CN109569099A - Filtration members and its manufacturing method - Google Patents
Filtration members and its manufacturing method Download PDFInfo
- Publication number
- CN109569099A CN109569099A CN201811089237.6A CN201811089237A CN109569099A CN 109569099 A CN109569099 A CN 109569099A CN 201811089237 A CN201811089237 A CN 201811089237A CN 109569099 A CN109569099 A CN 109569099A
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- China
- Prior art keywords
- woven fabrics
- filtration members
- filter house
- manufacturing
- molding die
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0618—Non-woven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Abstract
The present invention provides filtration members and its manufacturing method.The manufacturing method of the filtration members can reduce the pressure loss of filter house and the strength enhancing it is possible to realize flange part.The manufacturing method of the filtration members includes process below: placing process, in this process, configuration has carried out the 1st non-woven fabrics (7) that fold folds processing in the molding die (5), and the 2nd non-woven fabrics (8) of sheet is configured in a manner of partly overlapping including the end side on the crest line direction (P) including at least fold in the peripheral part (11) with the 1st non-woven fabrics；And molding procedure, in this process, heating compression is carried out to the 1st non-woven fabrics and the 2nd non-woven fabrics using molding die, filter house (2) are formed in the inside of the peripheral part of the 1st non-woven fabrics, and the peripheral part of the 1st non-woven fabrics and the integration of the 2nd non-woven fabrics are formed into flange part (3).
Description
Technical field
The present invention relates to filtration members and its manufacturing methods, be more particularly be related to include be formed with fold filter house and
The filtration members and its manufacturing method fabric from the nonwoven including the flange part that the bottom periphery laterally outside of filter house extends.
Background technique
As previous filtration members, the commonly known air filter 101 for having for example such nonwoven fabric: such as Figure 11
(a) shown in comprising the flange for being formed with the filter house 102 of fold and being extended from the bottom periphery laterally outside of filter house 102
Portion 103 (referring for example to patent document 1: Japanese Unexamined Patent Publication 2016-211081 bulletin).In the patent document 1, such as record
Have such manufacturing method: as shown in figure 12, configuration has carried out the non-woven fabrics 107 that fold folds processing in molding die 105
(1 (b) referring to Fig.1) carries out heating compression to non-woven fabrics 107 using molding die 105, thus in the periphery of non-woven fabrics 107
The inside in portion 111 forms filter house 102, and forms flange part 103 by the peripheral part of non-woven fabrics 107 111, to obtain air
Filtration members 101.In the air filter 101, filter house 102 is formed by 1 non-woven fabrics 107, and flange part 103 is by by nothing
Woven fabric more than 107 times fold and formed.
But in the manufacturing method of the air filter documented by above patent document 1, due to being merely to progress
The non-woven fabrics 107 that fold folds processing carries out heating compression, therefore not can control the lodging direction of fold, can be in flange part
The part that the end side on the crest line direction P with the fold of filter house 102 in 103 is connected generates the position of low weight per unit area
U (formed by 1 non-woven fabrics 107 and the position U of low weight per unit area that weight per unit area and filter house 102 are same),
The intensity of flange part 103 can decline.Low weight per unit area is used in the purpose for the pressure loss for reducing filter house 102
Non-woven fabrics 107 in the case where, the decline of the intensity of the flange part 103 is particularly problematic.
In addition, considering countermeasure below to improve the intensity of above-mentioned flange part 103, but produce opposite anti-problem.
Such as the position U of the low weight per unit area of flange part 103 is locally staggered be difficult to apply the countermeasure at the position of intensity at
For interim countermeasure.In addition, in the countermeasure using the non-woven fabrics 107 of high weight per unit area, the pressure loss of filter house 102
It increases.Also, to 103 embedded resin frame of flange part and carrying out in molding countermeasure, cost increase, and it is formless from
By spending (such as assembling etc. deviously).
Summary of the invention
Problems to be solved by the invention
Technical solution of the present invention is to complete in view of above-mentioned status, it is intended that providing one kind can reduce
The pressure loss of filter house and it is possible to realize the filtration members of the strength enhancing of flange part and its manufacturing methods.
The solution to the problem
The technical program is a kind of manufacturing method of filtration members that nonwoven is fabric, which includes being formed with the mistake of fold
Filter portion and the flange part extended from the bottom periphery laterally outside of the filter house, the manufacturing method of the fabric filtration members of the nonwoven
Purport be that the manufacturing method includes process below: place process, in this process, in molding die configure carry out
Fold folds the 1st non-woven fabrics of processing, and with the crest line including at least fold in the peripheral part of the 1st non-woven fabrics
Partly overlapping mode including end side on direction configures the 2nd non-woven fabrics of sheet；And molding procedure, in this process,
Heating compression is carried out to the 1st non-woven fabrics and the 2nd non-woven fabrics using the molding die, in the 1st non-woven fabrics
The inside of peripheral part forms the filter house, and by the peripheral part of the 1st non-woven fabrics and the 2nd non-woven fabrics integration and
Form the flange part.
The purport of another technical solution is that the 2nd non-woven fabrics is formed as frame-shaped, in the placement process,
The 2nd non-woven fabrics is configured in a manner of Chong Die with the complete cycle of peripheral part of the 1st non-woven fabrics in the molding die.
The purport of another technical solution is, in the placement process, in the molding die, with the described 1st
The partial response of the peripheral part of non-woven fabrics multiple 2nd non-woven fabrics are matched in a manner of staggered positions in the in-plane direction
It sets.
The purport of another technical solution is, in the placement process, configures multiple that in the molding die
The 2nd non-woven fabrics of this overlapping.
The technical program is a kind of manufacturing method of filtration members that nonwoven is fabric, which includes being formed with the mistake of fold
Filter portion and the flange part extended from the bottom periphery laterally outside of the filter house, the manufacturing method of the fabric filtration members of the nonwoven
Purport be that the manufacturing method includes process below: preparation molding procedure, in this process, to having carried out fold folding
1st non-woven fabrics of processing carries out heating compression, so that molding includes the filter house and the bottom peripheral side from the filter house
The 1st non-woven fabrics formed body including the convex edge extended outward；Process is placed to configure in molding die in this process
The 1st non-woven fabrics formed body, and with in the convex edge of the 1st non-woven fabrics formed body at least with the filtering
The partly overlapping mode that end side on the crest line direction of the fold in portion is connected configures the 2nd non-woven fabrics of sheet；And molding work
Sequence carries out heating pressure to the 1st non-woven fabrics formed body and the 2nd non-woven fabrics using the molding die in this process
Contracting, so that the convex edge of the 1st non-woven fabrics formed body and the 2nd non-woven fabrics integration are formed the flange
Portion.
