CN201106611Y - Orientation combined tire nut - Google Patents
Orientation combined tire nut Download PDFInfo
- Publication number
- CN201106611Y CN201106611Y CNU2007201900845U CN200720190084U CN201106611Y CN 201106611 Y CN201106611 Y CN 201106611Y CN U2007201900845 U CNU2007201900845 U CN U2007201900845U CN 200720190084 U CN200720190084 U CN 200720190084U CN 201106611 Y CN201106611 Y CN 201106611Y
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- China
- Prior art keywords
- packing ring
- guide
- sleeve pipe
- nut
- fit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a positioning combined type tyre nut which comprises a nut, a washer and a guide positioning sleeve washer. The nut is sleeved and riveted with the washer, so that the nut and the washer can be fixed by rotating relatively; the other end of the washer and the guide positioning sleeve washer form a registering structure, a socket structure is arranged at the end surfaces of two registering ends of the washer and the guide positioning sleeve washer, a hollow cylinder is extended and arranged at the end surface of the other end corresponding to the registering ends of the guide positioning sleeve washer along the axial direction, and the inner hole of the cylinder is communicated with the center hole of the washer. When in installation, the cylinder is inserted into a clearance between a tyre bolt shank and a turntable to support the turntable. When the turntable and a tyre bolt assembly are fixed, the tyre nut can ensure that a wheel and a wheel hub automatically adjust the centers, and ensure that a combined clearance of the turntable and the tyre bolt assembly reaches the minimum value, increase the contact area of a turntable screwed hole and the tyre bolt shank, and reduce the cutting stress of the interface, thereby ensuring that the tyre nut is uneasy to be broken when an automobile runs.
Description
Technical field
The utility model relates to a kind of automobile tire bolt (comprising single, double hook bolt) assembly parts, the nut of especially a kind of fixedly wheel disc and tire bolt assembly parts.
Background technique
At present, known dismounting for the ease of wheel, the screw diameter of automobile tire bolt combination part is than the little 4～6mm of wheel disc diameter of bolt hole, lug nut and the contact end face 01 of wheel disc are planes and are parallel (shown in Fig. 1 a, 1b) with the wheel disc plane, result after it is installed is: when 1. wheel is loaded onto wheel hub, the wheel dead weight vertically moves down under gravitational effect, because the factor of above-mentioned hole and screw diameter difference, cause that wheel hub center line and wheel center line can not form irregular running when causing the wheel rotation on same axis.2. the moment of torsion transfer route during automobile running is: moment of torsion passes to tire bolt through wheel hub, passes to wheel disc (being wheel) again.Because above-mentioned wheel disc bolt hole, screw diameter are poor, automobile running is after a period of time, to make angle of the leading rotation in the relative wheel disc of tire bolt hole, wheel disc bolt hole and tire bolt bar surface of contact are only acted on a bit, in vehicle traveling process, quicken suddenly and during this conversion moment of torsion of emergency braking, will on this force position, form great shearing stress, cause tire bolt to fracture.Just because of this, the position that fractures of prior art tire bolt is basically all on the point of contact of screw rod and wheel disc.
The model utility content
The purpose of this utility model is to improve the defective of prior art, a kind of positioning combined lug nut is provided, when making wheel disc and tire bolt assembly parts fixedly, wheel and wheel hub can be found the center automatically accurately, and make wheel disc and tire bolt assembly parts bonding gap reach minimum value, increase the area of contact of wheel disc screw and tire bolt bar, the shearing stress of minimizing surface of contact, thus guarantee in the automobilism not frangibility of tire bolt.
The utility model is taked following technological scheme:
The purpose of this utility model is achieved in that
Positioning combined lug nut provided by the utility model, it is the fixing cover modular nut on wheel disc and the tire bolt assembly parts, it comprises nut, packing ring and guide-localization sleeve pipe packing ring, wherein, one end socket riveted of nut and packing ring links together, make that nuts and washers can counterrotating being fixed together, perhaps nut and packing ring are solidified as a whole; The other end of described packing ring and guide-localization sleeve pipe packing ring constitute shrink-fit structure, in the suit place, the end face of these two fit ends of packing ring and guide-localization sleeve pipe packing ring has extended bell and spigot frame, at the end face of guide-localization sleeve pipe packing ring with respect to the other end of described fit end, extend a hollow cylindrical body vertically, its endoporus is connected with the center hole of packing ring.
