CN112976624A - Forming and manufacturing process of multicolor spectacle frame - Google Patents
Forming and manufacturing process of multicolor spectacle frame Download PDFInfo
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- CN112976624A CN112976624A CN202110166833.5A CN202110166833A CN112976624A CN 112976624 A CN112976624 A CN 112976624A CN 202110166833 A CN202110166833 A CN 202110166833A CN 112976624 A CN112976624 A CN 112976624A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D12/00—Producing frames
- B29D12/02—Spectacle frames
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Abstract
The application relates to a molding and manufacturing process of a multicolor mirror frame, which comprises the following steps: s1 color matching of the raw materials; s2 granulating; s3, die filling; s4, hot pressing; s5, maintaining pressure and cooling; and S6 demoulding. According to the application, the methyl modified polymethyl methacrylate composition plastic raw material is adopted, the color is almost the same as that of cellulose acetate, and the spectacle frame is manufactured after being heated through a special die, so that the problems of shrinkage and deformation of spectacle frame products are solved.
Description
Technical Field
The application relates to the field of spectacle frame preparation, in particular to a forming and manufacturing process of a multicolor spectacle frame.
Background
Spectacles are a combination of lenses and frames for improving vision, protecting the eyes or for decorative purposes. The glasses can correct a variety of vision problems including myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia. The frame is generally made of metal, plastic or resin, natural materials, mixed materials, etc. Usually, a nose pad is arranged in the middle of the spectacle frame, and the nose pad is in direct contact with the nose and plays a role in supporting and stabilizing the spectacle frame.
The stability of the color and physical properties of the spectacle frame is an important factor for showing the quality of the spectacle. The traditional plastic spectacle frame is monotonous in color, and the grade of the spectacle frame manufactured by spraying and dyeing is not high. At present, the material which can realize color diversification and can be applied to the manufacturing of the spectacle frame is a cellulose acetate rubber plate.
However, the inventors have considered that the cellulose acetate rubber sheet is easily shrunk and deformed, and thus have many problems in the processing and manufacturing process.
Disclosure of Invention
In order to guarantee to improve the intensity of polychrome picture frame, prevent that the spectacle-frame product from shrinking, the problem of deformation, this application provides a shaping manufacturing process of polychrome picture frame.
The application provides a shaping manufacturing process of polychrome picture frame adopts following technical scheme:
a molding and manufacturing process of a multicolor mirror frame comprises the following steps:
s1, color matching of the raw materials, namely selecting the plastic master batches as the raw materials, and mixing the color powder and the plastic master batches according to the required prepared colors to form a plurality of raw materials with single color;
s2 granulating, namely melting a plurality of raw materials with single color respectively, and extruding granules with different sizes and shapes of the single color respectively;
s3, die filling, stacking the extruded particles according to the colors to be prepared, and placing the stacked particles on a lower die of a hot die of a lens frame;
s4, hot pressing, namely pressing the upper die of the mirror frame hot pressing die to the upper side of the lower die and heating the hot pressing die until the laminated particles are hot pressed into a whole;
s5, maintaining pressure and cooling, after hot pressing is completed, maintaining pressure of the mirror frame hot pressing mold, and gradually cooling the upper mold and the lower mold;
s6, removing the mould, taking out the hot pressed frame from the mould and finishing to the required specification and size.
Through adopting above-mentioned technical scheme, the granule of the multiple color of adoption piles up the hot pressing can integrated into one piece picture frame to can make the both sides shaping single color of picture frame after the shaping, and form the interlayer of multiple color at the side of picture frame, because picture frame surface color does not adopt the coating, therefore the picture frame is in the use, and the picture frame color can not be along with using the decoloration, and owing to adopt single color granule to pile up the hot pressing, improves the intensity and the stability of polychrome picture frame, has prolonged life.
Optionally, during die filling, the single-color particles of two adjacent layers are glued and bonded.
Through adopting above-mentioned technical scheme, to the rubber coating between the granule of adjacent two-layer single color, can realize the fixed of adjacent two-layer single color granule relative position, avoid the hot pressing in-process, single color granule produces the displacement, simultaneously, because rubber coating in advance between the adjacent two-layer single color granule makes the combination fastness improvement of adjacent single color granule to integrated into one piece's picture frame intensity behind the improvement hot pressing.
