JP2006043669A - Air conditioning filtering medium - Google Patents

Air conditioning filtering medium Download PDF

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Publication number
JP2006043669A
JP2006043669A JP2004251117A JP2004251117A JP2006043669A JP 2006043669 A JP2006043669 A JP 2006043669A JP 2004251117 A JP2004251117 A JP 2004251117A JP 2004251117 A JP2004251117 A JP 2004251117A JP 2006043669 A JP2006043669 A JP 2006043669A
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filter medium
filter
air
conditioning
filter frame
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Hiroo Mizushima
裕男 水島
Katsuhiro Masunaga
功寛 升永
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Shinwa Corp
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Shinwa Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioning filtering medium easily mounted on a filter frame and not allowing air to leak also on a type mounted and detached laterally. <P>SOLUTION: In a zig-zag air filter, after a plurality of resin beads 3 are coated on both sides or one surface of a filtering material 2 in a certain thickness to form a resin layer, the filter material is folded in a zig-zag form to solidify the resin layer and the folding widths of the filtering material are defined to be certain distances. The air conditioning filtering medium has the resin beads 3', 3" each applied to the upper and lower ends of the filtering material other than the ends 6, 7 of predetermined width, the ends 6, 7 have a sealing function, and the filtering medium is easily replaceable on the filter frame. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

近年、フィルタ業界においても産業廃棄物を減らし自然環境を良くし、且つコストを低減する観点から、フィルタ濾材を交換する濾材交換型空調用フィルタが採用されてきている。そこで本発明はフィルタ枠に取り替え自在になしたジグザグ状エアフィルタのフィルタ濾材に関するものである。  In recent years, in the filter industry, a filter medium replacement type air conditioning filter that replaces a filter medium has been adopted from the viewpoint of reducing industrial waste, improving the natural environment, and reducing costs. Accordingly, the present invention relates to a filter medium of a zigzag air filter that can be replaced with a filter frame.

技術背景Technical background

従来、濾材の両面あるいは片面に樹脂ビードを一定の厚さに塗布して樹脂層を形成した後樹脂層を固化して濾材の折り畳み幅を一定間隔としたジグザグ状エアフィルタについてもフィルタ濾材を取り替え自在に装着する試みがなされている。例えば、特許文献１にはプリーツ折り加工された圧縮弾性を有する濾材を長手方向に圧縮させた状態で前記濾材の幅方向両端部にテープを貼りつけ、フィルタ枠に装着後、テープを剥がして圧縮弾性による復元力でフィルタ枠両側内面にシールするようにした発明が開示されている。しかしながら、この発明では横から出し入れするタイプのフィルタ枠には適応できない上、テープを使用して濾材の形状を圧縮維持するため、テープを所定寸法及び所定位置に確実に貼り付ける必要があり、製作に工数がかかる上、時間経過によるフィルタ自身の型崩れや現場で使用するまでの形状維持が難しく実用的でなかった。  Conventionally, a filter bead is also replaced for a zigzag air filter in which a resin bead is applied to both sides or one side of a filter medium to form a resin layer, and then the resin layer is solidified so that the folding width of the filter medium is constant. Attempts have been made to install it freely. For example, in Patent Document 1, a filter medium having compression elasticity that is pleated and folded is compressed in the longitudinal direction, and a tape is applied to both ends in the width direction of the filter medium. After mounting on the filter frame, the tape is peeled off and compressed. An invention is disclosed in which the inner surface of both sides of the filter frame is sealed by elastic restoring force. However, this invention cannot be applied to the filter frame of the type that is taken in and out from the side, and since the shape of the filter medium is compressed and maintained using the tape, it is necessary to securely affix the tape at a predetermined size and a predetermined position. In addition, it takes a lot of man-hours and the shape of the filter itself is lost over time, and it is difficult to maintain the shape until it is used on site.