Hollow cylinder interts in the existing gap, supporting wheel disc between tire bolt bar and wheel disc during installation, the internal thread of the nut tire bolt that is spirally connected, and the bell end of packing ring and guide-localization sleeve pipe packing ring offsets fixing.
The bell and spigot frame of two fit ends of described packing ring and guide-localization sleeve pipe packing ring can be: the fit end of packing ring has the termination of the taper gabarit of an evagination, the fit end of guide-localization sleeve pipe packing ring have fit end diameter than lug nut packing ring bigger be inner cone post hole, this inner cone post hole is concentric with the center hole of guide-localization sleeve pipe packing ring and be connected; When described packing ring and guide-localization sleeve pipe gasket sleeve lump together, the taper gabarit of described packing ring be faying surface and described guide-localization sleeve pipe packing ring inner cone post hole respective surfaces the side faying surface fit.The surface in the termination of the taper gabarit of described evagination and inner cone post hole and the angle of nut axis can be 0-60 °, and preferred 0-45 °, optimum value is 45 °.
The structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring also can be: the fit end of described packing ring is the termination of cylindrical gabarit, the fit end of guide-localization sleeve pipe packing ring has the endoporus that a cylindrical gabarit termination with packing ring is complementary, and this endoporus is concentric with the center hole of described guide-localization sleeve pipe packing ring and be connected; When described packing ring and guide-localization sleeve pipe gasket sleeve lumped together, the cylindrical gabarit of described packing ring was that the faying surface of respective surfaces of the endoporus of faying surface and described guide-localization sleeve pipe packing ring fits.
The structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring can also be: the overall sizes of the fit end of described packing ring and guide-localization sleeve pipe packing ring is complementary, on both end faces, be respectively equipped with a gabarit protuberance and recess that is complementary less than fit end overall sizes, the angle of the side face of described protuberance and the axis of packing ring can be 0-60 °, preferred 0-45 °, optimum value is 45 °.The side gabarit of this protuberance and the side inner walls of recess are concentric with packing ring center hole separately and be connected, when described packing ring and guide-localization sleeve pipe gasket sleeve lump together, described protuberance and recess surface fit, and the Transverse plane of two parts of described protuberance and recess outside also fits.
The structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring can also be: transition packing ring of riveted on the fit end of described packing ring, the fit end gabarit of its overall sizes and guide-localization sleeve pipe packing ring is complementary, and is respectively equipped with a foregoing protuberance and a recess that is complementary on the end face of the fit end of this transition packing ring and guide-localization sleeve pipe packing ring.When described packing ring and guide-localization sleeve pipe gasket sleeve lumped together, described protuberance and recess surface fitted, and the Transverse plane of two parts of described protuberance and recess outside also fits.
Like this, the bell and spigot frame of guide-localization sleeve pipe packing ring and lug nut packing ring is when assembling, constitute and coincide, with the bell and spigot frame of inner cone post hole or the protuberance that is complementary and this best of recess tacit cooperating arranged with the termination of the taper gabarit of the evagination of conical bore as forming the circular cone post at work, thisly can play the effect that the help wheel is found the center automatically accurately when being engaged in nut screwing clamping.
In two technological schemes of protuberance and recess were set, the force bearing point of nut and packing ring was not only on conical surface, but also on the Transverse plane of the two.Its stressing conditions is better.
The length of the hollow cylinder of described guide-localization sleeve pipe packing ring is generally more than the 4mm, and its upper limit should be decided on different automobile types; The interior circular diameter and the outside diameter of hollow cylinder also should be decided on the tire bolt shank diameter and the wheel disc diameter of bolt hole size of different automobile types.
