JP3484474B2 - Sticker with tone wheel - Google Patents
Sticker with tone wheelInfo
- Publication number
- JP3484474B2 JP3484474B2 JP10057098A JP10057098A JP3484474B2 JP 3484474 B2 JP3484474 B2 JP 3484474B2 JP 10057098 A JP10057098 A JP 10057098A JP 10057098 A JP10057098 A JP 10057098A JP 3484474 B2 JP3484474 B2 JP 3484474B2
- Authority
- JP
- Japan
- Prior art keywords
- closed ring
- tone wheel
- elastic
- magnet
- rotation speed
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7889—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to an inner race and extending toward the outer race
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車の車輪等の
回転速度を検出するための回転速度検出装置を形成した
シール材であって、回転検出精度の向上と良好な成形性
を図ったトーンホィール付シールに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing material formed with a rotation speed detecting device for detecting the rotation speed of an automobile wheel or the like, and a tone having improved rotation detection accuracy and good moldability. Regarding seals with wheels.
【０００２】[0002]
【従来の技術】トーンホィールは自動車に置けるアンチ
ロックブレーキシステム、トラクションコントロールシ
ステム、あるいはスタビリティコントロールシステムな
どの走行安全装置を自在に制御するために装備されるも
のであって、その配置箇所としては、自動車の懸架装置
のハブフランジ等に配備されてその車輪の回転数を検出
せしめており、前後・左右など複数の車輪の回転数の違
いを感知して駆動装置あるいはブレーキ装置等をオン・
オフせしめ、自動車の緊急時の挙動を制御し安定性と安
全性を確保している。2. Description of the Related Art A tone wheel is equipped to freely control a traveling safety device such as an anti-lock brake system, a traction control system, or a stability control system that can be installed in an automobile. It is installed on the hub flange of the suspension system of an automobile to detect the rotation speed of its wheels, and it detects the difference in the rotation speed of multiple wheels such as front and rear, left and right, and turns on the drive device or brake device.
It is turned off to control the behavior of the vehicle in an emergency to ensure stability and safety.
【０００３】一方、前記のような走行安全装置の装着さ
れる回転部分では潤滑油の漏洩を防ぐシールが不可欠な
ものとなっており、その回転部分の空隙に回転数検出装
置とシール材とを装着した構造が一般的に用いられてい
る。昨今では、このような回転数検出装置とシール材の
それぞれを合体せしめた回転検出装置付きの密封環が普
及するに至っている。その一般的な構造の回転数検出装
置付シール、すなわちトーンホィール付シールとして
は、図面によって説明すると図４に示すように、径方向
のフランジを持つ密封材（３ａ）へ磁性を有する径方向
の円環部（３ｂ）を形成し、この円環部（３ｂ）を着磁
せしめてトーンホィールを構成している構造が多く、該
円環部（３ｂ）へ回転数検出センサ（４）を近設配備し
てその車輪の回転数を感知検出している。On the other hand, a seal for preventing the leakage of lubricating oil is indispensable in the rotating portion where the traveling safety device as described above is mounted, and the rotation speed detecting device and the sealing material are provided in the gap of the rotating portion. The mounted structure is generally used. In recent years, a sealing ring with a rotation detecting device in which such a rotation speed detecting device and a sealing material are united has become popular. As a seal with a rotation speed detecting device of the general structure, that is, a seal with a tone wheel, as shown in FIG. 4 when explained by the drawing, as shown in FIG. In many cases, the ring portion (3b) is formed and the tone wheel is formed by magnetizing the ring portion (3b). The rotation speed detection sensor (4) is brought close to the ring portion (3b). It is installed and detects the rotation speed of the wheel.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな密封材（３ａ）のフランジに形成された径方向の円
環部（３ｂ）からなるトーンホィールにあっては、走行
安定を図るものであるから回転数検出の正確性が要求さ
れるので、広面積で平滑なパルス発生面（３１ｂ）を必
要とするが、実際は生産性あるいは金型製作上等で材料
充填用の射出成形注入穴（図示していない）が該パルス
発生面（３１ｂ）上に配置される場合が多く、このよう
にパルス発生面（３１ｂ）へ前記注入穴が設置されると
その近辺に流れ波傷あるいはバリ等が発生し、該部分を
注意深く仕上げ形成しても平面の平滑度が失われている
ので、その後の着磁しての磁力に少なからず悪影響を及
ぼし精度の高い磁極を形成し得ない。However, in the tone wheel including the radial annular portion (3b) formed on the flange of the sealing material (3a), the running stability is intended. Therefore, a large area and a smooth pulse generating surface (31b) are required because the accuracy of the rotation speed detection is required, but in reality, injection molding injection holes for material filling (Fig. In many cases, (not shown) is arranged on the pulse generating surface (31b), and when the injection hole is installed on the pulse generating surface (31b), flow wave scratches or burrs are generated in the vicinity thereof. However, even if the portion is carefully finished and formed, the smoothness of the flat surface is lost, so that the magnetic force of the subsequent magnetization is adversely affected to a considerable extent, and a highly accurate magnetic pole cannot be formed.
