JPH03207416A - Filter body - Google Patents
Filter bodyInfo
- Publication number
- JPH03207416A JPH03207416A JP59990A JP59990A JPH03207416A JP H03207416 A JPH03207416 A JP H03207416A JP 59990 A JP59990 A JP 59990A JP 59990 A JP59990 A JP 59990A JP H03207416 A JPH03207416 A JP H03207416A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter medium
- tetrafluoroethylene resin
- porous carrier
- resin
- 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
- 239000000463 material Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 239000011347 resin Substances 0.000 claims abstract description 47
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000007731 hot pressing Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 239000011148 porous material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- 241000723353 Chrysanthemum Species 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は液体中の微粒子を除去するために用いる四弗化
エチレン樹脂からなるフィルター材を使用した濾過体に
関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a filter body using a filter material made of tetrafluoroethylene resin used for removing particulates in a liquid.
［従来の技術］
濾過は各種の工業において用いられている。例えば電子
工業、精密機械工業においては、電子機器部品、機械部
品を洗浄した洗浄液を再利用するために、また、放電加
工工業においては、加工の結果加工液に蓄積する微粒子
をを除去し、加工液を再利用するために用いられている
。[Prior Art] Filtration is used in various industries. For example, in the electronics industry and precision machinery industry, cleaning fluid used to clean electronic equipment parts and mechanical parts is reused, and in the electrical discharge machining industry, fine particles that accumulate in the machining fluid as a result of machining are removed and processed. It is used to reuse liquid.
四弗化エチレン樹脂からなるフィルター材は、平均孔径
０．１−１０μｍのものが自由に製造でき、その使用目
的によって適当な平均孔径のものが選定でき、濾過の圧
力損失も低く、耐薬品性もあり、イオンの流出もないの
でこれら濾過に用いるフィルター材として優れている。Filter materials made of tetrafluoroethylene resin can be manufactured freely with an average pore size of 0.1-10 μm, and an appropriate average pore size can be selected depending on the purpose of use.The pressure loss during filtration is low, and it is chemical resistant. It is an excellent filter material for these filtration applications because it does not release ions.
これらのフィルター材は、一般には、その単位体積当り
の濾過面積を増大し、効率よく濾過を行うために菊花状
に折り畳む等して使用されている。These filter materials are generally used by being folded into a chrysanthemum shape in order to increase the filtration area per unit volume and to perform efficient filtration.
フィルター材を菊花状に折り畳んで構成した、いわゆる
カートリッジ型の濾過体は、その中央部に空間を残さざ
るを得す、濾過面積を増大するには限度があり、その強
度も十分なものではなかった。また、濾過面積を増大す
るためにフィルター材を中空糸状にすることも行われて
いるが、四弗化エチレン樹脂からなる多孔質の中空糸を
作ることは困難であり、中空糸状のフィルター材は高価
であった。The so-called cartridge-type filter body, which is constructed by folding the filter material into a chrysanthemum shape, has no choice but to leave a space in the center.There is a limit to increasing the filtration area, and its strength is not sufficient. Ta. In addition, in order to increase the filtration area, filter materials are made into hollow fibers, but it is difficult to make porous hollow fibers made of tetrafluoroethylene resin, and hollow fiber-shaped filter materials are It was expensive.
濾過操作で捕集された粒子は、フィルター材面上に堆積
し、時間が経過するにしたがって圧力損失が増加し、濾
過流量が低下してくる。この場合、フィルター材を廃棄
し、新しいフィルター材に代えることは不経済であるの
で、通常、フィルター材面上に堆積した粒子を除去し、
再使用することが行われている。Particles collected during the filtration operation accumulate on the surface of the filter material, and as time passes, the pressure loss increases and the filtration flow rate decreases. In this case, it is uneconomical to discard the filter material and replace it with a new one, so the particles deposited on the surface of the filter material are usually removed,
It is being reused.
フィルター材面上に堆積した粒子を除去するには、一般
には、濾過の方向とは逆の方向に液体等を流通して行う
、逆洗浄方法が採用されている。To remove particles deposited on the surface of the filter material, a backwashing method is generally employed in which liquid or the like is passed in the opposite direction to the filtration direction.
