WO2007061400A1 - Procede et appareil pour former une ame de plis, ceintures et talons - Google Patents

Procede et appareil pour former une ame de plis, ceintures et talons Download PDF

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Publication number
WO2007061400A1
WO2007061400A1 PCT/US2005/026912 US2005026912W WO2007061400A1 WO 2007061400 A1 WO2007061400 A1 WO 2007061400A1 US 2005026912 W US2005026912 W US 2005026912W WO 2007061400 A1 WO2007061400 A1 WO 2007061400A1
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WO
WIPO (PCT)
Prior art keywords
plies
belt
mandrel
mold
core
Prior art date
Application number
PCT/US2005/026912
Other languages
English (en)
Other versions
WO2007061400A8 (fr
Inventor
Richard A. Steinke
Theodore M. Love
Original Assignee
Steinke Richard A
Love Theodore M
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 Steinke Richard A, Love Theodore M filed Critical Steinke Richard A
Priority to CA002554864A priority Critical patent/CA2554864C/fr
Priority to JP2008542288A priority patent/JP2009529435A/ja
Priority to CNA2005800125523A priority patent/CN101090812A/zh
Priority to PCT/US2005/026912 priority patent/WO2007061400A1/fr
Priority to EP05856889A priority patent/EP1954480A1/fr
Publication of WO2007061400A1 publication Critical patent/WO2007061400A1/fr
Publication of WO2007061400A8 publication Critical patent/WO2007061400A8/fr

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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)
    • B29D30/08—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

