CN2592350Y - Screen mesh for film perforating - Google Patents
Screen mesh for film perforating Download PDFInfo
- Publication number
- CN2592350Y CN2592350Y CN 03219129 CN03219129U CN2592350Y CN 2592350 Y CN2592350 Y CN 2592350Y CN 03219129 CN03219129 CN 03219129 CN 03219129 U CN03219129 U CN 03219129U CN 2592350 Y CN2592350 Y CN 2592350Y
- Authority
- CN
- China
- Prior art keywords
- screen cloth
- surface layer
- interior surface
- screen
- film punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a metal sieve for a punched plastic film, which is composed of at least one layer of barrel-shaped sieve, wherein, the sieve is provided with a double-layer opening structure; the opening area for single hole of the outer surface layer is times larger than that of the inner surface layer. The front side of the punched film produced with the sieve can also form a double-layer opening structure matched with the sieve, so holes on the outer surface layer can form an anti-leakage wall structure which can effectively prevent liquid flowing all around a sanitary towel when the punched film is used for the sanitary towel and other menstruation sanitary appliances, so that the liquid can move to an absorbing body through the holes.
Description
Technical field
The utility model relates to a kind of metallic sieve or module that is used for the perforation of plastic sheeting.
Background technology
The plastic sheeting of punching has multiple use, it is used in gardening and the agricultural, to prevent the growth of green grass and weeds, but allow moisture to enter in the following soil by film, perforated film has very many isolated regularly apertures, they allow the infiltration of liquid and air or other fluid, and this film is also in a large number as on the disposable sanitary articles such as women use sanitary napkin, protection pad, urine trousers.
The perforated film that screen cloth shown in the prior art (as shown in Figure 1) is produced is the individual layer open-celled structure substantially, it is the open-celled structure that the front of perforated film does not possess anti-pierced wall, therefore when this film is used for the purposes of menstruation or incontinence, when the body fluid flow is excessive, the phenomenon of " side leakage " can appear.
The utility model content
The purpose of this utility model provides a kind of screen cloth that is used for film punching, when the plastic sheeting of producing with this screen cloth is used for the menstruation or the purposes of incontinence, can prevent " side leakage " phenomenon of body fluid.
For achieving the above object, solution of the present utility model is: a kind of screen cloth that is used for the film punching, at least be made of one deck cylindrical screen, wherein this screen cloth has the double-layer drilling structure, and the perforated area in the single hole of outer surface layer is exponentially greater than the perforated area in the single hole of interior surface layers.
Described screen cloth is made of the individual layer cylindrical screen, and this moment, the outer surface layer of this screen cloth can adopt mode electroforming on the basis of interior surface layers of electroforming to form.
Described screen cloth is made of the individual layer cylindrical screen, and this moment, the outer surface layer of this screen cloth can adopt the mode of corrosion to corrode on screen surface to form.
Described outer surface layer and interior surface layers are to be fixed together by outer surface layer cylindrical screen and interior surface layers cylindrical screen to form.
The geometry of the perforate in the single hole of described outer surface layer is identical or different.
The perforated area in the single hole of described composition outer surface layer is 1mm
2To 500mm
2
The height of the muscle that forms between the Kong Yukong on the outer surface layer of described screen cloth is 0.05mm to 5.0mm, and the width on muscle top is 0.05mm to 2mm, and the width of muscle bottom is 0.05mm to 3mm.
The geometry of the perforate in the single hole of the interior surface layers of described formation screen cloth is identical or different.
The perforated area in the hole of described formation screen cloth interior surface layers is 0.05mm
2To 8mm
2
The height of the muscle that forms between the Kong Yukong on the described interior surface layers is 0.1mm to 5mm, and the muscle upper width is 0.05mm to 2mm, and the muscle lower width is 0.05mm to 5mm.
The perforated area in the hole of described outer surface layer is identical, also can be different.
The perforated area in the hole of described interior surface layers can be identical, also can be different.
Adopt the front of the perforated film of above-mentioned screen cloth production also can form the structure of two layers of perforate that are complementary with above-mentioned screen cloth, then the hole of outer surface layer just can form a leakproof wall construction, this leakproof wall construction can prevent effectively when being used for menstruation amenities such as sanitary napkin at perforated film that liquid from flowing around sanitary napkin, liquid can be moved to absorber by the hole, surround the anti-pierced wall of solid of various geometries from extexine, constitute the passage of the perforate formation one of outer surface layer, the capillary channel that the perforate of interior surface layers provides liquid to pass through by the interior surface layers of outer surface layer arrival.
Description of drawings
Fig. 1 commonly uses the local amplification view of product screen cloth;
Fig. 2 is the schematic flow sheet of film holed technique equipment;
Fig. 3 is the partial enlarged drawing of figure;
Fig. 4 is the partial enlarged drawing of overlooking of the utility model screen cloth;
Fig. 5 is that the A-A of Fig. 4 is to analysing and observe partial enlarged drawing;
Fig. 6 is the cutaway view (the inside and outside superficial layer that the individual layer screen cloth constitutes) of the utility model embodiment 2;
Fig. 7 is the cutaway view of the utility model embodiment 3;
Fig. 8 is the cutaway view of the utility model embodiment 4;
Fig. 9 is the cutaway view of the utility model embodiment 5;
Figure 10 is the cutaway view of the utility model embodiment 6.