The purport of another technical solution is that the 2nd non-woven fabrics is formed as frame-shaped, in the placement process,
The described 2nd is configured in a manner of Chong Die with the complete cycle of the convex edge of the 1st non-woven fabrics formed body in the molding die
Non-woven fabrics.
The purport of another technical solution is, in the placement process, in the molding die, with the described 1st
The partial response of the convex edge of non-woven fabrics formed body by multiple 2nd non-woven fabrics with staggered positions in the in-plane direction
Mode configure.
The invention according to any one of the 5th technical solution to the 7th technical solution, the master of another technical solution
It is intended to, in the placement process, multiple described 2nd non-woven fabrics to overlap each other is configured in the molding die.
The technical program is a kind of filtration members that nonwoven is fabric comprising is formed with the filter house of fold and from the filtering
The flange part of the bottom periphery laterally outside extension in portion, the purport of the filtration members is, except the flange part peripheral side it
The weight per unit area at outer position is greater than the portion in addition to the side wall of the end side on the crest line direction of fold of the filter house
The weight per unit area of position.
Using the manufacturing method of the filtration members of the technical program, including process below: process is placed, in this process,
Configuration has carried out the 1st non-woven fabrics that fold folds processing in molding die；And with in the peripheral part of the 1st non-woven fabrics extremely
The partly overlapping mode including the end side on the crest line direction comprising fold configures the 2nd non-woven fabrics of sheet less；And molding
Process carries out heating compression to the 1st non-woven fabrics and the 2nd non-woven fabrics using molding die, in the 1st non-woven fabrics in this process
The inside of peripheral part forms filter house, and the peripheral part of the 1st non-woven fabrics and the integration of the 2nd non-woven fabrics are formed flange part.
As a result, in filtration members, filter house is formed to become low weight per unit area by the 1st non-woven fabrics, keeps low pressure loss, and flange
Portion is formed to be reinforced by the 1st non-woven fabrics and the 2nd non-woven fabrics.As a result, it is possible to reduce the pressure loss of filter house, and energy
Enough seek the strength enhancing of flange part.Further, since filtration members are only formed by non-woven fabrics, therefore it can ensure the freedom of shape
Degree, and the environmental characteristics such as recycling property are excellent.Further, it is possible to simply and inexpensively obtain filtration members using 1 molding procedure.
In addition, the 2nd non-woven fabrics be formed as frame-shaped and in the placement process in the molding die with
In the case that the mode of the complete cycle overlapping of the peripheral part of 1st non-woven fabrics configures the 2nd non-woven fabrics, process can placed
In simply and accurately the 1st non-woven fabrics and the 2nd non-woven fabrics are aligned.
In addition, the part phase in the placement process in the molding die with the peripheral part of the 1st non-woven fabrics
In the case where configuring multiple 2nd non-woven fabrics in a manner of staggered positions in the in-plane direction with answering, due to the 2nd non-woven fabrics
Freedom shape it is higher, therefore can be improved the finished material rate of non-woven fabrics.
Also, in the placement process, multiple described 2nd non-woven fabrics to overlap each other are configured in the molding die
In the case where, the intensity of flange part can be further increased.
Using the manufacturing method of another filtration members of the technical program, including process below: preparation molding procedure,
In the process, heating compression is carried out to the 1st non-woven fabrics for having carried out fold and folding processing, so that molding includes filter house and from mistake
The 1st non-woven fabrics formed body including the convex edge of the bottom periphery laterally outside extension in filter portion；Process is placed, in this process,
In molding die configure the 1st non-woven fabrics formed body, and with in the convex edge of the 1st non-woven fabrics formed body at least with filtering
The partly overlapping mode that end side on the crest line direction of the fold in portion is connected configures the 2nd non-woven fabrics of sheet；And molding work
Sequence carries out heating compression to the 1st non-woven fabrics formed body and the 2nd non-woven fabrics using molding die, thus by the 1st in this process
The convex edge of non-woven fabrics formed body and the 2nd non-woven fabrics integration and form flange part.As a result, in filtration members, filter house is by the 1st
Non-woven fabrics forms to become low weight per unit area, keeps low pressure loss, and flange part is by the 1st non-woven fabrics and the 2nd non-woven fabrics shape
At to be reinforced.As a result, it is possible to reduce the pressure loss of filter house, and it is possible to realize the strength enhancings of flange part.This
Outside, since filtration members are only formed by non-woven fabrics, it can ensure the freedom degree of shape, and the environmental characteristics such as recycling property are excellent
It is different.Also, it, can be in placing process simply and accurately by the 1st nothing due to the stable posture of the 1st non-woven fabrics formed body
Woven fabric formed body and the alignment of the 2nd non-woven fabrics.
In addition, the 2nd non-woven fabrics be formed as frame-shaped and in the placement process in the molding die with
It, can in the case that the mode of the complete cycle overlapping of the convex edge of the 1st non-woven fabrics formed body configures the 2nd non-woven fabrics
Simply and accurately the 1st non-woven fabrics formed body and the 2nd non-woven fabrics are aligned in placing process.
In addition, the chimb in the placement process in the molding die with the 1st non-woven fabrics formed body
In the case where the partial response in portion multiple 2nd non-woven fabrics are configured in a manner of staggered positions in the in-plane direction, by
It is higher in the freedom shape of the 2nd non-woven fabrics, therefore can be improved the finished material rate of non-woven fabrics.
Also, multiple described 2nd non-woven fabrics to overlap each other are configured in the molding die in the placement process
In the case where, the intensity of flange part can be further increased.
Using the filtration members of the technical program, the weight per unit area at the position except flange part except peripheral side is greater than
The weight per unit area at the position in addition to the side wall of the end side on the crest line direction of fold of filter house.Thereby, it is possible to reduce
The pressure loss of filter house, and it is possible to realize the strength enhancings of flange part.Also, since filtration members are only formed by non-woven fabrics,
Therefore it can ensure the freedom degree of shape, and the environmental characteristics such as recycling property are excellent.
Detailed description of the invention
The non-limiting example of the embodiment of typicalness of the invention is enumerated, referring to the multiple attached drawings referred to and is utilized
Detailed description below is next, and further the present invention will be described, wherein identical appended drawing reference is in the several figures of the drawings
Indicate identical component.
Fig. 1 is the explanatory diagram for the manufacturing method for illustrating the filtration members of embodiment 1, and (a) expression of Fig. 1 has carried out fold
The perspective view of the 1st non-woven fabrics of processing is folded, (b) of Fig. 1 indicates that its top view, (c) of Fig. 1 indicate its c-c line cross-sectional view.
