JPH05309218A - Cylindrical filter - Google Patents
Cylindrical filterInfo
- Publication number
- JPH05309218A JPH05309218A JP14211492A JP14211492A JPH05309218A JP H05309218 A JPH05309218 A JP H05309218A JP 14211492 A JP14211492 A JP 14211492A JP 14211492 A JP14211492 A JP 14211492A JP H05309218 A JPH05309218 A JP H05309218A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- cylindrical
- outer layer
- activated carbon
- fibrous activated
- 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.)
- Pending
Links
Landscapes
- Filtering Materials (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、繊維状活性炭を基材と
して、これの内外層にポリエステル製の不織布や網状、
多層巻あるいは成形ポリプロピレン製繊維等の濾過材を
配設し、円筒状の多層濾過構造のフィルタとすることに
より、飲料水、プ−ル用水等の家庭用および工業用の濾
過材として効果的に使用しうるようにした円筒状フィル
タに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a fibrous activated carbon as a base material, and inner and outer layers of the fibrous activated carbon as a non-woven fabric or net-like
By disposing a filter material such as a multi-layer wound or molded polypropylene fiber to form a filter having a cylindrical multi-layer filtration structure, it can be effectively used as a filter material for household and industrial purposes such as drinking water and pool water. A cylindrical filter adapted for use.
【０００２】[0002]
【従来の技術】従来の飲料水、プ−ル用水等の家庭用お
よび工業用のフィルタの中で、繊維状シ−トよりなる円
筒状フィルタあるいはセラミック、合成樹脂等で成形し
た多孔性円筒状フィルタは、処理水中の懸濁物は除去で
きても、色、臭味等の有機成分あるいは残留塩素を除去
できないために、別途活性炭を充填した濾過装置を併用
することが必要で、コストが高く、余分のスペ−スが必
要であった。また、粒状活性炭を接着剤等を用いて円筒
状に成形したフィルタは、被処理水の通過する部分の厚
みが比較的薄いため、比較的低流速で濾過することが必
要で大型となり、また、接着剤等で固めた活性炭が剥離
して処理水を汚損する等の問題があった。さらに、活性
炭繊維のシ−ト、熱可塑性合成繊維のシ−トあるいはこ
れらを混合したシ−ト等を重ね合わせて加熱処理し該合
成繊維を熱融着して一体成形したフィルタは、活性炭の
みの単一濾過機能しか有しないため、処理水中の鉄酸化
物や、水源池等において処理水に投入された薬品等を十
分除去することは困難であった。2. Description of the Related Art Among conventional household and industrial filters such as drinking water and pool water, a cylindrical filter made of a fibrous sheet or a porous cylindrical member made of ceramic, synthetic resin or the like. The filter can remove suspended matter in the treated water but cannot remove organic components such as color and odor or residual chlorine.Therefore, it is necessary to use a filter device separately filled with activated carbon, resulting in high cost. , Extra space was needed. Further, the filter in which the granular activated carbon is formed into a cylindrical shape by using an adhesive or the like has a relatively small thickness of a portion through which the water to be treated passes, and therefore, it is necessary to filter at a relatively low flow rate and becomes large in size. There was a problem that the activated carbon solidified with an adhesive or the like peeled off to contaminate the treated water. Further, the activated carbon fiber sheet, the thermoplastic synthetic fiber sheet, or the sheet obtained by mixing these sheets are superposed and heat-treated, and the synthetic fiber is heat-fused to integrally mold the filter. Since it has only a single filtration function, it was difficult to sufficiently remove the iron oxide in the treated water and the chemicals etc. added to the treated water in the water source pond.
【０００３】[0003]
【発明が解決しようとする課題】そこで、本発明は、上
述した従来の欠点を除去するためなされたものであっ
て、繊維状活性炭を基材として、これの内外層にポリエ
ステル製の不織布、網状、多層巻あるいは成形ポリプロ
ピレン製繊維等の濾過材を配設し、円筒状の多層濾過構
造のフィルタとすることにより、処理水中の懸濁物、
色、臭味等の有機成分、残留塩素、鉄酸化物、投入薬品
類等を容易に濾過できて、保守が簡単で、取扱い容易な
円筒状フィルタを提供することを目的とする。Therefore, the present invention has been made in order to eliminate the above-mentioned conventional drawbacks, in which fibrous activated carbon is used as a base material, and the inner and outer layers of the fibrous activated carbon are made of a polyester non-woven fabric or a reticulated mesh. By arranging a filter material such as a multi-layer wound or molded polypropylene fiber to form a filter having a cylindrical multi-layer filtration structure, a suspension in treated water,
It is an object of the present invention to provide a cylindrical filter that can easily filter organic components such as color and odor, residual chlorine, iron oxides, added chemicals, etc., is easy to maintain, and is easy to handle.
