JP2511886Y2 - Filter element - Google Patents
Filter elementInfo
- Publication number
- JP2511886Y2 JP2511886Y2 JP1991007007U JP700791U JP2511886Y2 JP 2511886 Y2 JP2511886 Y2 JP 2511886Y2 JP 1991007007 U JP1991007007 U JP 1991007007U JP 700791 U JP700791 U JP 700791U JP 2511886 Y2 JP2511886 Y2 JP 2511886Y2
- Authority
- JP
- Japan
- Prior art keywords
- connecting member
- filter
- filter element
- fixing member
- filter medium
- 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
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、燃料，オイル，ガス等
の濾過に使用されるフィルタエレメントに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter element used for filtering fuel, oil, gas and the like.
【０００２】[0002]
【従来の技術】フィルタエレメントは、ケース中に装填
され、エンジン等の所定箇所に装着されて、燃料やエン
ジンオイル等の濾過に供される。フィルタエレメントと
しては、従来、実開昭６１−２００１２２号公報に掲載
されるようなものがある。2. Description of the Related Art A filter element is mounted in a case, mounted at a predetermined location on an engine or the like, and used for filtering fuel, engine oil or the like. As a filter element, there is one conventionally disclosed in Japanese Utility Model Laid-Open No. 61-200222.
【０００３】これは、濾材を連続してジグザグに折り畳
んで作ったエレメント本体と、濾材の波形の端面開口を
塞ぐ多数の山形状閉鎖突起を有するリング状支持板とを
有し、両者を一体的に形成してなるものである。そし
て、リング状支持板のリングを濾過器のケースに接着す
ることにより濾過器内に固定するようになっている。This has an element body made by continuously folding a filter medium in a zigzag shape, and a ring-shaped support plate having a large number of mountain-shaped closing projections for closing the corrugated end face openings of the filter medium, and these are integrally formed. It is formed by. The ring of the ring-shaped support plate is fixed to the inside of the filter by adhering it to the case of the filter.
【０００４】[0004]
【考案が解決しようとする課題】しかしながら、上記従
来のフィルタエレメントは、エレメント本体のジグザグ
部とリング状支持板の多数の山形状閉鎖突起との間を接
着剤で接着するようなっているので、この接着剤が接着
部外に流れ出して濾材の表面に広く付着し、それだけ濾
過面積を狭めてしまうという欠点がある。However, in the above-mentioned conventional filter element, the zigzag portion of the element body and the large number of mountain-shaped closing projections of the ring-shaped support plate are bonded with an adhesive agent. This adhesive has a drawback that it flows out of the bonded portion and widely adheres to the surface of the filter medium, thereby narrowing the filtration area.
【０００５】また、エレメント本体の各溝が深いので、
接着剤を塗布し難く、組立が繁雑になるという欠点があ
る。さらに、フィルタエレメントを濾過器のケース内に
固定するための連結部材であるリングが固定部材と一体
化されているので、その製造がそれだけ繁雑になるとい
う欠点がある。Since each groove of the element body is deep,
There is a drawback that it is difficult to apply the adhesive and the assembly becomes complicated. Furthermore, since the ring, which is a connecting member for fixing the filter element in the case of the filter, is integrated with the fixing member, there is a drawback that the manufacturing thereof becomes complicated.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に、本考案は、ジグザグに折り畳まれた濾材と、該濾材
の周囲を固定する固定部材と、該固定部材を濾過器のケ
ースに連結する連結部材とを有し、前記固定部材は射出
成形樹脂により形成され、前記濾材の周縁部と前記連結
部材の基部とが前記射出成形樹脂中に埋没し、前記ケー
スの巻締め部中に挟持される前記連結部材のフランジ部
が前記固定部材の回りから突出したフィルタエレメント
の構成を採用している。In order to solve the above problems, the present invention provides a filter medium folded in a zigzag shape, a fixing member for fixing the periphery of the filter medium, and the fixing member connected to a filter case. and a connecting member possess that, the fixing member is formed by injection molding a resin, and the base of the connecting member and the periphery of the filter medium is buried in the injection-molded resin, the cable
The flange portion of the connecting member sandwiched in the winding tightening portion
A filter element projecting from around the fixing member
The configuration of is adopted.
