CN102744917A - Embossing roller for paper products, toilet paper with embossing and multi-layer toilet paper product - Google Patents
Embossing roller for paper products, toilet paper with embossing and multi-layer toilet paper product Download PDFInfo
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- CN102744917A CN102744917A CN2011101184329A CN201110118432A CN102744917A CN 102744917 A CN102744917 A CN 102744917A CN 2011101184329 A CN2011101184329 A CN 2011101184329A CN 201110118432 A CN201110118432 A CN 201110118432A CN 102744917 A CN102744917 A CN 102744917A
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Abstract
Disclosed is an embossing roller which comprises an embossing surface used for embossing toilet paper, the embossing surface has a plurality of embossing protrusions which are used for forming a plurality of corresponding embossing pattern units on the surfaces of the toilet paper, the plurality of embossing protrusions are randomly distributed on the surface of the embossing roller, and at least one of shapes, sizes and extension directions of the plurality of embossing protrusions are randomly distributed. The overlapping ratio of a multi-layer toilet paper product embossed by the embossing roller is low, and the appearance of the multi-layer toilet paper product is attractive. The invention further relates to toilet paper and the multi-layer toilet paper product which are embossed by the embossing roller.
Description
Technical field
The present invention relates to be used to toilet paper with embossing and the multi-layered sanitary paper products making the knurling rolls of multi-layered sanitary paper products and utilize this knurling rolls manufacturing.
Background technology
The embossing of paper products make these goods ratio not the goods of embossing have bigger absorbability, flexibility and stacking volume, like plate toilet paper.The more serious embossing overlapping phenomenon of multi-layer flat template toilet paper (hereinafter to be referred as the multi-layer flat paperboard) ubiquity in the market, as shown in Figure 1, i.e. the identical formation of formed convex surface 10 of embossing and concave surface 12 is nested.This type of sheet paper following situation occurs through regular meeting: when packing in production plant, because be the range upon range of first pack of this multi-layer flat paperboard, and embossing nested not obvious, this multi-layer flat paperboard has been full of and has comprised bag; When this multi-layer flat paperboard comes into the market through links such as vanning and transportations; Owing to rocking and reason such as vibrations in the said process; The nested of this multi-layer flat paperboard becomes obvious; The gross thickness of this multi-layer flat paperboard is obviously reduced, can't be full of this packaging bag, thereby make the appearance of this multi-layer flat paperboard very poor.
Summary of the invention
Therefore, be necessary to provide a kind of and make the appearance knurling rolls of multi-layered sanitary paper products preferably, and utilize the toilet paper with embossing and the multi-layered sanitary paper products of this knurling rolls manufacturing.
A kind of knurling rolls; These knurling rolls have the embossed surface that is used for toilet paper is carried out embossing; This embossed surface has a plurality of embossing convexities to form the embossed pattern unit of a plurality of correspondences on the toilet paper surface; These a plurality of embossing convexities are in the position random distribution on this knurling rolls surface, and at least a random distribution that also is in shape, size and the bearing of trend of these a plurality of embossing convexities.
A kind of toilet paper that forms by above-mentioned knurling rolls compacting; The a plurality of embossed patterns of its surface distributed unit; This a plurality of embossed patterns unit is in the position random distribution on this toilet paper surface, and at least a random distribution that is in shape, size and the bearing of trend of this a plurality of embossed patterns unit.
A kind of multi-layered sanitary paper products comprise many aforesaid toilet papers of range upon range of setting, and two adjacent toilet papers are corresponding to the embossed surface of zones of different in the knurling rolls.
With respect to prior art; The surface of described knurling rolls has the embossing convexity that is used to form the embossed pattern unit of random distribution; Make the embossed pattern unit random distribution of each single-part stationery of the multi-layered sanitary paper products that are made; Nested between the embossed pattern unit between the like this then arbitrarily adjacent toilet paper then significantly reduces, and makes the Duplication of multi-layered sanitary paper products less, and the multi-layered sanitary paper products are when coming into the market through links such as vanning and transportations; Not can owing in the said process rock and reason such as vibrations causes obviously reducing of gross thickness, have good appearance.
Because Duplication is less, nested significantly reducing between the adjacent toilet paper has good appearance by the formed multi-layered sanitary paper products of said knurling rolls.
