CN101920568A - Tire assembly drum - Google Patents
Tire assembly drum Download PDFInfo
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- CN101920568A CN101920568A CN2010101396313A CN201010139631A CN101920568A CN 101920568 A CN101920568 A CN 101920568A CN 2010101396313 A CN2010101396313 A CN 2010101396313A CN 201010139631 A CN201010139631 A CN 201010139631A CN 101920568 A CN101920568 A CN 101920568A
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Abstract
The invention provides a kind of tire assembly drum, it can suppress the wearing and tearing between the side end face of combination die.First combination die, second combination die that possess on circumferentially alternately configuration and can between undergauge state and hole enlargement state, move by the hole enlargement unit.The hole enlargement unit possesses: cone shape slide mass, and it can be directed on axis direction movably, and has the guiding face at the axis direction inner end; First moving sheet, second moving sheet, it can radius vector be directed movably and in radial outer end portion first combination die, second combination die be installed to inside and outside.The facial formation of guiding comprises: can with first of first moving sheet engaging, the second inclination face facial and different and that can engage with second moving sheet that tilts with its inclination, first combination die and makes first combination die move to radially inner side from the hole enlargement position than late beginning of second combination die when undergauge than the first arrival of second combination die hole enlargement position when hole enlargement thus.
Description
Technical field
The plates that the present invention relates to be used to form tire by reeling on the outer surface form the tire assembly drum of tire structure member.
Background technology
In the manufacturing process of green tire, for example in forming during tire structure member such as line with rubber, casingply, circumferentially the coiling plates that are used to form above-mentioned tire structure member form cylindric in the outer surface upper edge of tire assembly drum.
In this tire assembly drum, pull down for the tire structure member cylindraceous that will be reeled and need carry out undergauge, therefore be to constitute the tympanic part of tire assembly drum a as shown in Figure 7 in formation in the past by the divided a plurality of combination die b that makes progress in week, and utilize scalable unit make each combination die b can radius vector to inside and outside move (for example with reference to patent documentation 1).
This combination die b by on circumferentially alternately first, second two kinds of combination die b1, b2 of configuration constitute, the first combination die circumferential width is big, and is provided with towards radially inner side and the interior inclined end face e1 that tilts to the direction that reduces circumferential width in circumferential two side ends.In addition, the second combination die circumferential width is little, and is provided with towards radially inner side and the outer incline end face e2 that tilts to the direction that increases circumferential width in circumferential two side ends.
And in undergauge state Yr, thereby the second combination die b2 can undergauge by the radially inner side that retreats into the first combination die b1.In addition, in hole enlargement state Ye, first combination die, the second combination die b1, b2 are along circumferentially being arranged side by side and circumferentially both sides end face e1, the mutual butt of e2, thereby each outer surface of first combination die, the second combination die b1, b2 forms a continuous in fact barrel surface s.Therefore, can on the outer surface plates be wound into higher cylindric of precision.
In addition, as shown in Figure 8, in scalable unit f, drum bolster g is provided with the sliding cylinder h that can move to axis direction, and respectively by the different first connecting rod body of length, second connecting rod body i1, i2 with this sliding cylinder and above-mentioned respectively first combination die, the second combination die b1, b2 binding.
Patent documentation 1: TOHKEMY 2000-296563 communique.
Yet this structure is that first combination die, the second combination die b1, b2 move simultaneously, and therefore side end face e1, the e2 of first combination die, the second combination die b1, b2 rub each other and produce wearing and tearing.Consequently, there is the circularity of the reduction drums such as circumferential width minimizing of the first combination die b1, thereby diminishes the such problem of quality of the tire of formation.