Fig. 2 is the explanatory diagram for illustrating the manufacturing method of above-mentioned filtration members, and (a) of Fig. 2 indicates the solid of the 2nd non-woven fabrics
Figure, (b) of Fig. 2 indicate that its top view, (c) of Fig. 2 indicate its c-c line cross-sectional view.
Fig. 3 is the explanatory diagram for illustrating the manufacturing method of above-mentioned filtration members, and (a) of Fig. 3 indicates to place process, Fig. 3's
(b) molding procedure is indicated.
Fig. 4 is the explanation for illustrating the configuration relation between the 1st non-woven fabrics and the 2nd non-woven fabrics in above-mentioned placement process
Figure.
Fig. 5 is the explanatory diagram for illustrating the filtration members of embodiment, and (a) of Fig. 5 indicates the perspective view of filtration members, Fig. 5's
(b) indicate that its top view, (c) of Fig. 5 indicate its c-c line cross-sectional view.
Fig. 6 is the explanatory diagram using form for illustrating above-mentioned filtration members.
Fig. 7 is the explanatory diagram for the manufacturing method for illustrating the filtration members of embodiment 2, and (a) of Fig. 7 indicates that work is placed in preparation
Sequence, (b) of Fig. 7 indicate preparation molding procedure.
Fig. 8 is the explanatory diagram for illustrating the manufacturing method of above-mentioned filtration members, and (a) of Fig. 8 indicates to place process, Fig. 8's
(b) molding procedure is indicated.
Fig. 9 is for illustrating the configuration relation between the 1st non-woven fabrics formed body and the 2nd non-woven fabrics in above-mentioned placement process
Explanatory diagram.
Figure 10 is the explanatory diagram for illustrating the placement process of another form, (a) of Figure 10 indicate with the 1st non-woven fabrics
The mode of complete cycle overlapping of peripheral part configure the forms of multiple 2nd non-woven fabrics, (b) of Figure 10, (c) of Figure 10 are indicated with the
The mode of a part overlapping of the peripheral part of 1 non-woven fabrics configures the form of multiple 2nd non-woven fabrics.
Figure 11 is the explanatory diagram for illustrating the manufacturing method of previous filtration members, and (a) of Figure 11 indicates the vertical of filtration members
Body figure, (b) of Figure 11 indicate to have carried out the perspective view for the non-woven fabrics that fold folds processing.
Figure 12 is the explanatory diagram for illustrating the manufacturing method of previous filtration members, and (a) of Figure 12 indicates to place process, figure
12 (b) indicates molding procedure.
Specific embodiment
Item shown here is illustrative item and the item for illustratively illustrating embodiments of the present invention, is
It is considered as the purpose for capableing of explanation that is most effective and will be readily understood that the principle of the present invention and conceptual feature for providing
And the elaboration carried out.At this point, being not intended to the journey for essence to understand degree required for the present invention or more
The details to indicate structure of the invention is spent, according to explanation corresponding with attached drawing, those skilled in the art can define this
What how several forms of invention actually embodied.
The manufacturing method A > of < filtration members
The manufacturing method A of the filtration members of present embodiment be include being formed with the filter house (2) of fold and from filter house
The manufacturing method of the fabric filtration members (1) of nonwoven including the flange part (3) of bottom periphery laterally outside extension, wherein the system
The method of making includes process below: placing process, in this process, has carried out fold folding in the interior configuration of molding die (5) and added
1st non-woven fabrics (7) of work, and on the crest line direction (P) including at least fold in the peripheral part (11) with the 1st non-woven fabrics
End side (12) including partly overlapping mode configure the 2nd non-woven fabrics (8) of sheet；And molding procedure, in this process,
Heating compression is carried out to the 1st non-woven fabrics (7) and the 2nd non-woven fabrics (8) using molding die (5), in the peripheral part of the 1st non-woven fabrics
(11) inside forms filter house (2), and the peripheral part (11) of the 1st non-woven fabrics and the integration of the 2nd non-woven fabrics (8) are formed
Flange part (3) (referring for example to FIG. 1 to FIG. 3 etc.).
The manufacturing method A of filtration members as present embodiment, such as such form can be enumerated: above-mentioned 2nd nothing
Woven fabric (8) is formed as frame-shaped, in placing process, with the peripheral part (11) with the 1st non-woven fabrics (7) in molding die (5)
The mode of complete cycle overlapping configures the 2nd non-woven fabrics (8) (referring for example to Fig. 4 etc.).
The manufacturing method A of filtration members as present embodiment, such as such form can be enumerated: in above-mentioned placement
In process, in molding die (5), with the partial response of the peripheral part (11) of the 1st non-woven fabrics (7) by multiple 2nd non-woven fabrics
(8) it is configured in a manner of staggered positions in the in-plane direction (referring for example to Figure 10 etc.).
The manufacturing method A of filtration members as present embodiment, such as such form can be enumerated: in above-mentioned placement
In process, multiple the 2nd non-woven fabrics (8) to overlap each other are configured in molding die (5) (referring for example to Fig. 2 etc.).In the situation
Under, such as can be two~seven (preferably two~five, particularly preferably two~tetra-) above-mentioned 2nd non-woven fabrics weights
It is folded.
In addition, material, the forming method etc. of above-mentioned 1st non-woven fabrics (7) and the 2nd non-woven fabrics (8) are not particularly limited.
Each non-woven fabrics can be for example formed from the same material.Thereby, it is possible to provide the environmental characteristics of recycling etc. excellent filtering
Part.In addition, the weight per unit area as each non-woven fabrics, such as 30g/m can be enumerated2~150g/m2(preferably 50g/m2
~100g/m2, particularly preferably 50g/m2~80g/m2).In addition, each non-woven fabrics for example can be containing heat sealability fiber (especially
It is a variety of heat sealability fibers with different melting points).As the material of the heat sealability fiber, nylon 6, nylon can be used for example
66 equal polyamides, polyethylene terephthalate, polybutylene terephthalate (PBT), gather to benzene polycarbonate resin
The polyolefin resins such as the polyester resin such as naphthalate, acrylic resin, polyethylene, polypropylene.In addition, each non-woven fabrics example
Above-mentioned heat sealability fiber and reinforcing fibre can such as be contained.As the reinforcing fibre, inorfil (glass can be used for example
Glass fiber etc.), organic fiber (natural fibers such as plant fiber, animal origin, chemical fibre).These structures are in aftermentioned implementation
It is also suitable in the manufacturing method B of the filtration members of mode.
