CN105102713A - Reinforced rubber product comprising a sheathed reinforcing element - Google Patents
Reinforced rubber product comprising a sheathed reinforcing element Download PDFInfo
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- CN105102713A CN105102713A CN201480020715.1A CN201480020715A CN105102713A CN 105102713 A CN105102713 A CN 105102713A CN 201480020715 A CN201480020715 A CN 201480020715A CN 105102713 A CN105102713 A CN 105102713A
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- Prior art keywords
- enhancing
- mechanical anchor
- circumference
- axial mechanical
- polymer jacket
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0606—Reinforcing cords for rubber or plastic articles
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0606—Reinforcing cords for rubber or plastic articles
- D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
- D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
- D07B7/145—Coating or filling-up interstices
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2012—Wires or filaments characterised by a coating comprising polymers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2042—Strands characterised by a coating
- D07B2201/2044—Strands characterised by a coating comprising polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2046—Strands comprising fillers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2084—Jackets or coverings characterised by their shape
- D07B2201/2086—Jackets or coverings characterised by their shape concerning the external shape
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
Abstract
A reinforced rubber product for a tyre comprises a reinforcing element (12) extending in a main direction (A, X) and embedded in a mass of coating rubber. The reinforcing element (12) comprises: at least one wire element (16) coated with a polymer sheath (18), and at least one circumferential and/or axial mechanical anchoring element (22) of the mass of coating rubber, the circumferential and/or axial mechanical anchoring element (22) being formed in or on the polymer sheath (18).
Description
Technical field
The present invention relates to a kind of enhancing rubber product for tire, tire, prepare the enhancing method of rubber product and the equipment for the preparation of this enhancing rubber product.The present invention is applicable to the tire of any type.
Background technology
The tire such as with the radial carcass reinforcement of vehicle for heavy vehicle type known in the state of the art.Tire comprises tyre surface, two not extensile tyre beads, two sidewalls tyre bead being connected to tyre surface and the crown reinforcements be circumferentially arranged between carcass reinforcement and tyre surface.
Carcass and crown reinforcement comprise one or more enhancing casing ply, and described enhancing casing ply comprises the enhancing element embedding and cover block rubber.Each enhancing element has long straight global shape and extends in the principal direction being arranged essentially parallel to its length.
In the prior art, each enhancing element comprises the wire-element being formed and have the core of multiple metal monofilament, such as layering cord.Under specific circumstances, strengthen element and also comprise the polymer jacket covering wire-element, the sheath be such as made up of thermoplastic (such as nylon).Polymer jacket has substantially circular cross section.
In enhancing casing ply, strengthen element and cover block rubber being fixed to one another by the combination of the sticky type between the outer surface and the inner surface covering block rubber of polymer jacket.
Now, under the effect of some mechanical stress repeatedly applied in tyre in operation process, particularly to cause circumference between block rubber and/or under the effect of torsion that moves axially, this viscosity is in conjunction with possible loss effect at polymer jacket and covering.
If this thing happens, even if wire-element still has and can allow to strengthen element and correctly perform the engineering properties of its function and durability and viscosity combines and do not destroy, strengthen element and no longer can perform the function that it strengthens described enhancing casing ply.Therefore must re-type.
Summary of the invention
The object of the invention is to extend the tire operable time.
For this purpose, a theme of the present invention is the enhancing rubber product for tire, and described enhancing rubber product comprises extension in a main direction and embeds the enhancing element covering block rubber, and described enhancing element comprises:
-at least one wire-element, described wire-element is covered by polymer jacket, and
-at least one anchoring element, described anchoring element is used for the circumference of described covering block rubber and/or axial mechanical anchor, described circumference and/or axial mechanical anchor element in described polymer jacket or on formed.
Enhancing rubber product according to the present invention makes likely to extend the tire operable time.
Especially, on the other hand, sheath limits or even avoids outside agent (particularly possible corrosion reagent) infiltrate and contact with one or more wire-element, and restriction strengthens the inefficacy of element thus.
