CN101224339A - Mahjong and fabricating method thereof - Google Patents
Mahjong and fabricating method thereof Download PDFInfo
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- CN101224339A CN101224339A CNA2007100264438A CN200710026443A CN101224339A CN 101224339 A CN101224339 A CN 101224339A CN A2007100264438 A CNA2007100264438 A CN A2007100264438A CN 200710026443 A CN200710026443 A CN 200710026443A CN 101224339 A CN101224339 A CN 101224339A
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Abstract
The invention discloses a mahjong and a manufacturing method of the mahjong. A front face of the mahjong has a name and a back face has patterns which project outwards. The back face is covered by a surface layer which covers areas projecting around patterns. The invention directly adopts the colorful surface layer around the patterns to displace the original transparent layer covering patterns on the back face of the mahjong body so as to realize the aim of protecting the patterns and avoiding crack of the transparent layer. The mahjong adopts different colors for the shaping of a main body layer, a pattern layer and the surface layer so as to lead the mahjong to be more colorful and the mahjong form to be more elegant.
Description
Technical field
The present invention relates to a kind of mahjong and manufacture method thereof.
Background technology
Present mah-jong pieces are raw material with Powdered urea resin generally, add the additive of different colours, be pressed into mah-jong pieces through the mould HTHP with white body layer and coloured decorations layer, cover the hyaline layer that one deck does not add the urea resin formation of any additive in coloured decorations layer end face again, promptly form complete mah-jong pieces after the process grinding step is removed acute angle at last.Yet the urea resin of white body layer, coloured decorations layer is mixed with additive, hyaline layer then is simple urea resin, characteristics such as both density, the coefficient of expansion there are differences, because white body layer, coloured decorations layer are different with the degree of expanding with heat and contract with cold of hyaline layer, crackle appears in mah-jong pieces easily, even bulk comes off.
For this reason, application number is the manufacture method that 200410006026.3 application for a patent for invention file discloses a kind of mah-jong pieces, at first Powdered urea resin is positioned over to carry out high-temperature pressurizing in the bottom bed die to form the white body layer that the bottom has pattern or font; Next set up the middle level bed die, and Powdered coloured urea resin is layed on the high temperature white body layer, the mold that utilizes the bottom surface to be formed with raised design carries out the second road high-temperature pressurizing step, be incorporated into coloured decorations layer of white body layer end face with formation, and this coloured decorations layer end face and have the depression of pattern form; Then set up the top layer bed die, and the Powdered transparent urea resin of any additive that will not mix is layed on the coloured decorations layer of high temperature, utilization is organized dull and stereotyped mold separately and is carried out last one high-temperature pressurizing step, be incorporated into the hyaline layer on coloured decorations layer top with formation, form the thick embryo of mah-jong pieces, make the thick embryo of mah-jong pieces be polished at last and expose coloured decorations layer and filled up by transparent urea resin and be the formed pattern of depression of flush state through grinding and polishing to the hyaline layer of end face.
Though said method has reduced the ratio of hyaline layer to greatest extent in the mode that polishes, however its mahjong constitute by the tangible material of two specific character differences all the time, the problem of the degree of expanding with heat and contract with cold inequality still exists; And this mahjong only is made of two kinds of colors, and the same with traditional mahjong, dull coloring is dull.
Summary of the invention
In order to overcome above-mentioned shortcoming, the invention provides a kind of overall permanence evenly, not explosion, coloury mahjong and manufacture method thereof.
The objective of the invention is to be achieved through the following technical solutions: a kind of mahjong, comprise that the front has the board body that board name, the back side have pattern, wherein board body pattern outwards protrudes, and the board body back side is coated with the top layer, and the top layer is covered in the periphery that protrudes pattern.
The thickness on described top layer equates that with the protrusion height of board body pattern the mahjong back side flushes.
The thickness on described top layer less than or greater than the protrusion height of board body pattern, corresponding protrusion of board body pattern or recessed top layer.
The sidewall on described top layer is wrapped in the patterned layer or the sidewall of patterned layer is wrapped in the top layer.
Described board body is made up of the body layer and the patterned patterned layer of band board name, and body layer is provided with cavity volume, is filled with the board core in the cavity volume, and the board core is by body layer and patterned layer parcel.
A kind of method of making above-mentioned mahjong, the board body that utilizes mould molding to have to protrude pattern covers a top layer on the end face of pattern one side of board body, and the top layer is covered in the periphery that protrudes pattern.