【０００５】また、従来から行なわれている金型内に磁
性弾性体材料と密封材（３ａ）とを投入して円環部（３
ｂ）を圧縮形成せしめるコンプレッション成型方法（図
示していない）においては、圧縮流れ方向に均一性が保
てずプレスされた弾性材料中の磁性材を円周上に均一に
分布させるのが難しいもので、これも均質な磁極を形成
し得ない。Further, a magnetic elastic material and a sealing material (3a) are put into a mold which has been conventionally used, and an annular portion (3
In the compression molding method (not shown) in which b) is formed by compression, it is difficult to evenly distribute the magnetic material in the pressed elastic material on the circumference without maintaining uniformity in the compression flow direction. However, this also cannot form a uniform magnetic pole.
【０００６】本発明はこのような欠点に鑑み、広面積の
磁極部へ正確な着磁をなさしめて精度の高い回転数検出
を実現することのできるトーンホィール付シールを提供
することを目的としている。In view of such drawbacks, the present invention has an object to provide a seal with a tone wheel capable of accurately magnetizing a magnetic pole portion having a large area and realizing highly accurate rotation speed detection. .
【０００７】[0007]
【課題を解決しようとする手段】本発明はハウジングで
ある軸受ユニット（１）の内・外径側（図示していな
い）に圧入支持された閉鎖環（２ａ）と、該閉鎖環（２
ａ）の径方向へＳ極とＮ極とを周状に配した多極磁石の
弾性マグネット（２ｂ）が設けられたトーンホィール付
シールであって、図１に示すように前記弾性マグネット
（２ｂ）は合成ゴムまたは合成樹脂等の弾性材料中にフ
ェライトなどの強磁性材の粉末を混合形成した複合材か
らなっており、前記閉鎖環（２ａ）の径方向部外周へ均
等に配分した裏面に通ずる複数の切り欠き部（２ｃ）を
形成し、前記閉鎖環（２ａ）の裏面側より前記複数の切
り欠き部（２ｃ）を流入通路として前記複合材を均等量
をもって射出充填し弾性マグネット（２ｂ）を形成せし
めることを特徴としている。According to the present invention, a closed ring (2a) is press-fitted and supported on inner and outer diameter sides (not shown) of a bearing unit (1) which is a housing, and the closed ring (2).
A seal with a tone wheel provided with an elastic magnet (2b) of a multi-pole magnet in which S poles and N poles are circumferentially arranged in a radial direction of a), and the elastic magnet (2b ) Is a composite material in which a powder of a ferromagnetic material such as ferrite is mixed and formed in an elastic material such as synthetic rubber or synthetic resin, and is provided on the back surface evenly distributed to the outer periphery of the radial portion of the closed ring (2a). A plurality of cutouts (2c) communicating with each other is formed, and the composite material is evenly distributed from the back surface side of the closed ring (2a) using the plurality of cutouts (2c) as an inflow passage .
It is characterized in that the elastic magnet (2b) is formed by injection filling.