In addition, first combination die, the second combination die b1, b2 move simultaneously, therefore in order not make combination die b1, the mutual interference of b2 phase, need form complex-shaped breach j at circumferential side edge part, the formation (processing) of this breach j needs time and labour etc., thereby causes the formation efficient of drum to reduce.In addition, because above-mentioned breach j must reduce the thickness of circumferential side edge part of the above-mentioned first combination die b1 and the width of side end face e1, therefore cause further accelerating the such result of above-mentioned side edge part wearing and tearing.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of tire assembly drum, it can suppress the wearing and tearing between the side end face of first combination die, second combination die, can suppress the reduction of the circularity of drum, and then the quality that suppresses the tire of formation reduces, and need not to form complicated breach at the circumferential side edge part of combination die and just can prevent interference between combination die reliably, thereby can improve bulging formation efficient.
In order to solve above-mentioned problem, the invention of technical scheme 1 is a kind of tire assembly drum among the application, it has the combination module that is made of a plurality of combination dies, it is characterized in that, above-mentioned a plurality of combination die is upwards being cut apart in week and by utilizing scalable unit radius vector can move between the hole enlargement state of the undergauge state of outer surface undergauge and outer surface hole enlargement to inside and outside move, and this tire assembly drum is under above-mentioned hole enlargement state, form tire structure member by the plates more than 1 that are used to form tire of circumferentially reeling in above-mentioned outer surface upper edge, and under above-mentioned undergauge state, can pull down this tire structure member
The combinations thereof module comprises:
First combination die that circumferential width is big, it has to the direction bearing surface inclined that reduces circumferential width towards radially inner side in circumferential two side ends;
Second combination die that circumferential width is little, itself and this first combination die alternately is configured in week upwards, and under above-mentioned undergauge state, be positioned at the radially inner side of above-mentioned first combination die, and has the bearing surface that tilts and under above-mentioned hole enlargement state, join to the direction that increases circumferential width towards radially inner side in circumferential two side ends with above-mentioned bearing-surface
And above-mentioned scalable unit possesses:
The drum supporting shaft part, it has the inwardly outer guide portion of extending of radius vector;
Cone shape slide mass, it is by this drum supporting shaft part guiding and can move inside and outside axis direction, and has guiding face towards the inclination of axis direction lateral radial outside at the axis direction inner end;
A plurality of sheets that move radially, its by guide sections guiding can and radius vector moves to inside and outside, and have and the facial holding section that engages of above-mentioned guiding at radial inner end, thereby can move to radial outside to moving of axis direction inboard by above-mentioned slide mass
And the above-mentioned sheet that moves radially comprises: first moving sheet of above-mentioned first combination die has been installed and second moving sheet of above-mentioned second combination die has been installed in radial outer end portion,
Above-mentioned guiding face comprises: can tilt facial with first of the holding section of above-mentioned first moving sheet engaging and with this first second face that tilts that facial inclination is different and can engage with the holding section of above-mentioned second moving sheet that tilts, thereby when hole enlargement, make first combination die than the first arrival of second combination die hole enlargement position, and first combination die is moved to radially inner side from the hole enlargement position than late beginning of second combination die.
In the invention of other technical scheme 2, it is characterized in that, above-mentioned second inclination is facial to be made of to become the single inclined plane of the semi-steep certain slope of angle of θ 1 with this axis direction the axis direction the inner from above-mentioned guiding face, and the above-mentioned first inclination face has: the steep dip inclined plane part of axis direction inboard, its from axis direction the inner of above-mentioned guiding face to become oblique with axis direction greater than angle θ 2 steep dips of above-mentioned angle θ 1; The smooth face in the axis direction outside, it forms 0 ° with the angle with axis direction, and above-mentioned first moving sheet engages with above-mentioned smooth face under the hole enlargement state.
Here, above-mentioned hole enlargement position is meant the position radially under the hole enlargement state.
The present invention is to constitute scalable unit with cone shape slide mass and a plurality of sheet that moves radially as scalable unit as mentioned above, and wherein: cone shape slide mass has the guiding face that tilts to towards the axis direction outer radial outside; A plurality of sheets that move radially have to come can make to the axis direction medial movement by above-mentioned slide mass with the facial holding section that engages of above-mentioned guiding and move radially sheet and move to radial outside.Here, move radially sheet and be made of first moving sheet of supporting first combination die and second moving sheet of supporting second combination die, and above-mentioned guiding face comprises: can tilt facial with first of first moving sheet engaging and with this first second face that tilts that facial inclination is different and can engage with second moving sheet that tilts.
