CN107217112A - A kind of leather knurling rolls and the embossing machine with it - Google Patents
A kind of leather knurling rolls and the embossing machine with it Download PDFInfo
- Publication number
- CN107217112A CN107217112A CN201710506315.7A CN201710506315A CN107217112A CN 107217112 A CN107217112 A CN 107217112A CN 201710506315 A CN201710506315 A CN 201710506315A CN 107217112 A CN107217112 A CN 107217112A
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- China
- Prior art keywords
- leather
- knurling rolls
- pyramid
- diagonal
- leather knurling
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/44—Mechanical treatment of leather surfaces
- C14B1/56—Ornamenting, producing designs, embossing
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
- C14B2700/18—Machines for producing designs on leather
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of leather knurling rolls and the embossing machine with it.The leather knurling rolls include roll body, the roll surface of the roll body is provided with multiple projections, for forming the opposite indenture of shape on leather fabric, it is described raised to be shaped as pyramid, wherein, the bottom surface of the pyramid and the roll surface are coplanar, and the projection is evenly distributed on the roll surface so that the spacing distance between two projections of arbitrary neighborhood is equal.The leather knurling rolls of the present invention can form evenly distributed indenture on the extexine of leather fabric, so that on the one hand the leather fabric shows a kind of exclusive solid grain feature, novel appearance is attractive in appearance, on the other hand sense of touch when being in contact with human body can be improved, strengthen gas permeability, improve comfortableness.In addition, the leather fabric that the leather knurling rolls through the present invention are embossed processing also have the advantages that to be easy to arrange, it is easy to clean.
Description
Technical field
The present invention relates to leather production technical field, and in particular to a kind of leather knurling rolls and the embossing machine with it.
Background technology
The every aspect of leather substance and people's daily life is all closely bound up, for example, automotive trim, sofa, bed accessory, seat
Chair, desk tops, building wall, case and bag, clothing and some ornaments etc., are all common leather and fur products.Due to people
These leather and fur products of frequent close contact, therefore to the aesthetic property of its leather fabric, comfortableness and complexity will be arranged
Give more concern.Therefore, those skilled in the art is also pursuing leathering that is more aesthetically pleasing, comfortable and easily arranging always
Material.However, to obtain leather fabric that is attractive in appearance, comfortable and easily arranging, then leather knurling rolls rational in infrastructure are be unable to do without and corresponding
Embossing machine.
The content of the invention
Based on above-mentioned present situation, it is a primary object of the present invention to provide a kind of leather knurling rolls, it can be in leather fabric
Extexine formation three-dimensional composition decorative pattern, and the aesthetic property and comfortableness of leather fabric can be improved, while also making leather fabric
It is easy to arrange.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of leather knurling rolls, including roll body, the roll surface of the roll body are provided with multiple projections, in leather fabric
It is upper to form the opposite indenture of shape, it is described it is raised be shaped as pyramid, wherein, the bottom surface of the pyramid is total to the roll surface
Face, the projection is evenly distributed on the roll surface so that the spacing distance between two projections of arbitrary neighborhood is equal.
Preferably, the bottom surface of the pyramid is the equal polygon of the length of side.
Preferably, it is described raised to be shaped as pyramid shape or hexagonal pyramid shape.
Preferably, the bottom surface of the pyramid is rhombus, square, regular hexagon or flat hexagon.
Preferably, when the bottom surface of the pyramid is rhombus, the length ratio between the long-diagonal and short diagonal of rhombus
Between 1 and 2；When the bottom surface of the pyramid is flat hexagon, between the most long-diagonal of flat hexagon and most short diagonal 4
Length ratio between 1.16-2.5.
Preferably, the bottom surface of the pyramid is rhombus or square, and the multiple projection is on the roll surface simultaneously along the
One direction and second direction are arranged in rows, wherein, the first direction and the second direction are the rhombus or square
Direction where the side of a pair of intersecting.
Preferably, the most long-diagonal of pyramid bottom surface diameter parallel or vertical with the leather knurling rolls.