The positioning combined lug nut that the utility model provides substitutes traditional automotive tyre nut, and its main structure characteristics have been to introduce new parts---guide-localization sleeve pipe packing ring, thereby will have following new function and better effect:
1, after wheel is loaded onto wheel hub, the hollow cylinder that positioning and guiding is overlapped packing ring is inserted in the space that exists between wheel disc bolt hole and the tire bolt bar, this has just eliminated wheel disc bolt hole and the tire bolt bar gap between the two to a great extent, also wheel disc is played the effect of support.Secondly after lug nut and positioning and guiding cover packing ring being tightened, because the hollow cylinder of guide-localization sleeve pipe packing ring and the structure that combines with socket joint between the fixing packing ring of lug nut riveted, especially junction plane is the bell and spigot frame of taper, when nut screwing clamping, impel wheel disc and wheel hub can find the center automatically accurately, guarantee wheel when rotation, can be at utmost rotate along the center line of axletree.Simultaneously, when torque conversions such as anxious acceleration of automobile and emergency braking, hollow cylinder occupy-place because the gap of wheel disc bolt hole and tire bolt bar is positioned on the guide sleeve packing ring and elimination significantly, and make the area of contact of wheel disc bolt hole and tire bolt bar increase, formed shearing stress descends significantly on the effect contact position, can farthest avoid the tire bolt phenomenon that fractures.
If 2 nuts and packing ring are splits to be forged riveted and form, after the combination, the two can relatively rotate, and this has just solved tire bolt when tightening, the phenomenon of nut scratch wheel disc.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 a and Fig. 1 b are that the master of the lug nut of prior art looks and left TV structure schematic representation;
Fig. 2 a is the main TV structure schematic representation of nut in the positioning combined lug nut that provides of the utility model;
Fig. 2 b is the main TV structure schematic representation of the taper washer of split casting in the positioning combined lug nut that provides of the utility model;
Fig. 2 c is the structural representation that the taper washer shown in the nut shown in Fig. 2 a and Fig. 2 b rivets together;
Fig. 2 d is the main TV structure schematic representation of the guide-localization packing ring in the positioning combined lug nut that provides of the utility model;
Fig. 3 is the package assembly schematic representation of the positioning combined lug nut that provides with the utility model that combines as Fig. 2 a, 2b and 2d;
Fig. 4 a and 4b are the main TV structure schematic representation of the another kind of combining structure of guide-localization sleeve pipe packing ring and nut collar in the positioning combined lug nut that provides of the utility model;
Fig. 5 a and 5b are the main TV structure schematic representation of nut collar and another combining structure of guide-localization sleeve pipe packing ring in the positioning combined lug nut that provides of the utility model;
Fig. 6 a and 6b are the main TV structure schematic representation of nut collar and another combining structure of guide-localization sleeve pipe packing ring in the positioning combined lug nut that provides of the utility model;
Fig. 7 a and 7b are the main TV structure schematic representation of the another kind of combining structure of nut and guide-localization sleeve pipe packing ring in the positioning combined lug nut that provides of the utility model;
Fig. 8 a and 8b are the main TV structure schematic representation of the another kind of combining structure again of nut and guide-localization sleeve pipe packing ring in the positioning combined lug nut that provides of the utility model.