したがって、濾過装置に用いられる濾過体として、この
逆洗浄方法においても破断せず、フィルター材面に堆積
した粒子を容易に除去することができるものが求められ
ていた。Therefore, there has been a demand for a filter body used in a filter device that does not break even in this backwashing method and can easily remove particles deposited on the surface of the filter material.
［発明の目的］
本発明の第ｌの目的は、製造が容易で、十分な強度をも
つ、濾過体を提供することにある。[Object of the Invention] The first object of the present invention is to provide a filter body that is easy to manufacture and has sufficient strength.
第２の目的は、逆洗浄においても破断せず、濾過面積を
大きくとることができる濾過体を提供するにある。The second object is to provide a filter that does not break even during backwashing and can have a large filtration area.
［発明の構成］
上記目的は、
（１）多孔質担体の周囲に、四弗化エチレン樹脂からな
るフィルター材を網状物又は不織布を介在させて形成し
てなる濾過体
（２）多孔質担体が樹脂の微粒子または繊維を融着した
ものであることを特徴とする上記（１）記載の濾過体
（３）四弗化エチレン樹脂からなるフィルター材に、接
着剤を用いて合成樹脂からなる網状物又は不織布を接着
するか、あるいは、該四弗化エチレン樹脂より低い融点
を有する合威樹脂からなる網状物又は不織布を融着して
濾材を形成し、該濾材をその網面又は不織布面を向かい
合わせて重ね、間隔をあけて線状に熱圧着し、筒状の濾
材を形成し、該筒状の濾材の中に多孔質担体を挿入する
ことを特徴とする上記（１）及び（２）記載の濾過体の
製造方法。[Structure of the Invention] The above objects are as follows: (1) A filter body formed by forming a filter material made of tetrafluoroethylene resin around a porous carrier with a mesh or nonwoven fabric interposed therebetween; (2) a porous carrier; The filter body according to (1) above, characterized in that it is made by fusing resin fine particles or fibers (3) A net-like body made of a synthetic resin using an adhesive on a filter material made of a tetrafluoroethylene resin. Alternatively, a filter medium is formed by gluing a nonwoven fabric, or by fusing a net or nonwoven fabric made of a hewei resin having a melting point lower than that of the tetrafluoroethylene resin, and the filter medium is placed with its net surface or nonwoven fabric surface facing each other. (1) and (2) above, which are characterized in that they are stacked together and heat-compressed in a linear shape at intervals to form a cylindrical filter medium, and a porous carrier is inserted into the cylindrical filter medium. The method for manufacturing the filter body described above.
（４〉四弗化エチレン樹脂からなるフィルター材に、接
着剤を用いて合成樹脂からなる網状物又は不織布を接着
するか、あるいは、該四弗化エチレン樹脂より低い融点
を有する合成樹脂からなる網状物又は不織布を融着して
濾材を形威し、該濾材の両端をその網面又は不織布面を
向かい合わせて重ね、線状に熱圧着し、筒状の濾材を形
成し、該筒状の濾材の中に多孔質担体を挿入することを
特徴とする上記（１）及び（２）記載の濾過体の製造方
法。によって達成できる。(4) A net or nonwoven fabric made of synthetic resin is adhered to the filter material made of tetrafluoroethylene resin using an adhesive, or a net made of synthetic resin having a melting point lower than that of the tetrafluoroethylene resin is bonded to the filter material made of tetrafluoroethylene resin. A filter medium is formed by fusing objects or non-woven fabrics, and the ends of the filter medium are overlapped with their mesh surfaces or non-woven fabric surfaces facing each other, and are heat-pressed in a linear manner to form a cylindrical filter medium. This can be achieved by the method for producing a filter medium described in (1) and (2) above, which comprises inserting a porous carrier into the filter medium.
以下、詳細に本発明を説明する。The present invention will be explained in detail below.
四弗化エチレン樹脂からなるフィルター材は、四弗化エ
チレンまたは四弗化エチレンを主体とする樹脂からなる
フィルムに、微細な多数の孔を形成したものである。A filter material made of tetrafluoroethylene resin has a large number of fine pores formed in a film made of tetrafluoroethylene or a resin mainly composed of tetrafluoroethylene.
かかる四弗化エチレン樹脂からなるフィルター材は各種
のものが市販されており、市販されているものには、例
えば厚さが５〜３５μｍ１平均孔径が０．１−１０μｍ
のものがある。Various kinds of filter materials made of such tetrafluoroethylene resin are commercially available, and commercially available ones include, for example, a thickness of 5 to 35 μm and an average pore size of 0.1 to 10 μm.