また、特許文献２にはプリーツ折りした濾材の表裏面に、プリーツと直行方向に延びる樹脂ビードを付着させて、プリーツの折り山間隔を保持し、エアフィルタ濾材の左右両側面間の寸法を、フィルタ枠左右の側板間の寸法よりも大きくし、このエアフィルタ用濾材の左右両側面がフィルタ枠左右の側板の内面に押圧されて、前記フィルタ枠に収納されるようにした発明が開示されているが、この発明ではエアフィルタ濾材の左右の側面のみで、エアフィルタ濾材の上下端については従来通りで何ら工夫されておらず特に横から出し入れするタイプのフィルタ枠に対しては十分でなかった。  Further, in Patent Document 2, resin beads extending in a direction perpendicular to the pleats are attached to the front and back surfaces of the filter material folded in pleats, the pleat crease spacing is maintained, and the dimension between the left and right side surfaces of the air filter media is determined. An invention is disclosed in which the size is larger than the size between the left and right side plates of the filter frame, and the left and right side surfaces of the filter material for the air filter are pressed against the inner surfaces of the left and right side plates of the filter frame to be accommodated in the filter frame. However, in the present invention, only the left and right side surfaces of the air filter medium are used, and the upper and lower ends of the air filter medium are not devised as usual, and are not sufficient particularly for a filter frame that is taken in and out from the side. .

しかしながら、いずれも濾材の折り込みと共に部分的に濾材同士を波形に形成した後、濾材外周にシール用のパッキン材を接着材で貼付しなければならなかった。この製造方法では、波形に形成後の後加工を人的作業により行なうため相応のコストが掛かってしまい。また、接着材やパッキン材を使用することは、空調用フィルタの使用材料製造のエネルギを消費し、廃棄処理に際しさらにエネルギを消費することになる等の問題があり、コスト低減にも限界があった。
特開２００４−８９７５８号公報 特開２００３−９３８２３号公報 However, in both cases, the filter media were partially formed into a corrugated shape together with the folding of the filter media, and then a sealing packing material had to be attached to the outer periphery of the filter media with an adhesive. In this manufacturing method, the post-processing after forming the waveform is performed by human work, and accordingly, a corresponding cost is required. In addition, the use of adhesives and packing materials has problems such as consuming energy for the production of materials used for air-conditioning filters, and further consuming energy during disposal, and there are limits to cost reduction. It was.
JP 2004-89758 A JP 2003-93823 A

本発明は上述の課題を解決するためのものであり、フィルタ枠に対して簡単に装着可能になすと共に、特に横から出し入れするタイプに対してもエアーリークを生じないようにした空調用フィルタ濾材を提供することを目的とする。  The present invention is intended to solve the above-described problems, and is an air-conditioning filter medium that can be easily attached to a filter frame and that does not cause air leaks, especially for a type that is taken in and out from the side. The purpose is to provide.

発明が解決するための手段Means for Solving the Invention

本発明の解決手段は濾材の両面あるいは片面に複数本の樹脂ビードを一定の厚さに塗布して樹脂層を形成した後ジグザグ状に折り畳んで樹脂層を固化して濾材の折り畳み幅を一定間隔としたジグザグ状エアフィルタにおいて、濾材の上端及び下端にそれぞれ所定幅の端部を残して樹脂ビードを施し、前記それぞれの端部にシール機能を持たせ、フィルタ枠に簡単に取り替え自在となした空調用フィルタ濾材を提供するものである。  The solution of the present invention is that a plurality of resin beads are applied to both sides or one side of a filter medium to form a resin layer, and then the resin layer is folded in a zigzag manner to solidify the resin layer and the folding width of the filter medium is set at a constant interval. In the zigzag air filter, a filter bead can be easily replaced by applying a resin bead to the upper and lower ends of the filter medium while leaving ends of a predetermined width, respectively, and providing a sealing function at each of the ends. The present invention provides a filter medium for air conditioning.

次に、空調用フィルタ濾材の製造方法を述べると、まず所定の幅に裁断された濾材の長手方向に一定間隔の折り筋を設ける。  Next, the manufacturing method of the air-conditioning filter medium will be described. First, creases at regular intervals are provided in the longitudinal direction of the filter medium cut to a predetermined width.

折リ筋をつけた濾材の上端及び下端にそれぞれ所定幅の端部を残して両面あるいは片面に所定間隔の樹脂ビードを塗布する。  A resin bead having a predetermined interval is applied to both sides or one side while leaving ends of a predetermined width at the upper end and the lower end of the filter medium with the crease.

樹脂ビードを塗布した濾材を前記折り筋に向かって押圧しジグザグ状に折り畳む。  The filter medium coated with resin beads is pressed toward the fold line and folded in a zigzag shape.