【０００７】[0007]
【作用】固定部材は、溶融状態の射出成形樹脂により形
成され、その溶融時に濾材の周縁部と連結部材の基部と
を取り込むので、固定部材，濾材及び連結部材の三者を
接着剤を用いることなく一体化することができる。従っ
て、濾材の表面を接着剤で汚損することもないし、組立
工程も簡素化される。また、前記連結部材を固定部材と
別々に作ることができるので、それだけ連結部材を簡易
に製造することができる。The fixing member is made of a molten injection-molded resin, and the peripheral portion of the filter medium and the base of the connecting member are taken in when the fixing member is melted. Therefore, it is necessary to use an adhesive agent for the three members, the fixing member, the filter member and the connecting member. Can be integrated without. Therefore, the surface of the filter medium is not contaminated with the adhesive and the assembly process is simplified. Further, since the connecting member can be formed separately from the fixing member, the connecting member can be simply manufactured accordingly.
【０００８】[0008]
【実施例】以下、本考案に係るフィルタエレメントの実
施例を説明する。図１ないし図８で示されるように、こ
のフィルタエレメント１は、ジグザグに折り畳まれた濾
材２と、該濾材２の周囲を囲む固定部材３と、該固定部
材３を濾過器のケースに連結する連結部材４とを有して
いる。Embodiments of the filter element according to the present invention will be described below. As shown in FIGS. 1 to 8, the filter element 1 includes a filter medium 2 folded in zigzag, a fixing member 3 surrounding the filter medium 2, and the fixing member 3 connected to a filter case. And a connecting member 4.
【０００９】濾材２は、両側に向うに連れて徐々に幅が
狭くなるシートを、その長手方向に直角にジグザグに折
り畳み、図５のように少しずつ隙間を開けるようにして
組み立てられている。この組み立てられた状態にて濾材
２の輪郭は円柱形となっている。また、濾材２の上下に
は多数の溝２ａ，２ｂが形成されている。The filter medium 2 is assembled by folding a sheet, the width of which gradually narrows toward both sides, in a zigzag manner at right angles to its longitudinal direction, and gradually opening a gap as shown in FIG. In this assembled state, the contour of the filter medium 2 is cylindrical. Further, a large number of grooves 2a and 2b are formed above and below the filter medium 2.
【００１０】濾材２としては、例えば、厚さ０．６５m
m、坪量１８０ g/m2 、透気度４．８ｓｅｃのリンター
を主原料とする濾紙を用いることができる。固定部材３
は、射出成形樹脂により略円筒形に形成され、上記組み
立てられた濾材２の回りを取り囲んでいる。前記濾材２
の図５中１点鎖線で示される周縁部２ｃはこの射出成形
樹脂中に埋没している。また、両端部２ｄは射出成形樹
脂に付着している。射出成形樹脂は、例えば、６ナイロ
ンを用いることができる。The filter medium 2 has a thickness of 0.65 m, for example.
It is possible to use a filter paper mainly made of linter having m, basis weight of 180 g / m 2 , and air permeability of 4.8 sec. Fixed member 3
Is made of injection-molded resin in a substantially cylindrical shape and surrounds the assembled filter medium 2. The filter medium 2
The peripheral edge portion 2c indicated by the alternate long and short dash line in FIG. 5 is buried in this injection molding resin. Both ends 2d are attached to the injection molding resin. As the injection molding resin, for example, 6 nylon can be used.
【００１１】このように固定部材３中に固定された濾材
２は固定部材３の中心軸に沿って上下にジグザグに介在
することとなっている。また、固定部材３は、下部に欠
如部３ｂを有している。欠如部３ｂは、濾材２をできる
だけ露出させ、濾過面積を広げるために設けられてい
る。前記濾材２は、前記固定部材３の射出成形と同時に
前記固定部材３と一体化され、フィルタエレメント１と
される。The filter medium 2 fixed in the fixing member 3 as described above is arranged in a zigzag pattern vertically along the central axis of the fixing member 3. Further, the fixing member 3 has a missing portion 3b at the bottom. The lacking portion 3b is provided to expose the filter medium 2 as much as possible and widen the filtration area. The filter medium 2 is integrated with the fixing member 3 simultaneously with the injection molding of the fixing member 3 to form a filter element 1.