In addition, due to circumference and/or axial mechanical anchor element, the risk of the viscosity decohesion between sheath and covering block rubber reduces.Circumferential and/or axial mechanical anchor element makes likely by being mechanical anchoring in by covering block rubber in sheath or going up thus ensure mechanical bond.This mechanical bond adds that viscosity combines, and stands less mechanical stress thus.
Viscosity is combined in the combination that this means substantially to cause due to the interaction of sheath and the chemistry covered between block rubber and/or electrostatic property steadiness.
Mechanical bond this mean substantially due to sheath and cover between block rubber geometrical arrangements and cause the combination of steadiness.
Mechanical anchor element can provide the mechanical anchor only in the circumferential, only in the axial direction or on both circumferential and axial.
Circumference mechanical anchor means anchoring element and avoids sheath relative to any movement in circumferential direction of covering block rubber.Axial mechanical anchor means anchoring element and avoids sheath relative to any movement of covering block rubber on axial direction (that is being parallel to the direction of principal direction).
Wire-element means its length any length straight element larger relative to its cross section, regardless of the shape of this cross section, such as circular, oval, rectangle or square or even flat, this wire-element is likely straight line or non-directional, such as twisted or wavy.When cross section is round-shaped, its diameter is preferably less than 5mm more preferably from the scope of 0.1 to 2mm.
In one embodiment, one or more wire-element is weaving.One or more wire-element that means of weaving is made by being selected from following material: polyester, such as polyethylene terephthalate (PET), PEN (PEN), polybutylene terephthalate (PBT) (PBT), PBN (PBN), polytrimethylene terephthalate (PPT) or poly-naphthalenedicarboxylic acid propylene glycol ester (PPN), polyamide, such as aliphatic polyamide is as nylon, or aromatic polyamides is as aramid fiber, polyketone, celluloses is as the mixture of artificial silk or these materials.
In another embodiment, one or more wire-element is metal.According to definition, metal mean one or more wire-element main (that is being greater than 50 % by weight) or all (100 % by weight) be made up of metal material.Preferably, metal material is steel, is more preferably advantageously included in pearlite (or ferrite-pearlite) carbon steel of the carbon between 0.4 % by weight and 1.2 % by weight.
In enhancing rubber product, cover block rubber preferably unprocessed.
Advantageously, circumferential and/or axial mechanical anchor element and polymer jacket entirety are formed.
Overall formation means circumference and/or axial mechanical anchor element is made up of the material identical with sheath and becomes to be integrated with sheath.
Preferably, strengthen element comprise multiple circumferentially and/or to be vertically distributed in respectively in polymer jacket or on circumference and/or axial mechanical anchor element.
In one embodiment, circumferential and/or axial mechanical anchor element is included in the circumference and/or axial mechanical anchor cavity that are formed in polymer jacket.
Cavity radially extends towards sheath inside.Cavity forms the private parts that can receive the positive portion covering block rubber.
In an alternative form preferably, circumferential and/or axial mechanical anchor cavity forms groove, and described groove is arranged essentially parallel to principal direction respectively and/or circumferential direction extends.
In another alternative form preferably, each cavity is discrete entities.
In another embodiment, circumferential and/or axial mechanical anchor element is included in circumference and/or axial mechanical anchor protuberance that polymer jacket is formed.
Protuberance radially extends towards sheath outside.Mechanical anchor protuberance forms the positive portion that can be received in the private parts covering block rubber.
In an alternative form preferably, circumferential and/or axial mechanical anchor protuberance forms track, and described track is arranged essentially parallel to principal direction respectively and/or circumferential direction extends.
In another alternative form preferably, each protuberance is discrete entities.
As discrete entities cavity or protuberance means cavity or protuberance extends in principal direction and circumferential direction in limited distance.
Advantageously, circumferential and/or axial mechanical anchor element is configured to make polymer jacket and cover block rubber radially relative to each other anchoring.
Except providing circumference and/or axial mechanical anchor, described element can also avoid polymer jacket to move radially relative to covering any of block rubber, that is perpendicular to any movement of principal direction.
Preferably, perpendicular in the plane of principal direction, polymer jacket is limited by concave profile (that is non-convex profile).Concave surface means perpendicular in the plane of principal direction, the profile of sheath exists at least two and can be connected with straight line and can not exclusively through the point of sheath.