Definitions

  • This invention pertains to methods and apparatus for forming a core of belts, plies and beads
  • the present invention is in a new and unique automated method or process and apparatus for
  • the core is formed in layers with spacers or separators between the mold, plies and belt or belts and, after formation on the inner mold, the core is maintained in the assembled mold annular space to be encapsulation in a tire that is formed
  • the core of the invention is formed in steps, including first positioning a separator formed
  • belts preferably arranged as woven sleeves that are fitted over the crown and with beads fitted to the
  • the inner mold is
  • the elastomeric material flow consists of component chemicals that are combined and
  • a tire core of plies, belts and beads utilizing separate pre-formed sleeve or tubular sections of plies and belts that are formed by weaving methods from rayon or cotton cord and provide for sequentially pulling success spacer, plies and belts layers over a tire a mandrel, forming the core as a stack of
  • cone or cones for use with the invention may be different cones that vary in
  • the cone greater diameter end is aligned with the edge of a mandrel that is the shape of
  • crown to receive, successively, sleeves or plies, belt or belts fitted thereon, with spacers or separators
  • a practice of the method on the apparatus of the invention provides for a near automated
  • Another object of the present invention is to provide a process and apparatus for
  • crown providing a stack with porous separators therebetween and with beads positioned onto the
  • Another object of the present invention is to provide a process and apparatus for
  • an elastomer that is a mixture of a selected isocyanate and polyol that are combined to have, when cured, physical properties comparable to those of a conventional transport tire designed for carrying
  • Another object of the present invention is to provide a process where plies and belts are
  • each of a pair of beads that positions the individual bead onto the sides of the plies and provides for folding the plies cords ends over the beads and securing the plies cords
  • Another object of the present invention is to provide a process and apparatus for forming an
  • Another object of the present invention is to provide sleeves as the plies and belt or belts that
  • the sleeves to be expanded as they are pulled over the tire mandrel and, when that expansion force
  • Still another object of the present invention is to provide, as an apparatus for expanding the
  • plies and belts sleeves plies and belts sleeves, an elongate frustum cone having a greater diameter end that fits snugly over
  • Still another object of the present invention is to provide, an apparatus for pivoting the core during its formation from one tire side through one hundred eighty degrees, to the other tire side, to
  • Still another object of the present invention is to provide an apparatus for urging the plies
  • plies cords end portions to one another
  • Still another object of the present invention is to provide for maintaining belt positioning by
  • Still another object of the present invention is to provide a process for winding tire cord, that
  • Kevlar cord is preferably Kevlar cord, around the top belt circumference, completing the core of plies, belts and beads.
  • the present invention is in a semi-automated process and apparatus for forming a tire core of plies, belts and beads that is laid-up upon on a mandrel portion of an inner mold that, when
  • liquid elastomeric material as is produced in a mixing of an isocyanate and polyol that is passed
  • a mold for practicing the method can, but
  • the invention provides a use of an inner mold that has a
  • the inner mold receives an outer mold fitted thereto, with the core occupying an annular portion of the finished mold that is to receive a flow of the elastomeric material, forming, by spin casting, in a single molding operation, a finished elastomeric tire that is
  • the process of the invention is preferably practiced on an inner mold that is bolted together
  • top and bottom hubs a manifold and hard core
  • mandrel that has a shape of a tire interior wall, providing a surface for building the tire core on.
  • inner mold is preferably mounted on a movable arm capable of being pivoted through one hundred
  • a sleeve is formed from a weave of plie cords that includes elastic cords or strands woven therein. So arranged, an expander cone, that is a truncated cone, is positioned alongside the side of the inner mold side that has received a layer of
  • the spacer or separator material is preferably a cotton batting
  • a spacer that is preferably a two layer section of cotton batting.
  • the hanging plies cords are folded around the beads and upon themselves above the bead.
  • the application of the beads and plies cord folding are accomplished with the bead center plate that further includes an expanding bladder apparatus that,
  • An adhesive such as a pre-cured elastomer
  • the sleeve is either of the appropriate length to extend across the crown, or is cut to a width to provide for covering the crown.
  • the cotton spacer or separator edges are folded down,
  • the belt first receives a separator that is preferably a two ply layer of a
  • more than one belt can be so fitted around the inner mold with spacer layer, that is
  • the two ply section of cotton batting is positioned between each belt.
  • the inner mold can receive each of a pair of gear plates fitted to the inner mold sides with the teeth of
  • belt cord is wound back and forth between teeth that are offset such that the belt cord forms approximately a twenty four degree angle to the inner mold
  • the separator layer that is preferably of two ply cotton batting, is fitted between each
  • the invention includes a use of the expander cone to position the woven
  • the belt or belts are formed as a woven sleeve of belt cords, the
  • the sleeve is then cut
  • the outer mold is fitted to the inner mold, with the formed core occupying the finished mold annular area. Thereafter, a flow of an elastomeric material is directed into the mold while it is spinning at a rate of between two hundred fifty and seven hundred r.p.m., forming a
  • the invention may take physical form in certain parts and arrangement of parts, used to make
  • Fig. 1 shows an exploded perspective view taken from above a bottom hub plate whereto a
  • Fig. 2A shows the inner mold components of Fig. 1 receiving a pair of hard foam core
  • Fig.2B shows all but a pair of the hard foam core segments assembled to the bottom hub as a mandrel
  • Fig. 3 A shows the completion of the hard foam core segments assembly and with a top hub plate fitted onto the hard foam core segments
  • Fig. 3B shows the top hub plate being bolted onto the top of the manifold
  • Fig. 4 A shows the hard core assembly of Fig. 3B as having been mounted onto an axle that is fitted to a pivoting arm, with the hard core assembly shown rotated ninety degrees, showing an
  • Fig.4B shows a top plan sectional view taken along the line 4B- 4B of Fig.4A looking down
  • Fig.4C is a view like that of Fig.4B except that the plies sleeve end has been drawn over and
  • Fig.4D is a view like that of Fig.4C except the expander cone has been removed and the left
  • Fig. 4E is a view like that of Fig. 4D except that the bead centering plates have both been
  • Fig.4F is a view like that of Fig.4E only showing the plies cords ends as having been folded across the hard core assembly circumference, the left side plies cords ends covering the right side
  • plies core ends and showing the bead centering plates being removed, illustrated by arrows B;
