JPH01171606A - Filter element - Google Patents
Filter elementInfo
- Publication number
- JPH01171606A JPH01171606A JP62329474A JP32947487A JPH01171606A JP H01171606 A JPH01171606 A JP H01171606A JP 62329474 A JP62329474 A JP 62329474A JP 32947487 A JP32947487 A JP 32947487A JP H01171606 A JPH01171606 A JP H01171606A
- Authority
- JP
- Japan
- Prior art keywords
- end plate
- cylindrical
- synthetic resin
- central
- metallic ring
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- -1 polypropylene, tetrafluoroethylene Polymers 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract description 3
- 235000007516 Chrysanthemum Nutrition 0.000 abstract description 2
- 244000189548 Chrysanthemum x morifolium Species 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 2
- 238000011109 contamination Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明はフィルタエレメント主として合成樹脂製のフ
ィルタエレメントに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a filter element mainly made of synthetic resin.
（従来の技術）
種々の医薬品や電子部品の生産に用いられる薬液あるい
は食品工業に用いられる超純水などを浄化するためのフ
ィルタエレメントは、耐熱性と耐薬品を備え、かつサブ
ミクロンオーダの濾過精度を持つことが望まれ、第４図
に示すようなフィルタエレメントｅが用いられている。(Prior art) Filter elements for purifying chemical solutions used in the production of various pharmaceuticals and electronic components, or ultrapure water used in the food industry, have heat resistance and chemical resistance, and are capable of filtering on the submicron order. Accuracy is desired, and a filter element e as shown in FIG. 4 is used.
すなわち、すべての部材がポリエステルやポリプロピレ
ンまたは四弗化エチレンなどの耐薬品性と耐熱性を有す
る合成樹脂で作られており、多孔質の薄膜の両面または
片面に網布を添設してひだ付は加工した濾材１が、多孔
の内筒２および外筒３（外筒はない場合もある）の間に
菊花形部状に配設され、その上端には盲状端板４が被せ
られると共に下端には処理液流出用の中心通孔６を有し
、中央筒部５ａと円板部５ｂからなる筒状端板５が施さ
れ、それらの突き合せ部は溶着されて一体化されている
。In other words, all components are made of synthetic resins that have chemical and heat resistance such as polyester, polypropylene, or tetrafluoroethylene, and are pleated by attaching mesh cloth to both or one side of the porous thin film. A processed filter medium 1 is arranged in a chrysanthemum shape between a porous inner tube 2 and an outer tube 3 (in some cases there is no outer tube), and a blind end plate 4 is placed on the upper end of the filter medium 1. The lower end has a central through hole 6 for outflow of the processing liquid, and is provided with a cylindrical end plate 5 consisting of a central cylindrical portion 5a and a disc portion 5b, the abutting portions of which are welded and integrated. .
そして、中央筒部５１の外周には複数条の環状みぞ７が
設けられ、それらの環状みぞ７にはシール用の０リング
８が嵌合される一方、中心通孔６の内側には、不銹鋼製
の補強金具リング９が取付けられ、筒状端板５の中央筒
部５ａを図示のように処理液出入アダプタＡのセット孔
に装着した際の０リング８の圧縮変形ならびに蒸気滅菌
、熱水滅菌を行う場合または処理液の粘度を下げるべく
液温を高くした際の温度などの影響による筒部５ａのゆ
がみに基づ（ＯＩ）ング部からの液洩れを防ぐようにな
されている。A plurality of annular grooves 7 are provided on the outer periphery of the central cylindrical portion 51, and O-rings 8 for sealing are fitted into these annular grooves 7. The O-ring 8 is compressed and deformed when the center cylinder part 5a of the cylindrical end plate 5 is attached to the set hole of the processing liquid inlet/output adapter A as shown in the figure, as well as steam sterilization and hot water. This is to prevent liquid leakage from the (OI) ring part due to distortion of the cylindrical part 5a due to the influence of temperature when performing sterilization or when increasing the liquid temperature to lower the viscosity of the processing liquid.
