Method for manufacturing skateboard

Abstract

A method for manufacturing a skateboard, includes steps of: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board; sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding; cutting the foam board into an internal core layer; cutting the foam board into an upper surface layer and a lower surface layer; and then adhering the upper surface layer and the lower surface layer with the internal core layer together by EVA resin, and wrapping the internal core layer between the upper surface layer and the lower surface layer; printing a pattern layer on a surface of the plate body by laser printing; and casting a layer of the plastic film.

Claims

1. A method for manufacturing a skateboard, comprising steps of: step (1) manufacturing an internal core board, comprising: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board; step (2) manufacturing an upper surface board and a lower surface board, comprising: sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding for serving as a foam sheet material of an upper surface board and a lower surface board; step (3) cutting and molding, comprising: cutting the foam board in the step (1) into an internal core layer 1 which is preset in step 4; step (4) manufacturing a plate body, comprising: placing the internal core layer (1) between the upper surface layer (2) and the lower surface layer (3), and then adhering the upper surface layer (2) and the lower surface layer (3) with the internal core layer (1) together by EVA resin, and wrapping the internal core layer (1) between the upper surface layer (2) and the lower surface layer (3) to form a board according to requirement of a skateboard; step (5) manufacturing a pattern layer on a surface of the plate body, comprising: printing a pattern layer (5) on a surface of the plate body by laser printing; and step (6) manufacturing a plastic film, and a layer of plastic film (4) is cast on the pattern layer on the bottom surface of the plate body, casting a layer of the plastic film (4) on the pattern layer provided on a bottom layer of the plate body, in such a manner that the method for manufacturing the skateboard is completed; wherein a process of the laser printing comprises steps of: step (a) performing primer treatment on a PET film with an acrylic resin, and performing laser embossing on the PET film treated, and then vacuum-aluminizing the PET film to obtain a composite PET film desired; step (b) covering a composite PET film with polyurethane printing ink by gravure to form an ink layer, and painting a surface of the ink layer printed with an acrylic resin by a brush to form a protective film layer; step (c) brushing polyurethane glue on a surface of the PE film which is transparent, after drying in an oven, covering a glue surface of the PE film on an ink surface of the composite PET film, and then pressing by a press roll, wherein a pressing pressure is at a range of 0.8-1.2 MPa, a temperature of a pressure roller is at a range of 60-80 C.; after the pressing, the PET film is peeled off the PE film to transfer an ink and laser effect to the PE film which is transparent; step (d) brushing a layer of polyurethane glue on an external surface of the plate body, then drying the plate body at a set temperature, and then covering the ink pattern layer of the PE film which is transparent to a surface of the plate body dried; step (e) transferring the plate body covered with the PE film to a curing chamber at a constant temperature of 40 C. for aging, and taking out after an aging time of 46-50 hours to obtain a laser-printed pattern.

2. The method for manufacturing the skateboard, as recited in claim 1, wherein the organic polymer material adopted in the step (1) is a plastic made of EPS, EPP or EPO.

3. The method for manufacturing the skateboard, as recited in claim 1, wherein the organic polymer material adopted in the step (2) is a plastic made of LDPE.

4. The method for manufacturing the skateboard, as recited in claim 1, wherein the plastic film in the step (5) is made of HDPE plastic.

5. The method for manufacturing the skateboard, as recited in claim 1, wherein in the laser printing, the step (a) adopts a PET film with a thickness of 0.015 mm.

6. The method for manufacturing the skateboard, as recited in claim 1, wherein in the laser printing, the drying the step (d) is performed in the oven, and a temperature set is at a range of 70-80 C.

7. The method for manufacturing the skateboard, as recited in claim 1, a layer of cushioning plastic (31) is adhered and fixed to a bottom chamfer of a side wall of the skateboard which is finished.

