TWM567469U - Double-layer plastic structure with text or graphic surface - Google Patents

Abstract

A double-layer plastic structure having a surface of a text or a figure, comprising: an inner bottom layer, wherein the inner bottom layer has embossed characters or figures on the outer surface, wherein the text or the figure comprises a closed space, and the so-called closed space means the The enclosed space is surrounded by all or part of the text or figure; an outwardly communicating through hole is formed at a side of the closed space; an outer cover layer covers an outer periphery of the inner bottom layer; and the outer cover layer The outer surface has embossed text or graphics on the outer surface of the inner bottom layer.

Description

Double-layer plastic structure with text or graphic surface

The novel relates to a plastic structure, in particular a two-layer plastic structure having a surface of text or graphics.

A two-layer plastic structure of the prior art, such as a keycap structure, is formed by forming an inner bottom layer 10', wherein the outer bottom layer 10' has embossed text or graphics 20' on the outer surface, wherein the text or graphics 20' includes an enclosed space 30', which means that the enclosed space 30' is surrounded by all or part of the text or figure 20'. Forming a downwardly communicating through hole 40 ′ at the bottom of the closed space 30 ′, and then forming another through hole 41 ′ that is downwardly connected to the closed space 30 ′ on the outer surface of the inner bottom layer 10 ′, and then A shallow channel 45' is formed between the two through holes 40', 41' of the inner surface of the bottom layer 10'.

When the outer cover layer 70' is formed, two inner molds 10' are sandwiched between the outer and inner portions of the inner bottom layer 10', and the inner bottom layer 10' is sandwiched. Then, the outer cover material 71' is injected into the inner bottom layer 10' via the two molds 200'. a surface, and the cover material 71' will flow down through the other through hole 41' at the closed space 30' on the outer surface of the inner bottom layer 10' and then along the shallow passage 45'. The through hole 40' at the bottom of the enclosed space 30' is injected into the interior of the enclosed space 30'. Therefore, the outer surface of the outer cover layer 70' can be formed with embossed characters or figures 20' on the outer surface of the inner bottom layer 10'.

However, in the above conventional technique, since the outer cover layer 70' is manufactured, it is necessary to simultaneously sandwich the two molds 200' at the periphery and inside of the inner bottom layer 10'. Therefore, in the prior art process, this step must manually place the inner bottom layer 10' in the two molds 200' to produce the outer cover layer 70'. This step is labor intensive and lengthens the entire process, which is not economical.

Therefore, the present invention intends to propose a novel manufacturing method of a two-layer plastic structure having a surface of a letter or a figure to solve the above-mentioned prior art defects.

Therefore, the purpose of the present invention is to solve the above-mentioned problems in the prior art. In the present invention, a double-layer plastic structure having a surface of a character or a figure is proposed, which applies an inner bottom layer having a surface or a graphic on which a text or a graphic is applied. The side of the enclosed space contained therein has an outwardly communicating through hole, so that it is only required to apply a single outer mold to the upper end of the inner bottom layer at the time of manufacture, and the outer cover material can be injected into the surface of the inner bottom layer and A through hole is injected into the interior of the enclosed space to form an outer cover layer covering the outer periphery of the inner bottom layer. Therefore, it is only necessary to use one mold when forming the outer cover layer, and it is not necessary to use two molds, so the entire process can be mechanically completed without manual work. Therefore, the application of the structure of the case can shorten the time of the entire process and improve the overall economic benefits. This is not possible with conventional technology.

In order to achieve the above object, the present invention proposes a double-layer plastic structure having a surface of text or graphics, comprising: an inner bottom layer, wherein the inner bottom layer has embossed characters or graphics on the outer surface, wherein the text or graphic comprises a closed Space, the so-called closed space means that the enclosed space is surrounded by all or part of the text or figure; the outer side of the closed space forms an outwardly communicating through hole; an outer cover layer covers the inner bottom layer The outer periphery; and the outer surface of the outer cover has There is a embossed text or graphic on the surface of the inner bottom layer.

The present invention also proposes a double-layer plastic keycap structure having a surface of text or graphics, comprising: an inner bottom layer, wherein the inner bottom layer has embossed characters or graphics on the outer surface, wherein the text or graphic comprises a closed space, so-called The closed space means that the enclosed space is surrounded by all or part of the text or figure; the outer side of the closed space is formed with an outwardly communicating through hole; the inner bottom layer is in the form of a trapezoid, which comprises a pressing piece, and a front side piece, a rear side piece, a left side piece and a right side piece connecting the upper pressing piece, integrally forming a closed form having a lower end opening; an outer cover layer covering the upper pressing piece of the inner bottom layer, the front side piece The rear side panel, the left side panel, and the outer side surface of the right side panel. The text or figure of the relief on the outer surface of the inner bottom layer is exposed on the upper surface of the outer cover layer.