（発明が解決しようとする問題点）
ところで、フィルタエレメントの上記従来のボス状端板
では、補強用の金属リングが中心通孔の内側に全く露出
した状態に取付けられているため、中心通孔を通過する
処理液と接することになり、ｐ過ずみの処理液中に金属
が溶出したり、錆を生じたりし、特に前記のように液温
を高めて処理する場合に促進され、処理液が汚染されて
使用できなくなってしまう。(Problems to be Solved by the Invention) By the way, in the above-mentioned conventional boss-shaped end plate of the filter element, the reinforcing metal ring is installed in a state where it is completely exposed inside the center through hole. metals may be eluted or rust may occur in the processing solution at p-temperature, which is particularly accelerated when the solution temperature is raised as mentioned above. becomes contaminated and becomes unusable.
この発明は下端の筒状端板が所定の強度を維持し、長期
に使用しても処理液を汚染することのないフィルタエレ
メントを提供することを目的とする。An object of the present invention is to provide a filter element in which the cylindrical end plate at the lower end maintains a predetermined strength and does not contaminate the processing liquid even after long-term use.
（問題点を解決するための手段）
上記目的のもとにこの発明は、耐薬品性と耐熱性を有す
る合成樹脂から々す、菊花形筒状の部材の上端には盲状
の端板を被着すると共に下端には円板部と中央筒部から
なる筒状端板を装着するフィルタエレメントとして、筒
状端板の中央筒部内に補強用の金属リングを上記合成樹
脂で包囲して埋め込み一体成形したことを特徴としてい
る。(Means for Solving the Problems) Based on the above object, the present invention includes a blind end plate at the upper end of a chrysanthemum-shaped cylindrical member made of synthetic resin having chemical resistance and heat resistance. As a filter element, a cylindrical end plate consisting of a disk part and a central cylindrical part is attached to the bottom end of the cylindrical end plate, and a reinforcing metal ring is surrounded by the synthetic resin and embedded in the central cylindrical part of the cylindrical end plate. It is characterized by being integrally molded.
（実施例）
第１図はこの発明に係るフィルタエレメントの一例を示
すが、前記のものと同じ部材には同一の符号を用いて説
明する。(Example) FIG. 1 shows an example of a filter element according to the present invention, and the same members as those described above will be described using the same reference numerals.
すべての部材はポリエステル、ポリプロピレンまたは四
弗化エチレンなどの耐薬品性と耐熱性を備えた合成樹脂
からなるもので、多孔質の薄膜の両面または片面に網布
を添設してひだ付は加工して菊花形筒状に形成した部材
１の内側および外側に多孔の内筒２と外筒３が嵌挿され
（しかし、外筒はないこともある）、その上端には盲状
端板４が被嵌されると共に下端には処理液流出用の中心
通孔６を有し、中央筒部５ａと円板部５ｂからなる筒状
端板５が施され、それらの突き合せ部は溶着されて一体
化されておシ、中央筒部５ａの外周に設けられた複数条
の環状みぞ７にはＯリング８が嵌合されている。All parts are made of chemical- and heat-resistant synthetic resins such as polyester, polypropylene, or tetrafluoroethylene, and pleats are made by attaching mesh fabric to both or one side of the porous thin film. A porous inner cylinder 2 and an outer cylinder 3 are fitted into the inside and outside of the member 1 formed into a chrysanthemum-shaped cylinder (however, there may be no external cylinder), and a blind end plate 4 is provided at the upper end. A cylindrical end plate 5 having a central through hole 6 for outflow of the processing liquid at the lower end and consisting of a central cylindrical portion 5a and a disc portion 5b is fitted, and the abutting portions thereof are welded. An O-ring 8 is fitted into a plurality of annular grooves 7 provided on the outer periphery of the central cylindrical portion 5a.
そして、筒状端板５の中央筒部５ａの肉厚内部にはステ
ンレス鋼やアルミニウムなどの補強用の金属リング９が
周囲を合成樹脂で包囲されて同心的に埋め込まれている
。A reinforcing metal ring 9 made of stainless steel, aluminum, or the like is concentrically embedded in the thick interior of the central cylindrical portion 5a of the cylindrical end plate 5, surrounded by a synthetic resin.