折り畳まれた濾材は両面あるいは片面に塗布された樹脂ビードによって結合され一定の間隔でジグザグ状に折り畳まれたジグザグ状エアフィルタが出来あがる。  The folded filter medium is joined by a resin bead applied on both sides or one side, and a zigzag air filter folded in a zigzag manner at a constant interval is completed.

ここで濾材の上端及び下端に形成した端部は空調用フィルタ濾材の構成上重要な部分を担うもので、すなはち濾材の上端及び下端に形成した端部は種々の材質のフィルタ枠とのエアーシール用パッキン材としての機能を担うものである。したがって濾材の上端及び下端に形成した端部の寸法はフィルタ枠の材質、構造、寸法並びに濾材自身の素材の持つ剛性により決定されるもので、フィルタ枠の材質、構造、寸法更に高い圧力損失でも変形破損しないフィルタの耐圧などの剛性も考慮した任意の寸法とする。  Here, the ends formed at the upper and lower ends of the filter medium play an important part in the structure of the air-conditioning filter medium, that is, the ends formed at the upper and lower ends of the filter medium are connected to the filter frames of various materials. It functions as an air seal packing material. Therefore, the dimensions of the edges formed at the upper and lower ends of the filter medium are determined by the material, structure and dimensions of the filter frame and the rigidity of the material of the filter medium itself. The dimensions are arbitrary considering the rigidity such as the pressure resistance of the filter without deformation and damage.

そして濾材の材質は不織布やガラス繊維、紙など、折り加工後の形状が容易に崩れない程度の伸度と強度とを兼ね備えたものであればなんでも良く、要求性能に応じ適宜選択可能である。  The material of the filter medium may be any material such as non-woven fabric, glass fiber, paper, etc. as long as it has both an elongation and strength that do not easily collapse the folded shape, and can be appropriately selected according to the required performance.

また、樹脂ビードの本数は濾材自身の素材の持つ剛性により適宜決定されるが、最低２本すなわち濾材の上端及び下端に所定幅の端部を残して樹脂ビードが施される。  The number of resin beads is appropriately determined depending on the rigidity of the material of the filter medium itself, but at least two, that is, the resin beads are applied leaving the end portions of a predetermined width at the upper and lower ends of the filter medium.

さらに、樹脂ビードの材質は合成樹脂が使用されるが製造工程中に固化させる点を考慮するとポリエステル樹脂、ポリアミド樹脂などのようなホットメルトタイプのものが好ましい。  Further, although a synthetic resin is used as the material of the resin bead, a hot-melt type material such as a polyester resin or a polyamide resin is preferable in view of solidifying during the manufacturing process.

また、上記課題解決手段による作用は次の通りである。すなわち、空調用フィルタ濾材に施した両サイドの樹脂ビードから濾材の上端及び下端までにそれぞれ所定幅の端部を形成しているので、押圧により僅かに撓む。一方、両サイドの樹脂ビードに挟まれた濾材中央部は樹脂ビードにより固定されており、形状が安定に維持されている為変形することなく、ある程度の硬度がたもたれている。このため、空調用フィルタ濾材をフィルタ枠に装着すると、濾材の端部が折れ曲がり、その反発力（弾性）によりフイルタ枠と密着しシールされる。一方前記の端部に対し空調用フィルタ濾材の左右の側面は濾材切断面が気流の一次側となるよう設置することで、濾材切断面ならびに濾材側面がフィルタ枠と接触しシールされる。これにより、空調用フィルタ濾材はフィルタ枠の全周で確実に保持されるので、空調用フィルタ濾材がフィルタ枠からずれたり、外れたりすることがなく、気密性が向上すると共に保持が確実となる。さらに、自動車などの車両の揺れや衝撃又は外的な力や振動などによってもフィルタ濾材がフィルタ枠からずれたり外れたりすることのない空調用フィルタ濾材が得られる。    The operation of the problem solving means is as follows. That is, since the end portions of a predetermined width are formed from the resin beads on both sides to the filter medium for air conditioning to the upper end and the lower end of the filter medium, they are slightly bent by pressing. On the other hand, the central part of the filter medium sandwiched between the resin beads on both sides is fixed by the resin beads, and since the shape is stably maintained, it has a certain degree of hardness without being deformed. For this reason, when the air-conditioning filter medium is attached to the filter frame, the end of the filter medium is bent, and the repulsive force (elasticity) closely adheres to the filter frame and is sealed. On the other hand, the left and right side surfaces of the air-conditioning filter medium are installed so that the filter medium cutting surface is the primary side of the air flow with respect to the end portion, so that the filter medium cutting surface and the filter medium side surface are in contact with the filter frame and sealed. As a result, the air-conditioning filter medium is reliably held all around the filter frame, so that the air-conditioning filter medium is not displaced from or detached from the filter frame, improving airtightness and ensuring holding. . Furthermore, the air-conditioning filter medium can be obtained in which the filter medium is not displaced or detached from the filter frame even when the vehicle such as an automobile is shaken or shocked, or by external force or vibration.