【０００４】[0004]
【課題を解決するための手段】そこで、本発明は、第一
に、不織布よりなる円筒状の内層部フィルタと、該内層
部フィルタを囲繞すべく繊維状活性炭を巻回して円筒状
にした第一外層部フィルタと、該第一外層部フィルタを
囲繞すべく不織布よりなる円筒状の第二外層部フイルタ
とよりなることにより、第二に、網状ポリプロピレン製
繊維よりなる円筒状の内層部フィルタと、該内層部フィ
ルタを囲繞すべく繊維状活性炭を巻回して円筒状にした
第一外層部フィルタと、該第一外層部フィルタを囲繞す
べくポリプロピレン製繊維を多層状に巻回して円筒状に
した第二外層部フィルタとよりなることにより、第三
に、不織布よりなる円筒状の内層部フィルタと、該内層
部フィルタを囲繞すべく繊維状活性炭を巻回して円筒状
にした第一外層部フィルタと、該第一外層部フィルタを
囲繞すべくポリプロピレン製繊維を成形して円筒状にし
た第二外層部フィルタとよりなることにより、第四に、
内層部フィルタと、第一外層部フィルタと、第二外層部
フィルタとよりなる請求項１記載の円筒状フィルタと、
該第二外層部上にポリプロピレン製繊維を多層状に巻回
した第三外層部フィルタとよりなることにより、上記目
的を達成しようとするものである。Therefore, in the present invention, firstly, a cylindrical inner layer filter made of a non-woven fabric, and a fibrous activated carbon wound to surround the inner layer filter are formed into a cylindrical shape. One outer layer filter and a second cylindrical outer layer filter made of non-woven fabric to surround the first outer layer filter, and secondly, a cylindrical inner layer filter made of reticulated polypropylene fibers and , A first outer layer filter which is formed by winding a fibrous activated carbon into a cylindrical shape so as to surround the inner layer filter, and a polypropylene fiber which is wound in a multilayer shape so as to surround the first outer layer filter to form a cylindrical shape. Thirdly, by comprising the second outer layer filter, a cylindrical inner layer filter made of a non-woven fabric, and a first outer layer portion formed by winding fibrous activated carbon to surround the inner layer filter into a cylindrical shape. F Filter and, by becoming more the second outer layer filters into a cylindrical shape by molding a polypropylene fiber in order to surround the said first outer layer filter, the fourth,
The cylindrical filter according to claim 1, comprising an inner layer filter, a first outer layer filter, and a second outer layer filter,
It is intended to achieve the above-mentioned object by comprising a third outer layer portion filter in which polypropylene fibers are wound in a multilayer shape on the second outer layer portion.
【０００５】[0005]
【作用】本発明においては、まず、繊維状活性炭を基材
として、これの内外層にポリエステル製不織布の濾過材
を配設し、三層濾過構造の円筒状フィルタとすることに
より、繊維状活性炭を使用しているため、活性炭の微塵
が処理水中に流出せず、保守および取扱いが至便で、か
つ、吸着速度が速くなる。また、濾過材を適切に配設し
ているため、圧力損失が少なく、通水量が大きくなる。
さらに、不織布を用いることにより、処理水中の懸濁
物、色、臭味等の有機成分、残留塩素のほか、鉄酸化物
も除去することが可能となる。次に、繊維状活性炭を基
材として、これの内外層に網状のポリプロピレン製繊維
および多層状に巻回したポリプロピレン製繊維の濾過材
を配設し、三層濾過構造の円筒状フィルタとすることに
より、水源池等において処理水に投入された薬品類を除
去することも可能となる。また、繊維状活性炭を基材と
して、これの内外層にポリエステル製の不織布および円
筒状に成形したポリプロピレン製繊維の濾過材を配設
し、三層構造の円筒状フィルタとすることにより、最外
層にポリプロピレンの成形品を使用しているため、強度
が大きく、工業用等多用途に使用することが可能とな
る。さらに、繊維状活性炭を基材として、これの内外層
にポリエステル製の不織布および多層状に巻回したポリ
プロピレン製繊維の濾過材を配設し、四層濾過構造の円
筒状フィルタとすることにより、処理水中の懸濁物、
色、臭味等の有機成分、残留塩素、薬品類、鉄酸化物等
を一層効果的に濾過することが可能となる。In the present invention, fibrous activated carbon is first prepared by using fibrous activated carbon as a base material and arranging a filter material of a polyester non-woven fabric in the inner and outer layers thereof to form a cylindrical filter having a three-layer filtration structure. Since it uses, the fine particles of activated carbon do not flow out into the treated water, maintenance and handling are convenient, and the adsorption rate is high. Further, since the filtering material is properly arranged, the pressure loss is small and the water flow rate is large.