Preferably, the raised height is between 0.2-0.6mm；
And/or, the length of the most long-diagonal of the pyramid bottom surface is between 2-5mm；
And/or, the spacing distance between two adjacent projections is between 0.5-1.5mm.
Preferably, the raised height is between 0.3-0.5mm；
And/or, the length of the most long-diagonal of the pyramid bottom surface is between 3-4mm；
And/or, the spacing distance between two adjacent projections is between 0.8-1.2mm.
Another object of the present invention is to provide a kind of embossing machine, its technical scheme is as follows：
A kind of embossing machine, for forming decorative pattern on leather surface, it includes foregoing leather knurling rolls.
Preferably, in addition to rubber rollers, the rubber rollers are arranged in parallel with the leather knurling rolls, the rubber rollers and institute
State and form embossing gap between leather knurling rolls.
Preferably, in addition to it is arranged on the pre- hot-rolling and heating mantles of the leather knurling rolls upstream, the heating mantles ladle cover
A part for the pre- hot-rolling, the pre- hot-rolling and the heating mantles are used to preheat leather substrate.
The leather knurling rolls of the present invention can form evenly distributed indenture on the extexine of leather fabric so that the skin
On the one hand leather facing material shows a kind of exclusive solid grain feature, and novel appearance is attractive in appearance, on the other hand can improve and human body
Sense of touch when being in contact, strengthens gas permeability, improves comfortableness.In addition, the leather knurling rolls through the present invention are embossed the leather of processing
Fabric also has the advantages that to be easy to arrange, easy to clean.
Brief description of the drawings
The leather knurling rolls and the preferred embodiment of embossing machine according to the present invention are described hereinafter with reference to accompanying drawing.
In figure：
Fig. 1 is a kind of contour structures schematic diagram of the leather knurling rolls of preferred embodiment of the present invention；
Fig. 2 is the roll surface expanded schematic diagram of Fig. 1 knurling rolls, wherein illustrate only local bulge-structure；
Fig. 3 is A-A schematic cross-sectional views in Fig. 2；
Fig. 4 is the partial enlarged view in B regions in Fig. 2；
Fig. 5 is the rhombus schematic bottom view of pyramid；
Fig. 6 is the flat hexagon schematic bottom view of pyramid；
Fig. 7 is a kind of principle schematic of the embossing machine of preferred embodiment of the present invention.
Embodiment
To obtain leather fabric that is a kind of attractive in appearance, comfortable and easily arranging, the first aspect of the present invention provides a kind of leather
Knurling rolls 1, as Figure 1-4, it includes roll body, and the roll surface 10 of the roll body is provided with multiple raised 11, in leather
The opposite indenture of shape is formed on fabric.Wherein, in Fig. 1, projection 11 is only represented with the form of grid lines in the part of roll surface 10
Presence, so it is easy to understand that projection 11 can spread all over the whole working region of roll surface 10.In the present invention, described raised 11
Pyramid is shaped as, wherein, the bottom surface of the pyramid and the roll surface 10 are coplanar, and described raised 11 is uniform on the roll surface 10
Arrangement so that the spacing distance between two projections of arbitrary neighborhood is equal.
When the leather knurling rolls 1 of the present invention are embossed operation to leather fabric, it will in the extexine of leather fabric
Upper to form multiple indentures, being shaped as the indenture will be inverted pyramid, wherein, the opening of the indenture is the rib
The bottom surface of cone, the bottom surface of the indenture is then each conical surface of the pyramid, also, the indenture is uniformly arranged on leather fabric
Row so that the spacing distance between two indentures of arbitrary neighborhood is equal.
Therefore, it is embossed using the leather knurling rolls of the present invention on the leather fabric obtained after operation, it will form equal
The indenture of even arrangement so that on the one hand the leather fabric can show a kind of exclusive solid grain feature, novel appearance is beautiful
See, on the other hand can improve sense of touch when being in contact with human body, strengthen gas permeability, improve comfortableness.