発明の効果The invention's effect

上述したように、本発明の空調用フィルタ濾材は次のような効果が得られる。
（１）濾材の上端及び下端の端部にフィルタ枠とのエアーシール用パッキン材としての機能をもたせたので、取り付け取り外しが簡単で気密性を向上させるという効果を持つものである。
（２）濾材と樹脂ビードの２種類の材料からのみで空調用フィルタ濾材を構成したので、部品点数の低減が図られ製造エネルギや産廃量の低減にもつながるものである。
（３）空調用フィルタ濾材の構成部品点数を最少に抑え製品化までの人的作業を排除することで安価な空調用フィルタ濾材を提供するものである。
（４）空調用フィルタ濾材は、不織布などの濾材と、濾材を要求形状に保持する接着材であるメルト樹脂からなり、濾材の周囲にエアーシール用のパッキン材を必要としない。
（５）製品化までの人的工程が殆どないため、極めて安価且つ全自動化ラインの自動化率をほぼ１００％に出来るので安価な空調用フィルタ濾材を提供可能とした。
（６）使用材料を低減できるため製造及び廃棄に要する消費エネルギを最低限とすることを可能とした。As described above, the air-conditioning filter medium of the present invention has the following effects.
(1) Since the function as an air seal packing material with the filter frame is provided at the upper end and the lower end of the filter medium, it has the effect of being easy to attach and remove and improving the airtightness.
(2) Since the air-conditioning filter medium is composed of only two types of materials, that is, the filter medium and the resin beads, the number of parts can be reduced, leading to reduction in manufacturing energy and industrial waste.
(3) An inexpensive air-conditioning filter medium is provided by minimizing the number of components of the air-conditioning filter medium and eliminating human work until commercialization.
(4) The air-conditioning filter medium is made of a filter medium such as a nonwoven fabric and a melt resin that is an adhesive that holds the filter medium in a required shape, and does not require an air seal packing material around the filter medium.
(5) Since there are almost no human steps to commercialization, the automation rate of the fully automated line can be made almost 100%, so that an inexpensive air-conditioning filter medium can be provided.
(6) Since the materials used can be reduced, it is possible to minimize the energy consumption required for production and disposal.

発明の実施するための最良の形態BEST MODE FOR CARRYING OUT THE INVENTION

以下、本発明の実施形態に係る空調用フィルタ濾材を添付図面に基づいて説明する。
（第１実施形態）
本実施形態では、図１について説明する。１は空調用フィルタ濾材で一定の間隔でジグザグ状に折り畳まれた濾材２と樹脂ビード３、３’、３”とから構成されている。濾材２は一定間隔で折り畳まれているので、濾材２の一方から入った空気は濾材２の他方の側から排出されるようになっている。濾材２の両面にはそれぞれ濾材２間の間隙保持部材となる樹脂ビード３、３’、３”が同一対称で塗布形成されている。そして同一対称で塗布された樹脂ビード３、３’、３”の頂部同士が固化結合し気流の流れに対して隣接する濾材２同士がくっ付きあって気流の流れを阻害しないようになっている。両サイドの樹脂ビード３’、３”から濾材の上端及び下端までにはそれぞれ所定幅の端部６、７が形成され、その寸法はフィルタ枠の材質、構造、寸法並びに濾材自身の素材の持つ剛性により決定されるが、少なくともフィルタ枠の上下寸法より若干長めになっていHereinafter, an air-conditioning filter medium according to an embodiment of the present invention will be described with reference to the accompanying drawings.
(First embodiment)
In the present embodiment, FIG. 1 will be described. Reference numeral 1 denotes a filter medium for air conditioning, which is composed of a filter medium 2 folded in a zigzag shape at regular intervals and resin beads 3, 3 ′, 3 ″. Since the filter medium 2 is folded at regular intervals, the filter medium 2 The air that has entered from one side of the filter medium 2 is discharged from the other side of the filter medium 2. The resin beads 3, 3 ', and 3 "that serve as gap holding members between the filter medium 2 are the same on both sides of the filter medium 2. It is applied symmetrically. The tops of the resin beads 3, 3 ′, 3 ″ applied in the same symmetry are solidified and bonded so that adjacent filter media 2 adhere to the flow of the air flow so that the flow of the air flow is not hindered. Ends 6 and 7 having a predetermined width are formed from the resin beads 3 'and 3 "on both sides to the upper and lower ends of the filter medium, respectively, and the dimensions thereof are the material of the filter frame, the structure and dimensions, and the material of the filter medium itself. Although it is determined by the rigidity of the filter, it is at least slightly longer than the vertical dimension of the filter frame.

