BRPI0400211A - Processo e aparelho para fabricação de lonas de carcaça para pneu - Google Patents

Processo e aparelho para fabricação de lonas de carcaça para pneu

Info

Publication number
BRPI0400211A
BRPI0400211A BR0400211-3A BRPI0400211A BRPI0400211A BR PI0400211 A BRPI0400211 A BR PI0400211A BR PI0400211 A BRPI0400211 A BR PI0400211A BR PI0400211 A BRPI0400211 A BR PI0400211A
Authority
BR
Brazil
Prior art keywords
cord
strand
elastomeric layer
strands
path
Prior art date
Application number
BR0400211-3A
Other languages
English (en)
Inventor
James Thomas Weissert
Mark Anthony Sieverding
Andres Ignacio Delgado
Ernest Joseph Rodia
William Dudley Currie
Original Assignee
Goodyear Tire & Rubber
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 Goodyear Tire & Rubber filed Critical Goodyear Tire & Rubber
Publication of BRPI0400211A publication Critical patent/BRPI0400211A/pt
Publication of BRPI0400211B1 publication Critical patent/BRPI0400211B1/pt

Links

Classifications

    • 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)
    • B29D30/08—Building tyres
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/16—Applying the layers; Guiding or stretching the layers during application
    • B29D30/1635—Applying the layers; Guiding or stretching the layers during application by feeding a continuous band and moving it back and forth (zig-zag) to form an annular element
    • 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)
    • B29D30/08—Building tyres
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/16—Applying the layers; Guiding or stretching the layers during application
    • B29D2030/1664—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00
    • B29D2030/1678—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00 the layers being applied being substantially continuous, i.e. not being cut before the application step

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
  • Tires In General (AREA)

Abstract

"PROCESSO E APARELHO PARA FABRICAçãO DE LONAS DE CARCAçA PARA PNEU". Trata-se de um processo de fabricação de uma lona reforçada com cordão moldada toroidalmente anular para um pneu é descrito. O processo envolve aplicação de uma camada elastomérica em uma superfície toroidal e colocação e costura de um ou mais cordões em comprimentos contínuos na camada elastomérica em caminhos de cordões predeterminados. O processo inclui ainda a dispensação de um ou mais cordões de carretéis e guia do cordão em um caminho predeterminado, na medida em que o cordão está sendo dispensado. De preferência, cada cordão é retido na camada elastomérica, após o cordão ser colocado e costurado e depois indicação do caminho do cordão para um local circunferencial próximo, formando uma extremidade de laço por reversão da direção do cordão e liberação do cordão retido, após a extremidade do laço ser formada e a direção do caminho do cordão ser revertida. Este processo propicia que a etapa de formação de extremidades de laços ocorra em mais de um diâmetro na superfície toroidal. Em uma modalidade, a superfície toroidal tem uma primeira curvatura cóncava, um enchimento convexo e uma segunda curvatura cóncava, e a etapa de colocação e costura de cada cordão inclui o atravessamento do cordão por um caminho, incluindo pelo menos uma das primeira e segunda curvaturas cóncavas e pelo menos uma parte do enchimento convexo. Este processo é conduzido melhor por uso de um aparelho para a formação de uma lona reforçada com cordão moldada toroidalmente anular, que tem um mandril toroidal, um meio para dispensar um ou mais cordões, um meio para guiar os cordões dispensados ao longo de caminhos predeterminados, um meio para colocar uma camada elastomérica no mandril toroidal, um meio para costurar os cordões na camada elastomérica e um meio para reter os cordões enquanto as extremidades dos laços são formadas.
BRPI0400211-3A 2003-02-11 2004-02-02 Processo de fabricação de lona reforçada com cordão moldada toroidalmente anular para um pneu BRPI0400211B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/365,374 US20040154727A1 (en) 2003-02-11 2003-02-11 Method and apparatus for manufacturing carcass plies for a tire

Publications (2)

Publication Number Publication Date
BRPI0400211A true BRPI0400211A (pt) 2004-12-28
BRPI0400211B1 BRPI0400211B1 (pt) 2014-07-22

Family

ID=32681712

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0400211-3A BRPI0400211B1 (pt) 2003-02-11 2004-02-02 Processo de fabricação de lona reforçada com cordão moldada toroidalmente anular para um pneu

Country Status (5)

Country Link
US (2) US20040154727A1 (pt)
EP (1) EP1447209B1 (pt)
JP (1) JP4746274B2 (pt)
BR (1) BRPI0400211B1 (pt)
DE (1) DE602004012908T2 (pt)

Families Citing this family (25)

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US20070125482A1 (en) * 2005-12-01 2007-06-07 Weissert James T Bi-directional tooling head and method for tire cord application
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US9073278B2 (en) 2011-10-27 2015-07-07 The Goodyear Tire & Rubber Company Geodesic pneumatic tire with braided carcass
US10307980B2 (en) 2013-02-20 2019-06-04 The Goodyear Tire & Rubber Company Tire building applicator members and systems
JP5970032B2 (ja) * 2014-08-06 2016-08-17 住友ゴム工業株式会社 プライ材料の製造方法
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JP6708230B2 (ja) * 2018-08-07 2020-06-10 横浜ゴム株式会社 空気入りタイヤの製造方法および成形装置

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Also Published As

Publication number Publication date
EP1447209A3 (en) 2005-10-05
EP1447209A2 (en) 2004-08-18
JP2004243770A (ja) 2004-09-02
BRPI0400211B1 (pt) 2014-07-22
DE602004012908D1 (de) 2008-05-21
US20040154727A1 (en) 2004-08-12
US20060162848A1 (en) 2006-07-27
DE602004012908T2 (de) 2009-05-28
EP1447209B1 (en) 2008-04-09
JP4746274B2 (ja) 2011-08-10

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/07/2014, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

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