Furthermore, by using a non-woven fabric, it is possible to remove not only suspended matters in treated water, organic components such as color and odor, residual chlorine, but also iron oxide. Next, using fibrous activated carbon as a base material, arranging a filter material made of reticulated polypropylene fibers and polypropylene fibers wound in multiple layers in the inner and outer layers thereof to form a cylindrical filter having a three-layer filtration structure. As a result, it becomes possible to remove chemicals that have been added to the treated water in the water source pond and the like. Further, by using fibrous activated carbon as a base material, a non-woven fabric made of polyester and a filter material made of polypropylene fiber formed into a cylindrical shape are arranged in the inner and outer layers of the base material to form a cylindrical filter having a three-layer structure. Since a polypropylene molded product is used for the product, it has high strength and can be used for various purposes such as industrial use. Further, using fibrous activated carbon as a base material, a non-woven fabric made of polyester and a filter material made of polypropylene fiber wound in multiple layers are arranged in the inner and outer layers thereof, and a cylindrical filter having a four-layer filtration structure is obtained. Suspension in treated water,
It becomes possible to more effectively filter organic components such as color and odor, residual chlorine, chemicals, iron oxides and the like.
【０００６】[0006]
【実施例】以下引き続き、本発明の要旨をさらに明確に
するため、図面を利用して一実施例を説明する。図１お
よび図２を利用して第一実施例について説明する。１ａ
はポリエステル製の不織布よりなる円筒状の内層部フィ
ルタ、２ａは該内層部フィルタ１ａを囲繞するように繊
維状活性炭を巻回して円筒状にした第一外層部フィル
タ、３ａは該第一外層部フィルタ２ａを囲繞するポリエ
ステル製の不織布よりなる円筒状の第二外層部フィルタ
である。次に、本第一実施例の作用については、繊維状
活性炭フィルタ２ａの使用により濾過材の吸着性能を向
上しうるとともに、各濾過材１ａ、２ａ、３ａを適切に
配設することにより、圧力損失を少なくして、粘性液で
も通液可能となる。図３および図４を利用して第二実施
例について説明する。１ｂは網状のポリプロピレン製成
形品よりなる円筒状の内層部フィルタ、２ｂは該内層部
フィルタ４ｂを囲繞するように繊維状活性炭を巻回して
円筒状にした第一外層部フィルタ、３ｂは該第一外層部
フィルタ２ｂを囲繞する多層巻したポリプロピレン製繊
維よりなる円筒状の第二外層部フィルタである。次に、
本第二実施例の作用については、前記第一実施例と同様
に濾過材の吸着性能および処理水の通水性能を向上しう
るとともに、ファインなポリプロピレン繊維を理想的な
密度勾配で多層状に巻いたフィルタを最外層部に使用し
て、水源池等において処理水に投入された薬品類を除去
することも可能となる。図５および図６を利用して第三
実施例について説明する。１ｃはポリエステル製不織布
よりなる円筒状の内層部フィルタ、２ｃは該内層部フィ
ルタ１ａを囲繞するように繊維状活性炭を巻回して円筒
状にした第一外層部フィルタ、３ｃは該第一外層部フィ
ルタ２ｃを囲繞するようにポリプロピレン製繊維を成形
して円筒状にした第二外層部フィルタである。次に、本
第三実施例の作用については、前記第一実施例と同様に
濾過材の吸着性能および処理水の通水性能を向上しうる
とともに、第二外層部フィルタ３ｃとしてポリプロピレ
ンの成形品を用いて、強度が大きく、工業用等多用途に
使用することが可能となる。図７および図８を使用して
第四実施例について説明する。１ｄ、２ｄ、３ｄの各構
成は第一実施例と同様であり、４ｄは第二外層部フィル
タ３ｄを囲繞する多層巻したポリプロピレン製繊維より
なる円筒状の第四外層部フィルタである。次に、本第四
実施例の作用については、前記第一実施例と同様に濾過
材の吸着性能および処理水の通水性能を向上しうるとと
もに、最外層部にポリプロピレン製繊維を多層状に巻回
して円筒状にしたフィルタを設けて四層濾過構造とする
ことにより、一層効果的に濾過することが可能となる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described below with reference to the drawings in order to further clarify the gist of the present invention. A first embodiment will be described with reference to FIGS. 1 and 2. 1a