The present invention leather knurling rolls processing after leather fabric for example can be used for make automotive trim, sofa, bed accessory,
The various leather and fur products such as seat, desk tops, building wall, case and bag, clothing and some ornaments.Human contact these
During the surface of product, because the extexine of its fabric is formed with the indenture of evenly distributed chamfered edge taper, the bottom surface of these indentures
At least a portion will not directly contact human body, but certain gap is kept between meeting and human body, so as to avoid and people
The defect such as the poor air permeability easily brought when body is fitted completely, feeling of oppression and heat be strong, even in hot summer, will not also produce viscous
The sensation of gross weight skin.Simultaneously as the indenture on fabric is evenly distributed, the region between each indenture is one coherent whole
Body, can form uniform contact and support to human body, human body is not felt as granular sensation and feel with uneven, thus comfortableness is non-
Chang Gao.
In addition, the leather fabric after leather knurling rolls of the present invention processing also have the advantages that to be easy to arrange, it is easy to clean.By
The indenture of inverted pyramidal shapes is provided that in web surface, ensure that does not have deep and narrow ditch slot texture on web surface,
Sheltered evil people and countenance evil practices so as to be prevented effectively from.Even if web surface forms dirty, also only need to be wiped and can be completed with wet soft cleaning cloth
Cleaning, the slope characteristic of indenture bottom surface (being made up of the conical surface of pyramid) enables dirt to be easily cleaned out.
Preferably, as shown in Fig. 2 the bottom surface (namely bottom surface of projection 11) of the pyramid is the equal polygon of the length of side.
In the case where multiple polygonal length of sides are equal, multiple polygons easily realize proper alignment.For example, adjacent two are polygon
The side close to each other of shape can be with parallel to each other and aligned with each other, so as to be easy to that symmetrical pattern is presented, so as in leather fabric
The aesthetic feeling of leather fabric is improved during upper formation indenture.Certainly, the bottom surface of pyramid can also be the unequal polygon of the length of side, for example
Rectangle, parallelogram etc., can equally realize the purpose of the present invention.
Preferably, raised 11 shape can be pyramid shape or hexagonal pyramid shape.For example, as in Figure 2-4, it is raised
11 are shaped as pyramid shape, and it includes four conical surfaces, be for respectively forming four parts of corresponding indenture bottom surface.Rectangular pyramid
Or hexagonal pyramid is because itself being easily presented higher symmetry, and the easily arrangement of formation rule in order, thus can be in vision
Strengthen the aesthetic property of corresponding leather fabric in effect.Certainly, the pyramid of other forms is also equally possible, and it is improving skin
Advantage in terms of the comfortableness of leather facing material, the easily property arranged is equally obvious.
Preferably, as shown in Figure 2 and Figure 4, the bottom surface of the pyramid is rhombus.Alternatively, the bottom surface of pyramid can also be
Square.Or, when the projection using hexagonal pyramid shape, the bottom surface of its pyramid can be regular hexagon or flat hexagon.
Wherein, the projection 11 of rhombus bottom surface is arranged in phase for the projection of square bottom surface because of these projections
It is presented regular in the both direction of mutual out of plumb, therefore, it is possible to cause the decorative pattern on corresponding leather fabric surface same mutual
It is presented regular in the both direction of out of plumb, so as to avoid smooth vertical and horizontal simple arrangement mode, in visual effect
More prominent, aesthetic property is stronger.Equally, flat hexagon bottom surface is raised for the projection of regular hexagon bottom surface, equally
Have the advantages that aesthetic property is stronger.
