JPH073089Y2 - Sealing device - Google Patents
Sealing deviceInfo
- Publication number
- JPH073089Y2 JPH073089Y2 JP1988166542U JP16654288U JPH073089Y2 JP H073089 Y2 JPH073089 Y2 JP H073089Y2 JP 1988166542 U JP1988166542 U JP 1988166542U JP 16654288 U JP16654288 U JP 16654288U JP H073089 Y2 JPH073089 Y2 JP H073089Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer peripheral
- seal
- sealing device
- metal ring
- sleeve member
- 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 - Lifetime
Links
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、密封装置、特にシール部材と、スリーブ部材
とを一体にした密封装置に関する。TECHNICAL FIELD The present invention relates to a sealing device, and more particularly to a sealing device in which a sealing member and a sleeve member are integrated.
（従来の技術） 従来、このような密封装置として、第６図に示すような
密封装置100がある。密封装置100はシール部材101とス
リーブ部材102とからなる。シール部材101は円周部101a
と半径部101bとからなる金属環103を有する。この金属
環103の内外周部にゴム弾性体を焼付成形して形成され
ており、ハウジング104の内部に嵌合するゴム部105を有
する。(Prior Art) Conventionally, as such a sealing device, there is a sealing device 100 as shown in FIG. The sealing device 100 includes a sealing member 101 and a sleeve member 102. The seal member 101 has a circumferential portion 101a.
And a metal ring 103 including a radius portion 101b. A rubber elastic body is formed by baking on the inner and outer peripheral portions of the metal ring 103, and has a rubber portion 105 fitted inside the housing 104.
一方、半径部101bからはシールリップ部106が延びてお
り、シールリップ部106はスリーブ部材102の外周部に摺
接しており、密封流体を密封するようになっている。On the other hand, a seal lip portion 106 extends from the radius portion 101b, and the seal lip portion 106 is in sliding contact with the outer peripheral portion of the sleeve member 102 to seal the sealing fluid.
一方、シールリップ部106の大気側にはダストリップ107
が設けられ大気中のダストが機器内部に侵入することを
防止する。On the other hand, the dust lip 107 is provided on the atmosphere side of the seal lip portion 106.
Is provided to prevent dust in the atmosphere from entering the equipment.
さらに半径部101bにはスリーブ部材102と接するシール
端面部108が設けられスリーブ部材102と接触している。Further, a seal end surface portion 108 that contacts the sleeve member 102 is provided on the radius portion 101b and is in contact with the sleeve member 102.
また、スリーブ部材102には内周に軸と接するゴム製の
嵌合部109が設けられている。Further, the sleeve member 102 is provided with a rubber fitting portion 109 in contact with the shaft on the inner circumference.
次に、第２の従来例を第７図に示す。この密封装置110
によればシール部材111とスリーブ部材112とからなる。
シール部材111は、シールリップ部113とダストリップ11
4とを有し、さらにスリーブ部材112の端面に接するシー
ル端面部116とを有する。115は、スリーブ部材112の端
部を曲げて形成した曲げ部である。Next, a second conventional example is shown in FIG. This sealing device 110
According to the above, it comprises a seal member 111 and a sleeve member 112.
The seal member 111 includes a seal lip portion 113 and a dust lip 11
And a seal end surface portion 116 that contacts the end surface of the sleeve member 112. Reference numeral 115 is a bent portion formed by bending the end portion of the sleeve member 112.
さらに、第３の従来例を第８図に示す。この密封装置12
0によれば部品点数が４点となる。即ち、外環部121と、
内環部122とを有する。さらに、軸に固定されるスリー
ブ部材123を有し、このスリーブ部123の外周部にシール
部材124とを有する。Further, a third conventional example is shown in FIG. This sealing device 12
According to 0, the number of parts is four. That is, the outer ring portion 121,
And an inner ring portion 122. Further, it has a sleeve member 123 fixed to the shaft, and a seal member 124 on the outer peripheral portion of the sleeve portion 123.