Thus, by above-mentioned slide mass to one move radially just can make first combination die, second combination die with diametrically mutually the different moment and speed move, in the present invention, first combination die is than the first arrival of second combination die hole enlargement position when hole enlargement, and first combination die is moved to radially inner side from the hole enlargement position than late beginning of second combination die.
Therefore, thus the generation that does not rub and can suppress to wear and tear each other between the side end face of first combination die, second combination die.Consequently, can suppress the reduction of circularity of drum, prevent that the quality of the tire that forms from reducing.In addition, while owing to being separated diametrically, first combination die, second combination die move, thereby do not produce interference between combination die.Therefore do not need the shape that complicated breach can the simplified side end, thereby can improve bulging formation efficient and design efficiency.
Description of drawings
Fig. 1 is the cutaway view of axis direction of an embodiment of expression tire assembly drum of the present invention.
Fig. 2 be this combination module of expression with the meet at right angles cutaway view of direction of axis direction.
Fig. 3 be amplify the scalable unit of expression with the meet at right angles cutaway view of direction of axis direction.
Fig. 4 is from the inboard schematic side view of observing slide mass of axis direction.
Fig. 5 is the schematic drawing of explanation the application's effect.
Fig. 6 is the cutaway view of the axis direction of another facial embodiment of expression guiding.
Fig. 7 is the cutaway view of the tire assembly drum of explanation conventional art.
Fig. 8 is the cutaway view of this scalable unit of explanation.
Description of reference numerals: 2... combination die; 2A... first combination die; 2B... second combination die; 2G... combination module; 3... scalable unit; 5... bearing-surface; 6... bearing surface; 10... guide portion; 11... drum supporting shaft part; 12... slide mass; 14... holding section; 15... move radially sheet; 15A... first moving sheet; 15B... second moving sheet; 20... guiding is facial; 20A... first inclination is facial; 20B... second inclination is facial; 21... single inclined plane; 22a... steep dip inclined plane part; 22b... smooth face; Pe... hole enlargement position; S... outer surface; Yr... undergauge state; Ye... hole enlargement state.
The specific embodiment
Below, explain embodiments of the present invention.Fig. 1 is the cutaway view of axis direction of the main portion of expression tire assembly drum of the present invention.Here for convenience of explanation, represent the tire assembly drum 1 of hole enlargement state Ye at the upper side of the axle center i that rouses bolster 9 among Fig. 1, and represent the tire assembly drum 1 of undergauge state Yr in lower side.
As shown in Figure 1, 2, the tire assembly drum 1 of present embodiment has: the combination module 2G that is made of the divided a plurality of combination die 2 that makes progress in week and make each combination die 2 radius vector to inside and outside mobile scalable unit 3, by this scalable unit 3, combinations thereof mould 2 moves between the hole enlargement state Ye of the undergauge state Yr of outer surface S undergauge and outer surface S hole enlargement.In addition, under above-mentioned hole enlargement state Ye, the circumferential coiling is used to form the plates more than 1 (not shown) of tire in above-mentioned outer surface S upper edge, thereby tire structure member can be formed cylindric, and under above-mentioned undergauge state Yr, the tire structure member that forms can be pulled down from tire assembly drum 1.
Then, as above-mentioned shown in Figure 2, combinations thereof module 2G is by alternately first combination die, the second combination die 2A, the 2B of configuration constitute on circumferentially.Above-mentioned first its circumferential width of combination die 2A is greater than the second combination die 2B, and has the interior bearing surface inclined 5 that tilts to the direction that reduces circumferential width towards radially inner side in its circumferential two side ends.In addition, second its circumferential width of combination die 2B is less than the first combination die 2A, and has the bearing surface 6 of the outer incline that tilts to the direction that increases circumferential width towards radially inner side in its circumferential two side ends.