【００１２】前記連結部材４は、筒状の固定部材３の回
りに鍔状に突出するフランジ部４ａと、該フランジ部４
ａの内周縁に連設された筒状の基部４ｂとを有してい
る。筒状の基部４ｂは、筒状の固定部材３の上端部の肉
厚内に埋設されている。基部４ｂには一定ピッチで穴４
ｃが穿設され、これらの穴４ｃ中に溶融樹脂が入り込む
ことによって固定部材３に強固に連結されることとなっ
ている。なお、基部４ｂは固定部材３の肉厚内でなく、
外面に露出するようにして取り付けることもできる。The connecting member 4 has a flange portion 4a protruding like a collar around the cylindrical fixing member 3 and the flange portion 4a.
It has a cylindrical base portion 4b continuously provided on the inner peripheral edge of a. The tubular base portion 4b is embedded in the thickness of the upper end portion of the tubular fixing member 3. The base 4b has holes 4 at a constant pitch.
c is bored, and the molten resin enters into these holes 4c to firmly connect to the fixing member 3. The base portion 4b is not within the thickness of the fixing member 3,
It can also be attached so that it is exposed on the outer surface.
【００１３】ここで、該フィルタエレメント１の製法に
ついて説明する。まず、濾材２を図５のような状態で射
出成形用の金型中に装填する。また、同時に連結部材４
も金型中に装填する。この金型は、図示しないが、濾材
２の濾過面に溶融樹脂が付着しないように濾材２の溝２
ａ，２ｂ内に入り込んで濾材２を図５のごとく把持する
２つ割りの櫛歯状型部分を有している。また、この２つ
割りの櫛歯状型部分の間に挟持された濾材２の前記周縁
部２ｃの入り込むキャビティを該を櫛歯状型部分の回り
に形成する型部分を有している。前記欠如部３ｂに対応
する型部分も有している。さらに、連結部材４のフラン
ジ部４ａと係合して該連結部材４を金型中に支える型部
分も有している。Now, a method of manufacturing the filter element 1 will be described. First, the filter medium 2 is loaded into a mold for injection molding in the state as shown in FIG. At the same time, the connecting member 4
Also load into the mold. Although this mold is not shown, the groove 2 of the filter medium 2 is provided so that molten resin does not adhere to the filter surface of the filter medium 2.
It has a comb-teeth-shaped portion which is split in two and which holds in the filter medium 2 as shown in FIG. In addition, it has a mold portion which forms a cavity around the comb tooth-shaped mold portion into which the peripheral edge portion 2c of the filter medium 2 sandwiched between the two comb tooth-shaped mold portions is formed. It also has a mold portion corresponding to the lacking portion 3b. Further, it also has a mold portion that engages with the flange portion 4a of the connecting member 4 and supports the connecting member 4 in the mold.
【００１４】次に、濾材２を挟持するように型締めし、
溶融樹脂を金型中に射出する。これにより、溶融樹脂は
固定部材３に対応するキャビティ中に充満し、固定部材
３を形成すると共に濾材２の周縁部２ｃに付着する。こ
れにより、濾材２は、固定部材３と一体化されることと
なる。また、溶融樹脂は連結部材４の基部４ｂを取り巻
いて流れ、該基部４ｂを固定部材３中に取り込む。Next, the mold is clamped so as to sandwich the filter medium 2,
The molten resin is injected into the mold. As a result, the molten resin fills the cavity corresponding to the fixing member 3, forms the fixing member 3, and adheres to the peripheral portion 2c of the filter medium 2. As a result, the filter medium 2 is integrated with the fixing member 3. Further, the molten resin flows around the base portion 4 b of the connecting member 4 and takes the base portion 4 b into the fixing member 3.