Optionally, each anchoring element has and is more than or equal to 0.01mm, preferred 0.02mm, the more preferably characteristic size of 0.05mm.Characteristic size means perpendicular in the plane of principal direction, and the profile limiting each anchoring element can the minimum diameter of circle of inscribe.
Alternatively, polymer jacket is made up of the composition comprising at least one being selected from following compound: the mixture of elastomer, thermoplastic polymer and these compounds.Advantageously, polymer jacket is by having 120 DEG C or higher, and preferably 140 DEG C or higher, more preferably the composition of 160 DEG C or higher fusing point is made.Therefore, sheath has the high ability of bearing heat, therefore likely reduces the degree of at high temperature mechanical anchor deterioration.
Alternatively, the bonded oxidant layer of polymer jacket, the adhesive coating of such as RFL (resorcinol-formaldehyde-latex) or connection of equivalent type covers.
In one embodiment, polymer is elastomer.Preferably, elastomer is diene elastomer, is more preferably selected from: polybutadiene (BR), synthetic polyisoprenes (IR), natural rubber (NR), butadiene copolymer, isoprene copolymer and these elastomeric mixtures.Described copolymer is more preferably selected from the mixture of Styrene-Butadiene (SBR), isoprene-butadiene copolymer (BIR), isoprene styrene copolymer (SIR), isoprene-butadiene-styrol copolymer (SBIR) and these copolymers.
In one embodiment, polymer is thermoplastic.Preferably, thermoplastic polymer is selected from the mixture of polyester, polyamide, polyketone, cellulose, polyphenylene oxide, thermoplastic elastomer (TPE) (TPE) or these materials, more preferably polyester and polyamide.
Preferably, polyester is selected from polyethylene terephthalate (PET), PEN (PEN), polybutylene terephthalate (PBT) (PBT), PBN (PBN), polytrimethylene terephthalate (PPT) and poly-naphthalenedicarboxylic acid propylene glycol ester (PPN), more preferably polyethylene terephthalate (PET).
Preferably, polyamide is aliphatic polyamide, such as nylon.
Preferably, thermoplastic elastomer (TPE) (TPE) is styrenic elastomer (TPS).Thermoplastic elastomer (TPE) (TPE) can be functionalized.Thermoplastic elastomer (TPE) (TPE) can be undersaturated.
In one embodiment, strengthen element and comprise single wire-element.
In another embodiment, strengthen element and comprise the multiple wire-element of a row.
Such as, wire-element be substantially weave monofilament, basic weaving or metal tape, weaving or metal film, comprise multiple basic weaving monofilament weaving multifilament fiber, comprise multiple twisted weaving multifilament fiber together weaving folded yarn, comprise multiple weaving multifilament fiber textile cord, comprise the metal cords of multiple metal monofilament or comprise the assembly (being called as line stock) of multiple weaving or metal cords.
Comprise in the preferred version of the wire-element with multiple metal monofilament or textile fabric or multiple line stock at enhancing element, metal monofilament, textile fabric or line stock are by twisted or stranded assembling.What carry one is the possible technology that existence two kinds is used for assembling:
-twisted: wherein metal monofilament, textile fabric or line stock stand collective's twisted and independent twisted around himself axis, thus produce backtwisting moment of torsion on each monofilament or line stock;
-or stranded: wherein metal monofilament, textile fabric or line stock only stand collective's twisted and without undergoing independent twisted around himself axis.
In one embodiment, wire-element is metal.
Alternatively, wire-element be metal and comprise multiple monofilament and be the type of original position rubbery, that is when in fact using filled rubber to prepare wire-like element from inner rubber.Described wire-like element is well known by persons skilled in the art.The composition of filled rubber can be identical with the composition of sheath.
Preferably, one or more wire-element adds sheath online, that is adds sheath with sheath to one or more wire-element when preparing and strengthening element.
Advantageously, sheath directly covers one or more wire-element.Directly mean one or more wire-element and sheath contacts with each other.