Embodiment
As Fig. 2 a, 2b, 2c, 2d and shown in Figure 3, the positioning combined lug nut that the utility model provides is made of nut 1, taper washer 2 and guide-localization sleeve pipe packing ring 3.Wherein, one end socket riveted of nut 1 and taper washer 2, nut socket riveted end is provided with a riveted section 11, the riveted end of taper washer 2 is provided with a hole section 21 with riveted end 11 coupling of nut, be provided with a taper hole section 22, when with nut 1 and taper washer 2 riveteds, shown in Fig. 2 c thereafter, one section quilt in end of the tubular riveted section 11 of nut 1 extends out riveted on taper hole section 22 hole walls that are fitted in taper washer 2, makes that nut 1 and taper washer 2 can counterrotating being fixed together; The other end of taper washer 2 and guide-localization sleeve pipe packing ring 3 fits, in the suit place, the termination that this fit end 23 of taper washer 2 has a taper gabarit, the fit end of guide-localization cover 3 has an inner cone post hole 31 bigger than fit end 23 diameters of taper washer 2, and the center hole of this inner cone post hole and guide-localization sleeve pipe packing ring 33 is concentric and be connected.At opposite side with respect to the fit end, guide-localization sleeve pipe packing ring 3 extends one section hollow cylindrical body 32, its endoporus is connected with the inner cone post hole 31 of fit end, and cylindrical body 32 interts in the existing gap, supporting wheel disc H between tire bolt bar and wheel disc (not shown) during installation.
The difference of the assembly parts of the positioning combined lug nut that the utility model provides and traditional lug nut is: 1. nut 1 is to carry out riveted (seeing Fig. 2 c) after forging respectively with taper washer 2.Like this, just can rotate relatively between nut 1 and the taper washer 2.2. an end of taper washer 2 is the evagination conical cylinder.And guide-localization sleeve pipe packing ring 3 (seeing Fig. 2 d) is the part of newly establishing, during using, cylindrical body 32 on it is plugged between tire bolt and the wheel disc, improved the stressing conditions between bolt and the wheel disc, in addition, an end that combines with taper washer 2 of guide-localization sleeve pipe packing ring 3, then be to have the packing ring that is inner cone post hole bigger, can align automatically, make that the force-bearing situation of bolt is better than the taper washer diameter on the lug nut.
Two end faces that taper washer 2 combines with nut 1 are tapered convex surface and the concave surfaces that are complementary.
The cone angle of this fit end 23 of taper washer 2 is the conical surface and packing ring axis, and just the angle of the axis of nut can be 0-60 °, and preferred 0-45 °, optimum value is 45 °.
The chamfering in the inner cone post hole of guide-localization sleeve pipe packing ring and the cone angle of taper washer 2 coupling, its optimum value is 45 °.
The length L of the hollow cylinder 32 of guide-localization sleeve pipe packing ring 3 generally is not shorter than 4mm, and its length is decided on different automobile types; If this length L is too short, it is less that then stressing conditions improves degree, anti-breaking DeGrain.The interior circular diameter d and the outside diameter D of hollow cylinder 32 decide on the tire bolt shank diameter and the wheel disc diameter of bolt hole size of different automobile types.
Shown in Fig. 4 a, 4b, taper washer 2 can also replace to the packing ring 2a of cylindric fit end, the riveted construction of itself and nut 1 is constant, become cylindric gabarit 23a with the fit end of guide-localization sleeve pipe packing ring 3a, the fit end of guide-localization sleeve pipe packing ring 3a has the endoporus 31a that a cylindrical gabarit termination with packing ring is complementary, and this endoporus is concentric with the center hole of described guide-localization sleeve pipe packing ring and be connected.Such structure can simultaneously, also can play the effect of neutralization being improved the stressing conditions between bolt and the wheel disc so that processing becomes more convenient.
Shown in Fig. 5 a, 5b, 6a, 6b, in this example, on the packing ring 2a basis shown in Fig. 4 a, set up a transition packing ring 4, its riveted is on packing ring 2a, this transition packing ring 4 be complementary, on the end face of the fit end 30a of this transition packing ring 4 and guide-localization sleeve pipe packing ring 3, be respectively equipped with a protuberance 40 or 30 an and recess 40a or 30a that are complementary with the overall sizes of termination 4a guide-localization sleeve pipe 3 fits and the fit end 30a gabarit of guide-localization sleeve pipe packing ring.This protuberance and recess are the trochoidal surface of coupling.
When transition packing ring 4 and guide-localization sleeve pipe packing ring 3 are linked in a time-out, described protuberance and recess surface fit, and this kind shrink-fit structure is on taper fit face basis, and also contacting on end face a between transition packing ring 4 and the guide-localization sleeve pipe 3 fits.