Description of drawings
Fig. 1 is the mutually nested sketch map of paper products adjacent two layers of prior art tool embossed pattern.
Fig. 2 is the generalized section of the knurling rolls that provide of first embodiment of the invention.
Fig. 3 is the expansion floor map of the embossed surface of the knurling rolls among Fig. 2.
Fig. 4 is the protruding vertical section sketch map of an embossing of the knurling rolls of Fig. 2.
Fig. 5 is wherein adjacent two floor map of utilizing in the multi-layered sanitary paper products of the knurling rolls manufacturing among Fig. 2.
Fig. 6 is the range upon range of sketch map of the two pieces of paper among Fig. 5.
Fig. 7 is the sketch map that the embossed surface of the knurling rolls that provide of second embodiment of the invention launches the plane.
Fig. 8 is the sketch map that the embossed surface of the knurling rolls that provide of third embodiment of the invention launches the 3rd embodiment on plane.
Fig. 9 is the sketch map that the embossed surface of the knurling rolls that provide of fourth embodiment of the invention launches the plane.
Figure 10 is the sketch map that the embossed surface of the knurling rolls that provide of fifth embodiment of the invention launches the plane.
Figure 11 is the sketch map that the embossed surface of the knurling rolls that provide of sixth embodiment of the invention launches the plane.
Figure 12 is the sketch map that the embossed surface of the knurling rolls that provide of seventh embodiment of the invention launches the plane.
The main element symbol description
| |
20、30、40、50、60、70、80 |
| The |
200、300、400、500、600、700、800 |
| Embossing is |
202、302、402、502、602、702、802 |
| |
204、304、404、504、604、704、804 |
| |
22 |
| |
24 |
| Second |
26 |
| |
240 |
| |
242 |
| The |
260 |
| The |
262 |
The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
The specific embodiment
To combine accompanying drawing and a plurality of embodiment that the present invention is done further explain below.
See also Fig. 2, first embodiment of the invention provides a kind of knurling rolls 20, is used for toilet paper is carried out embossing, for example, is used for face tissue, napkin paper, tissue etc. are carried out embossing.These knurling rolls 20 are used for matching with a rubber counter-pressure cylinder etc., and compacting forms the paper products with embossed pattern.These knurling rolls 20 have a turning cylinder 22, and during work, these knurling rolls 20 rotate on this turning cylinder 22.
Please consult Fig. 3 and Fig. 4 in the lump; These knurling rolls 20 have and are used for contacting with toilet paper surface the embossed surface 200 to carry out embossing; This embossed surface 200 has a plurality of embossing protruding 202; Each embossing protruding 202 is the embossed pattern unit of these knurling rolls 20, is used on toilet paper, forming the embossed pattern unit of a correspondence.In the present embodiment, these a plurality of embossing protruding 202 are in the position random distribution of the embossed surface 200 of these knurling rolls 20, and the distribution density scope is 40/10cm
2(square centimeter) is to 120/10cm
2These a plurality of embossing protruding 202 are similar away from 200 end face 204 shapes; Be Pear-Shaped; End face 204 areas of these a plurality of embossing protruding 202 are incomplete same, and end face 204 areas random distribution under situation about meeting the following conditions of these a plurality of embossing protruding 202: end face 204 areas of these a plurality of embossing protruding 202 are 2mm
2(square millimeter) is to 6mm
2In addition; Suppose from the wherein predetermined point of the peripheral profile of this end face 204 to the bearing of trend that is oriented to these end face 204 patterns of another predetermined point of this periphery profile (down with); In the present embodiment; The long axis direction of the Pear-Shaped of end face 204 shapes of these a plurality of embossing protruding 202 is the bearing of trend of these end face 204 shapes, and the bearing of trend of these end face 204 shapes also is a random distribution; Height H random distribution under situation about meeting the following conditions of these a plurality of embossing protruding 202: the altitude range of these a plurality of embossing protruding 202 is 0.6mm to 1.2mm; The vertical section of this embossing protruding 202 is trapezoidal, and in the present embodiment, these two trapezoidal waist angulation θ are 44 degree.The two trapezoidal waists of vertical section that are appreciated that this embossing protruding 202 can also become other angle, and certainly, all right rectangle of the vertical section of this embossing protruding 202 is not exceeded with present embodiment.