This tire assembly drum 1 is under hole enlargement state Ye, above-mentioned first combination die, the second combination die 2A, 2B upwards were arranged side by side in week, as the above-mentioned bearing-surface 5 and the bearing surface 6 mutual butts of circumferential both sides end face, and each outer surface S association of above-mentioned first combination die, the second combination die 2A, 2B is moving forms a continuous in fact barrel surface SO.In addition, under undergauge state Yr, the second combination die 2B retreats into the more close radially inner side than the first combination die 2A, and tire assembly drum 1 can undergauge thus.
In addition, above-mentioned scalable unit 3 has: drum supporting shaft part 11, and it has the inwardly outer guide portion 10 of extending of radius vector; Slide mass 12, it can be moved inside and outside axis direction by these drum supporting shaft part 11 guiding; A plurality of sheets 15 that move radially, it is guided by guide sections 10 and can radius vector move to inside and outside, and has and facial 13 holding sections that engage 14 of the guiding of above-mentioned slide mass 12.
Shown in Fig. 1,3, above-mentioned bulging supporting shaft part 11 has outer with one heart insert in the sleeve body 11a of portion cylindraceous of bulging bolster 9 and the roughly discoid side plate 11b that holds up to radial outside from axis direction the inner of the 11a of this sleeve body portion in this example.The above-mentioned sleeve body 11a of portion can rotate with drum bolster 9 one in this example, and can be supported by above-mentioned bulging bolster 9 along axis direction with relatively moving.In addition, on above-mentioned side plate 11b, dispose for example block guide portion 10 that is installed in its axis direction lateral surface.This guide portion 10 possesses can be with the above-mentioned guide rail 10a that respectively moves radially a side edge radius vector of sheet 15 to the strip of inside and outside guiding.Here, the inwardly outer guiding groove that extends of radius vector is set, and is arranged on the guide rail that guides in this guiding groove etc., can adopt variety of way as guide sections 10 at a side edge that moves radially sheet 15 as guide portion 10.
In addition, shown in Fig. 3,4, above-mentioned slide mass 12 is the thin cone shape blocks in top, can rotate with the above-mentioned sleeve body 11a of portion one, and can be supported on the above-mentioned sleeve body 11a of portion slidably inside and outside axis direction.Here, slide mass 12 contacts with the outer peripheral face air-tightness of the above-mentioned sleeve body 11a of portion by seal member 16, and in the inside of this slide mass 12 and forming concentric endoporus 12a near the axis direction rear sides than above-mentioned seal member 16, this endoporus 12a the axis direction open rearward end and and the outer peripheral face of the above-mentioned sleeve body 11a of portion between can form air chamber H.The discoid cap 11c of the portion sealing that the axis direction rear end of above-mentioned air chamber H is holded up from the outer peripheral face of the above-mentioned sleeve body 11a of portion.Here, for example pressure-air is carried out air-breathing/exhaust from the suction/exhousting hole (not shown) that is arranged on the above-mentioned cap 11c of portion to above-mentioned air chamber H, above-mentioned slide mass 12 is slided along axis direction.
In addition, above-mentioned slide mass 12 has the guiding face 20 that tilts towards axis direction lateral radial outside at its axis direction inner end.Alternately the first inclination face, second inclination facial 20A, the 20B of configuration constitute this guiding face 20 by mutual inclination difference and on circumferentially, the above-mentioned second facial 20B that tilts forms in this example, from the inner 20e1 of the axis direction of above-mentioned guiding face 20 with this axis direction be the single inclined plane 21 of the semi-steep certain slope of angle of θ 1.
In addition, the above-mentioned first facial 20A that tilts forms the flexure plane 22 that the smooth facial 22b by the steep dip inclined plane part 22a of axis direction inboard and the axis direction outside constitutes, wherein this steep dip inclined plane part 22a from above-mentioned inner 20e1 tiltedly to extend for angle θ 2 steep dips greater than above-mentioned angle θ 1 with axis direction; This smooth facial 22b be connected with this steep dip inclined plane part 22a and with axis direction be that 0 ° angle is extended.Here, steep dip inclined plane part 22a and smooth facial 22b link smoothly by arc sections.