There is something like that.
本発明の四弗化エチレン樹脂からなるフィルター材は、
これらの中から除去すべき微粒子の大きさ等を考慮して
選択すればよい。The filter material made of the tetrafluoroethylene resin of the present invention is
It may be selected from these in consideration of the size of the fine particles to be removed.
四弗化エチレン樹脂からなるフィルター材と多孔質担体
との間に介在させる網状物又は不織布としては各種のも
のが用いられる。Various types of net-like material or non-woven fabric can be used as the mesh material or non-woven fabric interposed between the filter material made of tetrafluoroethylene resin and the porous carrier.
網状物としては、厚さが０．３〜０．５■■で、網目２
０〜５０メッシュであるのものが好ましい。また、不織
布としては、厚さが０．３〜０．５ｍｍであるのものが
好ましい。The mesh material has a thickness of 0.3 to 0.5■■, and has a mesh size of 2
Preferably, it has a mesh size of 0 to 50 mesh. Moreover, as a nonwoven fabric, the thing whose thickness is 0.3-0.5 mm is preferable.
網状物又は不織布の材料は、濾過体に要求される性能を
満たすものであればいずれでもよい。例えばポリ四弗化
エチレン、四弗化エチレン一六弗化プロピレン共重合体
、塩化ビニル樹脂、塩化ビニリデン樹脂、ポリエチレン
、ポリプロピレン、ボリアミド、ポリエステルを用いる
ことができる。The material for the mesh or nonwoven fabric may be any material as long as it satisfies the performance required of the filter. For example, polytetrafluoroethylene, tetrafluoroethylene-16-fluoropropylene copolymer, vinyl chloride resin, vinylidene chloride resin, polyethylene, polypropylene, polyamide, and polyester can be used.
四弗化エチレン樹脂からなるフィルター材と網状物又は
不織布とは、接着剤によりあるいは融着により一体化し
た方が四弗化エチレン樹脂からなるフィルター材がより
補強されるので好ましいが、四弗化エチレン樹脂からな
るフィルター材と網状物又は不織布とは必ずしも一体化
していなければならないものではない。It is preferable to integrate the filter material made of tetrafluoroethylene resin and the net or nonwoven fabric with an adhesive or by fusion, as this will further strengthen the filter material made of tetrafluoroethylene resin. The filter material made of ethylene resin and the mesh or nonwoven fabric do not necessarily have to be integrated.
四弗化エチレン樹脂からなるフィルター材と網状物又は
不織布とを融着により一体化する場合には、網状物又は
不織布として四弗化エチレン樹脂からなるフィルター゜
材よりも融点の低いものが用いられる。When a filter material made of tetrafluoroethylene resin and a net or non-woven fabric are integrated by fusion, a material having a lower melting point than the filter material made of tetrafluoroethylene resin is used as the net or non-woven fabric. .
多孔質担体は、連通孔を有するものであって、四弗化エ
チレン樹脂からなるフィルター材により濾過された液体
は多孔質担体の連通孔を通って排出される。The porous carrier has communicating pores, and the liquid filtered by the filter material made of tetrafluoroethylene resin is discharged through the communicating pores of the porous carrier.
多孔質担体の連通孔を通って出てきた・濾過された液体
の排出を容易にするため、多孔質担体にはその中心部に
中空部分を設けておくことが好ましい。In order to facilitate the discharge of the filtered liquid that has come out through the communicating pores of the porous carrier, it is preferable that the porous carrier has a hollow portion in its center.
多孔質担体の材料は、使用する液体によって犯されない
ものであれば、セラミック、ガラス等の無機質のもので
あっても、合成樹脂等の有機質のものであってもよい。The material of the porous carrier may be inorganic, such as ceramic or glass, or organic, such as synthetic resin, as long as it is not affected by the liquid used.
多孔質担体は、発泡成形等、通常用いられる方法によっ
て形成することができるが、四弗化エチレン一六弗化プ
ロピレン共重合体、塩化ビニル樹脂、塩化ビニリデン樹
脂、ポリエチレン、ボリブロピレン、ポリアミド、ポリ
エステル等の熱可塑性合成樹脂からなる微粒子あるいは
繊維を融着し、連通孔を形成したものが好ましい。The porous carrier can be formed by a commonly used method such as foam molding, and may be formed using tetrafluoroethylene hexafluoropropylene copolymer, vinyl chloride resin, vinylidene chloride resin, polyethylene, polypropylene, polyamide, polyester, etc. It is preferable that fine particles or fibers made of a thermoplastic synthetic resin are fused together to form communicating pores.
