen Dreiecks aufweisen.4. Extrusion tool according to at least one of the preceding claims, characterized in that the webs ( 44 , 46 , 48 , 50 ) have a geometry of an isosceles triangle on the extruder side. 5. Extrusionswerkzeug nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stege (44, 46, 48, 50) gleichmäßig verteilt von Außenfläche des eine Konus­ geometrie aufweisenden extruderseitigen Abschnitts (38) des Dorns (16) ausgehen.5. Extrusion tool according to at least one of the preceding claims, characterized in that the webs ( 44 , 46 , 48 , 50 ) are evenly distributed from the outer surface of the extruder-side section ( 38 ) of the mandrel ( 16 ) having geometry.
DE20120562U 2001-12-19 2001-12-19 extrusion die Expired - Lifetime DE20120562U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20120562U DE20120562U1 (en) 2001-12-19 2001-12-19 extrusion die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20120562U DE20120562U1 (en) 2001-12-19 2001-12-19 extrusion die

Publications (1)

Publication Number Publication Date
DE20120562U1 true DE20120562U1 (en) 2002-04-18

Family

ID=7965374

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20120562U Expired - Lifetime DE20120562U1 (en) 2001-12-19 2001-12-19 extrusion die

Country Status (1)

Country Link
DE (1) DE20120562U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020523

R163 Identified publications notified

Effective date: 20020923

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050203

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20080125

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20100510

R071 Expiry of right
R071 Expiry of right