しかして、上記筒状端板５は次のようＫして作られる。The cylindrical end plate 5 is manufactured as follows.
す表わち、第２図イのように、円板部５ｂ形成用の凹所
１１と中央部に環突条１２を有する下型り、の環突条１
２上に金属りング９をおき、その下型り、の上に、中央
通孔６形成用のファ２１とその周りに中央筒部形成用の
凹所２２を備えた上型り、を突き合せてセットし、上下
の型Ｄｉ ｖ烏で形成される空所に上記合成樹脂の溶融
樹脂を注入充填し、これを冷却することによシ、同図口
のように中央筒部５ａ内に補強用リング９を埋め込み一
体成形し、かつ上端部に環状空所１０を備えた中間端板
５１を得る。That is, as shown in FIG. 2A, the ring protrusion 1 of the lower mold has a recess 11 for forming the disc portion 5b and an annular protrusion 12 at the center.
A metal ring 9 is placed on top of the metal ring 9, and on top of the lower mold, an upper mold having a fa 21 for forming the central through hole 6 and a recess 22 for forming the central cylindrical portion around it is butted. The hollow space formed by the upper and lower molds is injected and filled with the molten synthetic resin, and by cooling it, reinforcement is formed in the central cylindrical part 5a as shown in the figure. An intermediate end plate 51 is obtained in which the ring 9 is embedded and integrally molded, and the annular cavity 10 is provided at the upper end.
次いで、この中間端板５′を反転させ、同図ノ１のよう
に中心コア２３と段付き凹所２４を設は九台型Ｄ３に嵌
合し、その上にｉ！ Ｗ Ｄ４を施して、補強用リング
９上の環状空所１０内に上記と同じ溶融樹脂を注入充填
することによ）、同図二のように金属リング９の全周を
合成樹脂で包囲した筒状端板５が得られる。Next, this intermediate end plate 5' is reversed, and the central core 23 and stepped recess 24 are fitted into the nine-piece mold D3 as shown in FIG. 1, and the i! By applying W D4 and injecting and filling the same molten resin as above into the annular cavity 10 on the reinforcing ring 9), the entire circumference of the metal ring 9 was surrounded with the synthetic resin as shown in Figure 2. A cylindrical end plate 5 is obtained.
なお、金属リング９のインサート成形に嶺たシ、第３図
イのように金属リング９の上端部に円周方向に間隔をお
いて、切欠凹所９ａまたは通孔９ｂを設けたものを用い
れば、同図口のように中央筒部５ａの中に金属リング９
を貫通した合成樹脂によるつなぎの部分ができ、中央筒
部５ａと金属りング９との結合がより強固になる。そし
て、温度変化に伴う樹脂本体と金属リングとの膨張差に
よる不具合を解消することができる。In addition, when insert molding the metal ring 9, as shown in FIG. For example, a metal ring 9 is placed inside the central cylinder portion 5a as shown in the opening in the figure.
A connecting portion is formed by the synthetic resin that penetrates through the center cylinder portion 5a, and the connection between the central cylinder portion 5a and the metal ring 9 becomes stronger. In addition, it is possible to eliminate problems caused by the difference in expansion between the resin body and the metal ring due to temperature changes.
（発明の効果）
以上のようにこの発明では、合成樹脂のフィルタエレメ
ントとして下端の筒状端板の中央筒部内に補強用の金属
リングを埋め込み、かつその全周を合成樹脂で包囲して
一体成形したので、中央筒部と金属リングとの結合を強
固にすることができ、しかも、これまでのように処理液
が金属リングに接触する恐れなく、金属が溶出しだり、
錆を生じたりして処理液を汚染するととのないフィルタ
エレメントを安価に提供することができる。(Effects of the Invention) As described above, in this invention, as a filter element made of synthetic resin, a reinforcing metal ring is embedded in the central cylindrical part of the cylindrical end plate at the lower end, and the entire circumference is surrounded by synthetic resin to form an integral part. Because it is molded, it is possible to strengthen the bond between the central cylindrical part and the metal ring, and there is no fear that the treatment liquid will come into contact with the metal ring as in the past, and the metal will not be eluted.