Another theme of the present invention is tire, and described tire comprises extension in a main direction and embeds the enhancing element covering block rubber, and described enhancing element comprises:
-at least one wire-element, described wire-element is covered by polymer jacket, and
-at least one anchoring element, described anchoring element is used for the circumference of described covering block rubber and/or axial mechanical anchor, described circumference and/or axial mechanical anchor element in described polymer jacket or on formed.
In cure tyre, cover block rubber solidification.
Another theme of the present invention is the method for the enhancing rubber product for the preparation of tire, and described enhancing rubber product comprises extension in a main direction and embeds the enhancing element covering block rubber, wherein:
-at least one wire-element is covered by polymer jacket;
-in polymer jacket or on form at least one anchoring element, described anchoring element is for the formation of strengthening the circumference of covering block rubber of element and/or axial mechanical anchor; And
-strengthen element to embed covering block rubber.
The enhancing rubber product limited above can be obtained by the method.
Another theme of the present invention is the equipment for the preparation of the enhancing rubber product for tire, and described enhancing rubber product comprises extension in a main direction and embeds the enhancing element covering block rubber, and described equipment comprises:
-utilize polymer jacket to add the device of sheath at least one wire-element, add sheath device and comprise aperture for shaped polymer sheath, described aperture has profile and is provided so that strengthening element comprises at least one anchoring element, described anchoring element for cover the circumference of block rubber and/or axial mechanical anchor and in polymer jacket or on formed, and
-use the cladding system covering block rubber coverage enhancement element.
Accompanying drawing explanation
The following description only provided in non-limiting example mode by reference to appended accompanying drawing will be better understood the present invention, in the drawings:
-Fig. 1 is the sectional view according to tire of the present invention;
-Fig. 2 is the sectional view according to enhancing rubber product of the present invention, and described enhancing rubber product comprises multiple enhancing element according to first embodiment;
-Fig. 3 is the stereogram of the enhancing element of Fig. 2;
-Fig. 4 is the projection of the principal direction of the enhancing element of Fig. 2;
-Fig. 5 and Fig. 6 display is according to the Preparation equipment of the enhancing element for the preparation of tire of the present invention;
-Fig. 7 and Fig. 8 are according to second figure similar to Fig. 4 with the enhancing element of the 3rd embodiment;
-Fig. 9 and Figure 10 are the figure similar to Fig. 3 with Fig. 4 of the enhancing element according to the 4th embodiment;
-Figure 11 is the figure similar to Fig. 4 of the enhancing element according to the 5th embodiment;
-Figure 12 is the figure similar to Fig. 3 of the enhancing element according to the 6th embodiment;
-Figure 13 is the figure on the direction XII of the enhancing element of Figure 12;
-Figure 14 is the figure similar to Fig. 3 of the enhancing element according to the 7th embodiment.
Detailed description of the invention
Fig. 1 show with Reference numeral 1 represent according to tire of the present invention.
Tire 1 is preferably intended to for industrial vehicle, described industrial vehicle be selected from lorry, heavy vehicle such as " heavy loads vehicle " – and railcar, motor bus, road transport vehicle (truck, tractor, trailer), cross-country vehicle – agricultural or building site vehicle, airborne vehicle, other transport or carrying vehicle.As a variant, tire 1 is intended to for passenger stock or sulky vehicle.
Tire 1 comprises crown 2 (described crown 2 crown reinforcement 3 strengthens), two sidewalls 4 and two tyre beads 5, and each bead 6 of these tyre beads 5 strengthens.Crown 2 covers tyre surface, and described tyre surface is not shown in this schematic figure.Carcass reinforcement 7 is wound around around two bead 6 and each tyre bead 5 and comprises such as towards the crimping 8 of tire 1 outer setting.Crown reinforcement 3 comprises crown plies 9.
Fig. 2 shows the enhancing rubber product 10 that may be used for preparing tire 1.Once tire 1 sulfuration, the enhancing rubber product 10 of Fig. 2 is intended to form crown plies 9.Strengthen rubber product 10 therefore to show with its rough (namely before the sulfuration of tire 1).As a variant, strengthen the casingply that rubber product 10 can be intended to be formed carcass reinforcement 7.