Optionally, during mold filling, after filling the stacked single-color particles into the lower mold, heating the single-color particles on the uppermost layer to a stock solution in a molten state, and then injecting the stock solution heated by the single-color particles on the uppermost layer to the upper side of the stacked multi-color particles until the lower mold is filled.
Through adopting above-mentioned technical scheme, the last layer molten state's that adopts stoste, the upside space of lower mould can be filled on the one hand, and on the other hand can improve the shaping quality of shaping back picture frame upper surface.
Optionally, the plastic master batch is modified polymethyl methacrylate composition plastic master batch.
By adopting the technical scheme, the modified polymethyl methacrylate composition plastic master batch is adopted as the raw material, and the modified polymethyl methacrylate composition plastic master batch has the advantages of high strength and light weight.
Optionally, when the single-color particles of two adjacent layers are glued and bonded, acetone glue is adopted.
Optionally, before filling the plurality of single-color particles in the lower mold, the single-color particles are firstly crushed to the same particle size, and then stacked in a color separation manner.
Through adopting above-mentioned technical scheme, pile up after the granule of single color is broken to the same particle diameter again, can reduce the volume of granule to when guaranteeing the hot pressing, the conjugation degree between the granule.
Optionally, during mold filling, the particles of the single color at the lowermost layer are heated to a molten state and injected into the bottom surface of the lower mold, and after the particle stock solution of the single color at the lowermost layer is cooled to a semi-solid semi-liquid state, the particles of other colors are stacked on the upper side of the particle stock solution of the single color at the lowermost layer.
Through adopting above-mentioned technical scheme, fill the granule stoste of a molten state before placing other single color granules and lay in the downside of lower mould, can fill the downside of lower mould, guarantee the roughness on picture frame two surfaces to can improve the shaping quality of picture frame after the shaping.
Optionally, when the polychrome granule after will smashing is range upon range of and is laid in the lower mould, the middle part of range upon range of granule is arranged in to the picture frame skeleton of taking integrated into one piece, the hot melt temperature of picture frame skeleton is higher than the temperature of granule, and the diameter of picture frame skeleton is less than 1/3 of waiting to form picture frame thickness.
Through adopting above-mentioned technical scheme, pack integrated into one piece's picture frame skeleton in the inside of range upon range of granule, can improve the intensity of picture frame after the shaping.
Optionally, the equal rigid coupling in upper and lower both sides of picture frame skeleton has a plurality of spliced poles, and the equal rigid coupling in tip of spliced pole has can extend to the connection in range upon range of granule downside and range upon range of granule upside molten state's the stoste protruding, connects protruding diameter and is greater than the spliced pole diameter.
Through adopting above-mentioned technical scheme, adopt to extend to the spliced pole in the molten condition with connect protruding, can remain in the monochromatic granule raw materials of picture frame both sides after picture frame hot briquetting in, each layer granule of further shrink improves the joint strength of each layer monochromatic granule.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the picture frame can be integrally formed by stacking and hot-pressing the particles with various colors, single colors can be formed on two sides of the formed picture frame, and the interlayer with various colors is formed on the side edge of the picture frame;
2. the gluing is carried out between the single-color particles of two adjacent layers, so that the relative positions of the single-color particles of the two adjacent layers can be fixed, the displacement of the single-color particles in the hot pressing process is avoided, and meanwhile, the gluing is carried out in advance between the single-color particles of the two adjacent layers, so that the combination firmness of the single-color particles of the two adjacent layers is improved, and the strength of the integrally formed mirror frame after hot pressing is improved;
3. the stock solution in the molten state of the last layer can be used for filling the upper space of the lower die and improving the molding quality of the upper surface of the molded mirror frame.
Drawings
Fig. 1 is a process flow diagram of a forming and manufacturing process of a multi-color spectacle frame according to an embodiment of the present application.
Fig. 2 is a process flow chart of a forming and manufacturing process of a multicolor eyeglass frame in the second embodiment of the present application.
Fig. 3 is a process flow chart of a forming and manufacturing process of a multicolor eyeglass frame in the third embodiment of the present application.
Fig. 4 is a process flow diagram of a forming and manufacturing process of a multicolor eyeglass frame in the fourth embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a forming and manufacturing process of a multicolor spectacle frame.