In addition, the above-mentioned sheet 15 that moves radially is made of the second moving sheet 15B that the first moving sheet 15A of the above-mentioned first combination die 2A has been installed in its radial outer end portion and the second combination die 2B has been installed.Above-mentioned first moving sheet, the second moving sheet 15A, 15B come down to identical formation, the main part 15a that has rectangular plate shape in this example, and have by the guiding groove 15a1 of above-mentioned guide rail 10a guiding at its axis direction medial extremity, therefore can radius vector move to inside and outside.
In addition, possess respectively and facial 20 holding sections that engage 14 of above-mentioned guiding at the radial inner end of above-mentioned first moving sheet, the second moving sheet 15A, 15B.Above-mentioned holding section 14 is made of the roller 30 that shaft type is fixed in the radial inner end of the 15a of aforementioned body portion in this example, even also can realize engaging smoothly with the facial 20A that tilts as above-mentioned first of flexure plane 22 thus.Here, the symbol 31 among Fig. 2 is to be attached between adjacent moving sheet 15A, the 15B to the spring body of the radially inner side application of force, and roller 30 is contacted with guiding facial 20 reliably.
Fig. 5 represents with slide mass 12 to be relative the moving of the roller 30 of benchmark.The roller 30A of the above-mentioned first moving sheet 15A contacts on one side with the facial 20A of first inclination on one side and rolls, and follows above-mentioned slide mass 12 to move to radial outside to the mobile first combination die 2A that makes of axis direction inboard.In addition, the roller 30B of the second moving sheet 15B contacts on one side with the facial 20B of second inclination on one side and rolls, and follows above-mentioned slide mass 12 to moving of axis direction inboard the second combination die 2B is moved to radial outside.
At this moment, the facial 20B of above-mentioned second inclination forms the single inclined plane 21 of tilt angle theta 1, so roller 30B moves to inside and outside with the certain speed radius vector between undergauge state Yr and hole enlargement state Ye.That is, the second combination die 2B moves to inside and outside with the certain speed radius vector between undergauge state Yr and hole enlargement state Ye.
Relative therewith, the facial 20A of above-mentioned first inclination is made of the steep dip inclined plane part 22a of axis direction inboard and the smooth facial 22b in the outside, and the tilt angle theta 2 of above-mentioned steep dip inclined plane part 22a is set at the tilt angle theta 1 greater than above-mentioned single inclined plane 21.Therefore, roller 30A compares fast with roller 30B and moves to radial outside when hole enlargement, thereby can arrive hole enlargement position Pe earlier than roller 30B.Specifically, because of poor (the θ 1-θ 2) at above-mentioned angle of inclination, roller 30A moves to radial outside on one side to the separating distance K that radial outside slowly increases apart from roller 30B on one side.In addition, arrive at roller 30A that separating distance K is maximum Kmax under the state Y1 of smooth facial 22b, and arrive under state Y1 at this, the first combination die 2A can arrive hole enlargement position Pe.That is, when hole enlargement, the first combination die 2A compares fast with the second combination die 2B and moves to radial outside, thereby can arrive hole enlargement position Pe earlier than the second combination die 2B.Here, in Fig. 5, hole enlargement position Pe, undergauge position Pr are replaced hole enlargement position Pe, the undergauge position Pr that is illustrated as roller 30A, 30B.
In addition, when undergauge, because the smooth facial 22b that above-mentioned steep dip inclined plane part 22a has 0 ° of angle, so roller 30A can move to radially inner side from hole enlargement position Pe than late beginning of roller 30B.That is, the first combination die 2A can move to radially inner side from hole enlargement position Pe than late beginning of the second combination die 2B.Like this, first combination die, the second combination die 2A, 2B are moved with the mutual different moment and speed, therefore when mobile, can between the side end face 5,6 of first combination die, the second combination die 2A, 2B, form the interval, thereby can suppress the generation of 5,6 wearing and tearing in side end face.