The manufacturing method B > of < filtration members
The manufacturing method B of the filtration members of present embodiment be include being formed with the filter house (2) of fold and from filter house
The manufacturing method of the fabric filtration members (1) of nonwoven including the flange part (3) of bottom periphery laterally outside extension, wherein the system
The method of making includes process below: preparation molding procedure, in this process, folds the 1st non-woven fabrics processed to fold has been carried out
(7) heating compression is carried out, so that molding includes filter house (2) and the convex edge from the extension of the bottom periphery laterally outside of filter house
(32) the 1st non-woven fabrics formed body (31) including；Process is placed, in this process, the 1st nonwoven is configured in molding die (5)
Molding with cloth body (31), and with the rib at least with the fold of filter house (2) in the convex edge (32) with the 1st non-woven fabrics formed body
The partly overlapping mode that end side (14) on line direction (P) is connected configures the 2nd non-woven fabrics (8) of sheet；And molding procedure,
In this process, heating compression is carried out to the 1st non-woven fabrics formed body (31) and the 2nd non-woven fabrics (8) using molding die (5), from
And the convex edge (32) of the 1st non-woven fabrics formed body and the integration of the 2nd non-woven fabrics (8) are formed into flange part (3) (referring for example to figure
7 and Fig. 8 etc.).
The manufacturing method B of filtration members as present embodiment, such as such form can be enumerated: above-mentioned 2nd nothing
Woven fabric (8) is formed as frame-shaped, in placing process, with the convex edge with the 1st non-woven fabrics formed body (31) in molding die (5)
(32) mode of complete cycle overlapping configures the 2nd non-woven fabrics (8) (referring for example to Fig. 9 etc.).
The manufacturing method B of filtration members as present embodiment, such as such form can be enumerated: in above-mentioned placement
In process, in molding die (5), with the partial response of the convex edge (32) of the 1st non-woven fabrics formed body (31) by multiple 2
Non-woven fabrics (8) is configured in a manner of staggered positions in the in-plane direction (referring for example to Figure 10 etc.).
The manufacturing method B of filtration members as present embodiment, such as such form can be enumerated: in above-mentioned placement
In process, multiple the 2nd non-woven fabrics (8) to overlap each other are configured in molding die (5) (referring for example to (a) etc. of Fig. 8).At this
In the case of, such as can be two~seven (preferably two~five, particularly preferably two~tetra-) above-mentioned 2nd nonwovens
Cloth overlapping.
< filtration members >
The filtration members of present embodiment be include the filter house (2) for being formed with fold and bottom periphery side from filter house to
The fabric filtration members (1) of nonwoven including the flange part (3) of outer expandable, the unit area weight of any position of flange part (3)
Amount is all larger than the weight per unit area of filter house (2) (referring for example to Fig. 5 etc.).Such as the manufacture of above-mentioned filtration members can be utilized
Method A or manufacturing method B obtains the filtration members (1).
As the filtration members of present embodiment, such as such form can be enumerated: the unit plane of above-mentioned flange part (3)
The ratio between the weight per unit area (T2) (T1/T2) of product weight (T1) and filter house (2) be 1.5~10 (preferably 2.0~7, especially
Preferably 2.5~5).Thereby, it is possible to effectively take into account the strength enhancing of the reduction of the pressure loss of filter house and flange part.
As the filtration members of present embodiment, such as can enumerate above-mentioned filtration members is for filtering out of vehicle car
(R) form of the air filter (1) for the air sent out to outside (referring for example to Fig. 6 etc.).It is being used for filter vehicle vehicle as a result,
In the air filter of air in compartment, the pressure loss of filter house can be reduced, and it is possible to realize the intensity of flange part to mention
It rises.
In addition, the appended drawing reference in the bracket of each structure documented by above embodiment indicates and aftermentioned embodiment institute
Corresponding relationship between the specific structure of record.
[embodiment]
Hereinafter, specifically describing the present invention using attached drawing and using embodiment.In addition, in the present embodiment, as this
" filtration members " of invention, illustrating includes the filter house 2 for being formed with fold (also referred to as " crimped ") and the bottom periphery from filter house 2
The fabric air filter 1 of nonwoven including the flange part 3 of laterally outside extension (referring to Fig. 5).
1 > of < embodiment
(1) manufacturing method of filtration members
The manufacturing method of the filtration members of the present embodiment is the manufacturing method of air filter 1 comprising process below: is put
Process is set, in this process, as shown in (a) of Fig. 3, configuration has carried out the 1st nonwoven that fold folds processing in molding die 5
Cloth 7, and configure in a manner of Chong Die with the peripheral part 11 of the 1st non-woven fabrics 7 the 2nd non-woven fabrics 8 of sheet；And molding procedure,
In this process, as shown in (b) of Fig. 3, heating compression is carried out to the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8 using molding die 5,
Filter house 2 is formed in the inside of the peripheral part 11 of the 1st non-woven fabrics 7, and by the peripheral part 11 and the 2nd non-woven fabrics of the 1st non-woven fabrics 7
8 integrations are to form flange part 3.
As shown in Figure 1, by regularly turning back the non-woven fabrics of sheet in such a way that peak potion and valley are continuous to right
Above-mentioned 1st non-woven fabrics 7 carries out fold and folds processing.Progress fold fold processing the 1st non-woven fabrics 7 include pleated portions PL and
The end 13 being connected with the end side on the continuous direction Q of the fold of pleated portions PL.The end 13 is more by the way that non-woven fabrics turns back
It is secondary and composition.Also, the weight per unit area of the 1st non-woven fabrics 7 is about 60g/m2。
As shown in Fig. 2, by the central portion for the non-woven fabrics for cutting sheet using the methods of punching thus by above-mentioned 2nd nonwoven
Cloth 8 is formed as frame-shaped.2nd non-woven fabrics 8 of the frame-shaped is formed as the comparable shape of peripheral part 11 with the 1st non-woven fabrics 7.In addition,
2nd non-woven fabrics 8 is to be overlapped multiple (being two in figure) and turning back at interconnecting piece 16 and constitute.In addition, the 2nd nonwoven
Cloth 8 is formed by material identical with the 1st non-woven fabrics 7.Also, the weight per unit area of the 2nd non-woven fabrics 8 is about 60g/m2。
In addition, in the present embodiment, as above-mentioned 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8, using by mixed cotton, cotton carding and
Writing that surpasses all the others and fiber is formed into fibre sheet material and heat the fibre sheet material to by fiber to each other thermal welding (be thermally bonded) and obtain
The non-woven fabrics arrived.Alternatively, it is also possible to using to above-mentioned fibre sheet material implement needle thorn processing and formed preparation non-woven fabrics and heat should
Preparation non-woven fabrics is thus by non-woven fabrics obtained from fiber to each other thermal welding.In addition, in the present embodiment, in order to by air mistake
Filter part 1 configuration can out of vehicle car visual identity position, using the non-woven fabrics for being colored as black etc..
