CN203634963U - Filter material of filter and device for manufacturing filter material of filter - Google Patents
Filter material of filter and device for manufacturing filter material of filter Download PDFInfo
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- CN203634963U CN203634963U CN201320789301.8U CN201320789301U CN203634963U CN 203634963 U CN203634963 U CN 203634963U CN 201320789301 U CN201320789301 U CN 201320789301U CN 203634963 U CN203634963 U CN 203634963U
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Abstract
The utility model aims to provide a filter material of a filter and a device for manufacturing the filter material of the filter. When the filter material of the filter is manufactured, the reduction of air permeability of a porous layer is inhibited, and the pressure loss can be reduced. The filter material of the filter is characterized by comprising a bending part and a flat plate part, wherein the bending part is formed by bending a raw filter material along the same direction; the flat plate part is formed that areas of the raw filter material, except the bending part, are designed into a plate shape; at least one part of an adhesive part formed by adhering the porous layer and a base material layer is formed on the inner side of the bending part; a non-adhesive layer in which the porous layer and the base material layer are not adhered is formed on the flat plate part.
Description
Technical field
The utility model relates to the filter filtration material and the manufacturing installation thereof that are filtered the contained particle of gas for trapping, particularly relates to a kind of to comprising that the porous layer for trapping this particle carries out with the former material of filter material of the substrate layer that is bonded in this porous layer the filter filtration material that pleat mace processes.
Background technology
All the time, as the filter filtration material of use in the dust free room etc. of factory of manufacturing semiconductor, liquid crystal, be known to comprise for trap be filtered the contained particle of gas porous layer (for example, the porous layer being formed by polytetrafluoroethylene (PTFE) etc.) and the former material of filter material that is bonded in the substrate layer (for example, nonwoven etc.) at least one face of this porous layer carry out the filter filtration material that pleat mace processes.
As the method for bonding porous layer and substrate layer, for example, be known to porous layer and substrate layer to carry out the method for heat lamination.Specifically, be known to by have that substrate layer that thermoplastic raw material form heats under this substrate layer and the stacked state of porous layer and to porous layer and substrate layer carry out crimping method, heated under the state of this substrate layer this substrate layer and porous layer is stacked and the method (with reference to patent documentation 1 and patent documentation 2) of carrying out crimping.In above-mentioned method, a part for the substrate layer having softened enters in the hole of porous layer, thereby utilizes the anchoring effect porous layer and substrate layer are glued together.
Patent documentation 1: TOHKEMY 2004-990 communique
Patent documentation 2: TOHKEMY 2009-101254 communique
But as mentioned above, in the situation that coming bonding porous layer and substrate layer by heat lamination, a part for the substrate layer having softened enters in the hole of porous layer, the therefore gas permeability of porous layer reduction, become the filter filtration material that the pressure loss is higher.
Utility model content
Therefore, problem of the present utility model is to provide the reduction of the gas permeability by suppress porous layer in the time manufacturing filter filtration material and can makes filter filtration material that the pressure loss is lower and the manufacturing installation of this filter filtration material.
Filter filtration material of the present utility model forms by making the former material of filter material be formed as folded shape in the bending of multiple positions, the former material of this filter material comprises porous layer and substrate layer, this porous layer is filtered the contained particle of gas for trapping, this substrate layer is bonded at least one face of this porous layer, this filter filtration material is characterised in that, this filter filtration material comprises: bend, and it forms along a direction by making the former material bending of above-mentioned filter material; And flat part, it is that the region except bend by making the former material of filter material is formed as tabular forming, be formed with at least a portion of porous layer and the bonding bonding part forming of substrate layer in the inner side of bend, and be formed with porous layer and the not bonding non-bonding part of substrate layer at flat part.
Adopt this structure, in the time that the former material of filter material is bent into folded shape (following, to be also denoted as " processing of pleat mace "), can prevent that porous layer and substrate layer from relatively misplacing.Specifically, added man-hour at the former material of filter material by pleat mace, the region that becomes bend with respect to the former material of filter material is (following, also be denoted as bending presumptive area), on porous layer and substrate layer relatively misplace the such direction direction of the opposite face between porous layer and substrate layer (specifically, along), apply strong.
But, by the inner side at bend (, the inner side of the bending area of the former material of filter material) be formed with at least a portion of bonding part, thus added man-hour at the former material of filter material by pleat mace, in bending presumptive area, can fix the relative position relation between porous layer and substrate layer.Therefore,, even if make such power of the relative position generation skew between porous layer and substrate layer put on the bending presumptive area of the former material of filter material, also can prevent that porous layer and substrate layer from relatively misplacing.