Strengthen rubber product 10 and comprise multiple enhancing element 12 embedding covering block rubber 14.Strengthen the integral form that rubber product 10 presents the band extended in a longitudinal direction.The width L and the height h that strengthen rubber product make L>h, preferred L>10.h.Enhancing element 12 crosses the width strengthening rubber product 10 and is uniformly distributed more or less, that is crosses the width strengthening rubber product 10, and it is equidistant that each enhancing element and the next one strengthen element.
Covering block rubber 14 under conventional mode comprises diene elastomer such as natural rubber, reinforcer such as carbon black and/or silica, cross-linking system such as preferably comprises the vulcanizing system of sulphur, stearic acid and zinc oxide, and possible vulcanization accelerator and/or set retarder.
Direction X, Y, Z of corresponding to the axis (X) strengthening element, radial (Y) and circumferential (Z) direction has been shown in figure below.
Fig. 2 and Fig. 3 shows the enhancing element 12 according to first embodiment.In embodiment shown in Fig. 6 to Figure 13, represent the element similar to shown in Fig. 2 with Fig. 3 by identical Reference numeral.
Strengthen element 12 (be assumed to be straight line and static) to extend on the principal direction A being arranged essentially parallel to axial direction X.
Strengthening element 12 and comprise at least one wire-element 16, is single wire-element 16 in this case.Strengthen element 16 and also comprise the polymer jacket 18 directly covering wire-element 16.In this case, wire-element 16 is metals.As a variant, wire-element 16 can be weaving.
In this particular case, polymer jacket 18 is made up of the composition comprising thermoplastic polymer, and described thermoplastic polymer is aliphatic polyamide in this case, more especially polyamide-6,6 (being commonly called nylon).As a variant, sheath 18 is by comprising elastomer, and the composition of preferred diene elastomer (being natural rubber in this case) is made.
The bonded oxidant layer (not shown) of sheath 18 covers, and described adhesive phase is the adhesive coating of RFL type in this case.
In addition, strengthen element 12 and comprise at least one anchoring element 22, described anchoring element 22 for cover the circumference of block rubber 14 and/or axial mechanical anchor and in sheath 18 or on formed.
Wire-like element 16 comprises layering cord 24 at this, and described layering cord 24 comprises the internal layer 26 with a metal monofilament F1 and the skin 26 with six metal monofilament F2.Metal monofilament F1, F2 of cord 24 are by stranded or twisted assembling.
Strengthen the element 22 that element 12 comprises multiple circumferential mechanical anchor for block 14.Thus avoid sheath 18 and cover any movement of block rubber 14 relative to each other on circumferential direction Z.
Each circumferential mechanical anchor element 22 is formed in sheath 18.Circumference mechanical anchor element 22 circumferentially distributes in sheath 18.
Each circumferential mechanical anchor element 22 is included in the circumferential mechanical anchor cavity 30 formed in sheath 18.Each circumferential mechanical anchor cavity 30 forms groove 32, and described groove 32 is arranged essentially parallel to principal direction A and extends.In this particular case, each groove 32 has the cross section of polygon (being triangle in this case) substantially in perpendicular to the plane of principal direction A.
Perpendicular in the plane of principal direction A, sheath 18 is limited by concave surface (that is non-convex surface) profile C.
Fig. 4 and Fig. 5 is shown for the preparation of the equipment strengthening element 12 and is represented by overall Reference numeral 40.
Equipment 40 comprises the feed arrangement 42 of supply wire-element 16, the apparatus for assembling 44 of assembling wire-element 16, the heater 46 of heater strip linear element 16, what add sheath to wire-element 16 adds sheath device 48, and cooling strengthens the cooling device 50 of element 12 and the cladding system 52 with block rubber 14 cladding element 12.
Feed arrangement 42 comprises the spool 54,55 supplying monofilament F1 and F2 respectively.Apparatus for assembling 44 comprises the distribution grid 56 being attached to assembling guiding piece 58.Heater 46 comprises induction furnace 60.Cooling device 50 comprises water-bath 62.Cladding system 52 comprises calender 64, and described calender 64 transmits two rubber surfaces forming block 14.