（考案が解決しようとする問題点） しかしながら、上記した従来技術の密封装置100によれ
ばシール部材101とスリーブ部材102が一体化されておら
ず分離可能であるため、ベアリングのガタ、または修理
分解時の軸部の図中矢印方向への移動により、シール端
面108とスリーブ102の間に間隙が生じ内部Ａの空間に、
ダスト，泥水等が容易に侵入しダストリップ107,シール
リップ106が短時間で摩耗し、耐久性が低下するという
問題が有る。(Problems to be solved by the invention) However, according to the above-described conventional sealing device 100, since the seal member 101 and the sleeve member 102 are not integrated and separable from each other, there is looseness of the bearing or repair / disassembly. By moving the shaft portion in the direction of the arrow in the figure at this time, a gap is created between the seal end surface 108 and the sleeve 102, and the space of the inside A is
There is a problem that dust, muddy water, etc. easily enter and the dust lip 107 and the seal lip 106 are worn in a short time, resulting in deterioration of durability.
また、シール端面130とスリーブ102の間が開放されてい
るため、外部のダスト，泥水等が直接端面突起108の部
位に来るため短時間で摺動部が摩耗し、スキ間があき、
内部への浸入に至るという問題がある。また、取りはず
しが可能であるため、取り扱いに注意しないとシールリ
ップ106のリップ部を傷つける可能性がある。Further, since the gap between the seal end surface 130 and the sleeve 102 is opened, external dust, muddy water, etc. come directly to the site of the end surface protrusion 108, so that the sliding portion is worn in a short time, leaving a gap,
There is a problem that it leads to infiltration. Further, since it can be removed, the lip portion of the seal lip 106 may be damaged unless care is taken in handling.
また、他の従来例の密封装置110では、部品点数が２点
でユニタイズド化された例である。この密封装置110の
場合には、組立ての際、シール部材111にスリーブ部材1
12を入れ、スリーブ部材112の端部115を曲げ一体化して
いる。従って、組立の際、スリーブ部材112の端部115を
曲げる工程が必要となるという問題とともに第１の密封
装置100の場合と同様にダストが侵入し易い構造となっ
ている。Further, the other conventional sealing device 110 is an example in which the number of parts is two and is unitized. In the case of this sealing device 110, the sleeve member 1 is attached to the sealing member 111 during assembly.
12 is inserted and the end portion 115 of the sleeve member 112 is bent and integrated. Therefore, as in the case of the first sealing device 100, dust is likely to enter, as well as the problem that a step of bending the end portion 115 of the sleeve member 112 is required at the time of assembly.
さらに従来例の密封装置120では部品点数が４点と多く
組み立て工程も必要でコストが高くなるという問題があ
る。Further, the sealing device 120 of the conventional example has a problem that the number of parts is as many as four and an assembling process is required, resulting in a high cost.
本考案は上記諸問題に鑑みなされたもので、その目的と
するところは、シール性、特に、ダストシール性を向上
させるとともに、部品点数の削減によるコスト低減を図
り、組立工程の簡易化を行ない得る密封装置を提供する
ことにある。The present invention has been made in view of the above problems, and an object thereof is to improve the sealing property, particularly the dust sealing property, reduce the cost by reducing the number of parts, and simplify the assembly process. To provide a sealing device.