多孔質担体は、濾過圧により、四弗化エチレン樹脂から
なるフィルター材が変形するのをさけるために剛性を有
することが好ましい。The porous carrier preferably has rigidity in order to avoid deformation of the filter material made of tetrafluoroethylene resin due to filtration pressure.
多孔質担体の周囲には、四弗化エチレン樹脂からなるフ
ィルター材が網秋物又は不織布を介在させて形成される
。A filter material made of tetrafluoroethylene resin is formed around the porous carrier with a mesh or nonwoven fabric interposed therebetween.
網状物又は不織布が四弗化エチレン樹脂より低い融点を
有する合成樹脂からなる場合には、四弗化エチレン樹脂
からなるフィルター材に、接着剤を用いて接着すること
によりあるいは融着により網状物又は不織布を一体化さ
せ濾材を形威し、これを網面又は不織布面を向かい合わ
せて重ね、間隔をあけて線状に熱圧着し、筒状の濾材を
形成し、この筒状の濾材の中に多孔質担体を挿入するか
、上記のようにして形成した濾材の両端をその網面又は
不織布面を向かい合わせて重ね、線状に熱圧着し、筒状
の濾材を形成し、この筒状の濾材の中に多孔質担体を挿
入することにより、多孔質担体の周囲に四弗化エチレン
樹脂からなるフィルター材を網状物又は不織布を介在さ
せた濾過体を形成することができる。When the net or non-woven fabric is made of a synthetic resin having a lower melting point than the tetrafluoroethylene resin, the net or non-woven fabric is bonded to the filter material made of the tetrafluoroethylene resin using an adhesive or by fusion. A filter medium is formed by integrating non-woven fabrics, stacked with the mesh or non-woven fabric surfaces facing each other, and heat-pressed in a linear manner at intervals to form a cylindrical filter medium. Either by inserting a porous carrier into the filter medium, or by stacking both ends of the filter medium formed as described above with their mesh or non-woven fabric surfaces facing each other, and bonding them under heat in a linear manner to form a cylindrical filter medium. By inserting a porous carrier into a filter medium, a filter body can be formed in which a filter material made of tetrafluoroethylene resin is interposed with a mesh or a nonwoven fabric around the porous carrier.
四弗化エチレン樹脂それ自身はその優では接着ないし融
着することができないが、四弗化エチレン樹脂からなる
フィルター材は上記のようにして強固に接合することが
できる。Although tetrafluoroethylene resin itself cannot be bonded or fused, a filter material made of tetrafluoroethylene resin can be firmly bonded as described above.
以下、図面にしたがって本発明を説明する。Hereinafter, the present invention will be explained according to the drawings.
第１図に、四弗化エチレン樹脂からなるフィルター材１
が示され、また、第２図には、網状物２が示されている
。Figure 1 shows a filter material 1 made of tetrafluoroethylene resin.
is shown, and a mesh 2 is also shown in FIG.
四弗化エチレン樹脂からなるフィルター材１と網状物２
とを重ね、接着剤を用いて、あるいは、熱圧着により接
合し、濾材３を形成する。（第３図参照）
次いで、濾材３を、網状物２を内側として２枚重ね合わ
せ、第４図に示すように、一定の間隔をあけて配置した
加熱電極４によって５で示される部分を線状に熱融着す
る。Filter material 1 and mesh material 2 made of tetrafluoroethylene resin
The filter medium 3 is formed by stacking them and joining them using an adhesive or by thermocompression bonding. (See Figure 3) Next, two pieces of filter media 3 are stacked on top of each other with the mesh 2 on the inside, and as shown in Figure 4, the portions indicated by 5 are lined with heating electrodes 4 arranged at regular intervals. Heat fused into a shape.
６、６′ ６′・・・は、濾材３の融着部を示す。6, 6', 6', . . . indicate fused portions of the filter medium 3.