8. A method for manufacturing a skateboard, specifically comprising steps of: step (1) manufacturing an internal core board, comprising: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board; step (2) manufacturing an upper surface board and a lower surface board, comprising: sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding for serving as a foam step (3) cutting and molding, comprising: cutting the foam board in the step (1) into an internal core layer 1 which is preset in step 4; step (4) manufacturing a plate body, comprising: placing the internal core layer (1) between the upper surface layer (2) and the lower surface layer (3), and then adhering the upper surface layer (2) and the lower surface layer (3) with the internal core layer (1) together by EVA resin, and wrapping the internal core layer (1) between the upper surface layer (2) and the lower surface layer (3) to form a board according to requirement of a skateboard; step (5) manufacturing a pattern layer on a surface of the plate body, comprising: printing a pattern layer (5) on a surface of the plate body by laser printing; and step (6) manufacturing a plastic film, and a layer of plastic film (4) is cast on the pattern layer on the bottom surface of the plate body, casting a layer of the plastic film (4) on the pattern layer provided on a bottom layer of the plate body, in such a manner that the method for manufacturing the skateboard is completed; wherein a process of the laser printing comprises steps of: step (a) performing primer treatment on a PET film with an acrylic resin, and performing laser embossing on the PET film treated, and then vacuum-aluminizing the PET film to obtain a composite PET film desired; step (b) covering a composite PET film with polyurethane printing ink by gravure to form an ink layer, and painting a surface of the ink layer printed with an acrylic resin by a brush to form a protective film layer; step (c) brushing polyurethane glue on a surface of the PE film which is transparent, after drying in an oven, covering a glue surface of the PE film on an ink surface of the composite PET film, and then pressing by a press roll, wherein a pressing pressure is at a range of 0.8-1.2 MPa, a temperature of a pressure roller is at a range of 60-80 C.; after the pressing, the PET film is peeled off the PE film to transfer an ink and laser effect to the PE film which is transparent; step (d) brushing a layer of polyurethane glue on an external surface of a porcelain white PE film, then sending porcelain white PE film with the layer of polyurethane glue brushed into the oven for drying, and then covering and adhering a glue surface of the porcelain white PE film dried on an the ink surface of the PE film which is transparent; step (e) transferring the PE film adhered to a curing chamber at a constant temperature of 40 C. for aging, and taking out after an aging time of 46-50 hours to obtain a laser PE film; step (f) coating and adhering a porcelain white PE film surface of the laser PE film on an external surface of the plate body by glue coating, thereby obtaining a laser printing pattern.

9. The method for manufacturing a skateboard, as recited in claim 8, wherein the organic polymer material adopted in the step (1) is a plastic made of EPS, EPP or EPO; the organic polymer material adopted in the step (2) is a plastic made of LDPE; the plastic film in the step (5) is made of HDPE plastic.

10. The method for manufacturing a skateboard, as recited in claim 8, wherein in the laser printing, the step (a) adopts a PET film with a thickness of 0.015 mm; in the laser printing, the drying the step (d) is performed in the oven, and a temperature set is at a range of 70-80 C.; a layer of cushioning plastic (31) is adhered and fixed to a bottom chamfer of a side wall of the skateboard which is finished.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a stereogram according to a preferred embodiment of the present invention.

(2) FIG. 2 is a stereogram of the FIG. 1 at another angle.

(3) FIG. 3 is a plan view of FIG. 1.

(4) FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3.

(5) FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3.

(6) FIG. 6 is an enlarged view of a portion I of FIG. 4.

(7) FIG. 7 is an enlarged view of a portion II of FIG. 5.

(8) FIG. 8 is an enlarged view of a portion III of FIG. 7.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

(9) Further description of the present invention is illustrated combining with the accompanying drawing and the preferred embodiments of the present invention.

(10) As shown to FIGS. 1-8, according to a preferred embodiment of the present invention, a method for manufacturing skateboard, comprises steps of:

(11) step (1) manufacturing an internal core board, comprising: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board;

(12) step (2) manufacturing an upper surface board and a lower surface board, comprising: sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding for serving as a foam sheet material of an upper surface board and a lower surface board;

(13) step (3) cutting and molding, comprising: cutting the foam board in the step (1) into an internal core layer 1 which is preset according to requirements

(14) step (4) manufacturing a plate body, comprising: placing the internal core layer 1 between the upper surface layer 2 and the lower surface layer 3, and then adhering the upper surface layer 2 and the lower surface layer 3 with the internal core layer 1 together by EVA resin, and wrapping the internal core layer 1 between the upper surface layer 2 and the lower surface layer 3 to form a board according to requirement of a skateboard;

(15) step (5) manufacturing a pattern layer on a surface of the plate body, comprising: printing a pattern layer 5 on a surface of the plate body by laser printing; and

(16) step (6) manufacturing a plastic film, and a layer of plastic film 4 is cast on the pattern layer on the bottom surface of the plate body, casting a layer of the plastic film 4 on the pattern layer provided on a bottom layer of the plate body, in such a manner that the method for manufacturing the skateboard is completed;

(17) wherein a process of the laser printing comprises steps of:

(18) step (a) performing primer treatment on a PET film with an acrylic resin, and performing laser embossing on the PET film treated, and then vacuum-aluminizing the PET film to obtain a composite PET film desired;

(19) step (b) covering a composite PET film with polyurethane printing ink by gravure to form an ink layer, and painting a surface of the ink layer printed with an acrylic resin by a brush to form a protective film layer;

(20) step (c) brushing polyurethane glue on a surface of the PE film which is transparent, after drying in an oven, covering a glue surface of the PE film on an ink surface of the composite PET film, and then pressing by a press roll, wherein a pressing pressure is at a range of 0.8-1.2 MPa, a temperature of a pressure roller is at a range of 60-80 C.; after the pressing, the PET film is peeled off the PE film to transfer an ink and laser effect to the PE film which is transparent;

(21) step (d) brushing a layer of polyurethane glue on an external surface of the plate body, then drying the plate body at a set temperature, and then covering the ink pattern layer of the PE film which is transparent to a surface of the plate body dried;

(22) step (e) transferring the plate body covered with the PE film to a curing chamber at a constant temperature of 40 C. for aging, and taking out after an aging time of 46-50 hours to obtain a laser-printed pattern.