る。図２はフィルタ枠８に空調用フィルタ濾材１をセットした状態を示す一部破断したところを示す図で、空調用フィルタ濾材１を持ち、フィルタ枠８の片側開口面よりフィルタ枠８内に挿入する、この時、濾材の端部６，７はフィルタ枠８上下内面に僅かに撓みながら折れ曲がり、その反発力（弾性）によりフィルタ枠８内面と密着シールされる。一方濾材２の両側端９、１０はある程度の硬度を有しているのでフィルタ枠８の両側板によって押圧され密着シールされる。The FIG. 2 is a partially broken view showing a state in which the air-conditioning filter medium 1 is set in the filter frame 8. The air-conditioning filter medium 1 is held and inserted into the filter frame 8 from one side opening surface of the filter frame 8. At this time, the end portions 6 and 7 of the filter medium are bent while being slightly bent on the upper and lower inner surfaces of the filter frame 8, and are tightly sealed to the inner surface of the filter frame 8 by the repulsive force (elasticity). On the other hand, since both side ends 9 and 10 of the filter medium 2 have a certain degree of hardness, they are pressed and sealed tightly by both side plates of the filter frame 8.

その際には、空調用フィルタ濾材１はフィルタ枠８の両面全周に形成した縁１１によって抑止されるので、車両用フィルタの場合は使用中に車体の揺れや衝撃を受けたとしても空調用フィルタ濾材１はフィルタ枠８からずれ出たり外れたりすることはない。  In that case, since the air-conditioning filter medium 1 is restrained by the edges 11 formed on both sides of the filter frame 8, in the case of a vehicle filter, even if the vehicle body is shaken or shocked during use, it is used for air-conditioning. The filter medium 1 does not slip out or come off the filter frame 8.

また、所定の使用期間が経過した際にはフィルタ枠８から空調用フィルタ濾材１を取り出し、清掃するかまたは新しいものと交換し、再び使用に供される。このように容易に取り替え自在に出来るものである。  Further, when a predetermined period of use has elapsed, the air-conditioning filter medium 1 is taken out from the filter frame 8 and cleaned or replaced with a new one, and used again. Thus, it can be easily replaced.

（第２実施形態）
本実施形態では、図３について説明する。図３はもう一つのフィルタ枠１２を使用したもので、気流の二次側からみた図である。この場合は空調用フィルタ濾材１をフィルタ枠１２の開口面より濾材１の両側面を手で押圧して変形した状態でフィルタ枠１２に挿入して装着する。この際、濾材の端部６、７は折れ曲がり、その反発力（弾性）によりフィルタ枠と密着シールする。一方、濾材の左右の側面は元の形状に復元するのでフィルタ枠の両側面に圧着した状態でシールされる。これにより、濾材をフィルタ枠全周で確実に保持でき、濾材がフィルタ枠からずれたり、外れたりすることがなく、気密性が向上すると共に保持が確実になる。さらに、自動車などの車両の揺れや衝撃又は外的な力や振動などによっても濾材がフィルタ枠からずれたり外れたりすることのない空調用フィルタ濾材がえられる。(Second Embodiment)
In the present embodiment, FIG. 3 will be described. FIG. 3 is a view from the secondary side of the airflow, using another filter frame 12. In this case, the air-conditioning filter medium 1 is inserted and attached to the filter frame 12 in a deformed state by pressing both sides of the filter medium 1 by hand from the opening surface of the filter frame 12. At this time, the end portions 6 and 7 of the filter medium are bent and tightly sealed with the filter frame by the repulsive force (elasticity). On the other hand, the left and right side surfaces of the filter medium are restored to the original shape and are sealed in a state where they are pressed against both side surfaces of the filter frame. As a result, the filter medium can be reliably held around the entire circumference of the filter frame, and the filter medium will not be displaced or detached from the filter frame, thereby improving airtightness and ensuring holding. Furthermore, a filter medium for air conditioning can be obtained in which the filter medium is not displaced or detached from the filter frame even by shaking or shock of a vehicle such as an automobile or external force or vibration.