In addition, by form non-bonding part at flat part, thereby be formed with the situation of bonding part at whole flat part compared with, can obtain the filter filtration material that the pressure loss is lower.Specifically, in non-bonding part, due to porous layer and substrate layer not bonding, therefore a part for substrate layer can not enter in the hole of porous layer and the Kong Buhui that stops up this hole or porous layer is used to the bonding agent of bonding porous layer and substrate layer and stops up.Therefore, the gas permeability of the gas permeability specific adhesion portion of non-bonding part is high.In addition, mainly see through the flat part of the former material of filter material by the gas that is filtered of filter filtration material.Therefore,, by form non-bonding part at flat part, with form the situation of bonding part at whole flat part compared with, the gas permeability of filter filtration material uprises, and becomes the filter filtration material that the pressure loss is lower.
Preferably, above-mentioned bonding part is formed as band shape along above-mentioned bend, and bend is formed at the inner side of the width of this bonding part.
Adopt this structure, in the time making the former material of filter material be bent into folded shape, because the inner side of the width at bonding part is formed with bending presumptive area, therefore, even from the position skew of expecting, the former material of filter material is also bending reliably in the inner side of bonding part in bending presumptive area.Therefore, at least a portion of bonding part can be formed at reliably to the inner side of bend.
Preferably, this filter filtration material also has the interval maintaining part for keeping adjacent bend interval each other, this interval maintaining part in the time that the former material of filter material is bent into folded shape, be adhered to the region corresponding with above-mentioned bonding part in relative a pair of opposite face inner side and by connected to each other a pair of opposite face.
Adopt this structure, even along having elongated in situation about using under the state of filter filtration material with the orthogonal direction of bend (following, to be also denoted as and to elongate direction), also can prevent porous layer and substrate layer local detachment.Specifically, in the time that the former material of filter material is bent into folded shape, it is (following that interval maintaining part is adhered to relative a pair of opposite face, also be denoted as filter material opposite face) and by connected to each other a pair of filter material opposite face, thereby form interval maintaining part connected to each other the filter material opposite face of a face side of the former material of filter material (following, also be denoted as a face side interval maintaining part) and by interval maintaining part connected to each other the filter material opposite face of another face side of the former material of filter material (following, to be also denoted as another face side interval maintaining part).
Therefore,, if elongate filter filtration material to elongating direction, a face side interval maintaining part and another face side interval maintaining part are pulled open along elongating direction.Now, in the region between a face side interval maintaining part and another face side interval maintaining part of the former material of filter material, a face side is stretched by a face side interval maintaining part, and another face side is stretched by another face side interval maintaining part.Therefore,, for such power of pulling open between porous layer and substrate layer is put on to the former material of filter material, likely between porous layer and substrate layer, form space.
But, be adhered to the inner side in the region corresponding with bonding part in each filter material opposite face by interval maintaining part, thereby be formed with bonding part around the maintaining part of interval, therefore, along elongating direction while separating, also can utilize the bonding part of the surrounding of each interval maintaining part to maintain porous layer between a face side interval maintaining part and another face side interval maintaining part and the tacky state between substrate layer in a face side interval maintaining part and another face side interval maintaining part.Thus, can prevent the situation that porous layer and substrate layer are opened, can be suppressed at and between porous layer and substrate layer, form space and situation that the pressure loss of filter filtration material increases.
The manufacturing installation of filter filtration material of the present utility model forms filter filtration material by making the former material of filter material be formed as folded shape in the bending of multiple positions, the former material of this filter material is to form by substrate layer being bonded at least one face for trapping the porous layer that is filtered the contained particle of gas, the manufacturing installation of this filter filtration material is characterised in that, while forming bend making the former material bending of above-mentioned filter material along a direction, the mode that is positioned at the inner side of bend with at least a portion of above-mentioned porous layer and the bonding bonding part of substrate layer forms bend, and form flat part with porous layer and the not bonding non-bond site of substrate layer in the mode of flat part, this flat part is by the region except bend of the former material of filter material is formed as to tabular forming.
As mentioned above, adopt the utility model, reduce and can make the pressure loss lower by suppress the gas permeability of porous layer in the time manufacturing filter filtration material.
Accompanying drawing explanation
Fig. 1 is the stereogram that represents the filter filtration material of present embodiment.
Fig. 2 is stereogram and the local amplification view that is illustrated in the former material of filter material using in the filter filtration material of present embodiment.
Fig. 3 is cutaway view and the local amplification view of the filter filtration material of present embodiment.
Fig. 4 is the partial sectional view of the filter filtration material of present embodiment.
(a) of Fig. 5 is the stereogram that represents the former material of filter material of the filter filtration material that forms other embodiments, and (b) of Fig. 5 is the cutaway view that represents the interval maintaining part of the filter filtration material of another other embodiments.
Description of reference numerals
1, filter filtration material; 1a, bend; 1b, flat part; 1c, filter material opposite face; 2, the former material of filter material; 2a, porous layer; 2b, substrate layer; 2c, bonding part; 2d, non-bonding part; 3, interval maintaining part; 3a, flank; A1, adhesion area; A2, bending presumptive area.
The specific embodiment
Below, with reference to Fig. 1～Fig. 4, embodiment of the present utility model is described.In addition, in the following drawings to identical or suitable part mark identical no longer repeat its explanation with reference to Reference numeral.