Shown in Fig. 7 a, 7b, 8a, 8b, in this example, above-mentioned Fig. 5 a, 5b, 6a, 6b illustrated embodiment are simplified, and cancellation transition packing ring 4 increases to the termination overall sizes of the fit end of packing ring 2b suitable with the termination overall sizes of the fit end of guide-localization sleeve pipe packing ring 3.On the end face of packing ring 2, make described protuberance 20 or 30 an and recess 20a or 30a that are complementary.This spline structure is simpler than above-mentioned.
Among aforesaid each embodiment, packing ring 2 and nut 1 also can be made of one and replace two structures of riveted.
Claims (10)
1, a kind of positioning combined lug nut, it is characterized in that: comprise nut, packing ring and guide-localization sleeve pipe packing ring, wherein, one end socket riveted of described nut and packing ring links together, make that described nuts and washers can counterrotating being fixed together, perhaps nut and packing ring are solidified as a whole; The abutting end of the other end of described packing ring and guide-localization sleeve pipe packing ring is the fit end, constitute shrink-fit structure, in the suit place, the end face of these two fit ends of described packing ring and guide-localization sleeve pipe packing ring is provided with bell and spigot frame, at the end face of described guide-localization sleeve pipe packing ring with respect to the other end of described fit end, extend a hollow cylindrical body vertically, its endoporus is connected with the center hole of packing ring.
2, positioning combined lug nut according to claim 1, it is characterized in that: the bell and spigot frame of two fit ends of described packing ring and described guide-localization sleeve pipe packing ring is: the fit end of described packing ring has the termination of the taper gabarit of an evagination, the fit end of guide-localization sleeve pipe packing ring have fit end diameter than lug nut packing ring bigger be inner cone post hole, this inner cone post hole is concentric with the center hole of guide-localization sleeve pipe packing ring and be connected; When described packing ring and guide-localization sleeve pipe gasket sleeve lumped together, the side of the taper gabarit of described packing ring was that the faying surface of respective surfaces in the inner cone post hole of faying surface and described guide-localization sleeve pipe packing ring fits.
3, positioning combined lug nut according to claim 1, it is characterized in that: the structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring is: the fit end of described packing ring is the termination of cylindrical gabarit, the fit end of guide-localization sleeve pipe packing ring has the endoporus that a cylindrical gabarit termination with packing ring is complementary, and this endoporus is concentric with the center hole of described guide-localization sleeve pipe packing ring and be connected; When described packing ring and guide-localization sleeve pipe gasket sleeve lumped together, the cylindrical gabarit of described packing ring was that the faying surface of respective surfaces of the endoporus of faying surface and described guide-localization sleeve pipe packing ring fits.
4, positioning combined lug nut according to claim 1, it is characterized in that: the structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring is: the overall sizes of the fit end of described packing ring and guide-localization sleeve pipe packing ring is complementary, on both end faces, be respectively equipped with a protuberance and a recess that is complementary, the side gabarit of this protuberance and the side inner walls of recess are concentric with packing ring center hole separately, when described packing ring and guide-localization sleeve pipe gasket sleeve lump together, the side of described protuberance and recess is that faying surface fits, and the Transverse plane of two parts of described protuberance and recess outside also fits.
5, positioning combined lug nut according to claim 1, it is characterized in that: the structure of two fit ends of described packing ring and guide-localization sleeve pipe packing ring is: transition packing ring of riveted on the fit end of described packing ring, the fit end gabarit of its overall sizes and guide-localization sleeve pipe packing ring is complementary, on the end face of the fit end of this transition packing ring and guide-localization sleeve pipe packing ring, be respectively equipped with a protuberance and a recess that is complementary, when described packing ring and guide-localization sleeve pipe gasket sleeve lump together, the side of described protuberance and recess is that faying surface fits, and the Transverse plane of two parts of described protuberance and recess outside also fits.
6, according to claim 2 or 4 or 5 described positioning combined lug nuts, it is characterized in that: the angle of described faying surface and nut axis is 0-60 °.