As shown in figure 3, above-mentioned molding die 5 includes a pair of of mold 21a, 21b that can be closer to each other, separated.The a pair
Mold 21a in mold 21a, 21b has the filter house forming face 22a for being used to form filter house 2 and is used to form flange part 3
Mold 21b in flange part forming face 23a, a pair of mold 21a, 21b has the filter house forming face for being used to form filter house 2
The 22b and flange part forming face 23b for being used to form flange part 3.Filter house forming face 22a, 22b is formed as and filter house 2
The corresponding accordion of fold.Also, flange part forming face 23a is configured in the peripheral side of filter house forming face 22a, flange part shape
It configures at face 23b in the peripheral side of filter house forming face 22b, flange part forming face 23a, 23b is formed as corresponding with flange part 3
Flat condition.
In above-mentioned placement process, as shown in (a) and Fig. 4 of Fig. 3, with outer with the 1st non-woven fabrics 7 in molding die 5
Circumference 11 (is indicated in (b) of Fig. 1 with the shadow region of dummy line.) in the crest line direction P including at least fold on end
Partly overlapping mode including side 12 configures the 2nd non-woven fabrics 8 of sheet.In particular, in placing process, in molding die
The 2nd non-woven fabrics 8 of frame-shaped is configured in 5 in a manner of Chong Die with the complete cycle of peripheral part 11 of the 1st non-woven fabrics 7.By the 2nd non-woven fabrics
8 central opening 17 is set as the opening more slightly larger than the bottom outer peripheral edge of filter house 2 (such as the bottom outer peripheral edge in inherent filtration portion 2
Opening made of about 5mm is biased outward).Even if the 2nd non-woven fabrics 8 is pulled in center side at the time of molding as a result, the 1st nonwoven
The peripheral part 11 and the 2nd non-woven fabrics 8 of cloth 7 also can be appropriate position integrated.Alternatively, it is also possible to by molding die 5
Non-woven fabrics 7,8 is positioned using location structure and is kept, to prevent pulling in for non-woven fabrics 7,8 at the time of molding.
In above-mentioned molding procedure, as shown in (b) of Fig. 3, by utilizing a pair of mold 21a, 21b to 7 and of the 1st non-woven fabrics
2nd non-woven fabrics 8 carries out heating compression, thus using each flange part forming face 23a, 23b by 11 and of peripheral part of the 1st non-woven fabrics 7
2nd non-woven fabrics 8 flattens and makes their integrations.Then, in the 1st nonwoven being sandwiched between each filter house forming face 22a, 22b
The inside of the peripheral part 11 of cloth 7 forms filter house 2, and the 1st nonwoven by being sandwiched between each flange part forming face 23a, 23b
The peripheral part 11 of cloth 7 and the 2nd non-woven fabrics 8 form flange part 3.As a result, obtain include filter house 2 and flange part 3 air mistake
Filter part 1.
(2) structure of air filter
As shown in figure 5, the air filter 1 of the present embodiment includes being formed with the filter house 2 of fold and from the bottom of filter house 2
The flange part 3 of portion periphery laterally outside extension.The filter house 2 is the position for collecting the dust in air, flange part 3 be by
The position of the bearings such as the frame of frame-shaped.In addition, the end side 14 on the crest line direction P of the fold of filter house 2 is closed by side wall 2a.
The list of any position of the major part (position i.e. except flange part 3 except peripheral side) of above-mentioned flange part 3
Position area weight is all larger than the unit area weight of the major part (i.e. the position in addition to side wall 2a of filter house 2) of filter house 2
Amount.The major part of the flange part 3 is formed as the multilayered structure formed by the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8, unit area
Weight is about 200g/m2More than.On the other hand, the major part of filter house 2 is formed as the single layer knot formed by the 1st non-woven fabrics 7
Structure, weight per unit area are about 70g/m2Below.Thus, the weight per unit area T1 of flange part 3 and the unit plane of filter house 2
The ratio between product weight T2 (T1/T2) is about 2.9.
In addition, according to the aligned condition of the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8, it is possible in the outer peripheral edge of above-mentioned flange part 3
Side generates the position of low weight per unit area.It is preferred, therefore, that being removed after the molding of air filter 1 by punching etc.
The outer peripheral edge side of flange part 3.Also, high unit plane made of the overlapping of the 1st non-woven fabrics 7 is generated in the side wall 2a of above-mentioned filter house 2
The position of product weight.
As shown in fig. 6, above-mentioned air filter 1 is for filtering the air that R is sent out to external S out of vehicle car.Specifically
Say that air filter 1 is equipped on the cooling device (illustration omitted) of the battery of hybrid vehicle in ground.Moreover, air filter 1
It is supported in the frame 26 of bending frame-shaped, the frame 26 side R out of vehicle car is installed in detachable mode in vehicle
The dividing wall 25 for the battery outer room S that R is marked off in compartment.Under the bearing state, air filter 1 is curved along frame 26
Curved sigmoid.Moreover, by dismantling air filter 1 from the dividing wall 25 of battery outer room S together with frame 26, thus
It can implement inspection, the cleaning etc. of air filter 1.In addition, being also possible to keep flange part 3 as above-mentioned air filter 1
Flat condition be supported on the form of frame.
(3) effect of embodiment
According to the manufacturing method of the air filter of the present embodiment, including process below: process is placed, in the process
In, configuration has carried out the 1st non-woven fabrics 7 that fold folds processing in molding die 5, and with the peripheral part with the 1st non-woven fabrics 7
The partly overlapping mode including the end side 12 on the crest line direction P including at least fold in 11 configures the 2nd nonwoven of sheet
Cloth 8；And molding procedure carries out heating pressure to the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8 using molding die 5 in this process
Contracting forms filter house 2 in the inside of the peripheral part 11 of the 1st non-woven fabrics 7, and by the peripheral part 11 and the 2nd nothing of the 1st non-woven fabrics 7
Woven fabric 8 is integrated and forms flange part 3.As a result, in air filter 1, filter house 2 is formed to become by the 1st non-woven fabrics 7
Low weight per unit area keeps low pressure loss, and flange part 3 is formed to be reinforced by the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8.Its
As a result, it is possible to reduce the pressure loss of filter house 2, and it is possible to realize the strength enhancings of flange part 3.Further, since air mistake
Filter part 1 is only formed by non-woven fabrics 7,8, therefore can ensure the freedom degree of shape, and the environmental characteristics such as recycling property are excellent.And
And air filter 1 can be obtained simply and inexpensively using 1 molding procedure.
