US20060134250A1 - Method and apparatus to vent a mold - Google Patents

Method and apparatus to vent a mold Download PDF

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Publication number
US20060134250A1
US20060134250A1 US11/021,648 US2164804A US2006134250A1 US 20060134250 A1 US20060134250 A1 US 20060134250A1 US 2164804 A US2164804 A US 2164804A US 2006134250 A1 US2006134250 A1 US 2006134250A1
Authority
US
United States
Prior art keywords
mold
plate
tread
cavity
interior surface
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.)
Pending
Application number
US11/021,648
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English (en)
Inventor
Eric Henrotte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US11/021,648 priority Critical patent/US20060134250A1/en
Priority to BRPI0505522-9A priority patent/BRPI0505522A/pt
Priority to EP05112350A priority patent/EP1676692B1/en
Priority to JP2005369084A priority patent/JP4921790B2/ja
Priority to CNB2005100035548A priority patent/CN100460179C/zh
Publication of US20060134250A1 publication Critical patent/US20060134250A1/en
Priority to US11/934,950 priority patent/US7524175B2/en
Pending legal-status Critical Current

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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)
    • B29D30/0601—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
    • B29C33/10—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
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns
    • 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
    • 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
    • B29L2030/00—Pneumatic or solid tyres or parts thereof
    • 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

Definitions

  • the invention relates to a method and apparatus for venting a vulcanization mold, and more particularly to a vulcanization mold for making rubber products such as a tire.
  • vent holes wherein blocking members are inserted in the holes and function to prevent the burrs.
  • the use of these blocking members while preventing the rubber burrs, have the disadvantage of producing a small mark on the tire surface.
  • the blocking members must be cleaned periodically or replaced.
  • an improved ventless mold is desired wherein no marks or burrs are formed on the tire.
  • the invention provides in a second aspect a mold for vulcanizing a tire, the mold comprising a plurality of tread segments for forming the tread on a green tire, wherein the tread segments can be assembled side by side circumferentially about the green tire, each of said tread segments further comprised of an outer cavity plate having an interior surface and an exterior surface, said cavity plate having a plurality of channels, each of said channels having a vent hole extending from the channel to the exterior surface of the outer cavity plate; each of said channel having a rib mounted thereover, the adjoining surface of said rib mating with the interior surface of the cavity plate, wherein the interior surface of the cavity plate has a roughened surface forming a vent passageway with the adjoining surface of the ribs for venting mold gasses from the interior of the mold to the exterior of the mold.
  • Ring and radially are used to mean directions toward or away from the axis of rotation of the tire.
  • FIG. 1 is a cross-sectional partial view of a segmented mold
  • FIG. 4 is a close up perspective view of a mold cavity contour plate and a tread profile plate showing the ribs and lands to be milled;
  • FIGS. 5A and 5B are perspective views of a tread mold segment of the present invention.
  • FIG. 6 is a close-up view of a rib and channel of the tread mold segment in the direction 6 - 6 of FIG. 5 b;
  • FIG. 8 is a top view of the blade mounted within the slot.
  • the above description of the steps to form the tread mold segments 16 comprised of the mold cavity contour plate 16 a and profile plate 16 B are the same, except for the following.
  • the outer mating surface 120 of the profile plate 16 B is milled rough with the peaks having a height of about 0.02 mm (20 mils).
  • the outer mating surface may be milled to have a scallop pattern.
  • the peaks are oriented perpendicular to the ribs 100 .
  • the adjoining surface of the cavity contour plate is milled relatively smooth, with a surface roughness for example, on the order of about 0.015 mm (15 mils), wherein the peaks are aligned perpendicular to the peaks of the profile plate 16 B.

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)
US11/021,648 2004-12-22 2004-12-22 Method and apparatus to vent a mold Pending US20060134250A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US11/021,648 US20060134250A1 (en) 2004-12-22 2004-12-22 Method and apparatus to vent a mold
BRPI0505522-9A BRPI0505522A (pt) 2004-12-22 2005-12-15 método e equipamento para ventilar um molde
EP05112350A EP1676692B1 (en) 2004-12-22 2005-12-16 Methods for making a tread segment for use in a mold and a mold for vulcanizing tires
JP2005369084A JP4921790B2 (ja) 2004-12-22 2005-12-22 金型に通気孔を設ける方法および装置
CNB2005100035548A CN100460179C (zh) 2004-12-22 2005-12-22 用于硫化轮胎的模具
US11/934,950 US7524175B2 (en) 2004-12-22 2007-11-05 Method and apparatus to vent a mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/021,648 US20060134250A1 (en) 2004-12-22 2004-12-22 Method and apparatus to vent a mold