Is a cylindrical inner layer part filter made of polyester nonwoven fabric, 2a is a first outer layer part filter in which fibrous activated carbon is wound into a cylindrical shape so as to surround the inner layer part filter 1a, and 3a is the first outer layer part. It is a cylindrical second outer layer filter made of a polyester non-woven fabric surrounding the filter 2a. Next, regarding the operation of the first embodiment, the adsorption performance of the filter medium can be improved by using the fibrous activated carbon filter 2a, and the pressure can be reduced by appropriately disposing each filter medium 1a, 2a, 3a. Loss is reduced, and even viscous liquids can be passed through. The second embodiment will be described with reference to FIGS. 3 and 4. Reference numeral 1b is a cylindrical inner layer filter made of a reticulated polypropylene molded product, 2b is a first outer layer filter which is formed by winding fibrous activated carbon into a cylindrical shape so as to surround the inner layer filter 4b, and 3b is the first filter. It is a cylindrical second outer layer filter made of multi-layered polypropylene fibers surrounding one outer layer filter 2b. next,
Regarding the operation of the second embodiment, it is possible to improve the adsorption performance of the filter medium and the water flow performance of the treated water similarly to the first embodiment, and fine polypropylene fibers are formed into a multilayered structure with an ideal density gradient. It is also possible to remove the chemicals added to the treated water in the water source pond by using the rolled filter in the outermost layer. A third embodiment will be described with reference to FIGS. Reference numeral 1c is a cylindrical inner layer filter made of polyester nonwoven fabric, 2c is a first outer layer filter in which fibrous activated carbon is wound into a cylindrical shape so as to surround the inner layer filter 1a, and 3c is the first outer layer portion. It is a second outer layer filter which is formed by molding polypropylene fibers so as to surround the filter 2c and has a cylindrical shape. Next, regarding the operation of the third embodiment, the adsorption performance of the filter medium and the water passing performance of the treated water can be improved similarly to the first embodiment, and a polypropylene molded product is used as the second outer layer filter 3c. Since it has a large strength, it can be used for various purposes such as industrial use. A fourth embodiment will be described with reference to FIGS. 7 and 8. Each of the configurations 1d, 2d, 3d is the same as that of the first embodiment, and 4d is a cylindrical fourth outer layer filter made of multi-layer wound polypropylene fibers surrounding the second outer layer filter 3d. Next, with respect to the operation of the fourth embodiment, it is possible to improve the adsorption performance of the filter medium and the water-passing performance of the treated water as in the case of the first embodiment. By providing a filter that is wound into a cylindrical shape and has a four-layer filtration structure, it becomes possible to perform filtration more effectively.
【０００７】なお、本発明に係わる内外層部各フィルタ
の形状や、大きさ及び材質等は、前記した目的、作用お
よび後記する発明の効果が達成される範囲内においてそ
れぞれ任意に定められてよく、これらの変更はいずれも
本発明の要旨を何ら変更するものでないことは申すまで
もない。The shape, size, material and the like of each filter of the inner and outer layer portions according to the present invention may be arbitrarily determined within the range in which the above-mentioned objects, functions and effects of the invention described below are achieved. Needless to say, none of these modifications change the gist of the present invention.