The features of the present invention and its advantages are further understood from the following description, and reference is made to the accompanying drawings.

1‧‧‧Double plastic keycap structure

10’‧‧‧Underground

10‧‧‧Underground

20’‧‧‧ text or graphics

21‧‧‧ text

22‧‧‧ graphics

30’‧‧‧Enclosed space

30‧‧‧closed space

40’‧‧‧through hole

40‧‧‧through hole

41’‧‧‧through hole

45’‧‧‧Shallow passage

51‧‧‧Upper press

52‧‧‧ front side film

53‧‧‧ Back side film

54‧‧‧left piece

55‧‧‧right film

70’‧‧‧ Cover

70‧‧‧ outer cover

71’‧‧‧ Cover material

71‧‧‧ Cover material

100‧‧‧Inner mould

200'‧‧‧ mould

200‧‧‧External mold

300‧‧‧Rotating fixture

301‧‧‧Contact feet

400‧‧‧ drive mechanism

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic cross-sectional view showing the underlayer of a two-layer plastic structure of the prior art.

Figure 2 shows a schematic cross-sectional view of the fabrication of a two-layer plastic structure of the prior art.

Figure 3 shows a schematic diagram of the bottom layer within the present case.

Figure 4 shows a partial enlarged view of Figure 3.

Figure 5 shows a schematic view of the rear side of Figure 3.

Figure 6 shows a partial enlarged view of Figure 5.

Figure 7 shows a schematic cross-sectional view of the process of the present invention.

Figure 8 shows another schematic cross-sectional view of the process of the present invention.

Figure 9 shows another schematic cross-sectional view of the process of the present invention.

Figure 10 shows a perspective view of a two-layer plastic structure made by the process of the present invention.

Figure 11 shows a schematic diagram of the manufacturing process of the present case.

Figure 12 shows a schematic diagram of another process of the present invention.

Figure 13 shows another schematic of another process of the present invention.

Figure 14 shows a partial enlarged view of Figure 13.

Figure 15 shows another schematic of another process of the present invention.

Figure 16 shows another schematic of another process of the present invention.

Figure 17 is a partial enlarged view of Figure 16.

Figure 18 is a view showing the removal of the outer mold in Figure 17.

Figure 19 shows a perspective view of a two-layer plastic structure made in another process of the present invention.

Figure 20 shows a schematic diagram of another manufacturing process in the present case.

Fig. 21 is a view showing an application example of the double-layer plastic structure of the present invention.

Figure 22 shows a schematic view of the bottom side of Figure 21.

Figure 23 is a cross-sectional view showing the direction of A-A' of Figure 21 .

Fig. 24 is a view showing the underlayer of the application example of the double-layer plastic structure of the present invention.

Figure 25 shows a schematic view of the rear side of Figure 24.

Figure 26 is a partial enlarged view of Figure 25.

Fig. 27 is a view showing an application example of the double-layer plastic keycap structure of the present invention.

Figure 28 shows a schematic view of the bottom side of Figure 27.

Figure 29 is a cross-sectional view showing the direction of A-A' of Figure 27 .

Figure 30 is a cross-sectional view showing the direction of B-B' of Figure 27 .

Fig. 31 is a view showing the bottom layer of the application example of the double-layer plastic keycap structure of the present invention.

Figure 32 shows a schematic view of the rear side of Figure 31.

Figure 33 is a partial enlarged view of Figure 32.

In view of the structural composition of the case, and the functions and advantages that can be produced, in conjunction with the drawings, a preferred embodiment of the present invention is described in detail below.

Referring to FIG. 11, a method for manufacturing a two-layer plastic structure having the surface of the present invention having characters or figures includes the following steps:

Step 801: Applying an inner mold 100 to form an inner bottom layer 10 (shown in FIG. 7), wherein the inner bottom layer 10 has an embossed text 21 or a pattern 22 on the outer surface (as shown in FIGS. 3 to 6), wherein The character 21 or graphic 22 includes a closed space 30 (shown in FIG. 6). The so-called closed space 30 means that the enclosed space 30 is surrounded by all or part of the character 21 or the graphic 22. A through hole 40 that communicates outward is formed at a side of the closed space 30.

Step 802: The inner bottom layer 10 is placed under the outer mold 200 (as shown in FIG. 8) such that the upper end of the character 21 or the pattern 22 bears against the inner surface of the outer mold 200. The cover material 71 is then injected into the surface of the inner bottom layer 10 via the outer mold 200, and the outer cover material 71 is injected into the closed space 30 via the through-holes 40 that are formed at the sides of the closed space 30. .

Step 803: Then, a demolding process is performed to remove the outer mold 200. The outer cover material 71 can form an outer cover layer 70 (shown in FIG. 9), and the outer surface of the outer cover layer 70 has the inner bottom layer. An embossed text 21 or graphic 22 on the outer surface of 10 (shown in Figure 10).