The specific embodiment
Shown in Fig. 2,3, the utility model is the cylindrical screen 10 that is used for thermoplastic film or sheet material perforation, be used to implement film holed technique equipment of the present utility model and comprise that screen cloth 10 is fixed on rotatable spindle nose B, this spindle nose B is supported by central shaft, and central shaft is fixed on the support, the spindle nose B of fixed grit 10 is by one group of gear or belt transmission, and contains the synchronized movement that corresponding mechanism guarantees two ends, screen cloth 10 left and right sides, prevents the screen cloth distortion.Utilize the suction of vacuum chamber C to make the thermoplastic film of heat flow in the aperture of screen cloth 10 and pulled open, thus get on the film with screen cloth 10 on the aperture that is complementary of aperture.
The production technology of perforated film shown in Figure 2 only is a kind of in numerous known perforated film production technologies, adopting the film drilling technology shown in this figure is thermoplastic film 21 to be attached on the cylindrical screen 10 move along clockwise direction with screen cloth 10, film 11 above the suction mouth by hot-air D that hot air nozzle sprayed heating and in suction mouth under the effect of negative pressure, film 21 is drawn in the aperture of screen cloth 10 by eyeletting, the film 22 of punching is after suitable mode is cooled off, through deflector roll E, sided corona treatment roller F, processing is cut operations such as cutting of a G and be wound into perforated film 22 to Scroll I.
Key of the present utility model is:
Shown in Fig. 4,5, constitute the screen cloth of cylindrical screen 10 of the present utility model for having the double-layer drilling structure, the outer surface layer 3 of screen cloth 10 is made up of the bigger perforate 31 of perforated area, and the perforated area of perforate 31 is at 1mm
2To 500mm
2, the geometric figure of perforate 31 can be circle, ellipse or polygon, also can be the combination of multiple shape figure, and geometric setting of perforate 31 can be identical, also can be different; And form these screen cloth 10 interior surface layers 4 single hole 41 perforated area only for the hole 31 of outer surface layer 3 1/2 or littler;
The height H of the muscle 32 that forms between hole 31 on the outer surface layer 3 of screen cloth 10 and the hole 31
1Be 0.05mm to 5.0mm, the width W on muscle 32 tops
2For 0.05mm to 2.0mm; The width W of muscle 32 bottoms
2For 0.05mm to 3.0mm; This screen cloth 10 can be made up of or multi-layer cylinder shape screen cloth is nested together from level to level and fixedly forms the individual layer cylindrical screen, and the perforate 31 of outer surface layer 3 forms one and arrives the bigger passage 5 of area of interior surface layers 4 by the outer surface of screen cloth.
Above-mentioned screen cloth 10 interior surface layers 4 can be the screen clothes that is used for the film punching shown in the prior art, the thickness H of this interior surface layers 4
2Be 0.1mm to 5.0mm, the aperture of perforate 41 is 0.1mm to 3.0mm, and the shape of perforate 41 can be the combination of circular, oval, polygon or above-mentioned several geometries; The upper width W of the muscle 42 that forms between perforate 41 and the hole 41
3Be 0.05mm to 1.0mm, the lower width W of muscle 42
4Be 0.1mm to 1.0mm, interior surface layers 4 can be an individual layer, and also can be fixed together by the screen cloth of multi-layer thin forms, and perforate 41 forms the fluid passage 6 of outer surface to inner surface.The perforate 31 of outer surface layer 3 surrounds the anti-pierced wall (being muscle 32) of solid of various geometries on interior surface layers 4.
Cooperate shown in Figure 6ly, when screen cloth 10 of the present utility model was made of the individual layer cylindrical screen, its outer surface layer 3 can adopt the mode of corrosion to corrode on the outer surface layer 3 of screen cloth 10 and form; Also can adopt mode electroforming on the basis of interior surface layers 4 of electroforming to form;
Shown in Fig. 5,7, above-mentioned outer surface layer 3 can be fixed together by the thinner cylindrical screen 10,10 ' of single or multiple lift and form, also can be and on the outer surface of interior surface layers 4, adopt the mode electroforming of electroforming to form, if above-mentioned extexine 3 adopts suitable method fixedly to form by the thin cylindrical screen 10,10 ' of single or multiple lift, the material of above-mentioned outer surface layer 3 can be nickel, copper or other suitable metals; The muscle 32 of above-mentioned outer surface layer 3 surrounds the anti-pierced wall of various geometric solids on the interior surface layers 4 of above-mentioned screen cloth 10,
Shown in Fig. 8,9, described interior surface layers 4 can be by the thinner cylindrical screen 10 of single or multiple lift ", 10 are fixed together and form.