In addition, in the present embodiment, the 2nd non-woven fabrics 8 is formed as frame-shaped, in placing process, in molding die 5 with
The mode of the complete cycle overlapping of the peripheral part 11 of 1st non-woven fabrics 7 configures the 2nd non-woven fabrics 8.It as a result, can be simple in placing process
And accurately the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8 are aligned.
In addition, in the present embodiment, in placing process, multiple the 2nd nonwovens to overlap each other are configured in molding die 5
Cloth 8.Thereby, it is possible to further increase the intensity of flange part 3.
Also, in the present embodiment, the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8 are formed from the same material.Thereby, it is possible to mention
For the air filter 1 that the environmental characteristics of recycling etc. are excellent.
According to the air filter 1 of the present embodiment, the weight per unit area of any position of flange part 3 is all larger than filter house
2 weight per unit area.Thereby, it is possible to reduce the pressure loss of filter house 2, and it is possible to realize the intensity for improving flange part 3.
Also, since air filter 1 is only formed by non-woven fabrics 7,8, it can ensure the freedom degree of shape, and recycling property etc.
Environmental characteristics are excellent.
In addition, in the present embodiment, the weight per unit area T2 of the weight per unit area T1 of flange part 3 and filter house 2 it
It is 2.9 than (T1/T2).Thereby, it is possible to effectively take into account the strength enhancing of the reduction of the pressure loss of filter house 2 and flange part 3.
Also, in the present embodiment, using the air mistake for filtering the air that R is sent out to outside out of vehicle car
Filter part 1.As a result, in for filter vehicle compartment in the air filter 1 of the air of R, the pressure damage of filter house 2 can be reduced
It loses, and it is possible to realize the strength enhancings of flange part 3.Here, utilizing R in the vehicle car of above-mentioned air filter 1 filtering
Air is compared with the outside air filtered using air filter used in air purifier of the gas handling system of internal combustion engine etc.
Pollution level is lower.Therefore, for air filter 1, seek for the purpose for reducing the pressure loss using low unit
The non-woven fabrics of area weight.It is also ensured that convex using this air filter 1 even with the non-woven fabrics of low weight per unit area
Intensity required for edge 3.
2 > of < embodiment
Then, the manufacturing method for illustrating the filtration members of embodiment 2, to the manufacturing method of the filtration members with above-described embodiment 1
Roughly the same constituting parts mark identical appended drawing reference, and detailed description will be omitted.
(1) manufacturing method of filtration members
The manufacturing method of the filtration members of the present embodiment is the manufacturing method of air filter 1 comprising process below: pre-
Standby molding procedure, in this process, as shown in fig. 7, heating compression is carried out to the 1st non-woven fabrics 7 for having carried out fold folding processing,
Thus the 1st non-woven fabrics including forming including filter house 2 and from the convex edge 32 that the bottom periphery laterally outside of filter house 2 extends
Formed body 31；Process is placed, in this process, as shown in (a) of Fig. 8, the 1st non-woven fabrics formed body is configured in molding die 5
31, and configure in a manner of Chong Die with the convex edge 32 of the 1st non-woven fabrics formed body 31 the 2nd non-woven fabrics 8 of sheet；And molding
Process, in this process, as shown in (b) of Fig. 8, using molding die 5 to the 1st non-woven fabrics formed body 31 and the 2nd non-woven fabrics 8 into
Row heating compression, so that the convex edge 32 of the 1st non-woven fabrics formed body 31 and 8 integration of the 2nd non-woven fabrics are formed flange part 3.
In above-mentioned prepared molding procedure, as shown in fig. 7, use includes a pair of of mold that can be closer to each other, separated
Preparation molding die 34 including 35a, 35b.Mold 35a in a pair of mold 35a, 35b, which has, is used to form filter house 2
Mold in the filter house forming face 36a and convex edge forming face 37a for being used to form convex edge 32, a pair of mold 35a, 35b
35b, which has, to be used to form the filter house forming face 36b of filter house 2 and is used to form the convex edge forming face 37b of convex edge 32.It should
Filter house forming face 36a, 36b is formed as accordion corresponding with the fold of filter house 2.In addition, convex edge forming face 37a matches
It sets in the peripheral side of filter house forming face 36a, convex edge forming face 37b is configured in the peripheral side of filter house forming face 36b, chimb
Portion's forming face 37a, 37b is formed as flat condition corresponding with convex edge 32.
In above-mentioned prepared molding procedure, by carrying out heating compression to the 1st non-woven fabrics 7 using a pair of of mold 35a, 35b,
To flatten the peripheral part 11 of the 1st non-woven fabrics 7 using each convex edge forming face 37a, 37b.Moreover, being sandwiched in each filter house shape
Filter house 2 is formed at the inside of the peripheral part 11 of the 1st non-woven fabrics 7 between face 36a, 36b, and by being sandwiched in each convex edge shape
Convex edge 32 is formed at the peripheral part 11 of the 1st non-woven fabrics 7 between face 37a, 37b.As a result, obtaining including filter house 2 and convex
The 1st non-woven fabrics formed body 31 including edge 32.
In above-mentioned placement process, as Fig. 8 (a) and Fig. 9 shown in, in molding die 5 with the 1st non-woven fabrics formed body
The partly overlapping mode being at least connected with the end side 14 on the crest line direction P of the fold of filter house 2 in 31 convex edge 32
Configure the 2nd non-woven fabrics 8 of sheet.In particular, place process in, in molding die 5 with the 1st non-woven fabrics formed body 31
The mode of complete cycle overlapping of convex edge 32 configure the 2nd non-woven fabrics 8 of frame-shaped.
In above-mentioned molding procedure, as shown in (b) of Fig. 8, by using a pair of mold 35a, 35b to the 1st non-woven fabrics at
Type body 31 and the 2nd non-woven fabrics 8 carry out heating compression, to flatten the 1st nonwoven molding with cloth using each flange part forming face 23a, 23b
The convex edge 32 of body 31 and the 2nd non-woven fabrics 8 and by they integration.Moreover, by be sandwiched in each flange part forming face 23a, 23b it
Between the 1st non-woven fabrics formed body 31 convex edge 32 and the 2nd non-woven fabrics 8 formed flange part 3.As a result, obtaining includes filter house 2
With the air filter 1 including flange part 3.