加熱電極４によって線状に熱融着された濾材３の間には
、中心に中空の孔７を有している多孔質担体８が挿入さ
れる。（第５図参照）
次いで、融着部６、６′ ６′・・・は、切断され、切
り離され、本発明の濾過体が形成される。A porous carrier 8 having a hollow hole 7 in the center is inserted between the filter media 3 which are linearly heat-sealed by the heating electrodes 4 . (See FIG. 5) Next, the fused portions 6, 6', 6', . . . are cut and separated to form the filter body of the present invention.
第６図は、本発明の濾過体９の一例を示すものである。FIG. 6 shows an example of the filter body 9 of the present invention.
第６図においては、多孔質担体８は中空筒状の形態を有
しており、また、濾過体９の一端は封止材１０で封止さ
れている。In FIG. 6, the porous carrier 8 has a hollow cylindrical shape, and one end of the filter body 9 is sealed with a sealing material 10.
第７図は、濾材３の融着部６、６′ ６′・・・の他の
例を示すものである。FIG. 7 shows another example of the fused portions 6, 6', 6', . . . of the filter medium 3.
第８図、第９図は、本発明の濾過体の他の製造例を示す
ものである。FIG. 8 and FIG. 9 show other manufacturing examples of the filter body of the present invention.
四弗化エチレン樹脂からなるフィルター材と網状物とか
らなる濾材１ｌは網状物を内側として２つ折りに重ねら
れ、端［１３が加熱電極１２によって線状に熱融着され
る。A filter medium 1l consisting of a filter material made of tetrafluoroethylene resin and a mesh material is folded in half with the mesh material inside, and the ends [13] are linearly heat-sealed by the heating electrode 12.
１４は、濾材１１の融着部を示す。14 indicates a fused portion of the filter medium 11.
加熱電極１２によって線状に熱融着された濾材１１の間
には、中心に中空の孔１５を有している多孔質担体１６
が挿入される。A porous carrier 16 having a hollow hole 15 in the center is placed between the filter media 11 linearly heat-sealed by the heating electrode 12.
is inserted.
第１０図は、多孔質担体８、１６の他の例を示すもので
ある。この例では中空孔の一端は多孔質担体の一部で封
鎖１７されている。FIG. 10 shows another example of the porous carriers 8 and 16. In this example, one end of the hollow hole is sealed 17 with a portion of the porous carrier.
第１１図、第１２図は、本発明の濾過体９を使用した濾
過装置の一例を示すものである。FIG. 11 and FIG. 12 show an example of a filter device using the filter body 9 of the present invention.
濾過体９は、仕切板１８に取り付けられ、流入口１９及
び流出口２０を有する外被２１内に取り付けられる。The filter body 9 is attached to the partition plate 18 and is installed in a jacket 21 having an inlet 19 and an outlet 20.
濾過する液体は流入口１９から入り、濾過された液体は
流出口２０から流出する。濾過された微粒子等は濾過体
９の表面に堆積する。The liquid to be filtered enters through the inlet 19 and the filtered liquid exits through the outlet 20. The filtered particles are deposited on the surface of the filter body 9.
濾過体９の逆洗浄は、流出口２０から洗浄液を送り込む
ことによって行うことができる。Backwashing of the filter body 9 can be performed by feeding a cleaning liquid from the outlet 20.
［発明の効果コ
本発明の濾過体は、製造が容易で、十分な強度もあり、
逆洗浄においても破断せず、濾過面積を大きくとること
ができる。[Effects of the Invention] The filter body of the present invention is easy to manufacture, has sufficient strength,
It does not break even during backwashing, allowing a large filtration area.