Add sheath device 48 and comprise extruder 66, described extruder 66 transmits the composition of sheath 18.Add sheath device 48 and also comprise aperture 68, described aperture 68 is for being shaped sheath 18 and showing in Figure 5.
Shaping aperture 68 has profile C ', and described profile C ' supplements the profile C of sheath 18.Therefore profile C ' is configured such that enhancing element 12 comprises the element 22 of the circumferential mechanical anchor for block 14.
To the method prepared and strengthen element 12 be described now.
First use equipment 40, particularly device 42 to 44 prepares wire-element 16.
Afterwards, in device 48, wire-element 16 is covered with sheath 18.
Afterwards, use shaping aperture 68 in sheath, form circumferential mechanical anchor element 22.
Finally, use calender 64 to be embedded by enhancing element 12 and cover block rubber 14.
Said method attention can be used to obtain and to strengthen element 12.
Fig. 6 and Fig. 7 respectively illustrates the enhancing element according to second and the 3rd embodiment.
Be different from first embodiment, in second and the 3rd embodiment, the anchoring element 22 for the circumferential mechanical anchor strengthening element 12 is configured to make sheath 18 and cover block rubber 14 relative to each other radially anchoring.Thus avoid sheath 18 and cover any movement of block rubber 14 relative to each other on radial direction Y.
Especially, perpendicular in the plane of principal direction A, each circumferential mechanical anchor element 22 has variable cross-section, wherein the circumferential size d1 of the Part I P1 (being groove 32 in this case) of circumferential mechanical anchor element 22 is greater than the circumferential size d2 of the Part II P2 of circumferential mechanical anchor element 22, and Part I P1 is diametrically opposed is positioned at inside in Part II P2.
Fig. 8 and Fig. 9 shows the enhancing element according to the 4th embodiment.
Be different from first embodiment, according to the 4th embodiment, each anchoring element 22 for strengthening the circumferential mechanical anchor of element 12 is formed and is formed with sheath 18 entirety on sheath 18.
Each circumferential mechanical anchor element 22 is included in the circumferential mechanical anchor protuberance 31 that sheath is formed.Each circumferential mechanical anchor protuberance 31 forms track 33, and described track 33 is arranged essentially parallel to principal direction A and extends.
Figure 10 shows the enhancing element according to the 5th embodiment.
Be different from the 4th embodiment, according to the 5th embodiment, the anchoring element 22 for the circumferential mechanical anchor strengthening element 12 is configured to make sheath 18 and cover block rubber 14 radially relative to each other anchoring.
Especially, perpendicular in the plane of principal direction A, each circumferential mechanical anchor element 22 has variable cross-section, wherein the circumferential size d1 of the Part I P1 (being track 33 in this case) of circumferential mechanical anchor element 22 is greater than the circumferential size d2 of the Part II P2 of circumferential mechanical anchor element 22, and Part I P1 is diametrically opposed is positioned at outside in Part II P2.
Figure 11 and Figure 12 shows the enhancing element according to the 6th embodiment.
Be different from first embodiment, according to the 6th embodiment, each anchoring element 22 for strengthening the mechanical anchor of element 12 allows block 14 relative to the axial mechanical anchor of sheath 18.Thus avoid sheath 18 and cover any movement of block rubber 14 relative to each other on axial direction X.
Each axial mechanical anchor element 22 is included in the axial mechanical anchor protuberance 31 that sheath 18 is formed, in this case for being arranged essentially parallel to the track 33 that circumferential direction Z extends.Axial mechanical anchor element 22 distributes vertically above sheath 18.
As a variant, each mechanical anchor element 22 can be the axial mechanical anchor groove formed in sheath 18.
Figure 13 shows the enhancing element according to the 7th embodiment.
Embodiment before being different from, according to the 7th embodiment, each anchoring element 22 for strengthening the mechanical anchor of element 12 allows block 14 relative to the circumferential and axial mechanical anchor of sheath 18.
Each circumferential and axial mechanical anchor element 22 is included in the cavity 31 formed in sheath 18.Cavity 31 circumferentially and vertically distributes in sheath 18.Each cavity 31 is discrete entities.