【０００８】[0008]
【発明の実施の形態】本発明は上記したように、磁極が
回転することでその回転数を感知する磁性型のトーンホ
ィールと回転数検出センサ（４）にあって、パルスを発
生する磁極面（２１）を閉鎖環（２ａ）の裏面側より複
数均等に配置された切り欠き部（２ｃ）を通してそれぞ
れ均等量射出形成せしめることによって平滑に整え、形
成された弾性マグネット（２ｂ）の磁極面（２１）に着
磁ヨーク（図示していない）を押し当て、該着磁ヨーク
に配置された通りのはっきりとＳ極、Ｎ極を等間隔に交
互に刻んだ磁極をそのまま正確に移して着磁せしめる。
ここで明確で強い磁極が得られ、回転数検出センサ
（４）の感知能力を飛躍的に高め精度の高い回転数検出
をなさしめることができるものとなる。BEST MODE FOR CARRYING OUT THE INVENTION As described above, the present invention resides in a magnetic type tone wheel and a rotation speed detecting sensor (4) for detecting the rotation speed of a magnetic pole by rotating the magnetic pole surface for generating a pulse. double from the rear side of the closure ring (2a) and (21)
Through which cutout portions arranged in several equally (2c)
The elastic yoke (2b) is pressed by a magnetizing yoke (not shown) on the magnetic pole surface (21) of the formed elastic magnet (2b) to form the elastic magnet (2b). The S pole and N pole are alternately carved at equal intervals, and the magnetic poles are accurately transferred as they are to be magnetized.
Here, a clear and strong magnetic pole can be obtained, and the sensing ability of the rotation speed detection sensor (4) can be remarkably enhanced to enable highly accurate rotation speed detection.
【０００９】[0009]
【実施例】本発明は弾性マグネット（２ｂ）の磁性材を
円周状に均等に分布せしめて成型するためになされてお
り、その実施においては、金型のキャビティ内に磁性材
料含有の複合材を射出する射出成型方法あるいはポット
から複合材を注入するトランスファー成型方法を用い、
図１及び図３に示すように投入する閉鎖環（２ａ）の裏
面側の金型キャビティへ材料充填用の注入穴（２ｄ）を
配置させ、図２に示すように該注入穴（２ｄ）から切り
欠き部（２ｃ）を通って材料の注入をなさしめ裏面側か
ら前記複合材を充填して弾性マグネット（２ｂ）を形成
せしめる。この切り欠き穴（２ｃ）は閉鎖環（２ａ）の
径方向部へ均等に配分形成されており、前記射出あるい
は注入成形用の注入穴（２ｄ）から注入された複合材は
前記切り欠き部（２ｃ）から磁極面（２１）に向かい正
しい配分位置を保ちながら均等量をもって流入し、充填
され、キャビティ内へ充満する。ここで磁極面（２１）
は平滑な成型面が得られると共に、均等に整合配列され
た磁性材を得ることができ、よって着磁の精度を高めて
明確なるパルス発生磁極を形成する。EXAMPLE The present invention is made in such a manner that the magnetic material of the elastic magnet (2b) is evenly distributed in a circumferential shape and is molded. In this embodiment, the composite material containing the magnetic material is contained in the cavity of the mold. Using the injection molding method of injecting or the transfer molding method of injecting the composite material from the pot,
As shown in FIG. 1 and FIG. 3, an injection hole (2d) for material filling is arranged in the mold cavity on the back side of the closed ring (2a) to be injected, and the injection hole (2d) is inserted from the injection hole (2d) as shown in FIG. Material is injected through the notch (2c) and the composite material is filled from the back surface side to form the elastic magnet (2b). The notch holes (2c) are evenly distributed and formed in the radial direction of the closed ring (2a), and the composite material injected from the injection hole (2d) for injection or injection molding has the notch part (2c). 2c) flows toward the magnetic pole surface (21) in a uniform amount while maintaining a correct distribution position, is filled, and fills the cavity. Here magnetic pole surface (21)
In addition to obtaining a smooth molding surface, it is possible to obtain a magnetic material that is evenly aligned and arranged. Therefore, the accuracy of magnetization is improved and a clear pulse generating magnetic pole is formed.
【００１０】前記の図２で示した切り欠き部（２ｃ）は
閉鎖環（２ａ）の径方向部外周縁を切り欠いた形状が造
形するに容易であり複合材の充填流れ性にも優れるが、
図１に示すような裏面に通じる複数の貫通穴の形状に造
形することも可能であって、この形状ではより注入量を
コントロールすることができるので複合材を注入する正
確性が増すと共に外縁全周の剛性が強く保てるものとな
る。The notch (2c) shown in FIG. 2 has a shape in which the outer peripheral edge of the radial direction of the closed ring (2a) is notched, which is easy to form and has excellent filling flowability of the composite material. ,
It is also possible to form in the shape of a plurality of through holes leading to the back surface as shown in Fig. 1. With this shape, the injection amount can be controlled more, so that the accuracy of injecting the composite material is increased and the entire outer edge is increased. The rigidity of the circumference can be kept strong.