（課題を解決するための手段） 上記目的を有する本考案は、外周円筒部に段状に大径部
及び小径部を備え、該小径部から半径方向に延びる半径
部を有する金属環にゴム弾性体を焼付成形して形成され
たシール部材と、略Ｕ字形金属環にゴム弾性体を焼付成
形して形成されたスリーブ部材とからなる密封装置であ
って、前記シール部材は前記半径部内周側にスリーブ部
材に摺接して密封流体を密封するシールリップと、前記
外周円筒部にある小径部の外周側に前記ゴム弾性体製の
凸部と、該凸部によって生ぜしめられる凹部と、を有
し、スリーブ部材の外周部には前記凹部及び凸部との間
で軸方向に通じる微小間隙を形成したことを特徴とす
る。(Means for Solving the Problem) In the present invention having the above-mentioned object, the outer peripheral cylindrical portion is provided with a large diameter portion and a small diameter portion in a stepwise manner, and a metal ring having a radius portion extending in the radial direction from the small diameter portion is rubber-elastic. A sealing device comprising a seal member formed by baking a body and a sleeve member formed by baking a rubber elastic body on a substantially U-shaped metal ring, wherein the seal member is on an inner peripheral side of the radius portion. And a seal lip that slidably contacts the sleeve member to seal the sealing fluid, a convex portion made of the rubber elastic body on the outer peripheral side of the small diameter portion in the outer peripheral cylindrical portion, and a concave portion generated by the convex portion. However, a minute gap is formed on the outer peripheral portion of the sleeve member so as to communicate with the concave portion and the convex portion in the axial direction.
（作用） 而して本考案によれば、略Ｕ字形のシール部材は内周側
にスリーブ部材に摺接して密封流体を密封するシールリ
ップと、外周円筒部にある小径部の外周側にゴム弾性体
製の凸部と、該凸部によって生ぜしめられる凹部と、を
有し、スリーブ部材の外周部には前記凹部及び凸部との
間で軸方向に通じる微小間隙を形成している。従って、
このようにスリーブ部とシール部材をユニタイズド化し
たことにより部品点数を削減し得、コストダウンが図れ
る。また、手で密封装置を組み立てられるため密封装置
の組立工程が簡略化される。(Operation) Thus, according to the present invention, the substantially U-shaped seal member has a seal lip that slidably contacts the sleeve member on the inner peripheral side to seal the sealing fluid, and a rubber member on the outer peripheral side of the small diameter portion in the outer peripheral cylindrical portion. It has a convex portion made of an elastic body and a concave portion generated by the convex portion, and a minute gap communicating with the concave portion and the convex portion in the axial direction is formed on the outer peripheral portion of the sleeve member. Therefore,
By thus unitizing the sleeve portion and the seal member, the number of parts can be reduced and the cost can be reduced. Also, since the sealing device can be assembled by hand, the assembly process of the sealing device is simplified.
さらに、スリーブ部材の上方端部はシール部の小径部に
設けられた凹部及び凸部と微小間隙を有するように折り
曲げられているのでラビリンスシールとしての機能を有
し、耐ダスト性が著しく向上する。Further, since the upper end of the sleeve member is bent so as to have a minute gap with the concave portion and the convex portion provided in the small diameter portion of the seal portion, it has a function as a labyrinth seal and the dust resistance is remarkably improved. .
（実施例） 以下、本考案を図示の実施例に基づいて説明する。(Embodiment) Hereinafter, the present invention will be described based on an illustrated embodiment.
第１図に本考案の密封装置の全体の縦断面を示し、１は
密封装置である。密封装置１は、シール部材２と、スリ
ーブ部材３とからなる。シール部材２は金属環４を有す
る。金属環４は外周円筒部4aと半径方向部4bとからな
り、外周円筒部4aは大径部５と小径部６とからなる。そ
して、この金属環４の外周部にゴム弾性体が焼付成形さ
れてシール部材２を形成している。シール部材２には相
手側ハウジング７に嵌合するゴム部８と前記小径部６の
外周部に設けられた凹部９と凸部10が形成されている。FIG. 1 shows the entire vertical cross section of the sealing device of the present invention, and 1 is the sealing device. The sealing device 1 includes a seal member 2 and a sleeve member 3. The seal member 2 has a metal ring 4. The metal ring 4 includes an outer peripheral cylindrical portion 4a and a radial direction portion 4b, and the outer peripheral cylindrical portion 4a includes a large diameter portion 5 and a small diameter portion 6. Then, a rubber elastic body is baked on the outer peripheral portion of the metal ring 4 to form the seal member 2. The seal member 2 is formed with a rubber portion 8 that fits into the mating housing 7, and a concave portion 9 and a convex portion 10 provided on the outer peripheral portion of the small diameter portion 6.