  • Fig. 5A is a view like that of Fig. 4D only showing a pair of bladder and hard plate
  • Fig. 5B is a view like that of Fig. 5 A only showing the left bladder and hard plate assembly
  • the hard plate contacts the side of the hard core assembly and showing a bead maintained by the hard
  • Fig.5C is a view like that of Fig.5B that additionally shows the right bladder and hard plate fitted into the plies cords sleeve end and showing a bead maintained by the hard plate edge against
  • Fig. 5D is a view like that of Fig. 5C only showing a press plate engaging the expanded left
  • Fig. 5E is a view like that of Fig. SO only showing the press plate as having been urged
  • Fig. 5F is a view like that of Fig. 5E only showing the press plate as having been moved to its limit of travel against the bladder that has deflated to extend the bladder around the hard core
  • Fig. 6 A shows a top plan view like that of Fig. 4B except that the expander cone is shown
  • Fig. 6B shows the hard core assembly with the plies ends extending up the hard core
  • Fig. 7A shows an alternative arrangement for forming belts onto the inner mold circumfer ⁇
  • Fig. 7B shows a view like that of Fig. 7A showing a spool of belt cord with the belt cord
  • Fig. 7C shows a view like that of Fig. 7B after two belt sections have been wound between
  • Fig. 7D shows a view like that of Fig. 7C with a layer of cotton batting shown wound around the core circumference, a threaded needle is shown being passed through the belt ends as they are
  • Fig. 7E is a view like that of Fig.7D and with the threaded needle having passed through the belt loop ends on both sides of the crown and with the threaded ends pulled together, pulling the belts side down over the shoulders of the crown;
  • Fig. 7F shows a view like that of Fig. 7E and additionally illustrates, as a spool, cord being rolled off the spool and winding it around the crown'that has been covered by a separator layer of cotton batting;
  • Fig. 7G shows a view like that of Fig. 7F only the wound tire cord as covering the crown;
  • Fig. 8A shows the hard core assembly, with the tire core wound thereon, removed from the
  • Fig. 8B shows one of a number of tread segments that are fitted together to form the exterior or outer mold
  • Fig. 8C shows the tread segments of Fig. 8B assembled into the mold outer wall
  • Fig. 8D shows a top plate installed onto the assembly of Fig. 8C with arrows D indicating
  • Fig. 9 shows a side elevation exploded sectional view of a section of a tire manufactured by
  • Fig. 10 shows an assembled view of the tire of Fig. 9.
  • the invention is in a process and apparatus for forming of a tire core within an inner mold of properly positioned plies, belts and beads, closing that inner mold with an outer mold that is to
  • FIG.9 encapsulated therein, provides a near perfectly balance tire that is like that produced by a practice of the method or process of the invention in apparatus of the invention, shown in
  • an inner mold hub base 31 a as shown in Fig. 1 , is used.
  • the inner mold base 31 a is
  • center dish 32 that has a center opening 33, includes spaced elliptical ports 34,
  • each post 36 is located at spaced intervals, and each post includes a threaded nut 37 that is secured onto each post end 36a.
  • the huh base 31 a is stepped upwardly into a Hp 38 and, outwardly from the lip 38, it is stepped downwardly into a flat portion 39 that extends to the plate edge.
  • a cylindrical hub 40 that has a center opening 42
  • cylindrical hub 40 is maintained in position by fitting a rod 43 through a side longitudinal hole 44
  • Fig.2 A shows the hub 40 fitted onto the inner mold hub base 31a and is maintained thereon
  • FIG. 2 A shows mounting holes of the hard foam core top and bottom sections 45 and 45b, respectively,
  • Fig.3 A shows the top of the hub 40 with the hard foam core top and bottom sections 45a and 45b assembled thereon aligned with a hub top 31b with, it should be understood, the hub base and
  • FIG. 3B shows the hub top 3 Ib
  • Fig. 4 A shows the inner mold 30 as having had an axle 48 mounted through the aligned
  • pivot post 49 preferably includes
  • base 51 thereof arranged to allow for three hundred sixty degrees of rotation, forming the build stand.
  • crown that is preferably at least a two ply or layer of cotton batting.
  • An expander cone 53 that is shown as a truncated cone having a greater diameter forward end 53a and a lesser diameter rear end
  • the expander cone 53 is to receive a sleeve 54 that
  • sleeve woven from plies cord that, for a practice of the invention, is preferably rayon or cotton cord that, in practice, has been found to accept a flow of the elastomeric material into the cord surface, providing a weld of the cord and elastomer that is resistive of separation, and, as needed,
  • Fig.4B shows the expander cone 53 as having had its forward end 53a moved over the edge
  • axle 48 supports and guides the expander cone 53 as it
  • bead center plates 57 are shown, respectively, contacting a right side of the inner mold 30 and are aligned to passthrough the plies sleeve 54, whose function
  • Fig.4C shows the components of Fig.4B except that the forward portion of the plies sleeve
  • Fig.4D is the view of Fig.4C after the expander cone has been removed and a separator layer
  • a left bead centering plate 57 is fitted into the sleeve end, travels through the sleeve, capturing the bead 58 on its end 57a and positioning the bead in proper alignment against
  • a bead centering plate 57 is shown aligned for fitting into the plies cord sleeve 54 right end, for also capturing and positioning the bead 58 against the right side of the inner mold.
  • Fig.4E shows both the bead centering plates 57 fitted through the plies sleeve with the beads 59 positioned by the bead centering plates ends 57a against the sides of the inner mold 30, and
  • Fig. 4F shows both the plies sleeve 54 ends as having been folded over the beads 59 and
  • Fig> 5 A shows the view of Fig.4D, except that a pair of bladder and hard plate 60 have been substituted for the bead centering plates for mounting the beads 59 onto the inner mold sides.
  • Each bladder and hard plate 60 includes a hard plate 61, that is essentially a bead centering plate and
  • Beads 59 are shown as having been slid along the sleeve
  • Fig. 5B is a view like that of Fig. 5 A with the left side bladder and hard plate 60 shown as
  • Fig. 5C shows a view like that of Fig. 5B only showing both of the bladder and hard plates
  • Fig. 5D is a view like that of Fig. 5C only showing the plies sleeve ends as having been cut to a lesser length to ends 54a and 54b and showing the bladder 62 of the left bladder and hard plate 60 as having been expanded with air, under pressure, passed through the stem 63, illustrated with
  • Which pressure plate includes a flat piston end 65 whose forward face is in contact with the
  • the plies sleeve 54 can be of lesser length avoiding having to cut off the sleeve ends
  • the plies sleeve ends 54a and 54b can be left long and folded over the inner mold crown, like the arrangement shown in Figs 4E and 4F.
  • Fig. 5E shows the pressure plate 64 as having advanced into the bladder 63, as air is being
  • Which operation can include coating the plies cords above the plies with an adhesive, such as a pre cure elastomer, before the plies cords ends are moved by the deflation of the adhesive.
  • an adhesive such as a pre cure elastomer
  • Fig. 5F is a view like that of Fig. 5E only showing the bladder 62 as having been further