Next, another embodiment of the above-mentioned guiding face 20 of expression in above-mentioned Fig. 6.The first facial 20A that tilts forms the flexure plane 22 that the smooth facial 22b by the facial 22c of the inclination of axis direction inboard and the axis direction outside constitutes among Fig. 6, wherein the facial 22c of this inclinations from guide axis direction the inner 20e1 of facial 20 with axis direction be tilt angle theta 3 extensions; This smooth facial 22b be connected with this facial 22c that tilts and with axis direction be that 0 ° angle is extended.In addition, the second facial 20B that tilts forms the flexure plane 23 that the facial 23a of inclination by the smooth facial 23b of axis direction inboard and the axis direction outside constitutes, wherein this smooth facial 23b from above-mentioned inner 20e1 with axis direction be 0 ° angle extension; This facial 23a that tilts be connected with this smooth facial 23b and with axis direction be that tilt angle theta 4 is extended.Here, above-mentioned tilt angle theta 4 has been represented situation about equating with above-mentioned tilt angle theta 3 in this example, yet also can be unequal.
In this case, during hole enlargement, the second combination die 2B moves to radial outside from undergauge position Pr than late beginning of the first combination die 2A, and than the late arrival of first combination die 2A hole enlargement position Pe.That is, first combination die, the second combination die 2A, 2B are moved in different moment mutually, the generation of the wearing and tearing of 5,6 of side end faces in the time of therefore can suppressing mobile.
Here, above-mentioned tilt angle theta 1～θ 4 is particular restriction not, yet in order successfully to carry out the hole enlargement action, is preferably about 45 ° ± 10 °, and in addition, poor (θ 2-θ 1) is preferably 1～10 ° scope.
More than, special preferred implementation of the present invention is described in detail, yet the present invention is not limited to illustrated embodiment, can also be deformed into variety of way.
Claims (2)
1. tire assembly drum; It is characterized in that; It possesses the combination module that is made of a plurality of combination dies; Described a plurality of combination die is upwards being cut apart in week and by utilizing the scalable unit radius vector can be mobile between the hole enlargement state of the undergauge state of outer surface undergauge and outer surface hole enlargement to inside and outside movement; And can be by forming tire structure member along the plates more than 1 that are used to form tire of circumferentially reeling on the described outer surface under described hole enlargement state; And under described undergauge state, can pull down this tire structure member
Described combination module comprises:
First combination die that circumferential width is big, it has to the direction bearing surface inclined that reduces circumferential width towards radially inner side in circumferential two side ends;
Second combination die that circumferential width is little, itself and this first combination die alternately is configured in week upwards, and under described undergauge state, be positioned at the radially inner side of described first combination die, and has the bearing surface that tilts and under described hole enlargement state, join to the direction that increases circumferential width towards radially inner side in circumferential two side ends with described bearing-surface
And described scalable unit possesses:
The drum supporting shaft part, it has the inwardly outer guide portion of extending of radius vector;
Cone shape slide mass, it is by this drum supporting shaft part guiding and can move inside and outside axis direction, and has guiding face towards the inclination of axis direction lateral radial outside at the axis direction inner end;
A plurality of sheets that move radially, it is guided by described guide portion and can radius vector move to inside and outside, and have and the facial holding section that engages of described guiding at radial inner end, thereby can move to radial outside to moving of axis direction inboard by described slide mass
And the described sheet that moves radially comprises: first moving sheet of described first combination die has been installed and second moving sheet of described second combination die has been installed in radial outer end portion,
Described guiding face comprises: can tilt facial with first of the holding section of described first moving sheet engaging and with this first second face that tilts that facial inclination is different and can engage with the holding section of described second moving sheet that tilts, thereby when hole enlargement, make first combination die than the first arrival of second combination die hole enlargement position, and first combination die is moved to radially inner side from the hole enlargement position than late beginning of second combination die.