一方、金属環４の半径方向部4bの内周部には、シールリ
ップ11が設けられており、シールリップ11の外周側には
シールリップ11に締め付け力を与えるガータースプリン
グ12が取り付けられている。On the other hand, a seal lip 11 is provided on the inner peripheral portion of the radial portion 4b of the metal ring 4, and a garter spring 12 that gives a tightening force to the seal lip 11 is attached to the outer peripheral side of the seal lip 11. .
さらに、シールリップ11の大気側に大気よりのダストの
侵入を防止するダストリップ13が形成されている。シー
ルリップ11及びダストリップ13は、スリーブ部材３の外
周部に摺接している。スリーブ部材３は、Ｕ字金属環15
から形成され、Ｕ字形金属環15は、金属環４の外周円筒
部4aと同方向に延びる金属環内周部16と、半径部17と、
外周部18とを有し、外周部18の先端部19が半径方向内周
側に折り曲げられている。またこの半径部17に環状突起
21が形成されている。このＵ字形金属環15の内周にゴム
が焼き付け形成され相手シャフトと嵌合する嵌合部20が
形成されている。Further, a dust lip 13 is formed on the atmosphere side of the seal lip 11 to prevent dust from entering the atmosphere. The seal lip 11 and the dust lip 13 are in sliding contact with the outer peripheral portion of the sleeve member 3. The sleeve member 3 is a U-shaped metal ring 15
And the U-shaped metal ring 15 includes a metal ring inner peripheral portion 16 extending in the same direction as the outer peripheral cylindrical portion 4a of the metal ring 4, a radius portion 17,
An outer peripheral portion 18 is provided, and a tip end portion 19 of the outer peripheral portion 18 is bent radially inward. In addition, an annular protrusion
21 are formed. Rubber is baked on the inner circumference of the U-shaped metal ring 15 to form a fitting portion 20 for fitting with a mating shaft.
第２図にＵ字形金属環15が示されている。ここで金属環
内周部16の長さをａとし、外周部18の長さをｂとする
と、ａ＞ｂとなるように構成される。次に第３図に第１
図の一部を拡大して示す。ここでは、Ｕ字形金属環15の
先端部19と凹部９との間の間隙をｃとする。そして凹部
９と凸部10との間の間隙をｅとする。さらに、Ｕ字形金
属環15の外周部18の内側と凸部10との間の間隙をｄとす
るとｄ＞o,e＞ｃでｃ＞ｏになるように先端部が半径方
向に折り曲げられる。このようにしてシール部材１とス
リーブ部材２を一体化する。A U-shaped metal ring 15 is shown in FIG. Here, if the length of the inner peripheral portion 16 of the metal ring is a and the length of the outer peripheral portion 18 is b, then a> b is established. Next, in FIG.
A part of the figure is enlarged and shown. Here, the gap between the tip 19 of the U-shaped metal ring 15 and the recess 9 is c. The gap between the concave portion 9 and the convex portion 10 is e. Further, when the gap between the inside of the outer peripheral portion 18 of the U-shaped metal ring 15 and the convex portion 10 is d, the tip end portion is bent in the radial direction so that d> o and e> c and c> o. In this way, the seal member 1 and the sleeve member 2 are integrated.
このように構成された密封装置１によればシール部材２
とスリーブ部材３とを一体化しているが、軸方向にある
程度の可偏が許容されるのでシール性がよい。According to the sealing device 1 configured as described above, the sealing member 2
Although the sleeve member 3 and the sleeve member 3 are integrated, a certain degree of bias is allowed in the axial direction, so that the sealing property is good.