Preferably, as shown in Fig. 2 raised 11 bottom surface (bottom surface of i.e. corresponding pyramid) is rhombus or square,
The multiple raised 11 are arranged in rows with second direction in the first direction simultaneously on the roll surface 10, wherein, the first party
Direction to where the side with a pair of intersecting that the second direction is the rhombus or square.In Fig. 2, first direction and
Second direction is for example respectively upper left side and lower left.That is, when the bottom surface (namely bottom surface of corresponding pyramid) of projection 11 is
When rhombus or square, the Rankine-Hugoniot relations between each projection 11 is：Multiple raised 11 alignments along a first direction, in addition
Multiple raised 11 along second direction alignment.So, to form a shape similar again for four projections 11 of arbitrary neighborhood
Rhombus or square, moreover, the region between adjacent projection 11 then forms network or square net, show rule
Then orderly form, then be combined with the three-dimensional composition of projection 11, then enable the decorative pattern on the leather fabric surface after being embossed
Show the other style aesthetic feeling just like as the building structure of urban.
When projection 11 is using rhombus bottom surface or flat hexagon bottom surface, a certain degree of long and narrow characteristic is presented in its profile,
Becoming excessively long and narrow for the shape that avoids the indenture opening formed on leather fabric influences the easy property arranged of leather fabric, can
Further restriction is done with bottom surface (bottom surface of i.e. corresponding pyramid) shape to projection 11.Because raised bottom surface now has length
Diagonal and short diagonal, are defined that can to form shape suitable by the length relation to long-diagonal and short diagonal
Rhombus or flat hexagon.For example, as shown in figure 5, rhombus bottom surface have a long-diagonal 111 and a short diagonal 112, and
As shown in fig. 6, flat hexagon bottom surface then has a most long-diagonal 113, two most short diagonals 114 and six length
Other diagonal (being not drawn into figure) between most long-diagonal 113 and most short diagonal 114.It is therefore preferred that this hair
In bright, the length ratio between the long-diagonal 111 and short diagonal 112 of rhombus bottom surface is between 1-5, more preferably between 1 and 2,
And the length ratio between the most long-diagonal 113 of flat hexagon bottom surface and most short diagonal 114 more preferably exists between 1.16-6
1.16-2.5 between.
Preferably, as shown in figure 3, described raised 11 height H is between 0.2-0.6mm, preferably 0.3-0.5mm it
Between, such as 0.35mm.The height of projection 11 correspond to the depth of the indenture formed on leather fabric.It is readily appreciated that, projection 11
Although height H is excessive or the too small aesthetic property on leather fabric influences little, may influence leather fabric comfortableness or
The easy property arranged, for example, height H is excessive, then corresponding indenture depth is too deep, and inside is easily sheltered evil people and countenance evil practices, and not easy to clean；And it is high
Spend that H is too small, then corresponding indenture depth is excessively shallow, when can cause corresponding leather fabric contact human body between indenture bottom surface and human body
Gap it is too small, cause the sensation of adhesion skin, influence comfortableness.
Preferably, as shown in Figure 3-4, the length of the most long-diagonal of raised 11 bottom surface (bottom surface of i.e. corresponding pyramid)
L is spent between 2-5mm, preferably between 3-4mm.It is readily appreciated that, most long-diagonal L is bigger, it is meant that corresponding leather fabric
The minimum unit (i.e. single indenture) of the decorative pattern of upper formation is also bigger, and its Macrovision effect showed can gradually change,
And then the aesthetic property of leather fabric can be influenceed；Vice versa.In addition, most long-diagonal L is excessive or too small, human contact is corresponding
Sensation during leather fabric can also change, and comfortableness can all decline.
Preferably, as shown in figure 4, the spacing distance D between two adjacent projections 11 is between 0.5-1.5mm, preferably
Between 0.8-1.2mm, such as 1mm.It is readily appreciated that, spacing distance D is excessive or too small one side will influence corresponding leathering
The aesthetic property of material, on the other hand can also affect to the comfortableness of corresponding leather fabric, for example, when D is excessive, skin
Leather facing material and the area of human contact become big, thus ventilative comfortableness can decline.
Preferably, the most long-diagonal of raised 11 bottom surface (bottom surface of i.e. corresponding pyramid) is embossed with the leather
The diameter parallel of roller 1 is vertical.So, it is recessed in obtained leather pattern after processing is embossed to continuous leather fabric
The most long-diagonal of trace will be perpendicular or parallel with the length direction of fabric.