Example 1
Referring to fig. 1, a molding and manufacturing process of a multicolor eyeglass frame comprises the following steps:
s1 color matching of raw materials: selecting modified polymethyl methacrylate composition plastic master batches as raw materials, and respectively mixing the toner and the modified polymethyl methacrylate composition plastic master batches according to various colors of a required prepared picture frame to form modified polymethyl methacrylate composition plastic master batch raw materials with various single colors;
s2 sheet extrusion: respectively melting the mixed multiple single-color modified polymethyl methacrylate composition plastic master batch raw materials, then respectively extruding the various single-color modified polymethyl methacrylate composition plastic master batch raw materials into single-color particles with different sizes by adopting an extruder, and then cooling the multiple single-color particles to normal temperature;
s3 die filling:
1, stacking a plurality of single-color particles according to required glasses frame colors, placing the particles in a lower die of a glasses frame hot-pressing die, selecting the glasses frame hot-pressing die according to the sizes of glasses frames to be prepared, selecting a die for preparing an arc-shaped glasses frame or a die for preparing a flat-plate glasses frame according to the shapes of the glasses frames to be prepared, and arranging a cavity at the position of a nose support of the die according to whether the glasses frames to be prepared are provided with the nose support or not so as to integrally form the formed glasses frames with the nose support;
2, when multiple single-color particles are stacked, coating acetone glue between adjacent single-color particles to bond two adjacent layers of single-color particles;
3, heating the uppermost single-color particles to be placed in the lower die to a molten state to form a particle stock solution, then injecting the molten single-color particle stock solution to the upper side of the multilayer single-color particles on the inner layer of the lower die, and filling the lower die;
s4, hot pressing, namely, pressing the upper die of the mirror frame hot pressing die downwards to the upper side of the lower die, and simultaneously heating the mirror frame hot pressing die, wherein the hot pressing temperature is kept at 190 ℃ and 250 ℃, the pressure is controlled to be 0.5-0.7Pa, and the hot pressing time is 1.5-2 h;
s5, maintaining pressure and cooling, keeping the pressure of the hot-pressing die for the picture frame for 20-30min after hot pressing is finished, and gradually cooling the upper die and the lower die to cool and form the picture frame in the hot-pressing die for the picture frame;
and S6, removing the die, opening the upper die, taking out the hot-pressed mirror frame from the lower die, and trimming to an appropriate size.
The implementation principle of the embodiment 1 is as follows: the picture frame can be integrally formed by stacking and hot-pressing the particles with various colors, single colors can be formed on two sides of the formed picture frame, and the interlayer with various colors is formed on the side edge of the picture frame, because the surface color of the picture frame does not adopt a coating, the color of the picture frame can not be decolored along with use in the use process of the picture frame, the service life of the picture frame is ensured, in addition, when the particles are subjected to mould filling, the gluing and bonding are carried out between the single color particles of two adjacent layers, the fixing of the relative positions of the single color particles of two adjacent layers can be realized, the displacement of the particles in the hot-pressing process is avoided, meanwhile, because the gluing is carried out between the particles of two adjacent layers, the combination firmness of the single color particles is improved, thereby the strength of the picture frame integrally formed after the hot pressing is improved, the stock solution in the molten state of the, on the other hand can improve the shaping quality of shaping back picture frame upper surface, has guaranteed the intensity stability of shaping back picture frame, has prolonged practical life.
Example 2
Referring to fig. 2, a molding and manufacturing process of a multi-color glasses frame is different from the first embodiment in that:
s3 die filling:
1. crushing the extruded particles with various single colors into the same particle size respectively;
2, stacking and paving the crushed single-color particles in a lower die of a hot-pressing die of the picture frame according to the picture frame color required to be prepared, wherein the hot-pressing die of the picture frame is selected according to the size of the picture frame required to be prepared, a die for preparing an arc-shaped picture frame or a die for preparing a flat-plate picture frame can be selected according to the shape of the picture frame required to be prepared, and a cavity can be arranged at the position of the nose support of the die according to whether the picture frame required to be prepared is provided with the nose support or not, so that the formed picture frame is integrally provided;
3, coating acetone glue between two adjacent layers of the crushed single-color particles with different colors;
4, heating the single-color particles to be placed on the uppermost side of the lower die of the hot-pressing die of the mirror frame to a molten state, then injecting a single-color particle stock solution in the molten state into the upper side of the multiple single-color particles stacked in the lower die, and filling the lower die with the single-color particle stock solution;
the advantage of example 2 compared to example 1 is that: after single color particle is broken to the same particle diameter, when laying in the bed die, can make better packing of single color particle in the bed die, and coating glue between adjacent two-layer broken single color particle, can realize the fixed of adjacent two-layer different colour's single color particle boundary line department, and then after the hot pressing, can guarantee that the boundary between the different colour's single color particle layer is obvious, guarantee the shaping of picture frame color, the intensity of picture frame after the shaping has been guaranteed, and stability, and service life is prolonged.