As a variant, each circumferential and axial mechanical anchor element 22 can be the circumferential and axial mechanical anchor protuberance 31 formed in sheath 18.
The present invention is not restricted to the embodiment described.
Strengthen element and also can comprise bead.
If strengthen element to comprise the multiple wire-element of a row, wire-element is covered by common jacket.Wire-element that is alongside one another and that covered by common jacket is drawn together in described package.
Also likely envision such enhancing element, described enhancing element comprises with the mechanical anchor cavity of discrete entities or other form and protuberance, allows circumferential anchoring or axial anchor or two kinds of anchorings.
Each embodiment above-described can combine, as long as these embodiments are compatible mutually.
Claims (10)
1. for the enhancing rubber product (10) of tire, it is characterized in that, described enhancing rubber product (10) is included in the upper extension of principal direction (A, X) and embeds the enhancing element (12) covering block rubber (14), and described enhancing element (12) comprising:
-at least one wire-element (16), described wire-element (16) is covered by polymer jacket (18), and
-at least one anchoring element (22), described anchoring element (22) is for the circumference of described covering block rubber (14) and/or axial mechanical anchor, and circumferential and/or axial mechanical anchor element (22) is in described polymer jacket (18) or upper formation.
2. the enhancing rubber product (10) according to aforementioned claim, wherein said enhancing element (12) comprises multiple circumference and/or axial mechanical anchor element (22), described circumference and/or axial mechanical anchor element (22) circumferentially and/or to be vertically distributed in respectively in described polymer jacket (18) or on.
3. the enhancing rubber product (10) according to aforementioned any one of claim, wherein said circumference and/or axial mechanical anchor element (22) are included in the circumference and/or axial mechanical anchor cavity (30) that are formed in described polymer jacket (18).
4. the enhancing rubber product (10) according to aforementioned claim, wherein said circumference and/or axial mechanical anchor cavity (30) form groove (32), and described groove (32) is arranged essentially parallel to described principal direction (A, X) respectively and/or circumferential direction (Z) extends.
5. the enhancing rubber product (10) according to aforementioned any one of claim, wherein said circumference and/or axial mechanical anchor element (22) are included in circumference and/or the axial mechanical anchor protuberance (31) of the upper formation of described polymer jacket (18).
6. the enhancing rubber product (10) according to aforementioned claim, wherein said circumference and/or axial mechanical anchor protuberance (31) form track (33), and described track (33) is arranged essentially parallel to described principal direction (A, X) respectively and/or circumferential direction (Z) extends.
7. the enhancing rubber product (10) according to aforementioned any one of claim, wherein said circumference and/or axial mechanical anchor element (22) are configured to make described polymer jacket (18) and described covering block rubber (14) radially relative to each other anchoring.
8. tire (1), it is characterized in that, described tire (1) is included in the upper extension of principal direction (A, X) and embeds the enhancing element (12) covering block rubber (14), and described enhancing element (12) comprising:
-at least one wire-element (16), described wire-element (16) is covered by polymer jacket (18), and
-at least one anchoring element (22), described anchoring element (22) is for the circumference of described covering block rubber (14) and/or axial mechanical anchor, and circumferential and/or axial mechanical anchor element (22) is in described polymer jacket (18) or upper formation.
9. for the preparation of the method for the enhancing rubber product (10) of tire, described enhancing rubber product (10) is included in the upper extension of principal direction (A, X) and embeds the enhancing element (12) covering block rubber (14), it is characterized in that:
-at least one wire-element (16) is covered by polymer jacket (18),
-in described polymer jacket (18) or at least one anchoring element of upper formation (22), described anchoring element (22) is for the formation of the circumference of the described covering block rubber (14) of described enhancing element (12) and/or axial mechanical anchor; And
-described enhancing element (12) embeds described covering block rubber (14).