As shown in Figure 1, the filter filtration material 1 of present embodiment is that can to trap the former material 2 of filter material that is filtered the contained particle of gas bending and be formed as folded shape (following, to be also denoted as the processing of pleat mace) and form at multiple positions by making to be configured to.Thus, in filter filtration material 1, be formed with by making the former material of filter material 2 bend 1a bending and that form along a direction and by the region except this bend 1a is formed as to the tabular flat part 1b(forming specifically the flat position between bend 1a, 1a).
In addition, filter filtration material 1 also has the interval maintaining part 3 for keeping the interval between adjacent bend 1a, 1a.When being configured in the former material 2 of filter material and being bent into folded shape, this interval maintaining part 3 between relative a pair of opposite face (following, to be also denoted as filter material opposite face) 1c, 1c, is adhered to each filter material opposite face 1c, 1c.Thus, a pair of filter material opposite face 1c, 1c are connected by interval maintaining part 3 each other.
In the present embodiment, interval maintaining part 3 is rib (bead) 3a of portion by adhesive-applying on the each filter material opposite face in a pair of filter material opposite face 1c, 1c is formed, 3a is connected to each other forms.Specifically, be wire adhesive-applying and form flank 3a in the mode of the side, peak of transversal each bend 1a.Then,, by by connected to each other the position between a pair of filter material opposite face 1c, 1c in adjacent flank 3a, form interval maintaining part 3.As the bonding agent for forming flank 3a, be not particularly limited, for example can use PUR.As the thickness of flank 3a, can suitably set according to the interval between each bend 1a expecting.
In addition, interval maintaining part 3 is formed with multiple (being in the present embodiment 3) on the bearing of trend (length direction) of each bend 1a spaced apartly.Specifically, to be formed with spaced apart on length directions in two adjacent bend 1a, 1a, a bend 1a that the corresponding mode of multiple each flank 3a is spaced apart on the length direction of another bend 1a forms multiple flank 3a, thereby by connected to each other to adjacent flank 3a, 3a, on the length direction of each bend 1a, form multiple intervals maintaining part 3 spaced apartly.
As shown in Figure 2, the former material 2 of above-mentioned filter material is formed as another direction orthogonal with an above-mentioned direction (bearing of trend of bend 1a) becomes length direction.In addition, the former material 2 of filter material is configured to along a direction (width) and is formed with multiple bend 1a in the bending of multiple positions.In addition, the former material 2 of filter material both can be formed as strip and be configured to by becoming sheet from the state uncoiling of reeling, and also can be formed as the monolithic body shape of the length of regulation.
In addition, the former material 2 of filter material comprises for trapping and is filtered the porous layer 2a of the contained particle of gas and has gas permeability and be laminated in the substrate layer 2b at least one face of this porous layer 2a.In the present embodiment, adhesive substrate layer 2b and form the former material 2 of filter material on a face of porous layer 2a.
The sheet material (following, to be also denoted as Porous sheet) that use can trap the Porous of above-mentioned particle forms above-mentioned porous layer 2a.As this Porous sheet, be not particularly limited, can suitably select according to the purposes of filter filtration material 1.For example can use the PTFE sheet that polytetrafluoroethylene (PTFE) is formed as to sheet.As the method that forms this PTFE sheet, for example, can adopt following method.
Specifically, to adding aqueous lubricant in PTFE fine powder and form the mixture of paste.As aqueous lubricant, be not particularly limited, as long as giving to mixture surface the aqueous lubricant of appropriate wetability, if aqueous lubricant can utilize extraction process, heat treated and be removed, particularly preferably.For example, hydrocarbon such as fluid paraffin wax, naphtha, white oil etc. can be used as aqueous lubricant.As the addition of aqueous lubricant, be not particularly limited, for example, preferably, be 5 weight portion～50 weight portions with respect to PTFE fine powder 100 weight portions.
Then, said mixture is carried out to preform and shaping preform.Under the pressure of the degree that preferably can not separate from mixture at aqueous lubricant, carry out preform.Then, by obtain preform carry out extrusion molding, roll forming is configured as sheet.Afterwards, by the formed body obtaining is carried out to uniaxial tension or biaxial stretch-formed its porous materialization that makes, to be formed as PTFE sheet.In addition, as stretching condition, be not particularly limited, for example, preferably, under the temperature environment of 30 ℃～400 ℃, stretching ratio is 1.5 times～200 times, each axle.In addition, the in the situation that of firing processing in stretching process, preferably after stretching process, with temperature more than melting point, PTFE sheet is fired.