【００１５】この後、型開きし、成形されたフィルタエ
レメント１を得る。上記フィルタエレメント１は、例え
ば、図８のように燃料フィルタのケース５中に収納さ
れ、ガソリン等の燃料の濾過に供される。ケース５は、
ボデー６とキャップ７とに別れている。ボデー６は、フ
ィルタエレメント１を収容する空室を有している。フィ
ルタエレメント１は、そのフランジ部４ａがボデー６の
上縁に乗ることによりボデー６中の所定箇所に位置決め
され、その上からキャップ７が被せられる。そして、ボ
デー６の口縁とキャップ７の周縁との巻き締めによって
巻締め部８が形成され、この巻締めと同時にフランジ部
４ａが該巻締め部８中に挟持されることとなる。After that, the mold is opened to obtain the molded filter element 1. The filter element 1 is housed in a case 5 of a fuel filter, for example, as shown in FIG. 8, and is used for filtering fuel such as gasoline. Case 5 is
It is divided into a body 6 and a cap 7. The body 6 has an empty chamber that houses the filter element 1. The filter element 1 is positioned at a predetermined position in the body 6 by the flange portion 4a of the filter element 1 riding on the upper edge of the body 6, and the cap 7 is put on the filter element 1. Then, the winding tightening portion 8 is formed by winding and tightening the rim of the body 6 and the peripheral edge of the cap 7, and the flange portion 4a is sandwiched in the winding and tightening portion 8 simultaneously with this winding and tightening.
【００１６】これにより、フィルタエレメント１は燃料
フィルタのケース５と一体化されることとなる。なお、
キャップ７の中央部には燃料の流入パイプ９が取り付け
られ、ボデー６の下部には燃料の流出パイプ１０が取り
付けられている。次に、上記フィルタエレメント１の作
用を燃料フィルタの作用と共に説明する。As a result, the filter element 1 is integrated with the case 5 of the fuel filter. In addition,
A fuel inflow pipe 9 is attached to the center of the cap 7, and a fuel outflow pipe 10 is attached to the lower portion of the body 6. Next, the operation of the filter element 1 will be described together with the operation of the fuel filter.
【００１７】燃料は流入パイプ９からケース５中に流入
し、フィルタエレメント１のジグザグに折れまがった濾
材２の上向きの溝２ａ内に入り込む。そして、ダスト等
の異物を除去されつつ濾材２を通過し、下向きの溝２ｂ
内に入る。浄化された燃料はボデー６の底に至り、そこ
から流出パイプ１０を通して燃料フィルタの外に取り出
され、気化器に送られる。The fuel flows into the case 5 through the inflow pipe 9 and enters the upward groove 2a of the filter element 2 which is zigzag-folded in the filter element 1. Then, the foreign matter such as dust is removed while passing through the filter medium 2 and the downward groove 2b.
Get in. The purified fuel reaches the bottom of the body 6, from where it is taken out of the fuel filter through the outflow pipe 10 and sent to the carburetor.
【００１８】なお、フィルタエレメント１の連結部材４
は、図９ないし図１６で夫々示されるように構成するこ
ともできる。図９ないし図１１で示される連結部材１１
における基部１１ｂには突出片１１ｃが連設されてい
る。この突出片１１ｃを固定部材３の樹脂中に埋設する
ことにより、連結部材４をより強固にフィルタエレメン
ト１に固定することができる。図１２の連結部材１２に
おける基部１２ｂには、前記穴４ｃに代えて蟻溝状の切
欠１２ｃが設けられている。図１３の連結部材１３にお
ける基部１３ｂには、前記穴４ｃに代えて鉤状の切欠１
３ｃが設けられている。図１４の連結部材１４における
基部１４ｂには、茸様に切り欠かれた切欠１４ｃが設け
られている。図１５の連結部材１５における基部１５ｂ
には、長方形の穴１５ｃが設けられている。図１６の連
結部材１６における基部１６ｂには、円形穴が基部１６
ｂの端縁と交わるようにして出来る切欠１６ｃが設けら
れている。The connecting member 4 of the filter element 1
Can also be configured as shown in FIGS. 9-16, respectively. The connecting member 11 shown in FIGS. 9 to 11.
A projecting piece 11c is continuously provided on the base portion 11b. By embedding the protruding piece 11c in the resin of the fixing member 3, the connecting member 4 can be more firmly fixed to the filter element 1. The base portion 12b of the connecting member 12 of FIG. 12 is provided with a dovetail-shaped notch 12c instead of the hole 4c. In the base portion 13b of the connecting member 13 of FIG. 13, a hook-shaped notch 1 is used instead of the hole 4c.