また、シール部材２とスリーブ部材３が多少離れても、
Ｕ字形金属環15の外周部18及び先端部19と凹部９と凸部
10に形成される間隙部によってラビリンスシールが形成
され耐ダスト性が向上する。In addition, even if the seal member 2 and the sleeve member 3 are slightly separated,
Outer peripheral portion 18 and tip portion 19 of U-shaped metal ring 15, concave portion 9 and convex portion
The labyrinth seal is formed by the gap formed in 10, and the dust resistance is improved.
第４図は、本考案の密封装置の取り付け例を示す縦断面
図である。FIG. 4 is a vertical sectional view showing an example of mounting the sealing device of the present invention.
第５図は、本考案の密封装置の第２実施例を示す。本実
施例において第１実施例と同一の機能作用を示すものに
ついては同一の符号をもって説明する。第５図において
密封装置１は、シール部材２と、スリーブ部材３とから
なる。シール部材２は金属環４を有する。金属環４は外
周円筒部4aと半径方向部4bとからなり、外周円筒部4aは
大径部５と小径部６とからなる。そして、この金属環４
の外周部にゴム弾性体が焼付成形されてシール部材２を
形成している。シール部材２は相手側ハウジング７に嵌
合するゴム部８と前記小径部６の外周部に設けられた凹
部９と凸部10が形成されている。FIG. 5 shows a second embodiment of the sealing device of the present invention. In this embodiment, components having the same functions and operations as those in the first embodiment will be described with the same reference numerals. In FIG. 5, the sealing device 1 comprises a seal member 2 and a sleeve member 3. The seal member 2 has a metal ring 4. The metal ring 4 includes an outer peripheral cylindrical portion 4a and a radial direction portion 4b, and the outer peripheral cylindrical portion 4a includes a large diameter portion 5 and a small diameter portion 6. And this metal ring 4
A rubber elastic body is baked on the outer peripheral portion of the above to form the seal member 2. The seal member 2 is formed with a rubber portion 8 that fits into the mating housing 7, and a concave portion 9 and a convex portion 10 provided on the outer peripheral portion of the small diameter portion 6.
一方、金属環４の半径方向部4bの外周部には、シールリ
ップ11が設けられており、シールリップ11の外周側には
シールリップ11に締め付け力を与えるガータースプリン
グ12が取り付けられている。On the other hand, a seal lip 11 is provided on the outer peripheral portion of the radial portion 4b of the metal ring 4, and a garter spring 12 that gives a tightening force to the seal lip 11 is attached to the outer peripheral side of the seal lip 11.
さらに、シールリップ11の大気側に大気よりのダストの
侵入を防止するダストリップ13が形成されている。シー
ルリップ11及びダストリップ13は、スリーブ部材３の外
周部に摺接している。スリーブは、Ｕ字形金属環15から
形成され、Ｕ字形金属環15は、金属環４の外周円筒部4a
と同方向に延びる金属環内周部16と、半径部17と、外周
部18とを有し、外周部18の先端部19が半径方向に折り曲
げられている。この半径部17に環状突起21が形成されて
いる。このＵ字形金属環15の内周にゴムが焼き付け成形
され相手シャフトと嵌合する嵌合部20が形成されてい
る。Further, a dust lip 13 is formed on the atmosphere side of the seal lip 11 to prevent dust from entering the atmosphere. The seal lip 11 and the dust lip 13 are in sliding contact with the outer peripheral portion of the sleeve member 3. The sleeve is formed of a U-shaped metal ring 15, and the U-shaped metal ring 15 is an outer peripheral cylindrical portion 4 a of the metal ring 4.
It has a metal ring inner peripheral part 16 extending in the same direction, a radius part 17, and an outer peripheral part 18, and a tip part 19 of the outer peripheral part 18 is bent in the radial direction. An annular protrusion 21 is formed on the radius portion 17. On the inner circumference of this U-shaped metal ring 15, rubber is baked and formed to form a fitting portion 20 for fitting with a mating shaft.