The sheet material (following, to be also denoted as gas permeability sheet) that use has gas permeability forms above-mentioned substrate layer 2b.As gas permeability sheet, be not particularly limited, for example, can use nonwoven, weave cotton cloth, screen cloth etc.Particularly make porous layer 2a(Porous synusia) with substrate layer 2b(gas permeability sheet) thermal welding (heat lamination) in the situation that, preferably use the gas permeability sheet forming by thering are thermoplastic raw material.For example, can use the composite etc. of the synthetic fibers such as polyolefin (polyethylene, polypropylene etc.), polyamide, polyester, aromatic polyamide, acrylic acid, polyimides, above-mentioned synthetic fibers.In addition, if gas permeability sheet is made up of a kind of composition, likely gas permeability sheet is integrally fused and become the form that can not keep as substrate layer 2b, therefore, preferably uses to have the gas permeability sheet of two kinds of poor compositions of fusing point as raw material.For example, can be by core sheath fiber, the blending nonwoven of PP/PE etc. of PET/PE as gas permeability sheet.
The former material 2 of filter material forms by the bonding porous layer 2a in part and substrate layer 2b., the former material 2 of filter material comprise by bonding part 2c bonding a part of a part of porous layer 2a and substrate layer 2b and that form and except this bonding part 2c the non-bonding part 2d of (part that porous layer 2a and substrate layer 2b are not bonding).And, in bonding part 2c, be formed with the face of the face-off mutually of porous layer 2a and the substrate layer 2b bonding region forming (following, to be also denoted as adhesion area) A1 each other.
Bonding part 2c and adhesion area A1 form along the width (being in the present embodiment banded) of the former material 2 of filter material.And bonding part 2c and adhesion area A1 form continuously across the ground, roughly whole region of the width of the former material 2 of filter material.In addition, bonding part 2c and adhesion area A1 along the length direction of the former material 2 of filter material spaced apart be formed with multiple.Specifically, bonding part 2c and adhesion area A1 are formed at the region that is added bending in man-hour by pleat mace at the former material 2 of filter material (following, also be denoted as bending presumptive area) the corresponding position of A2 (in more detail, bending presumptive area A2 is positioned at the inner side of bonding part 2c)., the width of bonding part 2c and adhesion area A1 forms widelyr than the width of bending presumptive area A2.Thus, added man-hour at the former material 2 of filter material by pleat mace, the former material 2 of filter material is bending reliably in the inner side of each bonding part 2c.
And, between adjacent bonding part 2c, 2c, be formed with non-bonding part 2d.In this non-bonding part 2d, porous layer 2a and substrate layer 2b are stacked with closely sealed state.In addition, non-bonding part 2d is configured to becomes flat part 1b in the time that the former material 2 of filter material is formed as folded shape.
As the method that forms the former material 2 of filter material as above, be not particularly limited, for example, can adopt and be used to form the Porous sheet of porous layer 2a and be used to form the method that configures bonding agent crimping Porous sheet and the gas permeability sheet of PUR, pressure sensitive between the gas permeability sheet of substrate layer 2b.Or, can adopt gas permeability sheet is heated and makes it softening and carry out the method for crimping (in other words, heat lamination) with Porous sheet.
As the method for crimping Porous sheet and gas permeability sheet, be not particularly limited, for example, can adopt between pair of rolls member (not shown) laminated porous with gas permeability sheet and carry, the method for crimping Porous sheet and gas permeability sheet continuously.Or, also can adopt between a pair of plate (not shown) with the Porous sheet of stacked state configuration monolithic body shape and gas permeability sheet the method for carrying out intermittently crimping by each monolithic body.
In the time using pair of rolls member to carry out heat lamination, use by surface temperature and be set to the hot-rolling of melting temperature of gas permeability sheet and pair of rolls member Porous sheet and gas permeability sheet being formed with the backing roll of stacked state support from below.Thus, in the time of crimping Porous sheet and gas permeability sheet, gas permeability sheet softens and enters in the hole of Porous sheet, utilizes anchoring effect by bonding and form bonding part 2c and adhesion area A1 to Porous sheet and gas permeability sheet.
In addition, as spaced apart the method that forms bonding part 2c and adhesion area A1 on the length direction at the former material 2 of filter material, be not particularly limited, for example, can be configured to surface at hot-rolling along convex shaped part being axially set and crimping Porous sheet and gas permeability sheet between this convex shaped part and another roller component.Thus, the position only contacting with the convex shaped part of hot-rolling at gas permeability sheet makes gas permeability sheet softening and by Porous sheet and gas permeability sheet heat lamination.Therefore, on the length direction of the former material 2 of filter material, form bonding part 2c and adhesion area A1 spaced apartly.
Carry out the processing of pleat mace by the former material 2 of filter material that makes to form as described above in each bending presumptive area A2 bending, thereby form multiple bend 1a and multiple flat part 1b.And, by forming each other interval maintaining part 3 at each filter material opposite face 1c, 1c, thereby form as shown in Figure 3 filter filtration material 1.This filter filtration material 1 is formed with each adhesion area of each bonding part 2c(A1 in the inner side (, the inner side in the bending region of the former material 1 of filter material) of each bend 1a) at least a portion.In addition, substantial middle portion and the bend 1a of the substantial middle portion of the width of bonding part 2c and the width of adhesion area A1 are overlapping, and the both ends of the width of the both ends of the width of bonding part 2c and adhesion area A1 and flat part 1b, 1b overlapping.