  • bladder has flowed around the inner mold 30 shoulders with, in that flow, the bladder surface has tended to stretch the plies cords ends 53a away from bead 59 and urge the plies cords ends into close engagement with the plies cords above the bead. Which action tends to force any trapped air out
  • Figs 5 A through 5F the plies cords are shown cut to fold to just above the bead but do not extend to beyond the inner mold shoulders.
  • FIG. 6A Shown in Fig. 6A the core of plies and belts of either Figs. 4A through 4F or Figs. 5 A
  • separator layer or layers 67 that are preferably sections of cotton batting
  • a belt expander 68 that is like and functions
  • the truncated cone plies expander 53 may be the same as, the truncated cone plies expander 53 except that its greater diameter end is of a diameter to fit over the side of the inner mold whereon have been formed the plies with
  • separator layers extending to at or near to the center of the inner mold crown. So arranged, shown
  • a first belt 69 and, as required, a second belt 69a can be passed over the belt expander 68
  • a preferred spacing material is a four' layer section of cotton batting that is approximately eight inches wide, and is wound circumferentially around the crown to hold the plies in place. The sides of which final separator layer 72 are, in turn,
  • a tire cord layer 72 is applied by winding a strand of tire cord around the belt circumference, with
  • a layer of a separator 70 that is a gauze material, preferably cotton batting, having approximately four layers and is wrapped around the first belt 68 circumference.
  • a separator 70 that is a gauze material, preferably cotton batting, having approximately four layers and is wrapped around the first belt 68 circumference.
  • each belt is separated from the belts below and above by a separator, that is also preferably sections of cotton batting, with a final separator layer 71 applied over the top belt.
  • a tire wrap 72 is also preferably sections of cotton batting, with a final separator layer 71 applied over the top belt.
  • Kevlar cord 72 is applied over the final separator layer 71 that is preferably a Kevlar cord 72 that, as described
  • the belt 69 and 69a can be formed
  • gear plates 76 each having center openings 76a, are fitted onto the opposite axle 48 ends and are each slid over a center dish 32
  • the gear plates 76 are positioned and held to the mold bases
  • a continuous belt cord 78 is wound on the bias from a tooth on one side of the gear plate to
  • a spool 79 is shown in Fig. 7B as having
  • the belt cord 78 wound thereon that is preferably cotton or rayon cord and, it should be understood,
  • a first belt segment is wound, as shown in Fig. 7B, whereafter a second belt segment is wound over the first except that the second belt segment is wound over teeth that are selected to provide that the cords of the second belt segment a slope that is opposite to the slope of the cords of
  • separator layer 70 is porous to
  • the separator 67 of Fig. 7A and is preferably a four layer section of cotton batting having a width of approximately eight inches.
  • the belt loop ends are picked off
  • a single belt 69 only, as formed as set out above, can be applied onto separator layer 67 or an additional belt or belts, like the belt 69a of Figs. 6A and
  • each belt having a separator layer, as described, therebetween and a with a final separator layer 71 , like that shown in Fig.6B, is applied over the crown, as shown in Fig.7E,
  • Kevlar cord it is continuous, and is preferably a Kevlar cord, is wound around the core crown, winding from one
  • Kevlar wrap 72 like that of Fig.6B, and Fig 7G , completing the core 75 formation on the inner mold 30 mandrel.
  • the core 75 is turned and is moved onto a mold base 85, as shown in Fig. 8A, that has a
  • lifting rod 84 extending from the center thereof that is passed through the hub top 31b center opening
  • a tread segment 87 Shown in Fig. 8B is a tread segment 87 that is one of a number of like thread segments that
  • segments 87 are used that are individually numbered from one to eight to fit, as shown in Fig. 8A,
  • tread segments 87 are shown in Fig. 8C fitted around the mold base plate 85 leaving the top open, exposing lifting rod 84 that extends upwardly
  • a mold top 86 has been fitted across the tread segments 87 completing the outer mold 88.
  • lifting rod 84 that is fitted through a cover plate 86 center opening 87 that is releasably attached to a crane or other lifting device that moves the assembly to a casting well.
  • the mold can then receive a flow of a liquid elastomer that is passed through a
  • the invention is in the arrangement of a core 75 of plies, belts and beads, as shown in Fig.9, is formed for positioning in a mold to receive an elastomer spun cast or molded around the core 75 that has been formed on the inner mold 30 mandrel, and is positioned
  • the elastomer constituents are preferably a liquid isocyanate and a liquid poly, respectively, that are
  • the elastomer constituents are further selected to,
  • the invention is in a formation of a tire core 75 on an inner
  • separators between the inner mold, plies and belt or belts that are preferably porous cotton batting
  • the finished mold contains gate plate sections for directing
  • a method for manufacturing a tire core on an inner mold mandrel having the shape of a tire inner surface and receives an outer mold fitted thereover that a flow of an elastomeric material is directed into in a spin casting operation where the mold annular area is filled and encapsulates the tire core, forming a tire comprising the steps of, assembling an inner mold that includes top and bottom hub plates with a hub fitted therebetween forming an assembly, with the assembly having a center passage therethrough and aligned ports and a mandrel having a shape of a tire interior wall encircling said hub, with said mandrel exterior surface to receive a core of plies, belts and beads built thereon; fitting an axle through said center passage and supporting at least an end of said axle on a build stand that allows the inner mold to be turned affording access to the mandrel sides and crown; fitting a layer of a porous spacing material around said mandrel crown; fitting a plies expander cone large diameter end over an edge of said spacing material to approximately the center
  • axle from a horizontal to a vertical attitude.
  • porous spacing material is a wrap of cotton
  • the mandrel crown and its lesser diameter end will accommodate the plies sleeve pulled thereover.
  • the plies sleeve is formed from a weave of plies cords and includes strands on an elastic material whereby the sleeve can stretch as it is moved along the plies expander cone and spring back into tight fitting engagement around the mandrel
  • top edge mandrel to approximately the mandrel center whereover the layers of plies and porous
  • porous spacing layer is fitted around the mandrel crown, covering the belt and the sides of which
  • porous spacing layer are pulled across the mandrel shoulder and onto the plies side walls.
  • lacing cotton or rayon belt cord on the bias between offset gear teeth around the mandrel circumference forming a first belt segment where the segment cord is at approximately a twenty four degree angle to a center line around the circumference, and forming a second overlaying belt segment by lacing cotton or rayon belt cord on the bias between offset gear teeth around said mandrel circumference, forming a second segment that overlays with the cords of said first segment and with the belt segments cords sloping oppositely, each at approximately a twenty four degree angle to a center line around the mandrel circumference, forming a belt; and applying a porous separator layer