7, positioning combined lug nut according to claim 6 is characterized in that: described angle is 0-45 °.
8, positioning combined lug nut according to claim 7 is characterized in that: described angle is 45 °.
9, positioning combined lug nut according to claim 1 is characterized in that: the length of the hollow cylinder of described positioning and guiding sleeve pipe packing ring is not shorter than 4mm.
10, positioning combined lug nut according to claim 1, it is characterized in that: described nut socket riveted end is provided with a riveted section, accordingly, the riveted end of described packing ring is provided with a hole section with the riveted end of nut coupling, be provided with a taper hole section thereafter, when with described nut and described taper washer riveted, one section of the end of the riveted section of described nut is fitted in riveted on the taper hole sector hole wall of taper washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900845U CN201106611Y (en) | 2007-11-08 | 2007-11-08 | Orientation combined tire nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900845U CN201106611Y (en) | 2007-11-08 | 2007-11-08 | Orientation combined tire nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106611Y true CN201106611Y (en) | 2008-08-27 |
Family
ID=39958410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201900845U Expired - Fee Related CN201106611Y (en) | 2007-11-08 | 2007-11-08 | Orientation combined tire nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106611Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825133A (en) * | 2010-05-14 | 2010-09-08 | 泉州丰源机械有限公司 | Combined type tyre nut |
| CN101709736B (en) * | 2009-12-02 | 2011-08-10 | 杨聪辉 | Nut |
| CN102341579A (en) * | 2009-03-25 | 2012-02-01 | 博格华纳公司 | Reduction of turbocharger core unbalance with centering device |
| CN106499717A (en) * | 2016-12-21 | 2017-03-15 | 申益 | A kind of nut collar fixed connection structure |
| CN106812776A (en) * | 2017-01-23 | 2017-06-09 | 杨聪辉 | Heavy nut and heavy nut component that a kind of screw rod is not easily broken |
| CN109778603A (en) * | 2017-11-13 | 2019-05-21 | 李光泽 | A kind of high-speed rail railroad track dedicated retaining check washer, nuts and bolt |
| CN110805474A (en) * | 2018-08-06 | 2020-02-18 | 通用电气公司 | Fairing assembly |
-
2007
- 2007-11-08 CN CNU2007201900845U patent/CN201106611Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341579A (en) * | 2009-03-25 | 2012-02-01 | 博格华纳公司 | Reduction of turbocharger core unbalance with centering device |
| CN101709736B (en) * | 2009-12-02 | 2011-08-10 | 杨聪辉 | Nut |
| CN101825133A (en) * | 2010-05-14 | 2010-09-08 | 泉州丰源机械有限公司 | Combined type tyre nut |
| CN106499717A (en) * | 2016-12-21 | 2017-03-15 | 申益 | A kind of nut collar fixed connection structure |
| CN106499717B (en) * | 2016-12-21 | 2019-03-12 | 申益 | A kind of nut collar fixed connection structure |
| CN106812776A (en) * | 2017-01-23 | 2017-06-09 | 杨聪辉 | Heavy nut and heavy nut component that a kind of screw rod is not easily broken |
| CN106812776B (en) * | 2017-01-23 | 2019-12-10 | 杨聪辉 | Heavy nut and heavy nut assembly that difficult rupture of screw rod |
| CN109778603A (en) * | 2017-11-13 | 2019-05-21 | 李光泽 | A kind of high-speed rail railroad track dedicated retaining check washer, nuts and bolt |
| CN110805474A (en) * | 2018-08-06 | 2020-02-18 | 通用电气公司 | Fairing assembly |
| CN110805474B (en) * | 2018-08-06 | 2022-11-01 | 通用电气公司 | Fairing assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinjiang Mingyang Auto Parts Manufacturing Co., Ltd. Assignor: Ke Huizhong Contract record no.: 2014990000852 Denomination of utility model: Orientation combined tire nut Granted publication date: 20080827 License type: Common License Record date: 20141104 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20161108 |