3c is provided. The base portion 14b of the connecting member 14 of FIG. 14 is provided with a notch 14c that is cut like a mushroom. The base portion 15b of the connecting member 15 of FIG.
Has a rectangular hole 15c. A circular hole is formed in the base 16b of the connecting member 16 of FIG.
A cutout 16c is provided so as to intersect with the edge of b.
【００１９】また、連結部材は、図１７及び図１８で夫
々示されるような位置に取り付けることができる。図１
７のフィルタエレメント１７における連結部材１８は固
定部材１９の中央部に設けられ、図１８のフィルタエレ
メント２０における連結部材２１は固定部材２２の下部
に設けられている。Further, the connecting member can be attached at the positions shown in FIGS. 17 and 18, respectively. FIG.
The connecting member 18 of the filter element 17 of No. 7 is provided in the central portion of the fixing member 19, and the connecting member 21 of the filter element 20 of FIG. 18 is provided below the fixing member 22.
【００２０】また、フィルタエレメント２３における固
定部材２４は、図１９のように前記欠如部３ｂを設けな
いようにすることもできる。前記フィルタエレメント
は、燃料の濾過に用いるものとして説明したが、オイ
ル、空気等の他の流体にも使用することができる。Further, the fixing member 24 in the filter element 23 may be configured such that the lacking portion 3b is not provided as shown in FIG. Although the filter element has been described as used for filtering fuel, it can be used for other fluids such as oil and air.
【００２１】[0021]
【考案の効果】本考案は、以上のように、固定部材を溶
融状態の射出成形樹脂により形成し、その溶融時に濾材
の周縁部と連結部材の基部とを取り込むので、固定部
材，濾材及び連結部材の三者を接着剤を用いることなく
一体化することができる。従って、濾材の表面を接着剤
で汚損することもないし、組立工程も簡素化できる。ま
た、連結部材を固定部材と別々に作ることができるの
で、それだけ連結部材を簡易に製造することができる。
また、連結部材は固定部材と別体であり、連結部材のフ
ランジ部が固定部材の回りから突出し、該フランジ部が
濾過器のケースの巻締め部中に挟持されるので、巻き締
めに際しフランジ部に大きな力が加わったとしても固定
部材や濾材に亀裂等が発生し難く、従って燃料、オイル
等の漏れや濾過不良を防止することができる。 As described above, according to the present invention, the fixing member is formed of the injection-molded resin in a molten state, and the peripheral portion of the filter medium and the base of the connecting member are taken in at the time of melting, so that the fixing member, the filter medium and the connecting member are connected. The three members can be integrated without using an adhesive. Therefore, the surface of the filter medium is not contaminated with the adhesive, and the assembly process can be simplified. Moreover, since the connecting member can be formed separately from the fixing member, the connecting member can be simply manufactured accordingly.
Also, the connecting member is separate from the fixing member, and
The flange portion projects around the fixing member, and the flange portion
Since it is sandwiched in the winding part of the filter case,
Even if a large force is applied to the flange part, it will be fixed
Cracks are less likely to occur in the members and filter media, so fuel and oil
It is possible to prevent such leakage and defective filtration.
【図１】本考案に係るフィルタエレメントを示す、第２
図中Ｉ−Ｉ線断面図である。FIG. 1 shows a second filter element according to the present invention.
It is the II sectional view taken on the line in the figure.
【図２】本考案に係るフィルタエレメントの平面図であ
る。FIG. 2 is a plan view of a filter element according to the present invention.
【図３】本考案に係るフィルタエレメントの立面図であ
る。FIG. 3 is an elevational view of a filter element according to the present invention.
【図４】本考案に係るフィルタエレメントの斜視図であ
る。FIG. 4 is a perspective view of a filter element according to the present invention.
【図５】本考案に係るフィルタエレメントに使用される
濾材の斜視図である。FIG. 5 is a perspective view of a filter medium used in the filter element according to the present invention.
【図６】本考案に係るフィルタエレメントに使用される
連結部材の平面図である。FIG. 6 is a plan view of a connecting member used in the filter element according to the present invention.
【図７】本考案に係るフィルタエレメントに使用される
連結部材の正面図である。FIG. 7 is a front view of a connecting member used in the filter element according to the present invention.