Example 3
Referring to fig. 3, a molding process for manufacturing a multi-color eyeglass frame, which is different from embodiment 2, includes:
s3 die filling:
1. crushing the extruded particles with various single colors into the same particle size respectively;
heating the single color particles at the lowest layer to a molten state, then injecting a stock solution of the single color particles in the molten state into the bottom surface of a lower die of a hot-pressing die for the picture frame, wherein the hot-pressing die for the picture frame is selected according to the size of the picture frame to be prepared, the die for preparing an arc-shaped picture frame or the die for preparing a flat-plate picture frame can be selected according to the shape of the picture frame to be prepared, and a cavity can be arranged at the position of the nose support of the die according to whether the picture frame to be prepared is molded with the nose support or not, so that the molded picture frame;
3, after the lowest layer of single-color particle stock solution is cooled to a semi-solid and semi-liquid state, stacking and paving the crushed single-color particles on the upper side of the lowest layer of single-color particle stock solution in a molten state according to the color of the picture frame required to be prepared;
4, coating acetone glue between two adjacent layers of the crushed single-color particles with different colors;
and 5, heating the single-color particles to be placed on the uppermost side of the lower die of the hot die for the mirror frame to a molten state, then injecting the single-color particle stock solution in the molten state into the upper side of the multiple single-color particles stacked in the lower die, and filling the lower die.
The advantage of example 3 compared to example 2 is: firstly, the particle raw material in a melting state is injected into the lowest layer of the lower die, so that the single color particles of the lowest layer can be completely attached to the bottom surface of the lower die, the molding quality of the lens frame is ensured, when the single-color particles are crushed to the same particle size and laid on the upper side of the single-particle stock solution of the lowest layer under the condition that the stock solution of the particles of the lowest layer is in a semi-liquid and semi-solid state, can ensure the separation of the single-color particles on the upper layer from the lower layer, avoid the complete immersion of the single-color particles on the upper layer into the particle stock solution in a molten state on the first layer, and glue is coated between the single color particles which are crushed in two adjacent layers, so that the fixation of the boundary of the particles with different colors in two adjacent layers can be realized, and then behind the hot pressing, can guarantee that the boundary between the grained layer of different colors is obvious, guarantee the picture frame color become and guaranteed intensity, the stability of picture frame after the shaping, prolonged life.
Example 4
Referring to fig. 4, a molding manufacturing process of a multicolor eyeglass frame includes the following steps:
s1 color matching of raw materials: selecting modified polymethyl methacrylate composition plastic master batches as raw materials, and mixing the toner and the modified polymethyl methacrylate composition plastic master batches according to the required prepared picture frame color to form modified polymethyl methacrylate composition plastic master batch raw materials with various single colors;
s2 granulating: respectively melting the mixed modified polymethyl methacrylate composition plastic master batch raw materials with multiple single colors, then respectively extruding the modified polymethyl methacrylate composition plastic master batch raw materials with various single colors into single color particles with different shapes and sizes by adopting an extruder, and then cooling the single color particles to normal temperature;
s3 die filling:
1, respectively crushing the extruded multicolor single-color particles into particles with the same particle size;
heating the single color particles at the lowest layer to a molten state, then injecting a stock solution of the single color particles in the molten state into the bottom surface of a lower die of a hot-pressing die for the picture frame, wherein the hot-pressing die for the picture frame is selected according to the size of the picture frame to be prepared, the die for preparing an arc-shaped picture frame or the die for preparing a flat-plate picture frame can be selected according to the shape of the picture frame to be prepared, and a cavity can be arranged at the position of the nose support of the die according to whether the picture frame to be prepared is molded with the nose support or not, so that the molded picture frame;
3, after the lowest layer of single-color particle stock solution is cooled to a semi-solid and semi-liquid state, stacking and paving the crushed single-color particles on the upper side of the lowest layer of single-color particle stock solution in a molten state according to the color of the picture frame required to be prepared;
