ES2146720T3 - Cabezal de matriz con mandril regulable y procedimiento. - Google Patents

Cabezal de matriz con mandril regulable y procedimiento.

Info

Publication number
ES2146720T3
ES2146720T3 ES95309114T ES95309114T ES2146720T3 ES 2146720 T3 ES2146720 T3 ES 2146720T3 ES 95309114 T ES95309114 T ES 95309114T ES 95309114 T ES95309114 T ES 95309114T ES 2146720 T3 ES2146720 T3 ES 2146720T3
Authority
ES
Spain
Prior art keywords
head
threading head
chuck
threading
nozzle
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
ES95309114T
Other languages
English (en)
Inventor
Paul W Klinedinst
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.)
Graham Engineering Corp
Original Assignee
Graham Engineering Corp
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 Graham Engineering Corp filed Critical Graham Engineering Corp
Application granted granted Critical
Publication of ES2146720T3 publication Critical patent/ES2146720T3/es
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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering 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
    • 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
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

UN MANDRIL (20) PARA SOPORTAR DE FORMA AJUSTABLE UN VASTAGO (30) QUE TIENE UNA ESPIGA DE CABEZAL DE ROSCAR (48) EN SU EXTREMO DELANTERO, SITUADA EN UNA BOQUILLA DEL CABEZAL PARA ROSCAR (36) CONECTADA AL CUERPO ANULAR (12) DE UN CABEZAL PARA ROSCAR DE EXTRUSION (10). EL PLASTICO EXTRUIDO A TRAVES DE LA ABERTURA ANULAR DEL CABEZAL DE ROSCAR (50) ENTRE LA ESPIGA DEL CABEZAL DE ROSCAR (48) Y LA BOQUILLA DEL CABEZAL PARA ROSCAR (36) FORMA UN PARISON (28). LA ACTUACION CONTROLADA DE CUATRO CALENTADORES ELECTRICOS O DE LIQUIDO CALIENTE, ESPACIADOS CIRCUNFERENCIALMENTE (66, 70) Y DE DISIPADORES TERMICOS DISPUESTOS ENTRE ELLOS PERMITEN QUE UNA PORCION DEL MANDRIL, ESPACIADA HACIA EL INTERIOR DEL CUERPO ANULAR (12) POR UN PEQUEÑO HUECO SE CURVE Y DE ESTE MODO DESPLACE TRANSVERSALMENTE LA ESPIGA DEL CABEZAL DE ROSCAR (48) EN LA BOQUILLA (36) DEL CABEZAL DE ROSCAR. ESTO PERMITE FORMAR UN PARISON (28) CON UN GROSOR DE PARED NO UNIFORME. CADA DISIPADOR DE CALOR COMPRENDE UN DIAMETRO INTERNO EN EL MANDRILDENTRO DEL CUAL SE EXTIENDE UN TUBO DE SUMINISTRO DE AIRE. TAMBIEN SE PRESENTA UN METODO PARA AJUSTAR LA ABERTURA ANULAR DEL CABEZAL DE ROSCAR (50).
ES95309114T 1995-05-05 1995-12-14 Cabezal de matriz con mandril regulable y procedimiento. Expired - Lifetime ES2146720T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/437,435 US5674440A (en) 1995-05-05 1995-05-05 Die head with adjustable mandrel and method

Publications (1)

Publication Number Publication Date
ES2146720T3 true ES2146720T3 (es) 2000-08-16

Family

ID=23736435

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95309114T Expired - Lifetime ES2146720T3 (es) 1995-05-05 1995-12-14 Cabezal de matriz con mandril regulable y procedimiento.

Country Status (6)

Country Link
US (1) US5674440A (es)
EP (1) EP0740994B1 (es)
JP (1) JP3553732B2 (es)
CA (1) CA2172025A1 (es)
DE (1) DE69516269T2 (es)
ES (1) ES2146720T3 (es)

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
US5643618A (en) * 1994-05-11 1997-07-01 General Mills, Inc. Apparatus for making multiple, complexly patterned extrudates
FI98284C (fi) * 1995-09-12 1997-05-26 Uponor Bv Laite ja menetelmä muoviputken valmistamiseksi
US5843503A (en) * 1997-02-24 1998-12-01 General Mills, Inc. Apparatus and method for making multiple patterned extrudates
US6251452B1 (en) 1999-04-23 2001-06-26 General Mills, Inc. Apparatus and methods for making multiple, complexly patterned extrudates
US6537471B2 (en) 1999-12-14 2003-03-25 Microhelix, Inc. Method for producing ultra thin wall extrusions
DE10237051A1 (de) * 2002-08-09 2004-02-26 Sig Technology Ltd. Verfahren und Vorrichtung zur Herstellung blasgeformter Hohlkörper aus thermoplastischen Kunststoffen
US20050206031A1 (en) * 2004-03-17 2005-09-22 American Maplan Corporation Extrusion die
JP2008049649A (ja) * 2006-08-28 2008-03-06 Daicel Chem Ind Ltd 成形用ダイ
US8876512B2 (en) * 2008-09-23 2014-11-04 Cryovac, Inc. Die for coextruding a plurality of fluid layers
US20100072655A1 (en) 2008-09-23 2010-03-25 Cryovac, Inc. Die, system, and method for coextruding a plurality of fluid layers
US20120251790A1 (en) * 2011-03-31 2012-10-04 Nellcor Puritan Bennett Llc Systems and methods for creating sharp features within a mold
KR102000491B1 (ko) 2014-09-29 2019-07-16 미쉐린 러쉐르슈 에 떼크니크 에스.에이. 압출기 스크루 요소
US20170246788A1 (en) * 2014-09-30 2017-08-31 Compagnie Generale Des Etablissements Michelin Nozzle for an extruder with variable flow control
US20190329471A1 (en) * 2018-04-27 2019-10-31 Graham Packaging Company, L.P. Die pin having ceramic tip for molten plastic extrusion

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Also Published As

Publication number Publication date
US5674440A (en) 1997-10-07
JPH0999469A (ja) 1997-04-15
JP3553732B2 (ja) 2004-08-11
DE69516269T2 (de) 2000-11-30
EP0740994B1 (en) 2000-04-12
EP0740994A1 (en) 1996-11-06
CA2172025A1 (en) 1996-11-06
DE69516269D1 (de) 2000-05-18

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