Described mahjong is mainly finished by following operation, first body layer with mould molding band board name and cavity volume; In the cavity volume of body layer, fill the board core; With the patterned layer of mould molding sealing board core, pattern is protruded in patterned layer moulding simultaneously again; Be covered in the top layer that patterned layer is protruded the pattern periphery with mould molding then.
Each of described mahjong layer all adopts the Shooting Technique moulding, and the injection orifice of body layer is positioned at the top side wall of cavity volume openend; The injection orifice of patterned layer is positioned at the lowest surfaces of this layer; The injection orifice on top layer is positioned at the position, angle of this layer.
Each of described mahjong layer all adopts high temperature compression moulding.
Described body layer, patterned layer and top layer are nontransparent acrylic materials.
The present invention has abandoned being covered in the hyaline layer of mahjong body layer back side pattern in the past, directly adopt coloured top layer around the pattern periphery, both reached the purpose of display pattern, also avoided the situation of hyaline layer explosion to take place, and the different colours moulding of the body layer of mahjong of the present invention, patterned layer and top layer three employing, make the color of mahjong more bright-colored, moulding is more attractive in appearance.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 1 is the STRUCTURE DECOMPOSITION figure of mahjong of the present invention;
Fig. 2 is first embodiment of mahjong structure of the present invention;
Fig. 3 is second embodiment of mahjong structure of the present invention;
Fig. 4 is the 3rd embodiment of mahjong structure of the present invention;
Fig. 5 is the manufacturing approach craft flow chart of mahjong of the present invention.
The specific embodiment
Mahjong of the present invention, as shown in Figure 1, form by the patterned patterned layer 2 of the body layer 1 of just wearing the board name and the back side, body layer 1 is provided with cavity volume 11, is filled with board core 3 in the cavity volume 11, and board core 3 is by body layer 1 and patterned layer 2 parcels, wherein the pattern 21 of board body patterned layer 2 outwards protrudes, the board body back side is coated with top layer 4, and top layer 4 is covered in the periphery that protrudes pattern 21, promptly forms the through hole 41 suitable with protruding pattern 21 on the top layer 4.
According to the difference of design, the thickness of board body surface layer 4 can equate with the protrusion height of board body pattern 21, the mahjong back side is flushed.
For increasing the feel of board body, the mahjong back side can be designed to concavo-convex, and promptly the thickness on top layer 4 is less than the protrusion height of board body pattern 21, board body pattern 21 corresponding protrusion top layers 4, or the thickness on top layer 4 is greater than the protrusion height of board body pattern 21, board body pattern 21 corresponding recessed top layers 4.
Shown in Fig. 2 to 4, be respectively three kinds of embodiment of invention, wherein Fig. 2 is that patterned layer 2, top layer 4 all reveal, and Fig. 3 is that the sidewall on top layer 4 is wrapped in the patterned layer 2, and Fig. 4 is that the sidewall of patterned layer 2 is wrapped in the top layer 4.
A kind of method of making above-mentioned mahjong utilizes mould molding to have the board body that protrudes pattern 21, covers a top layer 4 on the end face of pattern one side of board body, and top layer 4 is covered in the periphery that protrudes pattern 21.
Fig. 5 is the concrete process flow chart of above-mentioned manufacture method, first body layer 1 with mould molding band board name and cavity volume; In the cavity volume 11 of body layer 1, fill board core 3; With the patterned layer 2 of mould molding sealing board core 3, pattern 21 is protruded in patterned layer 2 moulding simultaneously again; Be covered in the top layer 4 that patterned layer 2 is protruded patterns 21 peripheries with mould molding then, pass through operation such as grinding and polishing at last after, make the finished product shown in Fig. 2 to 4.
The Shooting Technique moulding is adopted on the body layer 1 of mahjong of the present invention, patterned layer 2 and top layer 4, adopts its injection orifice position of product of Shooting Technique moulding to occur weld mark easily, and weld mark not only influences the outward appearance of product, has also reduced the intensity of product.Therefore select suitable injection position not only to help reducing unnecessary follow-up ground-parallel, after enhancing productivity, also provide cost savings.The injection orifice of body layer 1 is positioned at the top side wall of cavity volume 11 openends among the present invention, during patterned layer 2 moulding, then the weld mark of body layer 1 is hidden; The injection orifice of patterned layer 2 is positioned at the lowest surfaces of this layer, during 4 moulding of top layer, then the weld mark of patterned layer 2 is hidden; The injection orifice on top layer 4 is positioned at the position, angle of this layer, and weld mark is together eliminated in follow-up mahjong grinding and polishing operation.