第１図は本発明の四弗化エチレン樹脂からなるフィルタ
ー材を示す平面図、第２図は本発明の網状物を示す平面
図、第３図は本発明の濾材を示す正面図、第４図は濾材
を熱融着する方法を説明する図、第５図は製造途中にお
ける本発明の濾過体の一例を示す側面図、第６図は本発
明の濾過体の一例を示す一部切り欠き正面図、第７図は
濾材の融着部の他の例を示す説明図、ｍ８図は濾材を熱
融着する他の方法を説明する図、第９図は本発明の濾過
体の他の一例の側面図、第１０図は多孔質担体の他の一
例を示す正面図、第１１図は本発明の濾過体を使用した
濾過装置の断面図、第１２図は第１１図のＡ−Ａ線の断
面図を示す。FIG. 1 is a plan view showing a filter material made of tetrafluoroethylene resin of the present invention, FIG. 2 is a plan view showing a mesh material of the present invention, FIG. 3 is a front view showing a filter material of the present invention, and FIG. The figure is a diagram illustrating a method of heat-sealing filter media, Figure 5 is a side view showing an example of the filter element of the present invention in the middle of manufacturing, and Figure 6 is a partially cutaway diagram showing an example of the filter element of the present invention. A front view, FIG. 7 is an explanatory diagram showing another example of the fused portion of the filter medium, FIG. m8 is a diagram explaining another method of heat-sealing the filter medium, and FIG. A side view of one example, FIG. 10 is a front view showing another example of the porous carrier, FIG. 11 is a sectional view of a filtration device using the filter body of the present invention, and FIG. 12 is A-A in FIG. 11. A cross-sectional view of the line is shown.
Claims (4)
るフィルター材を網状物又は不織布を介在させて形成し
てなる濾過体(1) A filter body formed by forming a filter material made of tetrafluoroethylene resin around a porous carrier with a mesh or nonwoven fabric interposed therebetween.
ものであることを特徴とする請求項（１）記載の濾過体(2) The filter body according to claim (1), wherein the porous carrier is one in which resin fine particles or fibers are fused.
着剤を用いて合成樹脂からなる網状物又は不織布を接着
するか、あるいは、該四弗化エチレン樹脂より低い融点
を有する合成樹脂からなる網状物又は不織布を融着して
濾材を形成し、該濾材をその網面又は不織布面を向かい
合わせて重ね、間隔をあけて線状に熱圧着し、筒状の濾
材を形成し、該筒状の濾材の中に多孔質担体を挿入する
ことを特徴とする請求項（１）及び（２）記載の濾過体
の製造方法。(3) A net or nonwoven fabric made of synthetic resin is adhered to the filter material made of tetrafluoroethylene resin using an adhesive, or a net made of synthetic resin having a melting point lower than that of the tetrafluoroethylene resin is bonded to the filter material made of tetrafluoroethylene resin. A filter medium is formed by fusing objects or non-woven fabrics, and the filter medium is stacked with its mesh surfaces or non-woven fabric surfaces facing each other, and heat-compressed in a linear manner at intervals to form a cylindrical filter medium. 2. The method for producing a filter medium according to claim 1, wherein a porous carrier is inserted into the filter medium.
着剤を用いて合成樹脂からなる網状物又は不織布を接着
するか、あるいは、該四弗化エチレン樹脂より低い融点
を有する合成樹脂からなる網状物又は不繊布を融着して
濾材を形成し、該濾材の両端をその網面又は不織布面を
向かい合わせて重ね、線状に熱圧着し、筒状の濾材を形
成し、該筒状の濾材の中に多孔質担体を挿入することを
特徴とする請求項（１）及び（２）記載の濾過体の製造
方法。(4) A net or nonwoven fabric made of synthetic resin is adhered to the filter material made of tetrafluoroethylene resin using an adhesive, or a net made of synthetic resin having a melting point lower than that of the tetrafluoroethylene resin is bonded to the filter material made of tetrafluoroethylene resin. A filter medium is formed by fusing a material or a nonwoven fabric, and the ends of the filter medium are overlapped with their mesh surfaces or nonwoven fabric surfaces facing each other, and are heat-pressed in a linear manner to form a cylindrical filter medium. The method for producing a filter body according to claims (1) and (2), characterized in that a porous carrier is inserted into the filter medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59990A JPH03207416A (en) | 1990-01-08 | 1990-01-08 | Filter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59990A JPH03207416A (en) | 1990-01-08 | 1990-01-08 | Filter body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03207416A true JPH03207416A (en) | 1991-09-10 |
Family
ID=11478200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59990A Pending JPH03207416A (en) | 1990-01-08 | 1990-01-08 | Filter body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03207416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019095086A (en) * | 2017-11-20 | 2019-06-20 | 日本ノンテックス株式会社 | Nonwoven filter for surrounding metallic filter of range hood |
-
1990
- 1990-01-08 JP JP59990A patent/JPH03207416A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019095086A (en) * | 2017-11-20 | 2019-06-20 | 日本ノンテックス株式会社 | Nonwoven filter for surrounding metallic filter of range hood |
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