In addition, interval maintaining part 3 is by will be to cross bend 1a(, bending presumptive area A2) mode flank 3a, the 3a knot connected with each other that is formed as wire form.Specifically, by by connected to each other the position between a pair of filter material opposite face 1c, 1c in flank 3a, thereby form interval maintaining part 3.In the present embodiment, the side, peak of bend 1a is by the local covering of flank 3a.Shape that thus, can keep bend 1a and the part overlapping position of flank 3a.For example, the PUR that forms flank 3a by being used in solidifies, thereby flank 3a is remained to the shape matching with bend 1a.Thus, utilize flank 3a to keep the shape of bend 1a.In addition, the part connected to each other in interval maintaining part 3( flank 3a, 3a) be adhered in each filter material opposite face 1c with bonding part 2c(adhesion area A1) inner side in corresponding region.Thus, adjacent filter material opposite face 1c, 1c are connected across interval maintaining part 3 each other, and keep adjacent bend 1a, 1a interval each other.
The filter filtration material 1 with said structure is configured and is used with the mode that the flow direction that is filtered gas intersects with flat part 1b.Thus, be filtered gas and mainly see through flat part 1b., in the present embodiment, be filtered gas and mainly see through the region except bonding part 2c in filter filtration material.
In addition, the filter filtration material 1 that has a said structure also can be used with the state that is formed as in profile (shape of seeing from bend 1a side) being contained in framework (not shown) after the shape of regulation.As the shape of this framework, as long as holding the shape of filter filtration material 1, just without particular limitation of, for example, can enumerate the round-shaped framework etc. of the inside dimension internal diameter that to be that 1180mm × 1180mm, external dimensions are that 1220mm × 1220mm, thickness are 75mm rectangular-shaped, to have regulation.In addition, as the material of framework, be not particularly limited, can use the framework of aluminum.Between filter filtration material 1 and framework, be filled with caulking agent.As this caulking agent, for example, can use two pendular ring oxygen caulking agents (specifically, Henkel Corp. manufactures, the two pendular ring oxygen caulking agents that Macroplast8104MC-18 and Macroplast UK5400 are mixed with the ratio of 3:1).
As mentioned above, adopt filter filtration material of the present utility model and manufacturing installation thereof, reduce by the gas permeability that suppresses porous layer in the time manufacturing filter filtration material, can make the pressure loss lower.
, above-mentioned filter filtration material 1 is added and can prevent that porous layer 2a and substrate layer 2b from relatively misplacing man-hour by pleat mace at the former material 2 of filter material.Specifically, added man-hour at the former material 2 of filter material by pleat mace, for the bending presumptive area A2 of the former material 2 of filter material, can apply power along such direction that relatively the misplaces direction of the opposite face of porous layer 2a and substrate layer 2b (specifically, along) at porous layer 2a and substrate layer 2b.
But, inner side by least a portion of bonding part 2c being formed to bend 1a (, the inner side in the bending region of the former material 2 of filter material), thereby added man-hour at the former material 2 of filter material by pleat mace, in bending presumptive area A2, can fix the relative position relation between porous layer 2a and substrate layer 2b.Therefore,, even the bending presumptive area A2 in the former material 2 of filter material is applied and makes to produce such power that relatively misplaces between porous layer 2a and substrate layer 2b, also can prevent that porous layer 2a and substrate layer 2b from relatively misplacing.
In addition, by form non-bonding part 2d at flat part 1b, with form the situation of bonding part 2c at whole flat part 1b compared with, can obtain the filter filtration material 1 that the pressure loss is lower.Specifically, in non-bonding part 2d, due to porous layer 2a and substrate layer 2b not bonding, therefore, a part of substrate layer 2b can not enter in the hole of porous layer 2a and the Kong Buhui that stops up this hole or porous layer 2a is used to the bonding agent of bonding porous layer 2a and substrate layer 2b and stops up.Therefore, the gas permeability of the gas permeability specific adhesion 2c of portion of non-bonding part 2d is high.In addition, mainly see through the flat part 1b of the former material 2 of filter material by the gas that is filtered of filter filtration material 1.Therefore, by form non-bonding part 2d at flat part 1b, thereby with form the situation of bonding part 2c at whole flat part 1b compared with, the gas permeability of filter filtration material 1 uprises, and can obtain the filter filtration material 1 that the pressure loss is lower.The mensuration of the pressure loss can be used MANOSTAR difference gauge (minimum scale: 1.0Pa) or electric differential pressure gauge (precision: 1.0Pa) to carry out.
In addition, in the time making the former material 2 of filter material be bent into folded shape, because the inner side of the width at bonding part 2c is formed with bending presumptive area A2, therefore, even from the position skew of expecting, also can make reliably the inside bend of the former material 2 of filter material at bonding part 2c at bending presumptive area A2.Therefore, at least a portion of bonding part 2c can be formed at reliably to the inner side (, the inner side in the bending region of the former material 2 of filter material) of bend 1a.