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé et un appareil pour former une âme de plis, ceintures et talons et positionner cette âme dans un moule pour le formage d'un pneumatique élastomère. Cette âme est disposée sur un mandrin du moule intérieur (30) formé à partir de segments d'âme en mousse dure positionnés entre des plaques de moyeu supérieure et inférieure, autour d'un moyeu central pourvus de passages d'écoulement formés à travers ce dernier et à travers les plaques de moyeu. Des plis servant à la réalisation de l'âme se présentent sous la forme d'un manchon tissé (54) destiné à passer sur un cône élargisseur (53) et sur le mandrin, sur lequel un séparateur (52) a été positionné, et un talon est placé sur chaque extrémité de manchon qui reçoit une plaque de centrage de talon (57) placée dans le manchon (54), fixant le talon et le positionnant sur le côté du mandrin, et permet le pliage de l'extrémité des plis sur le talon et jusque chaque côté du mandrin.
PCT/US2005/026912 2005-11-23 2005-11-23 Procede et appareil pour former une ame de plis, ceintures et talons WO2007061400A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002554864A CA2554864C (fr) 2005-11-23 2005-11-23 Methode et dispositif ameliores permettant de former un noyau de brins, lanieres et perles, et de positionner le noyau dans un moule pour produire un pneu elastomerique
JP2008542288A JP2009529435A (ja) 2005-11-23 2005-11-23 エラストマタイヤを形成するために、プライ、ベルト及びビードのコアを形成し、そのコアをモールドに配置するための改善された方法及び装置
CNA2005800125523A CN101090812A (zh) 2005-11-23 2005-11-23 用于形成带束、帘布层和胎圈的芯部的方法和设备
PCT/US2005/026912 WO2007061400A1 (fr) 2005-11-23 2005-11-23 Procede et appareil pour former une ame de plis, ceintures et talons
EP05856889A EP1954480A1 (fr) 2005-11-23 2005-11-23 Procede et appareil pour former une ame de plis, ceintures et talons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2005/026912 WO2007061400A1 (fr) 2005-11-23 2005-11-23 Procede et appareil pour former une ame de plis, ceintures et talons