(2) effect of embodiment
Using the manufacturing method of the filtration members of the present embodiment, including process below: preparation molding procedure, in the process
In, heating compression is carried out to the 1st non-woven fabrics 7 for having carried out fold and folding processing, so that molding includes filter house 2 and from filter house
The 1st non-woven fabrics formed body 31 including the convex edge 32 of 2 bottom periphery laterally outside extension；Process is placed, in this process,
In molding die 5 configure the 1st non-woven fabrics formed body 31, and with in the convex edge 32 of the 1st non-woven fabrics formed body 31 extremely
Few partly overlapping mode being connected with the end side 14 on the crest line direction P of the fold of filter house 2 configures the 2nd non-woven fabrics of sheet
8；And molding procedure in this process adds the 1st non-woven fabrics formed body 31 and the 2nd non-woven fabrics 8 using molding die 5
Hot compression, so that the convex edge 32 of the 1st non-woven fabrics formed body 31 and 8 integration of the 2nd non-woven fabrics are formed flange part 3.As a result,
In air filter 1, filter house 2 is formed to become low weight per unit area by the 1st non-woven fabrics 7, keeps low pressure loss, and convex
Edge 3 is formed to be reinforced by the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8.As a result, it is possible to reduce the pressure loss of filter house 2,
And it is possible to realize the strength enhancings of flange part 3.Further, since air filter 1 is only formed by non-woven fabrics 7,8, therefore can
Ensure the freedom degree of shape, and the environmental characteristics such as recycling property are excellent.Also, due to the posture of the 1st non-woven fabrics formed body 31
Stablize, therefore can be simply and accurately aligned the 1st non-woven fabrics formed body 31 and the 2nd non-woven fabrics 8 in placing process.
In addition, in the present embodiment, the 2nd non-woven fabrics 8 is formed as frame-shaped, in placing process, in molding die 5 with
The mode of the complete cycle overlapping of the convex edge 32 of 1st non-woven fabrics formed body 31 configures the 2nd non-woven fabrics 8.The energy in placing process as a result,
It is enough to be simply and accurately aligned the 1st non-woven fabrics formed body 31 and the 2nd non-woven fabrics 8.
In addition, in the present embodiment, in placing process, multiple the 2nd nonwovens to overlap each other are configured in molding die 5
Cloth 8.Thereby, it is possible to further increase the intensity of flange part 3.
Also, in the present embodiment, the 1st non-woven fabrics 7 and the 2nd non-woven fabrics 8 are formed from the same material.Thereby, it is possible to mention
For the air filter 1 that the environmental characteristics of recycling etc. are excellent.
In addition, in the present invention, however it is not limited to which above-described embodiment can be set to according to purpose, purposes in the present invention
In the range of carried out the embodiments of various changes.That is, in the above-described embodiments, instantiating integrally formed single the 2nd
Non-woven fabrics 8 configures placement process in molding die 5, and but not limited to this, for example, can also as shown in Figure 10 using with
The partial response of the peripheral part 11 (or convex edge 32 of the 1st non-woven fabrics formed body 31) of 1st non-woven fabrics 7 by multiple 2nd nothings
Woven fabric 8 is configured in a manner of the staggered positions on in-plane (i.e. the face direction orthogonal with the molding direction of molding die 5)
Placement process in molding die 5.The freedom shape of the 2nd non-woven fabrics 8 is higher as a result, therefore can be improved the material of non-woven fabrics
Expect yield rate.
In above-mentioned form, for example, can also as shown in (a) of Figure 10 along extending on the crest line direction P of fold
The peripheral part 11 (or convex edge 32 of the 1st non-woven fabrics formed body 31) of 1st non-woven fabrics 7 is divided into two by line, and with respectively
The mode Chong Die with each cutting part configures the 2nd non-woven fabrics 8 of alphabetical U-shaped.Also, it such as can also (b), Figure 10 such as Figure 10
(c) shown in respectively on crest line direction P in the peripheral part 11 of the 1st non-woven fabrics 7, comprising fold end side 12 and should
The mode of two sides overlapping including part made of continuous direction Q extension of the end 12 along fold configures the 2nd non-woven fabrics 8.
In addition, in the above-described embodiments, instantiating the end 13 of the 1st non-woven fabrics 7 made of repeatedly turning back, but do not limit
In this, such as can also be using the end for the 1st non-woven fabrics not turned back.In addition, in the above-described embodiments, instantiating multiple each other
2nd non-woven fabrics 8 of multilayered structure made of overlapping, but not limited to this, such as can also use the 2nd nonwoven of single layer structure
Cloth (i.e. 1 the 2nd non-woven fabrics).
In addition, in the above-described embodiments, instantiates and be formed from the same material and weight per unit area having the same
1st non-woven fabrics 7 and the 2nd non-woven fabrics 8, but not limited to this, such as can also be using the 1st nonwoven being formed from different materials
Cloth and the 2nd non-woven fabrics, using with the 1st non-woven fabrics of different weight per unit areas and the 2nd non-woven fabrics.
In addition, in the placement process of above-described embodiment, the 1st non-woven fabrics 7 (or the 1st non-woven fabrics formed body 31) and the 2nd
The configuration sequence that non-woven fabrics 8 is configured at molding die 5 is not particularly limited.Such as both can by the two overlapping state
It down while configuring, another one can also be configured after being configured with one.
In addition, in the above-described embodiments, instantiating molding direction and being the molding die 5 of up and down direction, but be not limited to
This, such as molding direction can also be used for left and right directions, the molding die of inclined direction.
In addition, in the above-described embodiments, instantiating and forming the 1st non-woven fabrics formed body 31, benefit using preparation molding die 34
With the form of 5 shape air filtration members 1 of molding die, but not limited to this, such as also can use general molding die 5
To form the 1st non-woven fabrics formed body 31 and air filter 1.
In addition, in the above-described embodiments, the form that complete filter house 2 is formed in preparation molding procedure is instantiated, but
It's not limited to that, such as can also form unfinished filter house in preparation molding procedure, has been formed in molding procedure
Full filter house.
Also, in the above-described embodiments, instantiate the air for filtering the air that R is sent out to outside out of vehicle car
Filtration members 1, but not limited to this, such as can also become the sky used in the air purifier of the gas handling system of internal combustion engine
Gas filtration members or become the air filter used in air regulator.Also, it can also become for filtering fuel gas
The gas filter of the gas in addition to air such as body or as the liquid filtration members for being used for the liquid such as oil strain.
The purpose of example above-mentioned only indicates that, and is not interpreted as limiting the present invention.Enumerate the embodiment of typicalness
Example illustrate the present invention, it should be understood that the term used in description and diagram of the invention is not restrictive
Term, but illustrative and illustrative term.As be described in detail herein, this can be not being departed from the form
It is changed in appended the scope of the claims under the premise of the range or purport of invention.Here, of the invention detailed
Specific construction, material and embodiment are had references in explanation, but is not intended to limit the invention to open item herein, no
As say the present invention relates in appended the scope of the claims, functionally identical construction, method, the whole used
Content.