In addition, by bonding part 2c being formed to the bend 1a of the former material 2 of filter material, thereby can suppress to become the situation of the filter filtration material lower because of the impact gas permeability of bonding part 2c.Specifically, in bonding part 2c, gas permeability reduces as described above, but in bend 1a, owing to becoming the state of former material 2 bendings of filter material, therefore, the gas permeability of gas permeability and flat part 1b is low.That is, by forming the lower bonding part 2c of gas permeability in original gas permeability compared with the low bend 1a that is difficult to play a role as filter material, thus the situation that the gas permeability of the flat part 1b that can suppress effectively to play a role as filter material reduces because of bonding part 2c.
In addition, by interval maintaining part 3 being adhered to the inner side in the region corresponding with bonding part 2c in each filter material opposite face 1c, thereby in the region between a face side interval maintaining part 3 and another face side interval maintaining part 3 of flat part 1b, be formed with a part of bonding part 2c.Therefore, in the time that a face side interval maintaining part 3 is separated to the direction of arrow X and arrow Y along elongation direction with another face side interval maintaining part 3, also can utilize the part between a face side interval maintaining part 3 and another face side interval maintaining part 3 of bonding part 2c to maintain the tacky state between porous layer 2a and the substrate layer 2b that is used to form flat part 1b.Thus, can prevent the situation that porous layer 2a and substrate layer 2b are opened, can be suppressed at and between porous layer 2a and substrate layer 2b, form space and situation that the pressure loss of filter filtration material increases.
In addition, in the present embodiment, due between a face side interval maintaining part 3 and another face side interval maintaining part 3 across flat part 1b and underlapped, therefore, in the time that filter filtration material 1 is elongated along elongation direction, also can utilize a face side interval maintaining part 3 and another face side interval maintaining part 3 to prevent flat part 1b(specifically, form the former material 2 of filter material of flat part 1b) by the situation of opening to a face side and another face layback and damage.
In addition, filter filtration material of the present utility model and manufacturing installation thereof are not limited to above-mentioned embodiment, in the scope that does not depart from purport of the present utility model, can carry out various changes.In addition, can certainly adopt arbitrarily structure, the method etc. of above-mentioned multiple embodiments to combine (also structure, the method etc. of 1 embodiment can be applied in structure, the method etc. of other embodiments), and, can also select arbitrarily structure, the method etc. of following various modifications, and be applied in structure, the method etc. of above-mentioned embodiment.
For example, in the above-described embodiment, bonding part 2c forms continuously across the ground, whole region of the width of the former material 2 of filter material, but be not limited thereto, for example, as shown in Fig. 5 (a), bonding part 2e also can form intermittently along the width of the former material 2 of filter material.
In addition, in the above-described embodiment, flank 3a is formed as intersecting with bend 1a, but is not limited thereto, and as shown in Fig. 5 (b), also can only form flank 3b by the part that is used to form interval maintaining part 3 '.
In addition, in the above-described embodiment, interval maintaining part 3 is formed with multiple on the length direction of bend 1a spaced apartly, but is not limited thereto, and also can form as one along the length direction of bend 1a.In addition, in the above-described embodiment, interval maintaining part 3 is formed at the inner side in the region corresponding with bonding part 2c in filter material opposite face 1c, but is not limited thereto, and interval maintaining part 3 also can be formed to from the inner side in this region outside.
In addition, in the above-described embodiment, the width that is formed as bonding part 2c is wider than the width of bending presumptive area A2, but is not limited thereto, and the width that also can be formed as bonding part 2c is narrower than the width of bending presumptive area A2.
In addition, in the above-described embodiment, the former material 2 of filter material along width in the bending of multiple positions, but be not limited thereto, can be also that the central part that is formed as the former material of filter material of monolithic body shape is radiation wire bending and form cone shape filter filtration material at multiple positions.
In addition, in the above-described embodiment, use the former material 2 of filter material being formed by porous layer 2a and substrate layer 2b to form filter filtration material 1, but be not limited thereto, for example, also can form filter filtration material with the former material of filter material that the two sides adhesive substrate layer 2b at porous layer 2a forms.
[embodiment]
Below, embodiment of the present utility model is described.
< embodiment 1 >
1. Porous sheet
As Porous sheet, use PTFE sheet.Specifically, add aqueous lubricant (n-decane) 19 weight portions with respect to PTFE fine powder (Daikin Industries company system, trade name: F104) 100 weight portions and obtain the mixture of paste.Then, after this mixture is carried out to preform, carry out extrusion molding, become the flat formed body of length direction thereby obtain a direction.Afterwards, this flat formed body of rolling is so that its thickness becomes 0.2mm.Then,, in order to remove aqueous lubricant from flat formed body, in drying oven, with 150 ℃, this formed body is heated.Afterwards, under the environment of 280 ℃, flat formed body is stretched to 15 times along its length, and under the environment of 100 ℃ along being stretched to 15 times with the orthogonal width of length direction, obtained PTFE sheet.