尚、上記実施形態では１実施例を述べただけで、種々変更しても何ら本発明の要旨を変更するものではない。In the above-described embodiment, only one example has been described, and the gist of the present invention is not changed even if various changes are made.

本発明は、フィルタ枠に簡単に取り替え自在としながら、高い気密性を持たせたもので、濾材交換型一般空調用のフィルタ濾材としても最適であるが、特に、揺れや、衝撃または対外的な力や振動を受け易い自動車など車両の空調フィルタの交換用フィルタ濾材としても最適なものである。The present invention can be easily replaced with a filter frame and has high airtightness, and is optimal as a filter medium for filter medium exchange type general air conditioning. It is also optimal as a filter medium for replacement of air conditioning filters for vehicles such as automobiles that are susceptible to force and vibration.

本発明の１実施例を示す空調用フィルタ濾材の斜視図である。It is a perspective view of the filter medium for an air conditioning which shows one Example of this invention. 空調用フィルタ濾材をフィルタ枠に装着した状態を示したもので、一部破断した図である。It is the figure which showed the state which mounted | wore the filter frame with the filter medium for an air conditioning, and is a partially broken figure. もう１つのフィルタ枠に空調用フィルタ濾材を装着した状態を示した図で気流の二次側からみたものである。It is the figure which showed the state which attached the filter medium for an air conditioning to another filter frame, and was seen from the secondary side of airflow.

符号の説明Explanation of symbols

１・・・空調用フィルタ濾材 ２・・・濾材
３、３’、３”・・・樹脂ビード ６、７・・・端部DESCRIPTION OF SYMBOLS 1 ... Filter medium for air conditioning 2 ... Filter medium 3, 3 ', 3 "... Resin bead 6, 7 ... End

Claims (2)

濾材の両面あるいは片面に複数本の樹脂ビードを一定の厚さに塗布して樹脂層を形成した後、この濾材をジグザグ状に折り畳んで樹脂層を固化してなるエアフィルタにおいて、濾材の上端及び下端にそれぞれ所定幅の端部を残して樹脂ビードを施し、前記それぞれの端部にシール機能を持たせ、フィルタ枠に簡単に取り替え自在になした空調用フィルタ濾材。  In an air filter formed by applying a plurality of resin beads on both sides or one side of a filter medium to form a resin layer to form a resin layer, the filter medium is folded in a zigzag shape to solidify the resin layer. A filter medium for air conditioning in which a resin bead is applied to each lower end while leaving an end portion of a predetermined width so that each end portion has a sealing function and can be easily replaced with a filter frame. 前記濾材の上下寸法をフィルタ枠の上下寸法よりも若干長めにしたことを特徴とする請求項１記載の空調用フィルタ濾材。2. A filter medium for air conditioning according to claim 1, wherein the vertical dimension of the filter medium is slightly longer than the vertical dimension of the filter frame.
JP2004251117A 2004-08-04 2004-08-04 Air conditioning filtering medium Pending JP2006043669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004251117A JP2006043669A (en) 2004-08-04 2004-08-04 Air conditioning filtering medium

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013503735A (en) * 2009-09-07 2013-02-04 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 for fluid filtration
CN105377399A (en) * 2013-08-21 2016-03-02 日东电工株式会社 Filter medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013503735A (en) * 2009-09-07 2013-02-04 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 for fluid filtration
CN105377399A (en) * 2013-08-21 2016-03-02 日东电工株式会社 Filter medium
KR20160043951A (en) * 2013-08-21 2016-04-22 닛토덴코 가부시키가이샤 Filter medium
KR102214735B1 (en) 2013-08-21 2021-02-10 닛토덴코 가부시키가이샤 Filter medium

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