This random distribution is meant that each individuality is relatively independent, does not disturb mutually, in a certain scope, arbitrarily occupy certain position or in a certain span the distribution mode of vary numerical value, this distribution mode is random.The random distribution of the position of a plurality of embossing of above-mentioned this protruding 202, end face 204 area size, end face 204 long axis directions and height can be calculated by the random function in the computer program.Expand into a rectangle as shown in Figure 3 like embossed surface 200 with knurling rolls 20; This rectangle is positioned in the rectangular coordinate system; Then the every bit in the rectangle is then to a coordinate that should rectangular coordinate system; Position coordinates with embossing protruding 202 is the variable of random function, calculates through the random function program and can draw protruding 202 position coordinateses in this rectangular coordinate system of these a plurality of embossing, and then draw protruding 202 positions at these knurling rolls 20 of these a plurality of embossing.End face 204 area size, end face 204 long axis directions of these a plurality of embossing protruding 202 and highly also can drawing by similar method.
These knurling rolls 20 form through the back impression that rotates a circle has the sanitary paper of embossed pattern; The paper with embossed pattern that forms is cut the back form two measure-alike individual layer toilet papers from middle position; Promptly first toilet paper 24 and second toilet paper 26 are as shown in Figure 5.Since should be a plurality of the random distribution of position, end face 204 area size, end face 204 long axis directions and height of embossing protruding 202, therefore through the embossed pattern on the surface of first toilet paper 24 of these knurling rolls 20 compacting formation and second toilet paper 26 arrange in the position, area size, long axis direction and the degree of depth be random distribution.Preferably, in every toilet paper, at least one difference in shape, size and the bearing of trend of any adjacent two embossed pattern unit.Preferably, the size and the bearing of trend of adjacent two embossed pattern unit are all inequality arbitrarily.As shown in Figure 6; When first and second toilet paper 24,26 range upon range of placements; The embossed pattern of the embossed pattern of first toilet paper 24 and second toilet paper 26 is inconsistent; Also do not have corresponding relation, the embossed pattern of first toilet paper 24 can't be overlapping with the embossed pattern of second toilet paper 26, also can not be housed in the gap of embossed pattern of second toilet paper 26.In other words; First toilet paper 24 has opposite first 240 and second surface 242; Knurling rolls 20 carry out the embossed pattern that embossing forms this first toilet paper 24 by this first surface 240 to this second surface 242; Second toilet paper 26 has relative the 260 and the 4th surface 262, the 3rd surface, and knurling rolls 20 carry out the embossed pattern that embossing forms this second toilet paper 26 by the 3rd surface 260 to the 4th surface 262.When first and second toilet paper 24,26 range upon range of placements; And the 3rd surface 260 of second surface 242 and second toilet paper 26 that makes first toilet paper 24 is when adjacent; Because the random distribution of embossed pattern; Second surface 242 is nested less with the 3rd surface 260, and first and second toilet paper 24,26 is rocking through vanning and link such as transportation that nested probability takes place is little with the vibrations back.So, when the stacked formation multi-layered sanitary paper products of many first and second toilet papers 24,26, because the pattern of every adjacent two toilet papers can't be overlapping, thus can be because of not nested and reduce whole height.Preferably; In two adjacent toilet papers arbitrarily of multi-layered sanitary paper products, at least one in shape, size and the bearing of trend of each the embossed pattern unit in toilet paper is different from the embossed pattern unit of contiguous this embossed pattern unit in another.
Certainly; It will be appreciated by those skilled in the art that; Knurling rolls 20 are to rotate continuously aborning; What form through knurling rolls 20 embossing is the large tracts of land sanitary paper of continuous constituted paper roll, and the expansion pattern that cuts embossed pattern and knurling rolls 20 on individual toilet paper that continuous sanitary paper forms is incomplete same.The relation of the expansion pattern of embossed pattern on individual toilet paper and knurling rolls 20 is decided by the size of knurling rolls 20 and the size of individual toilet paper.Embossed pattern on individual toilet paper possibly be the pattern of aforesaid half side face corresponding to knurling rolls 20; It also possibly be pattern corresponding to 2/3rds side faces of knurling rolls 20; Also possibly be the pattern corresponding to one and 1/2nd side faces of knurling rolls 20, can also be other corresponding relations.