2. gas permeability sheet
As gas permeability sheet, the PET/PE core sheath nonwoven (You Niji can company manufacture, trade name: T1003WDO) that has used the mode that becomes length direction with a direction to form.
3. the making of the former material of filter material
With mode stacked gas permeability sheet on the two sides of Porous sheet of the length direction of above-mentioned Porous sheet and the length direction almost parallel of gas permeability sheet, and to carrying between pair of rolls member (above-mentioned hot-rolling and above-mentioned backing roll), bonding Porous sheet and gas permeability sheet, made the former material 2 of filter material as shown in Figure 2.Specifically, as hot-rolling, use and be formed with the hot-rolling of convex shaped part along axis direction on surface, only heat lamination Porous sheet and gas permeability sheet and formed bonding part 2c between this convex shaped part and backing roll.In addition, as each roller component, used the roller component that external diameter is 200mm.In addition, the transporting velocity of each is made as 10m/min, and the pressure when bonding is made as 0.8MPa.
The bonding part 2c of the former material 2 of filter material across the roughly whole region between the both ends of the width of the former material 2 of filter material form, and be formed as band shape.In addition, the width of bonding part 2c is made as 2cm, and the interval between the central portion of adjacent bonding part 2c width is each other made as 5cm.In addition, the thickness of bonding part 2c is 0.32mm, and the thickness of non-bonding part 2d is 0.45mm.
4. the mensuration of the pressure loss
Use the former material 2 of filter material obtaining to carry out the mensuration of the pressure loss.Specifically, use MANOSTAR difference gauge (minimum scale: 1.0Pa) to measure mensuration effective area is made as to 100cm
2, pressure loss when face velocity is made as to 5.3cm/ second.Measurement result is illustrated in following table 1.
5. pleat mace adds the evaluation of the processability in man-hour
The mode that is formed at the inner side of the bonding part 2c of the former material 2 of the filter material being obtained with bend 1a is carried out the processing of pleat mace to the former material 2 of filter material, as shown in Figure 1, utilize Macromelt6202 that flank 3a(manufactures Henkel Corp. as bonding agent) form interval maintaining part 3 and made filter filtration material 1.The peak height that pleat mace adds man-hour is made as 50mm.Peak height refer to the bend 1a of a face side that is formed at the former material 2 of filter material side, peak central portion and be formed at the interval between the central portion of side, peak of the bend 1a of another face side, refer to this central portion, along the interval in the direction of the thickness direction of the former material 2 of filter material.As the evaluation of pleat mace processability, the situation that can carry out well the processing of pleat mace is designated as "○", and the situation that can not carry out well the processing of pleat mace is designated as "×".Evaluation result is illustrated in following table 1.
< comparative example 1 >
Except the interval between the central portion of adjacent bonding part 2c width is each other made as 6.5cm, utilize the method identical with embodiment 1 to make the former material 2 of filter material, use the former material 2 of this filter material to carry out under the same conditions the mensuration of the pressure loss.In addition, carry out beyond the processing of pleat mace except be formed at the mode at the position except bonding part 2c of the former material 2 of the filter material being obtained with bend 1a, under the condition identical with embodiment 1, carried out the evaluation of the processability of pleat mace processing.The evaluation result of the processability of the measurement result of the pressure loss and the processing of pleat mace is illustrated in following table 1.
< comparative example 2 >
Except the roughly mode on whole of the face that is formed at the face-off mutually between Porous sheet and gas permeability sheet with bonding part 2c has been carried out heat lamination, utilize the method identical with embodiment 1 to make the former material 2 of filter material, use the former material 2 of this filter material to carry out under the same conditions the mensuration of the pressure loss.And, use the former material 2 of filter material obtaining, under the condition identical with embodiment 1, carry out the evaluation of the processability of pleat mace processing.The evaluation result of the processability of the measurement result of the pressure loss and the processing of pleat mace is illustrated in following table 1.
[table 1]
< sums up >
If embodiment 1 is compared with comparative example 1, can think the excellent in workability of pleat mace processing of embodiment 1.This be because, add man-hour carrying out pleat mace, make such power of the relative position relation generation skew between Porous sheet and gas permeability sheet put on bending presumptive area A2, but as embodiment 1, if bending presumptive area A2 is formed on the inner side of bonding part 2c, the relative position relation between Porous sheet and gas permeability sheet is fixing in bending presumptive area A2, therefore can prevent skew as above, can carry out well the processing of pleat mace.In addition, can think that the pressure loss of comparative example 1 is lower than the pressure loss of embodiment 1.This be because, the interval that is used to form bonding part 2c of comparative example 1 broadens, the area of the non-bonding part 2d of the Area Ratio embodiment 1 of non-bonding part 2d is large.
In addition, if embodiment 1 is compared with comparative example 2, can think that the pressure loss of embodiment 1 is lower.This be because, as embodiment 1, multiple if bonding part 2c is formed with spaced apartly, between bonding part 2c, be formed with non-bonding part 2d.In this non-bonding part 2d, the Kong Buhui of Porous sheet stops up because of a part for the gas permeability sheet that heat lamination is melted, therefore, in non-bonding part 2d, can maintain the gas permeability of Porous sheet.Therefore, compared with the situation in whole region that is formed at the former material 2 of filter material with bonding part 2c, can reduce the pressure loss.