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/934,950 Continuation-In-Part US7524175B2 (en) 2004-12-22 2007-11-05 Method and apparatus to vent a mold

Publications (1)

Publication Number Publication Date
US20060134250A1 true US20060134250A1 (en) 2006-06-22

Family

ID=36051135

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/021,648 Pending US20060134250A1 (en) 2004-12-22 2004-12-22 Method and apparatus to vent a mold
US11/934,950 Expired - Fee Related US7524175B2 (en) 2004-12-22 2007-11-05 Method and apparatus to vent a mold

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/934,950 Expired - Fee Related US7524175B2 (en) 2004-12-22 2007-11-05 Method and apparatus to vent a mold

Country Status (5)

Country Link
US (2) US20060134250A1 (ja)
EP (1) EP1676692B1 (ja)
JP (1) JP4921790B2 (ja)
CN (1) CN100460179C (ja)
BR (1) BRPI0505522A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160016371A1 (en) * 2013-02-25 2016-01-21 Bridgestone Corporation Method for producing tire vulcanizing mold and tire vulcanizing mold
WO2017181170A1 (en) * 2016-04-15 2017-10-19 Hi-Tech Mold & Engineering, Inc Die insert for molding a speaker grille
US9889616B2 (en) 2013-01-24 2018-02-13 Bridgestone Corporation Sector mold, method for manufacturing same, and jig for processing pattern block
US10144164B2 (en) 2016-04-15 2018-12-04 Hi-Tech Mold & Engineering, Inc. Die insert for molding a speaker grille and method of forming same
US10981345B2 (en) * 2017-02-23 2021-04-20 Himile Mechanical Science And Technology (Shandong) Co., Ltd Method and apparatus for cleaning workpiece, and method and apparatus for cleaning (pore-free) tire segment mold

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2939712B1 (fr) * 2008-12-17 2011-01-14 Michelin Soc Tech Garniture de moule comprenant un element sacrificiel de liaison
JP2010155410A (ja) * 2008-12-29 2010-07-15 Sumitomo Rubber Ind Ltd タイヤ加硫用金型
HU229849B1 (hu) * 2010-03-31 2014-10-28 Kvantex Kft Gumiabroncs vulkanizáló forma, valamint eljárás gáz elvezetésére gumiabroncs vulkanizáló forma futófelületérõl
KR101312344B1 (ko) * 2010-12-08 2013-09-27 요코하마 고무 가부시키가이샤 타이어 가류용 몰드
US8834143B2 (en) * 2011-02-24 2014-09-16 The Yokohama Rubber Co., Ltd. Tire vulcanization mold
JP5356447B2 (ja) * 2011-04-05 2013-12-04 東洋ゴム工業株式会社 タイヤモールド、空気入りタイヤの製造方法、及び、空気入りタイヤ
US9616716B2 (en) 2011-12-14 2017-04-11 Bridgestone Americas Tire Operations, Llc Three dimensional sipe
JP5681685B2 (ja) * 2012-09-27 2015-03-11 住友ゴム工業株式会社 剛性中子及びそれを用いた空気入りタイヤの製造方法
FR2996798B1 (fr) * 2012-10-17 2015-04-24 Michelin & Cie Element moulant d'un moule pour pneumatique comportant une pluralite de trous
WO2015105821A1 (en) 2014-01-09 2015-07-16 Bridgestone Americas Tire Operations, Llc Tire mold vent
JP6280446B2 (ja) * 2014-05-27 2018-02-14 株式会社ブリヂストン タイヤモールド及びタイヤ加硫装置
FR3022831B1 (fr) * 2014-06-30 2017-03-03 Michelin & Cie Insert de moule pour pneumatique comportant une texture a fort contraste
DE102018202062A1 (de) * 2018-02-09 2019-08-14 Continental Reifen Deutschland Gmbh Fahrzeugreifen aufweisend einen Laufstreifen mit Vulkanette und Herstellungsverfahren
FR3080559B1 (fr) * 2018-04-30 2021-04-30 Michelin & Cie Element moulant avec fente d'evacuation de l'air et secteur de micro-moulage
TWI684539B (zh) * 2019-03-06 2020-02-11 特耐橡膠工業有限公司 具有胎面排氣溝之輪胎及其成型模具
US11084189B2 (en) 2019-04-09 2021-08-10 Ford Motor Company Molding tools with biomimetic conformal venting passageways and methods for forming biomimetic conformal venting passageways in molding tools
US11007735B2 (en) 2019-08-08 2021-05-18 The Goodyear Tire & Rubber Company Tire mold
DE102019130341A1 (de) * 2019-11-11 2021-05-12 Dt Swiss Ag Verfahren zur Herstellung einer Fahrradkomponente und Fahrradkomponente
US11027506B1 (en) * 2020-06-12 2021-06-08 The Goodyear Tire & Rubber Company Actuating ring for tire mold assembly
JP2023120662A (ja) * 2022-02-18 2023-08-30 住友ゴム工業株式会社 タイヤ用モールド及びタイヤの製造方法