さらに嵌合部20から延びるゴムでハウジング７の端面に
接触するようにダストリップ55が形成されこれによって
耐ダスト性、泥水性が向上される。Further, the rubber strip extending from the fitting portion 20 forms the dust lip 55 so as to come into contact with the end surface of the housing 7, thereby improving dust resistance and mud water resistance.
（考案の効果） 本考案は、このような構成作用を有し、シールの密封性
を左右する軸の表面状態の管理が不要となり装着が容易
である。さらにシールのリップがスリーブによって保護
されているのでシールの取扱いが容易となる。(Advantages of the Invention) The present invention has such a configuration action, and it is not necessary to manage the surface condition of the shaft that influences the sealability of the seal, and the mounting is easy. In addition, the lip of the seal is protected by the sleeve, which facilitates handling of the seal.
さらに、スリーブ部にＵ字形のものを用い外周端面でユ
ニタイズド化したので、部品点数の削減によるコストダ
ウンが可能となり、手で組み立てが可能となるので、密
封装置の組立工程が簡易化される。Furthermore, since the U-shaped sleeve is used and the outer peripheral end face is unitized, the cost can be reduced by reducing the number of parts, and the assembly can be done by hand, so that the assembly process of the sealing device is simplified.
また、スリーブ部がスリンガーのようになっているため
外部ダスト，泥水等の飛抹が防止でき、耐ダスト性が著
しく向上する。Further, since the sleeve part is like a slinger, it is possible to prevent external dust, muddy water, and the like from splashing, and the dust resistance is significantly improved.
さらに、スリーブ外周金属部とシール部材外周突起によ
りラビリンスシールとしての機能を有し耐ダスト性が著
しく向上する。シール部材とスリーブ部材の軸方向にお
ける係合状態を凸部にて保持し分離を防止し、軸の偏心
等、半径方向における係合状態についてもゴム弾性体製
の凹部及び凸部によって弾性的に係合することになるた
め、良好な係合状態を維持できる。Further, the metal portion on the outer circumference of the sleeve and the projection on the outer circumference of the seal member have a function as a labyrinth seal, and the dust resistance is remarkably improved. The axial engagement state of the seal member and the sleeve member is held by the convex portion to prevent separation, and the radial engagement state such as eccentricity of the shaft is elastically made by the rubber elastic concave and convex portions. Since they will be engaged, a good engagement state can be maintained.
第１図は本考案の密封装置の縦断面図、第２図は本考案
の密封装置の部分断面図、第３図は本考案の密封装置の
部分断面図、第４図は本考案の密封装置の縦断面図、第
５図は本考案の他の実施例を示す縦断面図、第６図，第
７図及び第８図は、従来技術の密封装置の縦断面図であ
る。 符号の説明 １…密封装置、２…シール部材 ３…スリーブ部材、４…金属環 ５…大径部、６…小径部 ７…ハウジング、８…ゴム部 ９…凹部、10…凸部 11…シールリップ 12…ガータースプリング 13…ダストリップ1 is a longitudinal sectional view of the sealing device of the present invention, FIG. 2 is a partial sectional view of the sealing device of the present invention, FIG. 3 is a partial sectional view of the sealing device of the present invention, and FIG. 4 is a sealing of the present invention. FIG. 5 is a vertical sectional view of the apparatus, FIG. 5 is a vertical sectional view showing another embodiment of the present invention, and FIGS. 6, 7, and 8 are vertical sectional views of a conventional sealing device. DESCRIPTION OF SYMBOLS 1 ... Sealing device, 2 ... Sealing member 3 ... Sleeve member, 4 ... Metal ring 5 ... Large diameter portion, 6 ... Small diameter portion 7 ... Housing, 8 ... Rubber portion 9 ... Recessed portion, 10 ... Convex portion 11 ... Seal Lip 12 ... Garter spring 13 ... Dust lip
Claims (1)
え、該小径部から半径方向に延びる半径部を有する金属
環にゴム弾性体を焼付成形して形成されたシール部材
と、略Ｕ字形金属環にゴム弾性体を焼付成形して形成さ
れたスリーブ部材とからなる密封装置であって、 前記シール部材は前記半径部内周側にスリーブ部材に摺
接して密封流体を密封するシールリップと、前記外周円
筒部にある小径部の外周側に前記ゴム弾性体製の凸部
と、該凸部によって生ぜしめられる凹部と、を有し、ス