(23) The organic polymer material adopted in the step (1) is a plastic made of EPS, EPP or EPO; the organic polymer material adopted in the step (2) is a plastic made of LDPE; the plastic film in the step (5) is made of HDPE plastic. In the laser printing, the step (a) adopts a PET film with a thickness of 0.015 mm; in the laser printing, the drying the step (d) is performed in the oven, and a temperature set is at a range of 70-80 C.; a layer of cushioning plastic 31 is adhered and fixed to a bottom chamfer of a side wall of the skateboard which is finished. The casting process of the plastic film is a well-known conventional art and will not be described in detail.

(24) As shown in FIGS. 6-8, resin glue forms a first glue layer 11 between the internal core board 1 and the upper surface layer 2 which is in a shape of a sheet, and a second glue layer 12 between the internal core board 1 and the lower surface layer 3 which is in a shape of a sheet, and an outermost layer of the pattern layer 5 is a protective layer 51 formed by a transparent PE film, the ink layer 52 is located inside the protective layer 51, and an innermost layer of the pattern layer 5 is a polyurethane glue layer 53.

(25) According to another preferred embodiment of the present invention, a method for manufacturing a skateboard, specifically comprising steps of:

(26) step (1) manufacturing an internal core board, comprising: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board;

(27) step (2) manufacturing an upper surface board and a lower surface board, comprising: sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding for serving as a foam

(28) step (3) cutting and molding, comprising: cutting the foam board in the step (1) into an internal core layer 1 which is preset according to requirements

(29) step (4) manufacturing a plate body, comprising: placing the internal core layer 1 between the upper surface layer 2 and the lower surface layer 3, and then adhering the upper surface layer 2 and the lower surface layer 3 with the internal core layer 1 together by EVA resin, and wrapping the internal core layer 1 between the upper surface layer 2 and the lower surface layer 3 to form a board according to requirement of a skateboard;

(30) step (5) manufacturing a pattern layer on a surface of the plate body, comprising: printing a pattern layer 5 on a surface of the plate body by laser printing; and

(31) step (6) manufacturing a plastic film, and a layer of plastic film 4 is cast on the pattern layer on the bottom surface of the plate body, casting a layer of the plastic film 4 on the pattern layer provided on a bottom layer of the plate body, in such a manner that the method for manufacturing the skateboard is completed;

(32) wherein a process of the laser printing comprises steps of:

(33) step (a) performing primer treatment on a PET film with an acrylic resin, and performing laser embossing on the PET film treated, and then vacuum-aluminizing the PET film to obtain a composite PET film desired;

(34) step (b) covering a composite PET film with polyurethane printing ink by gravure to form an ink layer, and painting a surface of the ink layer printed with an acrylic resin by a brush to form a protective film layer;

(35) step (c) brushing polyurethane glue on a surface of the PE film which is transparent, after drying in an oven, covering a glue surface of the PE film on an ink surface of the composite PET film, and then pressing by a press roll, wherein a pressing pressure is at a range of 0.8-1.2 MPa, a temperature of a pressure roller is at a range of 60-80 C.; after the pressing, the PET film is peeled off the PE film to transfer an ink and laser effect to the PE film which is transparent;

(36) step (d) brushing a layer of polyurethane glue on an external surface of a porcelain white PE film, then sending porcelain white PE film with the layer of polyurethane glue brushed into the oven for drying, and then covering and adhering a glue surface of the porcelain white PE film dried on an the ink surface of the PE film which is transparent;

(37) step (e) transferring the PE film adhered to a curing chamber at a constant temperature of 40 C. for aging, and taking out after an aging time of 46-50 hours to obtain a laser PE film;

(38) step (f) coating and adhering a porcelain white PE film surface of the laser PE film on an external surface of the plate body by glue coating, thereby obtaining a laser printing pattern.

(39) The organic polymer material adopted in the step (1) is a plastic made of EPS, EPP or EPO; the organic polymer material adopted in the step (2) is a plastic made of LDPE; the plastic film in the step (5) is made of HDPE plastic. In the laser printing, the step (a) adopts a PET film with a thickness of 0.015 mm; in the laser printing, the drying the step (d) is performed in the oven, and a temperature set is at a range of 70-80 C.; a layer of cushioning plastic 31 is adhered and fixed to a bottom chamfer of a side wall of the skateboard which is finished. The EVA resin glue is a well-known glue which is available on the Internet.