【０００８】[0008]
【発明の効果】以上詳細に説明したように、本発明は、
繊維状活性炭を基材として、これの内外層にポリエステ
ル製不織布の濾過材を配設し、三層濾過構造の円筒状フ
ィルタとすることにより、濾過材の吸着性能および処理
水の通水性能を向上するとともに、処理水中の懸濁物、
色、臭味等の有機物質、残留塩素のほか鉄酸化物を除去
することも可能となる。また、繊維状活性炭を基材とし
て、これの内外層に網状のポリプロピレン製成形品およ
び多層状に巻回したポリプロピレン製繊維の濾過材を配
設し、三層濾過構造の円筒状フィルタとすることによ
り、水源池等において処理水に投入される薬品類も除去
することが可能となる。さらに、繊維状活性炭を基材と
して、これの内外層にポリエステル製の不織布および円
筒状に成形したポリプロピレン製繊維の濾過材を配設
し、三層濾過構造の円筒状フィルタとすることにより、
強度を大きくして、工業用等多用途に使用することが可
能となる。また、繊維状活性炭を基材として、これの内
外層にポリエステル製の不織布および多層状に巻回した
ポリプロピレン製繊維の濾過材を配設して四層濾過構造
の円筒状フィルタとすることにより、前記濾過機能を一
層向上することが可能となる。以上、本発明は、保守お
よび取扱いが至便で、家庭用および工業用などに広く実
用的に使用できるので、まことに優れた発明である。As described in detail above, the present invention is
By using fibrous activated carbon as a base material and arranging a filter material of polyester non-woven fabric in the inner and outer layers of this to form a cylindrical filter with a three-layer filtration structure, the adsorption performance of the filtration material and the water flow performance of the treated water Improved and suspended in treated water,
It becomes possible to remove iron oxide as well as organic substances such as color and odor and residual chlorine. Further, using a fibrous activated carbon as a base material, arranging a reticulated polypropylene molded product and a polypropylene fiber filter material wound in multiple layers in the inner and outer layers thereof to form a cylindrical filter having a three-layer filtration structure. This makes it possible to remove chemicals that are added to the treated water in the water source pond and the like. Furthermore, by using fibrous activated carbon as a base material, the inner and outer layers thereof are provided with a nonwoven fabric made of polyester and a filter material made of polypropylene fiber formed into a cylindrical shape, to form a cylindrical filter having a three-layer filtration structure.
By increasing the strength, it can be used for various purposes such as industrial use. Further, by using a fibrous activated carbon as a base material, a nonwoven fabric made of polyester and a filter material made of polypropylene fiber wound in multiple layers in the inner and outer layers thereof to form a cylindrical filter having a four-layer filtration structure, It is possible to further improve the filtering function. As described above, the present invention is a very excellent invention because it is convenient to maintain and handle and can be widely and practically used for household and industrial purposes.
【図１】本発明の第一実施例を示す縦断面図である。FIG. 1 is a vertical sectional view showing a first embodiment of the present invention.
【図２】図１のＡ−Ａ断面を示す横断面図である。FIG. 2 is a cross-sectional view showing a cross section taken along the line AA of FIG.
【図３】本発明の第二実施例を示す縦断面図である。FIG. 3 is a vertical sectional view showing a second embodiment of the present invention.
【図４】図３のＡ−Ａ断面を示す横断面図である。4 is a cross-sectional view showing a cross section taken along the line AA of FIG.
【図５】本発明の第三実施例を示す縦断面図である。FIG. 5 is a vertical sectional view showing a third embodiment of the present invention.
【図６】図５のＡ−Ａ断面を示す横断面図である。6 is a cross-sectional view showing a cross section taken along the line AA of FIG.
【図７】本発明の第四実施例を示す縦断面図である。FIG. 7 is a vertical sectional view showing a fourth embodiment of the present invention.
【図８】図７のＡ−Ａ断面を示す横断面図である。8 is a cross-sectional view showing a cross section taken along the line AA of FIG.
１ａ 内層部フィルタ １ｂ 内層部フィルタ １ｃ 内層部フィルタ １ｄ 内層部フィルタ ２ａ 第一外層部フィルタ ２ｂ 第一外層部フィルタ ２ｃ 第一外層部フィルタ ２ｄ 第一外層部フィルタ ３ａ 第二外層部フィルタ ３ｂ 第二外層部フィルタ ３ｃ 第二外層部フィルタ ３ｄ 第二外層部フィルタ ４ｄ 第三外層部フィルタ 1a Inner layer filter 1b Inner layer filter 1c Inner layer filter 1d Inner layer filter 2a First outer layer filter 2b First outer layer filter 2c First outer layer filter 2d First outer layer filter 3a Second outer layer filter 3b Second outer layer Filter 3c second outer layer filter 3d second outer layer filter 4d third outer layer filter
Claims (4)
１ａと、該内層部フィルタを囲繞すべく繊維状活性炭を
巻回して円筒状にした第一外層部フィルタと、該第一外
層部フィルタを囲繞すべく不織布よりなる円筒状の第二
外層部フィルタとよりなることを特徴とする円筒状フィ
ルタ。1. A cylindrical inner layer part filter 1a made of a non-woven fabric, a first outer layer part filter in which fibrous activated carbon is wound to surround the inner layer part filter into a cylindrical shape, and the first outer layer part filter. A cylindrical filter comprising a cylindrical second outer layer part filter made of a non-woven fabric to be surrounded.