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756460A (en) * 1954-09-09 1956-07-31 Lloyd L Felker Tire tread molds
US2779060A (en) * 1953-05-13 1957-01-29 Firestone Tire & Rubber Co Tire mold
US3415923A (en) * 1966-05-09 1968-12-10 Goodyear Tire & Rubber Method of making tire molds
US3553790A (en) * 1969-11-10 1971-01-12 Goodyear Tire & Rubber Concealed tire vent mold
US3937606A (en) * 1971-06-03 1976-02-10 The Goodyear Tire & Rubber Company Mold for forming tires
US4250950A (en) * 1978-11-03 1981-02-17 Swiss Aluminium Ltd. Mould with roughened surface for casting metals
US4553918A (en) * 1983-05-30 1985-11-19 Bridgestone Corporation Tire molding mold
US4576559A (en) * 1982-12-29 1986-03-18 Bridgestone Tire Co. Ltd. Vented tire molding mold
US4709609A (en) * 1982-12-30 1987-12-01 Kauko Rautio Saw machine
US4812281A (en) * 1987-12-14 1989-03-14 The Goodyear Tire & Rubber Company Pressurization of tire mold vents
US4895502A (en) * 1985-07-29 1990-01-23 The Goodyear Tire & Rubber Company Tread ring venting and pressurization system
US5066209A (en) * 1989-05-02 1991-11-19 A-Z Formen-Und Maschinenbau Gmbh Vented tire mold
US5186952A (en) * 1991-11-20 1993-02-16 Cheng Shin Rubber Ind., Co., Ltd. Mold for manufacturing tires
US5190767A (en) * 1991-07-10 1993-03-02 The Goodyear Tire & Rubber Company Tire mold
US5585064A (en) * 1994-07-20 1996-12-17 The Goodyear Tire & Rubber Company Ventless segmented tire mold and method therefore
US5800642A (en) * 1995-07-10 1998-09-01 Sumitomo Rubber Industries, Ltd. Pneumatic tire, mold including vent grooves, and method
US6382943B1 (en) * 1998-10-08 2002-05-07 The Goodyear Tire & Rubber Company Multiple insert tire mold and assembly method
US6416304B1 (en) * 1999-07-07 2002-07-09 Bridgestone Corporation Mold for molding tire
US6592807B2 (en) * 2001-05-24 2003-07-15 The Goodyear Tire And Rubber Company Method of making a porous tire tread mold
US6808377B1 (en) * 1999-10-01 2004-10-26 The Goodyear Tire & Rubber Company Segmented tire mold

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JPS59124835A (ja) * 1982-12-29 1984-07-19 Bridgestone Corp タイヤ成形用金型およびその製造方法
US4708609A (en) * 1984-03-22 1987-11-24 Bridgestone Corporation Tire manufacturing mold
JPS60198210A (ja) * 1984-03-22 1985-10-07 Bridgestone Corp タイヤ成形用金型およびその製造方法
IT8648481A0 (it) 1986-09-22 1986-09-22 D Aleo Carmelo Stampo per pneumatici con sfiato di aria senza tracce
US4740145A (en) 1987-07-15 1988-04-26 The Firestone Tire & Rubber Company Flash-free vented tire mold
JP3102991B2 (ja) * 1994-03-31 2000-10-23 日本碍子株式会社 タイヤ成形用金型
JP3239078B2 (ja) * 1997-03-24 2001-12-17 日本碍子株式会社 タイヤ成形用金型
JP2002240042A (ja) 2001-02-15 2002-08-28 Bridgestone Corp タイヤ加硫成型用金型