As shown in the table, be the contrast of the Duplication of the sample of three kinds of dark nested plate toilet papers of the prior art and present embodiment, comparative sample is random sampling.Wherein single thickness is the thickness of a sample paper, and this single thickness comprises the height of embossed pattern unit protrusion; Single bag is isolated and is total number of sample; Actual packet is high to be the actual gross thickness with many sample paper; Theoretical bag height=single thickness * list bag is isolated; Duplication=(theoretical Bao Gao-actual packet is high) * 100%/theoretical bag is high.
The method of testing of Duplication is described below:
The first, with testing sample (be loaded on comprise bag in) be placed in the constant-temperature constant-humidity environment at least 24 hours (temperature: 23 ± 1 ℃, humidity: 40%);
The second, from packaging bag, take out sample, be placed on the smooth experimental bench, be pressed in the centre position of sample with 1 kilogram rectangle iron plate, measure the distance of four angles of iron plate and desktop, and to write down these four range readings be A, B, C, D (unit: mm);
The 3rd, number goes out the actual number a of sample;
The 4th, from sample, take out 10 at random, meeting the thickness that tests out every paper on the thickness gauge of GB, then the thickness of measuring is drawn the average thickness T (unit: μ m) of sheet-fed after average;
The 5th, it is high to calculate bag: actual packet height=(A+B+C+D)/4 (mm), theoretical bag height=T * a * 10
-3(mm);
At last, calculate Duplication;
| Test event | Existing sample 1 | Existing sample 2 | Existing sample 3 | The present embodiment sample |
| Single thickness (μ m) | 303 | 419 | 403 | 279 |
| Single bag is isolated | 462 | 421 | 300 | 206 |
| Actual packet high (mm) | 62 | 106 | 62 | 53 |
| Theoretical bag high (mm) | 140 | 177 | 121 | 58 |
| Duplication | 56.1% | 39.7% | 48.7% | 8.3% |
Can find out that from above contrast many first toilet papers of present embodiment 24 have by the formed multi-layered sanitary paper products in the range upon range of back of intervening sequences with many second toilet papers 26 and are lower than 30% Duplication, have good overall height and appearance.
The end face 204 that is appreciated that this embossing protruding 202 can also be not limited to present embodiment for other shape.
To shown in Figure 12, is the unfolded surface sketch map of the knurling rolls 30,40,50,60,70,80 of second to the 7th embodiment like Fig. 7.
As shown in Figure 7, the embossed surface 300 of knurling rolls 30 has a plurality of embossing convexities 302, and each embossing protruding 302 is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.In the present embodiment, protruding 302 vertical sections of this embossing are rectangle, and end face 304 shapes of these a plurality of embossing protruding 302 are identical, are heart, and the bearing of trend of the end face 304 of these a plurality of embossing protruding 302 is identical.In addition, this heart-shaped end face 304 is random distribution in the position distribution and the Size Distribution of the embossed surface 300 of these knurling rolls 30, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.
As shown in Figure 8, the embossed surface 400 of knurling rolls 40 has a plurality of embossing convexities 402, and each embossing protruding 402 is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.In the present embodiment, protruding 402 vertical sections of this embossing are rectangle, and the shape of the end face 404 of these a plurality of embossing protruding 402 is leaf, and the end face 404 of these a plurality of embossing protruding 402 is measure-alike.These a plurality of embossing protruding 402 in the position of the embossed surface 400 of these knurling rolls 40 and the bearing of trend random distribution of end face 404, this random distribution can be calculated by the random function in the computer program, method and above-mentioned random function computational methods are similar.
As shown in Figure 9, the embossed surface 500 of knurling rolls 50 has a plurality of embossing convexities 502, and each embossing protruding 502 is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.The shape of the end face 504 of these a plurality of embossing protruding 502 comprises multiple difformity.In the present embodiment; Protruding 502 vertical sections of this embossing are rectangle; The shape of the end face 504 of these a plurality of embossing protruding 502 comprises heart, rectangle, pentagon, ellipse, circle, and for the end face 504 of the embossing protruding 502 of same shape, the size and the bearing of trend of end face 504 are identical.The a plurality of embossing of this of each shape protruding 502 are in the position random distribution of the embossed surface 500 of said knurling rolls 50, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.