In addition, above-mentioned each layer also can adopt high temperature compression moulding.
The body layer 1 of mahjong of the present invention, patterned layer 2 and top layer 4 are nontransparent acrylic materials, and three layer bodies adopt three kinds of different color moulding respectively, make the mahjong overall color more attractive in appearance brilliant.
Claims (10)
1. mahjong comprises that the front has the board body that board name, the back side have pattern, and it is characterized in that: described board body pattern outwards protrudes, and the board body back side is coated with the top layer, and the top layer is covered in the periphery that protrudes pattern.
2. mahjong according to claim 1 is characterized in that: the thickness on described top layer equates that with the protrusion height of board body pattern the mahjong back side flushes.
3. mahjong according to claim 1 is characterized in that: the thickness on described top layer less than or greater than the protrusion height of board body pattern, corresponding protrusion of board body pattern or recessed top layer.
4. mahjong according to claim 1 is characterized in that: the sidewall on described top layer is wrapped in the patterned layer or the sidewall of patterned layer is wrapped in the top layer.
5. mahjong according to claim 1 is characterized in that: described board body is made up of the body layer and the patterned patterned layer of band board name, and body layer is provided with cavity volume, is filled with the board core in the cavity volume, and the board core is by body layer and patterned layer parcel.
6. make the method that aforesaid right requires described mahjong for one kind, it is characterized in that: the board body that utilizes mould molding to have to protrude pattern, on the end face of pattern one side of board body, cover a top layer, the top layer is covered in the periphery that protrudes pattern.
7. mahjong fabricating method according to claim 6 is characterized in that: described mahjong is mainly finished by following operation, first body layer with mould molding band board name and cavity volume; In the cavity volume of body layer, fill the board core; With the patterned layer of mould molding sealing board core, pattern is protruded in patterned layer moulding simultaneously again; Be covered in the top layer that patterned layer is protruded the pattern periphery with mould molding then.
8. mahjong fabricating method according to claim 7 is characterized in that: each of described mahjong layer all adopts the Shooting Technique moulding, and the injection orifice of body layer is positioned at the top side wall of cavity volume openend; The injection orifice of patterned layer is positioned at the lowest surfaces of this layer; The injection orifice on top layer is positioned at the position, angle of this layer.
9. mahjong fabricating method according to claim 7 is characterized in that: each of described mahjong layer all adopts high temperature compression moulding.
10. mahjong fabricating method according to claim 7 is characterized in that: described body layer, patterned layer and top layer are nontransparent acrylic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100264438A CN101224339B (en) | 2007-01-19 | 2007-01-19 | Mahjong and fabricating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100264438A CN101224339B (en) | 2007-01-19 | 2007-01-19 | Mahjong and fabricating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101224339A true CN101224339A (en) | 2008-07-23 |
| CN101224339B CN101224339B (en) | 2011-06-15 |
Family
ID=39856677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100264438A Expired - Fee Related CN101224339B (en) | 2007-01-19 | 2007-01-19 | Mahjong and fabricating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101224339B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728051A (en) * | 2011-04-15 | 2012-10-17 | 刘明辉 | Environment-friendly dice and manufacturing method thereof |
| CN102922931A (en) * | 2011-08-08 | 2013-02-13 | 云廷志 | Method for forming three-dimensional pattern on surface of mahjong tile |
| CN114748867A (en) * | 2022-04-26 | 2022-07-15 | 海南美利高进出口贸易有限公司 | Mahjong for electric mahjong machine and manufacturing method thereof |
-
2007
- 2007-01-19 CN CN2007100264438A patent/CN101224339B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728051A (en) * | 2011-04-15 | 2012-10-17 | 刘明辉 | Environment-friendly dice and manufacturing method thereof |
| CN102922931A (en) * | 2011-08-08 | 2013-02-13 | 云廷志 | Method for forming three-dimensional pattern on surface of mahjong tile |
| CN114748867A (en) * | 2022-04-26 | 2022-07-15 | 海南美利高进出口贸易有限公司 | Mahjong for electric mahjong machine and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101224339B (en) | 2011-06-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20120119 |