2. tire assembly drum according to claim 1 is characterized in that,
Described second tilts face by constituting to become the single inclined plane of the semi-steep certain slope of angle of θ 1 with this axis direction from the facial axis direction the inner of described guiding, and the described first inclination face has: the steep dip inclined plane part of axis direction inboard, and it guides facial axis direction the inner to become oblique greater than angle θ 2 steep dips of described angle θ 1 with axis direction from described; The smooth face in the axis direction outside, itself and 0 ° of the angle formation of axis direction, and described first moving sheet engages with described smooth face under the hole enlargement state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-139441 | 2009-06-10 | ||
| JP2009139441A JP4897853B2 (en) | 2009-06-10 | 2009-06-10 | Tire molding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101920568A true CN101920568A (en) | 2010-12-22 |
Family
ID=43335898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101396313A Pending CN101920568A (en) | 2009-06-10 | 2010-03-22 | Tire assembly drum |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4897853B2 (en) |
| CN (1) | CN101920568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446599A (en) * | 2017-03-23 | 2019-11-12 | Vmi荷兰公司 | Tire assembly drum and method for operating the tire assembly drum |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5767610B2 (en) * | 2012-07-02 | 2015-08-19 | 住友ゴム工業株式会社 | Tire molding drum |
| KR102205188B1 (en) * | 2013-06-07 | 2021-01-20 | 다비안 엔터프라이즈, 엘엘씨 | Tire building drum with increased range of movement |
| JP6596904B2 (en) * | 2015-04-23 | 2019-10-30 | 横浜ゴム株式会社 | Pneumatic tire molding equipment |
| JP7461830B2 (en) | 2020-08-20 | 2024-04-04 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Tire building method |
| WO2023119068A1 (en) * | 2021-12-21 | 2023-06-29 | Pirelli Tyre S.P.A. | Process and apparatus for manufacturing annular components of tyres for vehicle wheels |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675848A (en) * | 1979-11-21 | 1981-06-23 | Yokohama Rubber Co Ltd:The | Molding device for cylindrical member |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4612704Y1 (en) * | 1970-08-11 | 1971-05-06 | ||
| JPS5325580B2 (en) * | 1975-01-14 | 1978-07-27 | ||
| JPH066352B2 (en) * | 1989-12-04 | 1994-01-26 | 住友ゴム工業株式会社 | Tire component material sticking drum |
| JP3193417B2 (en) * | 1991-10-07 | 2001-07-30 | 株式会社ブリヂストン | Drum for tire building |
| JPH05220865A (en) * | 1992-02-12 | 1993-08-31 | Bridgestone Corp | Method and drum for molding band member |
| JP3894636B2 (en) * | 1997-11-25 | 2007-03-22 | 横浜ゴム株式会社 | Tire molding drum |
| JP3310950B2 (en) * | 1999-04-14 | 2002-08-05 | 住友ゴム工業株式会社 | Tire building equipment |
| JP4448230B2 (en) * | 2000-05-09 | 2010-04-07 | 住友ゴム工業株式会社 | Belt forming device |
| WO2007135720A1 (en) * | 2006-05-19 | 2007-11-29 | Toyo Tire & Rubber Co., Ltd. | Method for separating band in band molding drum, and band molding drum |
-
2009
- 2009-06-10 JP JP2009139441A patent/JP4897853B2/en not_active Expired - Fee Related
-
2010
- 2010-03-22 CN CN2010101396313A patent/CN101920568A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675848A (en) * | 1979-11-21 | 1981-06-23 | Yokohama Rubber Co Ltd:The | Molding device for cylindrical member |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446599A (en) * | 2017-03-23 | 2019-11-12 | Vmi荷兰公司 | Tire assembly drum and method for operating the tire assembly drum |
| US11027507B2 (en) | 2017-03-23 | 2021-06-08 | Vmi Holland B.V. | Tire building drum and method for operating said tire building drum |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010284846A (en) | 2010-12-24 |
| JP4897853B2 (en) | 2012-03-14 |
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Application publication date: 20101222 |