The leather knurling rolls 1 of the present invention can be used for being embossed operation, such as natural leather (i.e. to various leather fabrics
Corium), artificial leather or synthetic leather, PVC or PU etc..
Another object of the present invention also resides in a kind of embossing machine of offer, and it includes leather knurling rolls 1 of the present invention, with
For forming decorative pattern on leather surface.A kind of schematic diagram of preferred embodiment of the embossing machine is as shown in Figure 7.
Wherein, the embossing machine includes embossed area, and the leather knurling rolls 1 are arranged in the embossed area.
Preferably, rubber rollers 2 are there also is provided in embossed area, it is abreast arranged with knurling rolls 1, between the roll surface of the two
Form embossing gap.Rubber rollers 2 can also replace with other devices, as long as stable embossing gap and effectively supporting skin can be formed
Leather base material 5 is to complete embossing operation.
Preferably, the embossing machine also includes preheated zone, and the preheated zone is located at the upstream of the embossed area, and this is pre-
Pre- hot-rolling 3 and heating mantles 4 are disposed with thermal region, a part for pre- hot-rolling 3 described in the ladle cover of heating mantles 4, the pre- hot-rolling 3
It is used to preheat leather substrate 5 with the heating mantles 4.
In specific works, the operating process of the embossing machine is for example including step：
S10, leather substrate 5 is entered preheated zone, and at least bypass the pre- hot-rolling 3 by ladle cover part, and borrow
The leather substrate 5 for helping 4 pairs of processes of heating mantles is heated；
S20, the leather substrate after preheating 5 is set to enter embossed area, the embossing between leather knurling rolls 1 and rubber rollers 2
Gap is passed through, so as to form indenture on the extexine of leather substrate 5 under the rolling effect of leather knurling rolls 1, is made a reservation for
Decorative pattern.
Wherein, leather substrate 5 of the present invention is by the leather substance after Coating technology.
Preferably, operationally, the rotating speed of its leather knurling rolls 1 is embossing machine of the invention：Linear velocity 8-20m/min.
Experiment is proved, with the knurling rolls of the rotation speed operation leather substrate 5 can be made to produce reliable local deformation, while ensureing production effect
Rate.
Preferably, operationally, the embossing gap of the leather knurling rolls 1 is corresponding leather base to embossing machine of the invention
0.6-0.8 times of the thickness of material 5, when the leather substrate 5 after preheating passes through the embossing gap less than its own thickness, ensure that
Local permanent deformation is produced under the squeezing action of projection 11 of its extexine on knurling rolls 1, so as to form required indenture.
In the context of the present invention, many number ranges are occurred in that, without specified otherwise and in the absence of the situation of contradiction
Under, all number ranges include its endpoint value.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, various obvious or equivalent modification or replace that those skilled in the art can make for above-mentioned details
Change, be all included in scope of the presently claimed invention.
Claims (12)
1. a kind of leather knurling rolls, including roll body, it is characterised in that the roll surface of the roll body is provided with multiple projections, for
Form the opposite indenture of shape on leather fabric, it is described it is raised be shaped as pyramid, wherein, the bottom surface of the pyramid and institute
State roll surface coplanar, the projection is evenly distributed on the roll surface so that the spacing distance between two projections of arbitrary neighborhood
It is equal.
2. leather knurling rolls according to claim 1, it is characterised in that the bottom surface of the pyramid is equal polygon of the length of side
Shape.
3. leather knurling rolls according to claim 1, it is characterised in that described raised to be shaped as pyramid shape or six ribs
Taper.
4. leather knurling rolls according to claim 3, it is characterised in that the bottom surface of the pyramid is rhombus, square, just
Hexagon or flat hexagon.
5. leather knurling rolls according to claim 4, it is characterised in that when the bottom surface of the pyramid is rhombus, rhombus
Long-diagonal and short diagonal between length ratio between 1 and 2；When the bottom surface of the pyramid is flat hexagon, flat six side
Length ratio between the most long-diagonal of shape and most short diagonal 4 is between 1.16-2.5.