Shown in figure 10, the embossed surface 600 of knurling rolls 60 has a plurality of embossing convexities 602, and each embossing convexity is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.The shape of the end face 604 of these a plurality of embossing protruding 602 comprises multiple difformity.In the present embodiment; Protruding 602 vertical sections of this embossing are rectangle, and the shape of the end face 604 of these a plurality of embossing protruding 602 comprises five-pointed star, lobate, apple shape, cabbageworm shape, for the embossing protruding 602 of same shape; The size of end face 604 is in embossed surface 600 random distribution of these knurling rolls 60; The bearing of trend of end face 604 is identical, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.The a plurality of embossing of this of each shape protruding 602 are in the position random distribution of the embossed surface 600 of said knurling rolls 60, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.
Shown in figure 11, the embossed surface 700 of knurling rolls 70 has a plurality of embossing convexities 702, and each embossing protruding 702 is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.The shape of the end face 704 of these a plurality of embossing protruding 702 comprises multiple difformity.In the present embodiment; Protruding 702 vertical sections of this embossing are rectangle, and the shape of the end face 704 of these a plurality of embossing protruding 702 comprises five-pointed star, lobate, apple shape, cabbageworm shape, for the embossing protruding 702 of same shape; End face 704 measure-alike; The bearing of trend of end face 704 is in embossed surface 700 random distribution of these knurling rolls 70, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.The a plurality of embossing of this of each shape protruding 702 are in the position random distribution of the embossed surface 700 of said knurling rolls 70, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.
Shown in figure 12, the embossed surface 800 of knurling rolls 80 has a plurality of embossing convexities 802, and each embossing protruding 802 is an embossed pattern unit, can form the embossed pattern unit of a correspondence on the toilet paper surface.The shape of the end face 804 of these a plurality of embossing protruding 802 comprises multiple difformity.In the present embodiment; Protruding 802 vertical sections of this embossing are rectangle; The shape of the end face 804 of these a plurality of embossing protruding 802 comprises five-pointed star, lobate, apple shape, cabbageworm shape, and protruding 802 for the embossing of same shape, the size of end face 804 and bearing of trend are random distribution at the embossed surface 800 of these knurling rolls 80; This random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.The a plurality of embossing of this of each shape protruding 802 are in the position random distribution of the embossed surface 800 of said knurling rolls 80, and this random distribution can be calculated by the random function in the computer program, and method and above-mentioned random function computational methods are similar.
The paper products that formed by 30,40,50,60,70,80 compactings of the knurling rolls among Fig. 7 to Figure 12 have a plurality of respectively and protruding 302,402,502,602,702, the 802 corresponding embossed pattern unit of embossing.In any toilet paper that these paper products form after cutting, the random embossed pattern that all has random distribution.In the multi-layered sanitary paper products of many toilet paper layer poststack formation, in two adjacent arbitrarily individual layer toilet papers, adjacent embossed pattern is all inconsistent; There is not corresponding relation yet; Therefore, the embossed pattern of two adjacent single-part stationeries can't be overlapping, can be not mutually nested.Thereby the multi-layered sanitary paper products have less Duplication equally, have bigger bag high with appearance preferably.
In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (13)
1. knurling rolls; These knurling rolls have the embossed surface that is used for toilet paper is carried out embossing; It is protruding that this embossed surface has a plurality of embossing, and these a plurality of embossing convexities are used for forming on the toilet paper surface embossed pattern unit of a plurality of correspondences, it is characterized in that; These a plurality of embossing convexities are in the position random distribution on this knurling rolls surface, and at least a random distribution that also is in shape, size and the bearing of trend of these a plurality of embossing convexities.
2. knurling rolls as claimed in claim 1; It is characterized in that; The protruding distribution density on the surface of these knurling rolls of this embossing is 40/10 square centimeters to 120/10 square centimeters, and each embossing convexity all has the end face away from embossed surface, and the area of this end face is 2mm
2To 6mm
2
3. knurling rolls as claimed in claim 1 is characterized in that, the protruding height of this embossing is 0.6mm to 1.2mm.