【図８】本考案に係るフィルタエレメントを使用した燃
料フィルタの垂直断面である。FIG. 8 is a vertical cross-section of a fuel filter using the filter element according to the present invention.
【図９】連結部材の他の実施例の平面図である。FIG. 9 is a plan view of another embodiment of the connecting member.
【図１０】図９中IX−IX線断面図である。10 is a sectional view taken along line IX-IX in FIG.
【図１１】図９の連結部材の正面図である。11 is a front view of the connecting member of FIG. 9. FIG.
【図１２】連結部材の他の実施例の正面図である。FIG. 12 is a front view of another embodiment of the connecting member.
【図１３】連結部材の他の実施例の正面図である。FIG. 13 is a front view of another embodiment of the connecting member.
【図１４】連結部材の他の実施例の正面図である。FIG. 14 is a front view of another embodiment of the connecting member.
【図１５】連結部材の他の実施例の正面図である。FIG. 15 is a front view of another embodiment of the connecting member.
【図１６】連結部材の他の実施例の正面図である。FIG. 16 is a front view of another embodiment of the connecting member.
【図１７】フィルタエレメントの他の実施例の立面図で
ある。FIG. 17 is an elevational view of another embodiment of a filter element.
【図１８】フィルタエレメントの他の実施例の立面図で
ある。FIG. 18 is an elevational view of another embodiment of a filter element.
【図１９】フィルタエレメントの他の実施例の立面図で
ある。FIG. 19 is an elevational view of another embodiment of a filter element.
１ フィルタエレメント ２ 濾材 ２ａ 上向きの溝 ２ｂ 下向きの溝 ２ｃ 周縁部 ２ｄ 両端部 ３ 固定部材 ４ 連結部材 ４ａ フランジ部 ４ｂ 基部 ５ ケース ８ 巻締め部 1 Filter Element 2 Filter Material 2a Upward Groove 2b Downward Groove 2c Peripheral Edge 2d Both Ends 3 Fixing Member 4 Connecting Member 4a Flange 4b Base 5 Case 8 Winding Fastening
Claims (1)
の周囲を固定する固定部材と、該固定部材を濾過器のケ
ースに連結する連結部材とを有し、前記固定部材は射出
成形樹脂により形成され、前記濾材の周縁部と前記連結
部材の基部とが前記射出成形樹脂中に埋没し、前記ケー
スの巻締め部中に挟持される前記連結部材のフランジ部
が前記固定部材の回りから突出していることを特徴とす
るフィルタエレメント。1. A and filter medium folded in a zigzag, a fixing member for fixing the periphery of the filtrate material, have a connecting member for connecting the securing member to the filter case, the fixing member by injection molding a resin Formed, the peripheral portion of the filter medium and the base portion of the connecting member are embedded in the injection molding resin,
The flange portion of the connecting member sandwiched in the winding tightening portion
A filter element protruding from around the fixing member .
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991007007U JP2511886Y2 (en) | 1991-02-19 | 1991-02-19 | Filter element |
| GB9203456A GB2252922B (en) | 1991-02-19 | 1992-02-18 | Filter element |
| GB9418356A GB2279582B (en) | 1991-02-19 | 1992-02-18 | Method for producing filter element |
| US07/837,322 US5273560A (en) | 1991-02-19 | 1992-02-18 | Filter element and method for producing the same |
| CA002061454A CA2061454C (en) | 1991-02-19 | 1992-02-18 | Filter element and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991007007U JP2511886Y2 (en) | 1991-02-19 | 1991-02-19 | Filter element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04106606U JPH04106606U (en) | 1992-09-14 |
| JP2511886Y2 true JP2511886Y2 (en) | 1996-09-25 |
Family
ID=31899043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991007007U Expired - Fee Related JP2511886Y2 (en) | 1991-02-19 | 1991-02-19 | Filter element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511886Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002066241A (en) * | 2000-08-30 | 2002-03-05 | Shigematsu Works Co Ltd | Circular filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02207806A (en) * | 1989-02-06 | 1990-08-17 | Toyo Roki Seizo Kk | Filter element and its production |
-
1991
- 1991-02-19 JP JP1991007007U patent/JP2511886Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04106606U (en) | 1992-09-14 |
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