【００１１】着磁においては、Ｓ極とＮ極を交互に配し
た着磁ヨークを弾性マグネット（２ｂ）の磁極面（２
１）へ圧接触せしめると、合成ゴムまたは合成樹脂等の
弾性材でなる弾性マグネット（２ｂ）は弾性変形を伴い
ながらその全周面が均等確実に密着するもので、これに
より等ピッチに精度高く刻まれた磁極を正確に移し込み
着磁をなさしめることができるものとなっている。In magnetizing, a magnetizing yoke in which S poles and N poles are alternately arranged is used as a magnetic pole surface (2) of an elastic magnet (2b).
When pressed into contact with 1), the elastic magnet (2b) made of an elastic material such as synthetic rubber or synthetic resin adheres evenly and securely to the entire circumferential surface while being elastically deformed. The engraved magnetic poles can be accurately transferred and magnetized.
【００１２】[0012]
【発明の効果】上記のような構成によって、以下に示す
優れた効果が得られる。本発明のトーンホィール付シー
ルは、金型キャビティ内へ成型材料を直接注入して形成
することのできる生産性に優れた射出あるいは注入成形
タイプの成型方法を用いるものであり、この射出成型方
法であってもパルス発生面の裏面側より均等に配置され
た複数の切り欠き部（２ｃ）を通して注入形成せしめる
ことで平滑面を得て弾性材料中の磁性材を円周上に均一
に分布させることができ、もって正確な着磁をなさしめ
て精度の高い回転数検出を実現することができるものと
なった。With the above-described structure, the following excellent effects can be obtained. The tone wheel seal of the present invention uses an injection or injection molding type molding method which is excellent in productivity and can be formed by directly injecting the molding material into the mold cavity. Even if there is, it is arranged evenly from the back side of the pulse generation surface.
By injecting and forming through a plurality of notches (2c), a smooth surface can be obtained, and the magnetic material in the elastic material can be evenly distributed on the circumference, and thus accurate magnetization can be achieved with high accuracy. It became possible to realize the rotation speed detection.
【図１】本発明の一実施例を示す略断面図である。FIG. 1 is a schematic cross-sectional view showing an embodiment of the present invention.
【図２】本発明の他の実施例を示す平面図である。FIG. 2 is a plan view showing another embodiment of the present invention.
【図３】本発明の他の実施例を示す略断面図である。FIG. 3 is a schematic cross-sectional view showing another embodiment of the present invention.
【図４】本発明を用いない装着例を示す断面図である。FIG. 4 is a sectional view showing a mounting example not using the present invention.
１ 軸受ユニット ２ａ 閉鎖環 ２ｂ 弾性マグネット ２ｃ 切り欠き部 ２ｄ 注入穴 ２１ 磁極面 ３ａ 密封材 ３ｂ 円環部 ３１ｂ パルス発生面 ４ 回転数検出センサ 1 Bearing unit 2a closed ring 2b Elastic magnet 2c Notch 2d injection hole 21 Magnetic pole face 3a Sealant 3b ring part 31b Pulse generation surface 4 Rotation speed detection sensor
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) G01P 3/487 F16C 33/78 F16J 15/32 311 Front page continuation (58) Fields surveyed (Int.Cl. 7 , DB name) G01P 3/487 F16C 33/78 F16J 15/32 311
Claims (2)
入支持された閉鎖環と、該閉鎖環の径方向へＳ極とＮ極
とを周状に配した多極磁石の弾性マグネットが設けられ
たトーンホィール付シールにおいて、 前記弾性マグネットは弾性材料中に強磁性材の粉末を混
合形成した複合材より構成され、 前記閉鎖環の径方向部へ均等な位置に配分された裏面に
通ずる複数の切り欠き部を形成し、 前記閉鎖環の裏面側より前記切り欠き部を流入通路とし
て前記複合材を均等量射出充填し弾性マグネットを形成
せしめたことを特徴とするトーンホィール付シール。1. A closed ring which is press-fitted and supported on an inner diameter side or an outer diameter side of a housing, and an elastic magnet of a multi-pole magnet in which an S pole and an N pole are circumferentially arranged in a radial direction of the closed ring. In the seal with a tone wheel, the elastic magnet is composed of a composite material in which a powder of a ferromagnetic material is mixed and formed in an elastic material, and a plurality of the plurality of leading to the back surface evenly distributed in the radial direction of the closed ring are provided . A seal with a tone wheel, characterized in that a notch is formed and an elastic magnet is formed by injecting and filling an equal amount of the composite material from the back side of the closed ring using the notch as an inflow passage.