4. preparing a picture frame framework according to the shape of a picture frame which is actually processed, ensuring that the diameter of the picture frame framework is smaller than 1/3 of the thickness of the picture frame which is actually processed, wherein the picture frame framework can be made of a plastic material with a melting point higher than that of a plastic master batch of the modified polymethyl methacrylate composition, or can be made of stainless steel metal wires, a plurality of connecting columns are fixedly connected to the upper side and the lower side of the picture frame framework, connecting protrusions with diameters larger than the diameters of the connecting columns are fixedly connected to the end parts of the connecting columns, and the surface of the picture frame framework;
5. embedding the picture frame skeleton into the crushed single-color granules, enabling the lower connecting column of the picture frame skeleton to penetrate through the stacked single-color granules and enabling the connecting projection to be inserted into the stock solution in the molten state of the lowest layer, and enabling the upper connecting column of the picture frame skeleton to penetrate through the stacked single-color granules and enabling the connecting projection to extend out of the upper side of the stacked single-color granules;
6, coating acetone glue between two adjacent layers of the crushed single-color particles with different colors;
and 7, heating single color particles to be placed at the uppermost side of the lower die of the hot pressing die for the picture frame to a molten state, injecting a single color particle stock solution in the molten state into the upper sides of the multiple single color particles stacked in the lower die, and enabling the upper side of the uppermost raw material wrapping the picture frame framework in the molten state to be connected with the convex part and fill the lower die.
S4, hot pressing, namely, pressing the upper die of the hot pressing die downwards to the upper side of the lower die, and simultaneously heating the hot pressing die of the mirror frame, wherein the hot pressing temperature is kept at 190 ℃ and 250 ℃, the pressure is controlled to be 0.5-0.7Pa, and the hot pressing time is 1.5-2 h;
s5, maintaining pressure and cooling, keeping the pressure of the hot-pressing die for the picture frame for 20-30min after hot pressing is finished, and gradually cooling the upper die and the lower die to cool and form the picture frame in the hot-pressing die for the picture frame;
and S6, removing the die, opening the upper die, taking out the hot-pressed mirror frame from the lower die, and trimming to an appropriate size.
The implementation principle of the forming and manufacturing process of the multicolor spectacle frame in the embodiment of the application is as follows: firstly, injecting a particle raw material in a molten state into the lowermost layer of the lower die, enabling the single color particles of the lowermost layer to be completely attached to the bottom surface of the lower die, ensuring the forming quality of the picture frame, when the original liquid of the particles of the lowermost layer is in a semi-liquid semi-solid state, and then crushing the single color particles, laying the crushed single color particles on the upper side of the first layer, ensuring the separation of the single color particles of the upper layer and the lower layer, avoiding the complete immersion of the single color particles of the upper layer in the original liquid in the molten state of the first layer, coating glue between the crushed single color particles of the two adjacent layers, realizing the fixation of the boundary of the single color particles of the two adjacent layers with different colors, embedding the picture frame framework in the single color particle layer, further improving the strength of the picture frame, and connecting columns on the upper side and the lower side of the picture frame framework are respectively inserted in, can guarantee the picture frame intensity increase after the shaping, compactness increases between adjacent each layer, and it is coarse to mould frame skeleton, can guarantee to combine closely between picture frame skeleton and the single color granule of raw materials, the glue solution of coating between the single color granule of multilayer is except the bonding that realizes the single color granule, also can fix the picture frame skeleton in the intraformational position of single color granule, guarantee the position of picture frame skeleton in the picture frame behind the shaping after the hot pressing, and then holistic improvement the intensity of picture frame, stability.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A molding and manufacturing process of a multicolor mirror frame is characterized by comprising the following steps:
s1, color matching of the raw materials, namely selecting the plastic master batches as the raw materials, and mixing the color powder and the plastic master batches according to the required prepared colors to form a plurality of raw materials with single color;
s2 granulating, namely melting a plurality of raw materials with single color respectively, and extruding granules with different sizes and shapes of the single color respectively;
s3, die filling, stacking the extruded particles according to the colors to be prepared, and placing the stacked particles on a lower die of a hot die of a lens frame;
s4, hot pressing, namely pressing the upper die of the mirror frame hot pressing die to the upper side of the lower die and heating the hot pressing die until the laminated particles are hot pressed into a whole;
s5, maintaining pressure and cooling, after hot pressing is completed, maintaining pressure of the mirror frame hot pressing mold, and gradually cooling the upper mold and the lower mold;
s6, removing the mould, taking out the hot pressed frame from the mould and finishing to the required specification and size.