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779060A (en) * 1953-05-13 1957-01-29 Firestone Tire & Rubber Co Tire mold
US2756460A (en) * 1954-09-09 1956-07-31 Lloyd L Felker Tire tread molds
US3415923A (en) * 1966-05-09 1968-12-10 Goodyear Tire & Rubber Method of making tire molds
US3553790A (en) * 1969-11-10 1971-01-12 Goodyear Tire & Rubber Concealed tire vent mold
US3937606A (en) * 1971-06-03 1976-02-10 The Goodyear Tire & Rubber Company Mold for forming tires
US4250950A (en) * 1978-11-03 1981-02-17 Swiss Aluminium Ltd. Mould with roughened surface for casting metals
US4576559A (en) * 1982-12-29 1986-03-18 Bridgestone Tire Co. Ltd. Vented tire molding mold
US4709609A (en) * 1982-12-30 1987-12-01 Kauko Rautio Saw machine
US4553918A (en) * 1983-05-30 1985-11-19 Bridgestone Corporation Tire molding mold
US4895502A (en) * 1985-07-29 1990-01-23 The Goodyear Tire & Rubber Company Tread ring venting and pressurization system
US4812281A (en) * 1987-12-14 1989-03-14 The Goodyear Tire & Rubber Company Pressurization of tire mold vents
US5066209A (en) * 1989-05-02 1991-11-19 A-Z Formen-Und Maschinenbau Gmbh Vented tire mold
US5190767A (en) * 1991-07-10 1993-03-02 The Goodyear Tire & Rubber Company Tire mold
US5186952A (en) * 1991-11-20 1993-02-16 Cheng Shin Rubber Ind., Co., Ltd. Mold for manufacturing tires
US5585064A (en) * 1994-07-20 1996-12-17 The Goodyear Tire & Rubber Company Ventless segmented tire mold and method therefore
US5800642A (en) * 1995-07-10 1998-09-01 Sumitomo Rubber Industries, Ltd. Pneumatic tire, mold including vent grooves, and method
US6382943B1 (en) * 1998-10-08 2002-05-07 The Goodyear Tire & Rubber Company Multiple insert tire mold and assembly method
US6416304B1 (en) * 1999-07-07 2002-07-09 Bridgestone Corporation Mold for molding tire
US6808377B1 (en) * 1999-10-01 2004-10-26 The Goodyear Tire & Rubber Company Segmented tire mold
US6592807B2 (en) * 2001-05-24 2003-07-15 The Goodyear Tire And Rubber Company Method of making a porous tire tread mold

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9889616B2 (en) 2013-01-24 2018-02-13 Bridgestone Corporation Sector mold, method for manufacturing same, and jig for processing pattern block
US20160016371A1 (en) * 2013-02-25 2016-01-21 Bridgestone Corporation Method for producing tire vulcanizing mold and tire vulcanizing mold
US9815249B2 (en) * 2013-02-25 2017-11-14 Bridgestone Corporation Method for producing tire vulcanizing mold and tire vulcanizing mold
WO2017181170A1 (en) * 2016-04-15 2017-10-19 Hi-Tech Mold & Engineering, Inc Die insert for molding a speaker grille
US10149028B2 (en) * 2016-04-15 2018-12-04 Hi-Tech Mold & Engineering, Inc. Die insert for molding a speaker grille
US10144164B2 (en) 2016-04-15 2018-12-04 Hi-Tech Mold & Engineering, Inc. Die insert for molding a speaker grille and method of forming same
US10981345B2 (en) * 2017-02-23 2021-04-20 Himile Mechanical Science And Technology (Shandong) Co., Ltd Method and apparatus for cleaning workpiece, and method and apparatus for cleaning (pore-free) tire segment mold

Also Published As

Publication number Publication date
EP1676692B1 (en) 2013-03-06
JP4921790B2 (ja) 2012-04-25
EP1676692A1 (en) 2006-07-05
BRPI0505522A (pt) 2006-09-12
US20080088057A1 (en) 2008-04-17
JP2006175871A (ja) 2006-07-06
CN100460179C (zh) 2009-02-11
CN1796078A (zh) 2006-07-05
US7524175B2 (en) 2009-04-28

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