Publications (2)

Publication Number Publication Date
WO2007061400A1 true WO2007061400A1 (fr) 2007-05-31
WO2007061400A8 WO2007061400A8 (fr) 2008-04-10

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PCT/US2005/026912 WO2007061400A1 (fr) 2005-11-23 2005-11-23 Procede et appareil pour former une ame de plis, ceintures et talons

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EP (1) EP1954480A1 (fr)
JP (1) JP2009529435A (fr)
CN (1) CN101090812A (fr)
CA (1) CA2554864C (fr)
WO (1) WO2007061400A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2011154323A1 (fr) 2010-06-08 2011-12-15 Vmi Holland B.V. Dispositif d'élargissement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5200124B2 (ja) * 2011-01-28 2013-05-15 住友ゴム工業株式会社 空気入りタイヤの製造方法
NL2018238B1 (en) 2017-01-26 2018-08-01 Vmi Holland Bv Apparatus and method for applying a gum strip to an edge of a cord reinforced ply
CN110561979B (zh) * 2019-08-30 2021-07-20 青岛慕沃科技有限公司 一种聚氨酯充气轮胎的制造方法

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US1734023A (en) * 1923-03-07 1929-10-29 Firestone Tire & Rubber Co Method of manufacturing tires
US2521143A (en) * 1947-12-29 1950-09-05 Us Rubber Co Tire building apparatus
GB1223242A (en) * 1968-11-25 1971-02-24 Continental Gummi Werke Ag Improvements in or relating to tyre manufacturing apparatus
US4295513A (en) * 1980-04-11 1981-10-20 The Goodyear Tire & Rubber Company Tire and method of reinforcement

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JPS51105377A (fr) * 1975-03-13 1976-09-17 Tatsutaro Nomura
FR2460200A1 (fr) * 1979-06-29 1981-01-23 Michelin & Cie Procede de fabrication de pneumatiques par moulage, et pneumatiques obtenus par ce procede

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Publication number Priority date Publication date Assignee Title
US1619019A (en) * 1922-07-11 1927-03-01 Goodrich Co B F Tire-building method and apparatus
US1734023A (en) * 1923-03-07 1929-10-29 Firestone Tire & Rubber Co Method of manufacturing tires
US2521143A (en) * 1947-12-29 1950-09-05 Us Rubber Co Tire building apparatus
GB1223242A (en) * 1968-11-25 1971-02-24 Continental Gummi Werke Ag Improvements in or relating to tyre manufacturing apparatus
US4295513A (en) * 1980-04-11 1981-10-20 The Goodyear Tire & Rubber Company Tire and method of reinforcement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011154323A1 (fr) 2010-06-08 2011-12-15 Vmi Holland B.V. Dispositif d'élargissement

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CA2554864C (fr) 2007-06-26
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EP1954480A1 (fr) 2008-08-13
CA2554864A1 (fr) 2006-11-15
WO2007061400A8 (fr) 2008-04-10

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