2. A process for forming a multi-color spectacle frame according to claim 1, wherein: when the mould is filled, the single-color particles of two adjacent layers are glued and bonded.
3. A process for forming a multi-color spectacle frame as claimed in claim 2, wherein: when the mold is filled, the laminated single-color particles are filled into the lower mold, the single-color particles on the uppermost layer are heated to the stock solution in a molten state, and then the stock solution after the single-color particles on the uppermost layer are heated is injected to the upper side of the laminated multi-color particles until the lower mold is filled.
4. A process for forming a multi-color spectacle frame according to claim 1, wherein: the plastic master batch is modified polymethyl methacrylate composition plastic master batch.
5. A process for forming a multi-color spectacle frame as claimed in claim 2, wherein: and acetone glue is adopted when the single-color particles of the two adjacent layers are glued and bonded.
6. A process for forming a multi-color spectacle frame according to claim 3, wherein: before filling the particles of a plurality of single colors in the lower die, the particles of the single colors are firstly crushed to the same particle size and then stacked in a color separation stacking mode.
7. A process for manufacturing a multi-color spectacle frame according to claim 6, wherein: when the die is filled, the particles with the single color at the lowest layer are heated to a molten state and injected into the bottom surface of the lower die, after the particle stock solution with the single color at the lowest layer is cooled to a semi-solid semi-liquid state, the particles with other colors are laminated on the upper side of the particle stock solution with the single color at the lowest layer.
8. A process for forming a multi-color spectacle frame as claimed in claim 7, wherein: when the lower mould is laid to the polygenetic granule of smashing after range upon range of, the middle part of taking integrated into one piece's picture frame skeleton to arrange range upon range of granule in, the hot melt temperature of picture frame skeleton is higher than the temperature of granule, and the diameter of picture frame skeleton is less than 1/3 of treating shaping picture frame thickness.
9. A process for forming a multi-color spectacle frame as claimed in claim 8, wherein: the equal rigid coupling in upper and lower both sides of picture frame skeleton has a plurality of spliced poles, and the equal rigid coupling in tip of spliced pole has can extend to the connection in range upon range of granule downside and range upon range of granule upside molten state's the stoste protruding, connects protruding diameter and is greater than the spliced pole diameter.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470324A (en) * | 1990-06-29 | 1992-03-05 | Hiroshima Kasei Ltd | Manufacture of covering material for decorative surface |
| CN101670676A (en) * | 2009-09-30 | 2010-03-17 | 邱湟鏻 | Manufacturing method for decorated eyeglass frame or eyeglass leg |
| US20130208442A1 (en) * | 2012-02-13 | 2013-08-15 | Cree, Inc. | Lighting device including multiple wavelength conversion material layers |
| CN107458009A (en) * | 2017-08-30 | 2017-12-12 | 东莞捷胜光学眼镜有限公司 | A kind of composite and its moulding process that spectacle frame is made using acetate fiber |
| CN110154303A (en) * | 2019-06-13 | 2019-08-23 | 西华大学 | A kind of temperature-controlling system and temperature control method based on heat pressing forming machines |
-
2021
- 2021-02-04 CN CN202110166833.5A patent/CN112976624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470324A (en) * | 1990-06-29 | 1992-03-05 | Hiroshima Kasei Ltd | Manufacture of covering material for decorative surface |
| CN101670676A (en) * | 2009-09-30 | 2010-03-17 | 邱湟鏻 | Manufacturing method for decorated eyeglass frame or eyeglass leg |
| US20130208442A1 (en) * | 2012-02-13 | 2013-08-15 | Cree, Inc. | Lighting device including multiple wavelength conversion material layers |
| CN107458009A (en) * | 2017-08-30 | 2017-12-12 | 东莞捷胜光学眼镜有限公司 | A kind of composite and its moulding process that spectacle frame is made using acetate fiber |
| CN110154303A (en) * | 2019-06-13 | 2019-08-23 | 西华大学 | A kind of temperature-controlling system and temperature control method based on heat pressing forming machines |
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