状の内層部フィルタと、該内層部フィルタを囲繞すべく
繊維状活性炭を巻回して円筒状にした第一外層部フィル
タと、該第一外層部フィルタを囲繞すべくポリプロピレ
ン製繊維を多層状に巻回して円筒状にした第二外層部フ
ィルタとよりなることを特徴とする円筒状フィルタ。2. A cylindrical inner layer filter made of reticulated polypropylene fibers, a first outer layer filter which is formed by winding fibrous activated carbon into a cylindrical shape so as to surround the inner layer filter, and the first outer layer part. A cylindrical filter comprising a second outer layer filter which is formed by winding polypropylene fibers in a multilayer shape to surround the filter to form a cylindrical shape.
と、該内層部フィルタを囲繞すべく繊維状活性炭を巻回
して円筒状にした第一外層部フィルタと、該第一外層部
フィルタを囲繞すべくポリプロピレン製繊維を成形して
円筒状にした第二外層部フィルタとよりなることを特徴
とする円筒状フィルタ。3. A cylindrical inner layer filter made of a non-woven fabric, a first outer layer filter which is formed by winding fibrous activated carbon into a cylindrical shape to surround the inner layer filter, and the first outer layer filter. In order to do so, a cylindrical filter comprising a second outer layer filter formed by molding polypropylene fibers into a cylindrical shape.
と、第二外層部フィルタとよりなる請求項１記載の円筒
状フィルタと、該第二外層部上にポリプロピレン製繊維
を多層状に巻回した第三外層部フィルタとよりなること
を特徴とする円筒状フィルタ。4. A cylindrical filter according to claim 1, comprising an inner layer filter, a first outer layer filter, and a second outer layer filter, and polypropylene fibers wound in multiple layers on the second outer layer portion. A cylindrical filter comprising a rotated third outer layer filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14211492A JPH05309218A (en) | 1992-05-06 | 1992-05-06 | Cylindrical filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14211492A JPH05309218A (en) | 1992-05-06 | 1992-05-06 | Cylindrical filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05309218A true JPH05309218A (en) | 1993-11-22 |
Family
ID=15307743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14211492A Pending JPH05309218A (en) | 1992-05-06 | 1992-05-06 | Cylindrical filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05309218A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020054880A (en) * | 2000-12-28 | 2002-07-08 | 한형수 | Method for manufacturing cylindrical filter to purifying fluid |
| KR100644140B1 (en) * | 2005-08-16 | 2006-11-10 | 영성산업 주식회사 | Nonwoven Filter with Double Structure and Manufacturing Method Thereof |
| JP2007313495A (en) * | 2006-04-28 | 2007-12-06 | Toray Ind Inc | Uniformly layered trapping material and its manufacturing method |
| JP2016112520A (en) * | 2014-12-16 | 2016-06-23 | 株式会社ロキテクノ | Multilayer structure filter and filter device using the same |
| CN108582658A (en) * | 2018-03-08 | 2018-09-28 | 张前 | a kind of injection moulding machine nozzle structure |
-
1992
- 1992-05-06 JP JP14211492A patent/JPH05309218A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020054880A (en) * | 2000-12-28 | 2002-07-08 | 한형수 | Method for manufacturing cylindrical filter to purifying fluid |
| KR100644140B1 (en) * | 2005-08-16 | 2006-11-10 | 영성산업 주식회사 | Nonwoven Filter with Double Structure and Manufacturing Method Thereof |
| JP2007313495A (en) * | 2006-04-28 | 2007-12-06 | Toray Ind Inc | Uniformly layered trapping material and its manufacturing method |
| JP2016112520A (en) * | 2014-12-16 | 2016-06-23 | 株式会社ロキテクノ | Multilayer structure filter and filter device using the same |
| CN108582658A (en) * | 2018-03-08 | 2018-09-28 | 张前 | a kind of injection moulding machine nozzle structure |
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