Claims (4)
1. a filter filtration material, it forms by making the former material of filter material be formed as folded shape in the bending of multiple positions, the former material of this filter material comprises porous layer and substrate layer, this porous layer is filtered the contained particle of gas for trapping, this substrate layer is bonded at least one face of this porous layer, this filter filtration material is characterised in that
This filter filtration material comprises: bend, and it forms along a direction by making the former material bending of above-mentioned filter material; And flat part, it is that the region except bend by making the former material of filter material is formed as tabular forming,
Be formed with at least a portion of porous layer and the bonding bonding part forming of substrate layer in the inner side of bend, and be formed with porous layer and the not bonding non-bonding part of substrate layer at flat part.
2. filter filtration material according to claim 1, is characterized in that,
Above-mentioned bonding part is formed as band shape along above-mentioned bend, and bend is formed at the inner side of the width of this bonding part.
3. filter filtration material according to claim 1 and 2, is characterized in that,
This filter filtration material also has the interval maintaining part for keeping adjacent bend interval each other, this interval maintaining part in the time that the former material of filter material is bent into folded shape, be adhered to the region corresponding with above-mentioned bonding part in relative a pair of opposite face inner side and by connected to each other a pair of opposite face.
4. the manufacturing installation of a filter filtration material, it forms filter filtration material by making the former material of filter material be formed as folded shape in the bending of multiple positions, the former material of this filter material is to form by substrate layer being bonded at least one face for trapping the porous layer that is filtered the contained particle of gas, the manufacturing installation of this filter filtration material is characterised in that
While forming bend making the former material bending of above-mentioned filter material along a direction, the mode that is positioned at the inner side of bend with at least a portion of above-mentioned porous layer and the bonding bonding part of substrate layer forms bend, and the not bonding non-bond site of porous layer and substrate layer is in flat part, and this flat part is by the region except bend of the former material of filter material is formed as to tabular forming.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-268562 | 2012-12-07 | ||
| JP2012268562A JP2014113532A (en) | 2012-12-07 | 2012-12-07 | Filter medium and method for producing filter medium |
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| Publication Number | Publication Date |
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| CN203634963U true CN203634963U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320789301.8U Expired - Fee Related CN203634963U (en) | 2012-12-07 | 2013-12-03 | Filter material of filter and device for manufacturing filter material of filter |
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| Country | Link |
|---|---|
| JP (1) | JP2014113532A (en) |
| CN (1) | CN203634963U (en) |
| TW (1) | TWI618566B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427746A (en) * | 2015-04-22 | 2017-12-01 | 雅玛信过滤器株式会社 | Filter cell and filter for installation |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2714278B2 (en) * | 1991-08-20 | 1998-02-16 | 三井化学株式会社 | Filter and its manufacturing device |
| JP2000107526A (en) * | 1998-10-01 | 2000-04-18 | Daikin Ind Ltd | Air filter pack and air filter |
| JP4454886B2 (en) * | 2001-06-08 | 2010-04-21 | 日本バイリーン株式会社 | Chemical filter |
| JP4139121B2 (en) * | 2002-03-28 | 2008-08-27 | 日本無機株式会社 | Manufacturing method of filter medium for zigzag air filter |
| JP2005279429A (en) * | 2004-03-29 | 2005-10-13 | Nichias Corp | Chemical filter and its manufacturing method |
| JP2007160275A (en) * | 2005-12-16 | 2007-06-28 | Nitto Denko Corp | Filter unit and its manufacturing method |
| KR101094413B1 (en) * | 2005-12-29 | 2011-12-15 | 인바이런멘탈 메니지먼트 컨피더레이션, 인크. | Conductive bead for active field polarized media air cleaner |
| US7753981B2 (en) * | 2006-10-19 | 2010-07-13 | Nitto Denko Corporation | Filter unit and filter unit panel |
| EP2436435A4 (en) * | 2009-05-29 | 2016-05-11 | Nippon Muki Kk | Filter element and double-pleated air filter using same |
| JP5602521B2 (en) * | 2010-07-02 | 2014-10-08 | ニッタ株式会社 | Air filter insert |
-
2012
- 2012-12-07 JP JP2012268562A patent/JP2014113532A/en active Pending
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2013
- 2013-10-30 TW TW102139331A patent/TWI618566B/en not_active IP Right Cessation
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427746A (en) * | 2015-04-22 | 2017-12-01 | 雅玛信过滤器株式会社 | Filter cell and filter for installation |
| CN107427746B (en) * | 2015-04-22 | 2020-04-24 | 雅玛信过滤器株式会社 | Filter element and filter device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201429537A (en) | 2014-08-01 |
| TWI618566B (en) | 2018-03-21 |
| JP2014113532A (en) | 2014-06-26 |
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