ES2083476T3 - Molde y procedimiento para la vulcanizacion de neumaticos y procedimiento para la fabricacion del molde. - Google Patents

Molde y procedimiento para la vulcanizacion de neumaticos y procedimiento para la fabricacion del molde.

Info

Publication number
ES2083476T3
ES2083476T3 ES91105729T ES91105729T ES2083476T3 ES 2083476 T3 ES2083476 T3 ES 2083476T3 ES 91105729 T ES91105729 T ES 91105729T ES 91105729 T ES91105729 T ES 91105729T ES 2083476 T3 ES2083476 T3 ES 2083476T3
Authority
ES
Spain
Prior art keywords
mold
separations
procedure
parts
passage
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
ES91105729T
Other languages
English (en)
Inventor
Giuseppe Galli
Renato Caretta
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.)
Pirelli and C SpA
Pirelli Tyre SpA
Original Assignee
Pirelli Coordinamento Pneumatici SpA
Pirelli SpA
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 Pirelli Coordinamento Pneumatici SpA, Pirelli SpA filed Critical Pirelli Coordinamento Pneumatici SpA
Application granted granted Critical
Publication of ES2083476T3 publication Critical patent/ES2083476T3/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D30/0629—Vulcanising moulds not integral with vulcanising presses with radially movable sectors
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0613—Means, e.g. sipes or blade-like elements, for forming narrow recesses in the tyres, e.g. cuts or incisions for winter tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0617—Venting devices, e.g. vent plugs or inserts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/812—Venting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Tires In General (AREA)

Abstract

EN UN MOLDE METALICO, TODAS O UNA PARTE DE LAS PARTES ANULARES PARA MOLDEAR POR LO MENOS LA SUPERFICIE DE RODAMIENTO DE LA LLANTA ESTA FORMADA DE VARIAS PIEZAS SEPARADAS PEQUEÑAS (10, 11, 12) QUE SE PUEDEN COMBINAR PARA FORMAR DICHA PARTE ANULAR. ENTRE ESTAS PIEZAS PEQUEÑAS, DURANTE EL MOLDEO DE LA LLANTA, SE MANTIENEN SEPARACIONES PARA PERMITIR EL PASO DEL AIRE PERO NO EL PASO DE LA GOMA. LAS SEPARACIONES MENCIONADAS ESTAN CONECTADAS MEDIANTE ORIFICIOS DE VENTILACION (20, 21, 22) A LOS MEDIOS DE SUCCION DEL AIRE. DICHOS ORIFICIOS TAMBIEN ESTAN CONECTADAS A MEDIOS (44) PARA INYECTAR FLUIDO A PRESION A TRAVES DE LAS SEPARACIONES. LA CONSTRUCCION DE ESTA PARTE DEL MOLDE UTILIZANDO PIEZAS PEQUEÑAS CON CONTOS DE LA PARTE YA MENCIONADA EN EL SENTIDO AXIAL Y CIRCUNFERENCIAL PERMITE LA REGULACION DEL ANCHO DE LAS SEPARACIONES CON RESPECTO A LAS CARACTERISTICAS GEOMETRICAS DEL MATERIAL ELASTOMERICO A SER MOLDEADO Y ADAPTAR FACILMENTE EL MOLDE A LOS DISTINTOS TAMAÑOS DE LLANTAS MEDIANTE EL AUMENTO ODISMINUCION DEL NUMERO DE DICHAS PIEZAS.
ES91105729T 1990-04-13 1991-04-11 Molde y procedimiento para la vulcanizacion de neumaticos y procedimiento para la fabricacion del molde. Expired - Lifetime ES2083476T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20036A IT1240295B (it) 1990-04-13 1990-04-13 Stampo e metodo per la vulcanizzazione di pneumatici e metodo per fabbricare stampi

Publications (1)

Publication Number Publication Date
ES2083476T3 true ES2083476T3 (es) 1996-04-16

Family

ID=11163313

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91105729T Expired - Lifetime ES2083476T3 (es) 1990-04-13 1991-04-11 Molde y procedimiento para la vulcanizacion de neumaticos y procedimiento para la fabricacion del molde.

Country Status (9)

Country Link
US (2) US5234326A (es)
EP (1) EP0451832B1 (es)
JP (1) JP3226560B2 (es)
AT (1) ATE130550T1 (es)
BR (1) BR9101593A (es)
DE (1) DE69114750T2 (es)
ES (1) ES2083476T3 (es)
GR (1) GR3018943T3 (es)
IT (1) IT1240295B (es)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
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JP4353588B2 (ja) * 1999-07-07 2009-10-28 株式会社ブリヂストン タイヤ成型用金型
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ATE130550T1 (de) 1995-12-15
JPH04223108A (ja) 1992-08-13
EP0451832B1 (en) 1995-11-22
EP0451832A2 (en) 1991-10-16
GR3018943T3 (en) 1996-05-31
US5368799A (en) 1994-11-29
IT1240295B (it) 1993-12-07
JP3226560B2 (ja) 2001-11-05
DE69114750T2 (de) 1996-07-04
US5234326A (en) 1993-08-10
IT9020036A1 (it) 1991-10-13
EP0451832A3 (en) 1992-04-01
DE69114750D1 (de) 1996-01-04
BR9101593A (pt) 1991-12-10
IT9020036A0 (it) 1990-04-13

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