通ずる切り欠き部は複数の貫通穴であることを特徴とす
る請求項１のトーンホィール付シール。2. The seal with a tone wheel according to claim 1, wherein the notch formed in the radial portion of the closed ring and communicating with the back surface is a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057098A JP3484474B2 (en) | 1998-03-26 | 1998-03-26 | Sticker with tone wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057098A JP3484474B2 (en) | 1998-03-26 | 1998-03-26 | Sticker with tone wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11281659A JPH11281659A (en) | 1999-10-15 |
| JP3484474B2 true JP3484474B2 (en) | 2004-01-06 |
Family
ID=14277577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10057098A Expired - Fee Related JP3484474B2 (en) | 1998-03-26 | 1998-03-26 | Sticker with tone wheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3484474B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4498506B2 (en) * | 1999-11-15 | 2010-07-07 | 内山工業株式会社 | Magnetic rubber ring magnetizing method |
| FR2853384B1 (en) * | 2003-04-01 | 2006-06-30 | Skf Ab | PULLEY, DETECTION DEVICE COMPRISING SUCH PULLEY, AND INTERNAL COMBUSTION ENGINE EQUIPPED WITH SUCH A DEVICE |
| JP4882278B2 (en) * | 2005-05-25 | 2012-02-22 | Ｎｏｋ株式会社 | Magnetic encoder |
| JP4705854B2 (en) | 2006-01-11 | 2011-06-22 | 内山工業株式会社 | Tone wheel and manufacturing method thereof |
| JP4685683B2 (en) | 2006-03-31 | 2011-05-18 | 中西金属工業株式会社 | Magnetic encoder and manufacturing method thereof |
| CN111271379B (en) * | 2019-11-28 | 2021-07-27 | 浙江零跑科技有限公司 | Wheel hub bearing structure |
-
1998
- 1998-03-26 JP JP10057098A patent/JP3484474B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11281659A (en) | 1999-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7056028B2 (en) | Combination seal ring with encoder | |
| US6640451B1 (en) | System and method for sensing the angular position of a rotatable member | |
| WO2007122919A1 (en) | Sealing device | |
| JP3484474B2 (en) | Sticker with tone wheel | |
| US6906509B2 (en) | Rotor for rotation sensor | |
| EP1627156B1 (en) | Rotary device with sensor and method for forming apparatus for measuring load on rolling bearing unit | |
| JP4720400B2 (en) | Rolling bearing unit for wheel support with combined seal ring and manufacturing method thereof | |
| JPH09251028A (en) | Rolling bearing unit with rotation speed detecting device | |
| JP2004198305A (en) | Rotation detecting sensor | |
| JP3451423B2 (en) | How to magnetize the tone wheel | |
| JP2816783B2 (en) | Bearing seal with rotation detection device | |
| US6843410B2 (en) | Encoder-equipped seal | |
| JP3624494B2 (en) | Rolling bearing unit with tone wheel | |
| JP5609554B2 (en) | Magnetized pulsar ring, rolling bearing device, and method of manufacturing magnetized pulsar ring | |
| KR20050085616A (en) | Roller bearing with encoder and its manufacturing method | |
| JP2000142341A5 (en) | ||
| JPH1048230A (en) | Bearing assembly | |
| JP2003307229A (en) | Bearing with built-in pulse forming ring and hub unit bearing | |
| KR102233658B1 (en) | How to manufacture a hub unit | |
| JP5274042B2 (en) | Wheel bearing device with rotation detector | |
| JP2004183769A (en) | Bearing device for wheel | |
| JP3979058B2 (en) | Encoder inspection method and inspection magnetizing apparatus | |
| JP2005016990A (en) | Encoder for wheel rotation speed detection | |
| JP2013181859A (en) | Magnetized pulser ring and rolling bearing deice provided with the same | |
| JP2005024017A (en) | Structure of bearing device with tone wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071024 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081024 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081024 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091024 Year of fee payment: 6 |
|
| LAPS | Cancellation because of no payment of annual fees |