6. leather knurling rolls according to claim 3, it is characterised in that the bottom surface of the pyramid is rhombus or square,
It is the multiple projection on the roll surface simultaneously be arranged in rows in the first direction with second direction, wherein, the first direction and
The second direction is the direction where the side of a pair of intersecting of the rhombus or square.
7. leather knurling rolls according to claim 3, it is characterised in that the most long-diagonal of the pyramid bottom surface with it is described
The diameter parallel of leather knurling rolls is vertical.
8. the leather knurling rolls according to one of claim 1-7, it is characterised in that the raised height is in 0.2-
Between 0.6mm；
And/or, the length of the most long-diagonal of the pyramid bottom surface is between 2-5mm；
And/or, the spacing distance between two adjacent projections is between 0.5-1.5mm.
9. leather knurling rolls according to claim 8, it is characterised in that the raised height is between 0.3-0.5mm；
And/or, the length of the most long-diagonal of the pyramid bottom surface is between 3-4mm；
And/or, the spacing distance between two adjacent projections is between 0.8-1.2mm.
10. a kind of embossing machine, for forming decorative pattern on leather surface, it is characterised in that including according to one of claim 1-9
Described leather knurling rolls.
11. embossing machine according to claim 10, it is characterised in that also including rubber rollers, the rubber rollers and the skin
Knurling rolls parallel arrangement is removed from office, embossing gap is formed between the rubber rollers and the leather knurling rolls.
12. the embossing machine according to claim 10 or 11, it is characterised in that also including being arranged on the leather knurling rolls
The pre- hot-rolling and heating mantles of trip, a part for pre- hot-rolling described in the heating mantles ladle cover, the pre- hot-rolling and the heating mantles are used
Preheated in leather substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506315.7A CN107217112A (en) | 2017-06-21 | 2017-06-21 | A kind of leather knurling rolls and the embossing machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506315.7A CN107217112A (en) | 2017-06-21 | 2017-06-21 | A kind of leather knurling rolls and the embossing machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107217112A true CN107217112A (en) | 2017-09-29 |
Family
ID=59951048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710506315.7A Pending CN107217112A (en) | 2017-06-21 | 2017-06-21 | A kind of leather knurling rolls and the embossing machine with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN107217112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616347A (en) * | 2019-10-31 | 2022-06-10 | 派致制造有限公司 | Patterned natural leather seat and method of patterning natural leather |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE668051C (en) * | 1938-11-25 | Dr Frank English | Machine for making gathered leather | |
| US4343848A (en) * | 1980-12-15 | 1982-08-10 | Ethyl Corporation | Embossed thermoplastic material |
| WO2012093866A2 (en) * | 2011-01-05 | 2012-07-12 | An Gwang Sik | Device for embossing artificial leather |
| CN103448307A (en) * | 2012-05-29 | 2013-12-18 | 东洋纺株式会社 | Resin coating non-woven fabric |
| CN205556713U (en) * | 2016-04-20 | 2016-09-07 | 无锡市格莱特塑胶化工有限公司 | Multi -functional leather coining mill |
-
2017
- 2017-06-21 CN CN201710506315.7A patent/CN107217112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE668051C (en) * | 1938-11-25 | Dr Frank English | Machine for making gathered leather | |
| US4343848A (en) * | 1980-12-15 | 1982-08-10 | Ethyl Corporation | Embossed thermoplastic material |
| WO2012093866A2 (en) * | 2011-01-05 | 2012-07-12 | An Gwang Sik | Device for embossing artificial leather |
| CN103448307A (en) * | 2012-05-29 | 2013-12-18 | 东洋纺株式会社 | Resin coating non-woven fabric |
| CN205556713U (en) * | 2016-04-20 | 2016-09-07 | 无锡市格莱特塑胶化工有限公司 | Multi -functional leather coining mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616347A (en) * | 2019-10-31 | 2022-06-10 | 派致制造有限公司 | Patterned natural leather seat and method of patterning natural leather |
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Application publication date: 20170929 |
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