Therefore; the structure of screen cloth of the present utility model not only is confined to the combination of above-mentioned described form; the perforated area in every hole by the outer surface layer with screen cloth all belongs to the protection domain of the utility model at double greater than the cylindrical screen of this architectural feature of perforated area in the hole of the interior surface layers of screen cloth.
The muscle 32 that screen cloth 10 described in the utility model is formed the perforate 31 of its outer surface layer 3 is trapped among on the interior surface layers 4 of screen cloth 10, form anti-pierced wall, adopt the front of the perforated film of above-mentioned screen cloth 10 productions also can form the leakproof wall construction that is complementary with above-mentioned screen cloth 10, this leakproof wall construction can prevent effectively when being used for menstruation amenities such as sanitary napkin at perforated film that liquid from flowing around sanitary napkin, liquid can be moved to absorber by pore (being passage 6), on outer surface layer 3, surround the anti-pierced wall of solid of various geometries, constitute the passage of perforate 31 formation one of outer surface layer 3 by the interior surface layers 4 of outer surface layer 3 arrival, perforate 41 on the interior surface layers 4 constitutes the passage 6 that connects above-mentioned screen cloth, promptly the outer surface layer 3 of this screen cloth constitutes the anti-pierced wall of the solid that prevents the liquid side leakage, and interior surface layers 4 provides the passage of the pore that liquid passes through.
Claims (12)
1, a kind of screen cloth that is used for film punching, it is characterized in that: be made of one deck cylindrical screen at least, wherein this screen cloth has the double-layer drilling structure, and the perforated area in the single hole of outer surface layer is exponentially greater than the perforated area in the single hole of interior surface layers.
2, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: this screen cloth is made of the individual layer cylindrical screen, and this moment, the outer surface layer of this screen cloth can adopt mode electroforming on the basis of interior surface layers of electroforming to form.
3, the screen cloth that is used for film punching as claimed in claim 1, it is characterized in that: this screen cloth is made of the individual layer cylindrical screen, and this moment, the outer surface layer of this screen cloth can adopt the mode of corrosion to corrode on the surface of screen cloth to form.
4, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: above-mentioned outer surface layer and interior surface layers are to be fixed together by outer surface layer cylindrical screen and interior surface layers cylindrical screen to form.
5, the screen cloth that is used for film punching as claimed in claim 1 is characterized in that: the geometry of the perforate in the single hole of outer surface layer is identical or different.
6, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: the perforated area in the single hole of above-mentioned composition outer surface layer is 1mm
2To 500mm
2
7, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: the height of the muscle that forms between the Kong Yukong on the outer surface layer of above-mentioned screen cloth is 0.05mm to 5.0mm, and the width on muscle top is 0.05mm to 2mm, and the width of muscle bottom is 0.05mm to 3mm.
8, the screen cloth that is used for the film punching as claimed in claim 1 is characterized in that: the geometry of the perforate in the single hole of the interior surface layers of formation screen cloth is identical or different.
9, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: the perforated area that constitutes the hole of screen cloth interior surface layers is 0.05mm
2To 8mm
2
10, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: the height of the muscle that forms between the Kong Yukong on the above-mentioned interior surface layers is 0.1mm to 5mm, and the muscle upper width is 0.05mm to 2mm, and the muscle lower width is 0.05mm to 5mm.
11, the screen cloth that is used for the film punching as claimed in claim 1 is characterized in that: the perforated area in the hole of formation outer surface layer is identical, also can be different.
12, the screen cloth that is used for the film punching as claimed in claim 1, it is characterized in that: the perforated area that constitutes the hole of interior surface layers can be identical, also can be different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03219129 CN2592350Y (en) | 2003-01-02 | 2003-01-02 | Screen mesh for film perforating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03219129 CN2592350Y (en) | 2003-01-02 | 2003-01-02 | Screen mesh for film perforating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2592350Y true CN2592350Y (en) | 2003-12-17 |
Family
ID=33755374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03219129 Expired - Lifetime CN2592350Y (en) | 2003-01-02 | 2003-01-02 | Screen mesh for film perforating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2592350Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105555240A (en) * | 2013-09-20 | 2016-05-04 | 宝洁公司 | Textured laminate structure, absorbent articles with textured laminate structure |
| CN107374828A (en) * | 2017-06-28 | 2017-11-24 | 厦门延江新材料股份有限公司 | A kind of perforate shaping cylinder mould and the method using its production film |
-
2003
- 2003-01-02 CN CN 03219129 patent/CN2592350Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105555240A (en) * | 2013-09-20 | 2016-05-04 | 宝洁公司 | Textured laminate structure, absorbent articles with textured laminate structure |
| CN105555240B (en) * | 2013-09-20 | 2020-02-21 | 宝洁公司 | Textured laminate structure, absorbent article having textured laminate structure |
| CN107374828A (en) * | 2017-06-28 | 2017-11-24 | 厦门延江新材料股份有限公司 | A kind of perforate shaping cylinder mould and the method using its production film |
| CN107374828B (en) * | 2017-06-28 | 2023-02-28 | 厦门延江新材料股份有限公司 | Hole-forming mesh cage and method for producing film by using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130104 Granted publication date: 20031217 |