10. for the preparation of the equipment (40) of the semi-finished product (10) of tire, described semi-finished product (10) are included in the upper extension of principal direction (A, X) and embed the enhancing element (12) covering block rubber (14), it is characterized in that described equipment comprises:
-utilize polymer jacket (18) to add the device (48) of sheath at least one wire-element (16), the described sheath device (48) that adds comprises aperture (68) for described polymer jacket (18) that are shaped, described aperture (68) has profile (C ') and is provided so that described enhancing element (12) comprises at least one anchoring element (22), described anchoring element (22) is for the circumference of described covering block rubber (14) and/or axial mechanical anchor and in described polymer jacket (18) or upper formation, with
-utilize covering block rubber (14) to cover the cladding system (52) of described enhancing element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1353327 | 2013-04-12 | ||
| FR1353327A FR3004385B1 (en) | 2013-04-12 | 2013-04-12 | RUBBER REINFORCED PRODUCT COMPRISING A SHEATHING REINFORCEMENT ELEMENT |
| PCT/EP2014/057168 WO2014167005A1 (en) | 2013-04-12 | 2014-04-09 | Reinforced rubber product comprising a sheathed reinforcing element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105102713A true CN105102713A (en) | 2015-11-25 |
| CN105102713B CN105102713B (en) | 2016-11-23 |
Family
ID=48699095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480020715.1A Active CN105102713B (en) | 2013-04-12 | 2014-04-09 | Enhancing rubber product including the reinforcing element adding sheath |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2984223B1 (en) |
| CN (1) | CN105102713B (en) |
| FR (1) | FR3004385B1 (en) |
| WO (1) | WO2014167005A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111479765A (en) * | 2017-12-14 | 2020-07-31 | 米其林集团总公司 | Thread guide for sheathed reinforcing elements for the production of tyres |
| CN114555684A (en) * | 2019-10-18 | 2022-05-27 | 米其林集团总公司 | Composite material comprising short fibers |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027384A (en) * | 2001-07-12 | 2003-01-29 | Hien Electric Industries Ltd | Rope for extending cable and method for producing the same |
| JP2009286183A (en) * | 2008-05-27 | 2009-12-10 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| EP2226203A1 (en) * | 2007-12-27 | 2010-09-08 | Bridgestone Corporation | Tire and tire-rim assembly |
| JP2012046030A (en) * | 2010-08-25 | 2012-03-08 | Bridgestone Corp | Tire |
-
2013
- 2013-04-12 FR FR1353327A patent/FR3004385B1/en not_active Expired - Fee Related
-
2014
- 2014-04-09 CN CN201480020715.1A patent/CN105102713B/en active Active
- 2014-04-09 WO PCT/EP2014/057168 patent/WO2014167005A1/en active Application Filing
- 2014-04-09 EP EP14717119.3A patent/EP2984223B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027384A (en) * | 2001-07-12 | 2003-01-29 | Hien Electric Industries Ltd | Rope for extending cable and method for producing the same |
| EP2226203A1 (en) * | 2007-12-27 | 2010-09-08 | Bridgestone Corporation | Tire and tire-rim assembly |
| JP2009286183A (en) * | 2008-05-27 | 2009-12-10 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| JP2012046030A (en) * | 2010-08-25 | 2012-03-08 | Bridgestone Corp | Tire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111479765A (en) * | 2017-12-14 | 2020-07-31 | 米其林集团总公司 | Thread guide for sheathed reinforcing elements for the production of tyres |
| CN114555684A (en) * | 2019-10-18 | 2022-05-27 | 米其林集团总公司 | Composite material comprising short fibers |
| CN114555684B (en) * | 2019-10-18 | 2024-02-06 | 米其林集团总公司 | Composite material comprising short fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3004385A1 (en) | 2014-10-17 |
| EP2984223B1 (en) | 2018-05-30 |
| WO2014167005A1 (en) | 2014-10-16 |
| FR3004385B1 (en) | 2016-09-02 |
| EP2984223A1 (en) | 2016-02-17 |
| CN105102713B (en) | 2016-11-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20171023 Address after: French Clermont Ferrand Patentee after: Compagnie General Des Etablissements Michelin Address before: French Clermont Ferrand Co-patentee before: Michelin Research & Technology Co., Ltd. Patentee before: Compagnie General Des Etablissements Michelin |