A filter element that does not cause rust and contaminate the processing liquid can be provided at a low cost.
第１図はこの発明に係るフィルタエレメントの断面図。
第２図イは筒状端板の一次成形時の状態説明図。
同 図口は一次成形された筒状°端板の断面図。
同 図ハは二次成形時の状態説明図。
同 図二は二次成形された筒状端板の断面図。
第３図イは金属リングの変更例を示す斜視図。
同 図口はその金属リングを用いて成形された中央筒部
の一部の切断斜視図。
第４図は従来の筒状端板を用いたフィルタエレメントの
断面図。
図中
１・・・ 炉 材 ２．３−・・多孔の内、
外筒４・・・上端板 ５・・・筒状端板FIG. 1 is a sectional view of a filter element according to the present invention. FIG. 2A is an explanatory diagram of the state of the cylindrical end plate during primary forming. The figure's opening is a cross-sectional view of a primarily formed cylindrical end plate. Figure C is an explanatory diagram of the state during secondary molding. Figure 2 is a cross-sectional view of a secondary formed cylindrical end plate. FIG. 3A is a perspective view showing a modified example of the metal ring. The figure's opening is a partially cutaway perspective view of the central cylindrical portion formed using the metal ring. FIG. 4 is a sectional view of a filter element using a conventional cylindrical end plate. In the diagram, 1... Furnace material 2.3-... Among the pores,
Outer cylinder 4... Upper end plate 5... Cylindrical end plate
Claims (1)
状の濾材の上端には盲状端板を被着すると共に下端には
円板部と中央筒部からなる筒状端板を装着してなるフィ
ルタエレメントにおいて、上記筒状端板の中央筒部内に
補強用の金属リングを上記合成樹脂で包囲して埋め込み
一体成形したことを特徴とするフィルタエレメント。Made of chemical- and heat-resistant synthetic resin, the chrysanthemum-shaped cylindrical filter medium has a blind end plate attached to the top end, and a cylindrical end plate consisting of a disk part and a central cylindrical part to the bottom end. 1. A filter element comprising: a reinforcing metal ring surrounded by the synthetic resin and embedded in the central cylindrical portion of the cylindrical end plate and integrally molded therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62329474A JP2678907B2 (en) | 1987-12-28 | 1987-12-28 | Filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62329474A JP2678907B2 (en) | 1987-12-28 | 1987-12-28 | Filter element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01171606A true JPH01171606A (en) | 1989-07-06 |
| JP2678907B2 JP2678907B2 (en) | 1997-11-19 |
Family
ID=18221782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62329474A Expired - Fee Related JP2678907B2 (en) | 1987-12-28 | 1987-12-28 | Filter element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2678907B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0445950U (en) * | 1990-08-21 | 1992-04-20 | ||
| JP2010540235A (en) * | 2007-10-02 | 2010-12-24 | マン ウント フンメル ゲゼルシャフト ミット ベシュレンクテル ハフツング | Filter element with V-seal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729850U (en) * | 1980-07-28 | 1982-02-17 | ||
| JPS60164093A (en) * | 1984-02-03 | 1985-08-27 | 富士化工株式会社 | Joint and manufacture thereof |
-
1987
- 1987-12-28 JP JP62329474A patent/JP2678907B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729850U (en) * | 1980-07-28 | 1982-02-17 | ||
| JPS60164093A (en) * | 1984-02-03 | 1985-08-27 | 富士化工株式会社 | Joint and manufacture thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0445950U (en) * | 1990-08-21 | 1992-04-20 | ||
| JP2010540235A (en) * | 2007-10-02 | 2010-12-24 | マン ウント フンメル ゲゼルシャフト ミット ベシュレンクテル ハフツング | Filter element with V-seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2678907B2 (en) | 1997-11-19 |
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Legal Events
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|---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
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| LAPS | Cancellation because of no payment of annual fees |