4. knurling rolls as claimed in claim 1 is characterized in that, each embossing convexity all has the end face away from embossed surface, and these a plurality of embossing convexities have multiple different end surface shape or have multiple different face size.
5. knurling rolls as claimed in claim 1 is characterized in that, at least one difference in shape, size and the bearing of trend of adjacent arbitrarily two embossing convexity.
6. knurling rolls as claimed in claim 1 is characterized in that, shape, size and the bearing of trend of adjacent arbitrarily two embossing convexity are all inequality.
7. toilet paper that forms by each described knurling rolls compacting of claim 1 to 6; The a plurality of embossed patterns of its surface distributed unit; This a plurality of embossed patterns unit is in the position random distribution on this toilet paper surface, and at least a random distribution that is in shape, size and the bearing of trend of this a plurality of embossed patterns unit.
8. toilet paper as claimed in claim 7 is characterized in that, arbitrarily at least one difference in shape, size and the bearing of trend of adjacent two embossed pattern unit.
9. toilet paper as claimed in claim 7 is characterized in that, shape, size and the bearing of trend of adjacent two embossed pattern unit are all inequality arbitrarily.
10. multi-layered sanitary paper products comprise many toilet papers as claimed in claim 7 of range upon range of setting, and two adjacent toilet papers are corresponding to the embossed surface of zones of different in the knurling rolls.
11. multi-layered sanitary paper products as claimed in claim 10; It is characterized in that; In two adjacent toilet papers, at least one in shape, size and the bearing of trend of each the embossed pattern unit in toilet paper is different from the embossed pattern unit of contiguous this embossed pattern unit in another.
12. multi-layered sanitary paper products as claimed in claim 10 is characterized in that the Duplication of these multi-layered sanitary paper products is less than 30%.
13. multi-layered sanitary paper products as claimed in claim 10 is characterized in that, this embossed pattern unit is 40/10 square centimeters to 120/10 square centimeters in the distribution density of every layer of toilet paper, and the area of each this embossed pattern unit is 2mm
2To 6mm
2, the degree of depth of this embossed pattern unit is 0.6mm to 1.2mm.
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|---|---|---|---|
| CN2011101184329A CN102744917A (en) | 2011-05-09 | 2011-05-09 | Embossing roller for paper products, toilet paper with embossing and multi-layer toilet paper product |
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|---|---|---|---|
| CN2011101184329A CN102744917A (en) | 2011-05-09 | 2011-05-09 | Embossing roller for paper products, toilet paper with embossing and multi-layer toilet paper product |
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| CN102744917A true CN102744917A (en) | 2012-10-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350527A (en) * | 2013-07-02 | 2013-10-16 | 金红叶纸业集团有限公司 | Multilayer embossed paper and production process thereof |
| CN103829864A (en) * | 2014-02-28 | 2014-06-04 | 金红叶纸业集团有限公司 | Paper for daily use |
| CN105856633A (en) * | 2015-01-19 | 2016-08-17 | 上海东冠纸业有限公司 | Daily use paper overlock embossing structure in high fit |
| CN110753508A (en) * | 2017-06-30 | 2020-02-04 | 大王制纸株式会社 | Toilet paper |
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| CN103350527A (en) * | 2013-07-02 | 2013-10-16 | 金红叶纸业集团有限公司 | Multilayer embossed paper and production process thereof |
| CN103350527B (en) * | 2013-07-02 | 2016-08-24 | 金红叶纸业集团有限公司 | Multi-layer embossed paper and production technology thereof |
| CN103829864A (en) * | 2014-02-28 | 2014-06-04 | 金红叶纸业集团有限公司 | Paper for daily use |
| CN103829864B (en) * | 2014-02-28 | 2016-07-13 | 金红叶纸业集团有限公司 | Paper for daily use |
| CN105856633A (en) * | 2015-01-19 | 2016-08-17 | 上海东冠纸业有限公司 | Daily use paper overlock embossing structure in high fit |
| CN110753508A (en) * | 2017-06-30 | 2020-02-04 | 大王制纸株式会社 | Toilet paper |
| CN110753508B (en) * | 2017-06-30 | 2022-04-19 | 大王制纸株式会社 | Toilet paper |
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