リーブ部材の外周部には前記凹部及び凸部との間で軸方
向に通じる微小間隙を形成したことを特徴とする密封装
置。1. A seal member formed by baking a rubber elastic body on a metal ring having a large-diameter portion and a small-diameter portion in a stepwise manner on an outer peripheral cylindrical portion and having a radial portion extending from the small-diameter portion in a radial direction. And a sleeve member formed by baking and molding a rubber elastic body on a substantially U-shaped metal ring, the seal member slidingly contacting the sleeve member on the inner peripheral side of the radius portion to seal a sealing fluid. A seal lip, a convex portion made of the rubber elastic body on the outer peripheral side of the small diameter portion in the outer peripheral cylindrical portion, and a concave portion generated by the convex portion, and the concave portion on the outer peripheral portion of the sleeve member. A sealing device characterized in that a minute gap communicating with the convex portion in the axial direction is formed.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166542U JPH073089Y2 (en) | 1988-12-23 | 1988-12-23 | Sealing device |
| US07/425,900 US4981303A (en) | 1988-10-25 | 1989-10-24 | Sealing device |
| US08/263,403 USRE35309E (en) | 1988-10-25 | 1994-06-21 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166542U JPH073089Y2 (en) | 1988-12-23 | 1988-12-23 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287175U JPH0287175U (en) | 1990-07-10 |
| JPH073089Y2 true JPH073089Y2 (en) | 1995-01-30 |
Family
ID=31454016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988166542U Expired - Lifetime JPH073089Y2 (en) | 1988-10-25 | 1988-12-23 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073089Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2518381Y2 (en) * | 1991-12-05 | 1996-11-27 | 内山工業株式会社 | Oil seal mounting structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5758455Y2 (en) * | 1978-07-27 | 1982-12-14 | ||
| US5004248A (en) * | 1983-08-25 | 1991-04-02 | Garlock Inc. | Unitized seal with unitizing joint remote from seal lip |
-
1988
- 1988-12-23 JP JP1988166542U patent/JPH073089Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0287175U (en) | 1990-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5004248A (en) | Unitized seal with unitizing joint remote from seal lip | |
| US4981303A (en) | Sealing device | |
| US5269536A (en) | Sealing device | |
| JPH06213331A (en) | Seal assembly | |
| US20050173869A1 (en) | Spark plug tube seal | |
| USRE35309E (en) | Sealing device | |
| JPS6143003Y2 (en) | ||
| JPH0740127Y2 (en) | Oil seal | |
| JPH073089Y2 (en) | Sealing device | |
| JPH0712762Y2 (en) | Sealing device | |
| JP2585626Y2 (en) | Sealing device | |
| JPH0614139Y2 (en) | Sealing device | |
| JP4773654B2 (en) | Injection pipe seal | |
| JP2518289Y2 (en) | Sealing device | |
| JPH0641020Y2 (en) | Unitized seal | |
| JPH10115375A (en) | Oil seal device | |
| JPH0138375Y2 (en) | ||
| JPH0749138Y2 (en) | Sealing device | |
| JP2594687Y2 (en) | Rolling bearing sealing device | |
| JP2002310305A (en) | Sealing device | |
| JPH0680062U (en) | Sealing device | |
| JP2000193097A (en) | Sealing device | |
| JPH0835563A (en) | Sealing device for reciprocating movement | |
| JPH0625672U (en) | Ball valve seal ring | |
| JP2003097716A (en) | Sealing device for axle |