It, can be shown in the claim of the invention the present invention is not limited to the above-mentioned embodiment being explained in detail
Various deformations or change are carried out in range.
The present invention can be widely used as technology relevant to the filtration members for filtering fluid.
Claims (9)
1. a kind of manufacturing method of filtration members, the filtration members are made of non-woven fabrics, including being formed with the filter house of fold and from institute
The flange part of the bottom periphery laterally outside extension of filter house is stated, the manufacturing method of the filtration members is characterized in that,
The manufacturing method of the filtration members includes process below:
Process is placed, in this process, is configured in molding die and has carried out the 1st non-woven fabrics that fold folds processing, and with
With the partly overlapping mode including the end side on the crest line direction including at least fold in the peripheral part of the 1st non-woven fabrics
Configure the 2nd non-woven fabrics of sheet；And
Molding procedure in this process adds the 1st non-woven fabrics and the 2nd non-woven fabrics using the molding die
Hot compression forms the filter house in the inside of the peripheral part of the 1st non-woven fabrics, and by the periphery of the 1st non-woven fabrics
Portion and the 2nd non-woven fabrics integration and form the flange part.
2. the manufacturing method of filtration members according to claim 1, wherein
2nd non-woven fabrics is formed as frame-shaped,
In the placement process, with the side Chong Die with the complete cycle of peripheral part of the 1st non-woven fabrics in the molding die
Formula configures the 2nd non-woven fabrics.
3. the manufacturing method of filtration members according to claim 1, wherein
It, with the partial response of the peripheral part of the 1st non-woven fabrics will be more in the molding die in the placement process
A 2nd non-woven fabrics is configured in a manner of staggered positions in the in-plane direction.
4. the manufacturing method of filtration members described in any one of claim 1 to 3, wherein
In the placement process, multiple described 2nd non-woven fabrics to overlap each other are configured in the molding die.
5. a kind of manufacturing method of filtration members, the filtration members are made of non-woven fabrics, including being formed with the filter house of fold and from institute
The flange part of the bottom periphery laterally outside extension of filter house is stated, the manufacturing method of the filtration members is characterized in that,
The manufacturing method of the filtration members includes process below:
Preparation molding procedure carries out heating compression to the 1st non-woven fabrics for having carried out fold folding processing in this process, thus
The 1st non-woven fabrics including forming including the filter house and from the convex edge that the bottom periphery laterally outside of the filter house extends
Formed body；
Place process, in this process, configure the 1st non-woven fabrics formed body in molding die, and with the 1st nothing
The part being at least connected with the end side on the crest line direction of the fold of the filter house in the convex edge of woven fabric formed body
The mode of overlapping configures the 2nd non-woven fabrics of sheet；And
Molding procedure, in this process, using the molding die to the 1st non-woven fabrics formed body and the 2nd non-woven fabrics
Heating compression is carried out, so that the convex edge of the 1st non-woven fabrics formed body and the 2nd non-woven fabrics integration be formed
The flange part.
6. the manufacturing method of filtration members according to claim 5, wherein
2nd non-woven fabrics is formed as frame-shaped,
In the placement process, with the whole of the convex edge with the 1st non-woven fabrics formed body in the molding die
The mode that week is overlapped configures the 2nd non-woven fabrics.
7. the manufacturing method of filtration members according to claim 5, wherein
Part in the placement process, in the molding die, with the convex edge of the 1st non-woven fabrics formed body
Correspondingly multiple 2nd non-woven fabrics are configured in a manner of staggered positions in the in-plane direction.
8. the manufacturing method of the filtration members according to any one of claim 5~7, wherein
In the placement process, multiple described 2nd non-woven fabrics to overlap each other are configured in the molding die.
9. a kind of filtration members, are made of non-woven fabrics comprising be formed with the filter house of fold and from the bottom of the filter house
The flange part of periphery laterally outside extension, which is characterized in that,
The weight per unit area at the position except the flange part except peripheral side be greater than the filter house except fold rib
The weight per unit area at the position except the side wall of the end side on line direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-189046 | 2017-09-28 | ||
| JP2017189046A JP6972856B2 (en) | 2017-09-28 | 2017-09-28 | Filter and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN109569099A true CN109569099A (en) | 2019-04-05 |
| CN109569099B CN109569099B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089237.6A Active CN109569099B (en) | 2017-09-28 | 2018-09-18 | Filter element and method for producing same |
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| Country | Link |
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| JP (1) | JP6972856B2 (en) |
| CN (1) | CN109569099B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08257334A (en) * | 1995-03-24 | 1996-10-08 | Nippondenso Co Ltd | Filter and its manufacture |
| CN1065149C (en) * | 1994-07-12 | 2001-05-02 | 日本电装株式会社 | filter element |
| JP3476357B2 (en) * | 1998-02-09 | 2003-12-10 | 三菱自動車工業株式会社 | Air cleaner filter element structure |
| CN105324168A (en) * | 2013-06-14 | 2016-02-10 | 法国美嘉帕拉斯特公司 | Method for producing a filtering element |
| JP2016211081A (en) * | 2015-04-28 | 2016-12-15 | 呉羽テック株式会社 | Nonwoven fabric for integral molding and pleat-flange integrally molded filter element formed of the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0824546A (en) * | 1994-07-12 | 1996-01-30 | Nippondenso Co Ltd | Filter and fluid filter |
| JP2002126422A (en) * | 2000-10-26 | 2002-05-08 | Nitto Kogyo Co Ltd | Filter media for filter, filter, manufacturing method thereof and air filter |
| JP2007021428A (en) * | 2005-07-20 | 2007-02-01 | Toray Ind Inc | Filter and its manufacturing method |
-
2017
- 2017-09-28 JP JP2017189046A patent/JP6972856B2/en active Active
-
2018
- 2018-09-18 CN CN201811089237.6A patent/CN109569099B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065149C (en) * | 1994-07-12 | 2001-05-02 | 日本电装株式会社 | filter element |
| JPH08257334A (en) * | 1995-03-24 | 1996-10-08 | Nippondenso Co Ltd | Filter and its manufacture |
| JP3476357B2 (en) * | 1998-02-09 | 2003-12-10 | 三菱自動車工業株式会社 | Air cleaner filter element structure |
| CN105324168A (en) * | 2013-06-14 | 2016-02-10 | 法国美嘉帕拉斯特公司 | Method for producing a filtering element |
| JP2016211081A (en) * | 2015-04-28 | 2016-12-15 | 呉羽テック株式会社 | Nonwoven fabric for integral molding and pleat-flange integrally molded filter element formed of the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019063701A (en) | 2019-04-25 |
| CN109569099B (en) | 2021-09-10 |
| JP6972856B2 (en) | 2021-11-24 |
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