Preferably, the color of the outer cover layer 70 is different from the color of the inner bottom layer 10. Therefore, the embossed characters 21 or 22 on the outer surface of the inner bottom layer 10 can be clearly exposed on the surface of the outer cover layer 70.

In the case of the production process, the above-mentioned action can be completed using a rotating jig 300 without manual work. Figure 20 shows another process example of a method of manufacturing a two-layer plastic structure having a text or graphic surface of the present invention, comprising the following steps:

Step 901: Applying an inner mold 100 (shown in FIG. 12) to form an inner bottom layer 10 (as shown in FIG. 13), wherein the inner bottom layer 10 has an embossed text 21 or a pattern 22 on the outer surface (as shown in FIG. 14). The text 21 or the graphic 22 includes a closed space 30, which means that the closed space 30 is surrounded by all or part of the text 21 or the graphic 22. A through hole 40 that communicates outward is formed at a side of the closed space 30.

Step 902: The inner bottom layer 10 is taken out by the contact pin position 301 of a rotating jig 300 (as shown in FIG. 13). The rotating jig 300 is coupled to a driving mechanism 400, and the rotating jig 300 is driven by the driving mechanism 400.

Step 903: Applying the driving mechanism 400 to rotate the rotating jig 300 by an angle (as shown in FIG. 15).

Step 904: Applying the driving mechanism 400 to push the rotating jig 300 forward, so that the inner bottom layer 10 is placed behind the outer mold 200 (as shown in FIG. 16), so that the front end of the character 21 or the graphic 22 is topped. The inner surface of the outer mold 200 is housed. The cover material 71 is then injected into the surface of the inner bottom layer 10 via the outer mold 200, and the outer cover material 71 is injected into the closed space 30 via the through-holes 40 that are formed at the sides of the closed space 30. (As shown in Figure 17).

Step 905: Then, a demolding process is performed to remove the outer mold 200. The outer cover material 71 can form an outer cover layer 70 (as shown in FIG. 18), and the outer surface of the outer cover layer 70 has the inner bottom layer. An embossed text 21 or graphic 22 on the outer surface of 10 (as shown in Figure 19).

Preferably, the color of the outer cover layer 70 is different from the color of the inner bottom layer 10. So make the inside The embossed text 21 or pattern 22 on the outer surface of the bottom layer 10 can be clearly exposed to the surface of the outer cover layer 70.

So the entire process can be done mechanically without the need for labor.

The present invention can have a wide range of applications. In the practical application example, as shown in FIG. 21 to FIG. 26, the double-layer plastic structure having the surface of the text or the graphic of the present invention comprises: an inner bottom layer 10 (see FIGS. 22 to 26). In the outer surface of the inner bottom layer 10, there is a embossed text 21 or a graphic 22, wherein the text 21 or the graphic 22 includes a closed space 30, and the closed space 30 means that the closed space 30 is surrounded by the text. 21 or all or part of the figure 22 is surrounded by. Through-holes 40 are formed on the sides of the closed space 30 (as shown in FIGS. 23 and 26).

An outer cover layer 70 covers the outer periphery of the inner bottom layer 10 (as shown in Figs. 21 and 23). And the outer surface of the outer cover layer 70 has the embossed characters 21 or patterns 22 on the outer surface of the inner bottom layer 10.

Preferably, the color of the outer cover layer 70 is different from the color of the inner bottom layer 10. Therefore, the embossed characters 21 or 22 on the outer surface of the inner bottom layer 10 can be clearly exposed on the surface of the outer cover layer 70.

27 to 33 show another application example of the present invention, which is a double-layer plastic keycap structure 1 having a surface of text or graphics, comprising: an inner bottom layer 10 (shown in FIGS. 28 to 33), wherein the inner portion The outer surface of the bottom layer 10 has an embossed text 21 or a graphic 22, wherein the text 21 or the graphic 22 includes a closed space 30, which means that the closed space 30 is surrounded by all of the text 21 or the graphic 22 or Partially surrounded; forming an outwardly communicating through hole 40 on the side of the closed space 30 (as shown in FIGS. 29 and 33); in this example, the character 21 is Enter, and the graphic 22 is a curved arrow. . Where the e in the text 21 There is a closed space 30. Through-holes 40 are formed on the sides of the closed space 30 (as shown in FIGS. 29 and 33).

The inner bottom layer 10 has a trapezoidal shape, and includes an upper pressing piece 51, and a front side piece 52, a rear side piece 53, a left side piece 54, and a right side piece 55 connected to the upper pressing piece 51 (as shown in FIGS. 30 and 31). In an overall manner, a closed shape having a lower end opening is formed; an outer cover layer 70 covering the upper pressing piece 51 of the inner bottom layer 10, the front side piece 52, the rear side piece 53, the left side piece 54, and the right side piece 55. The outer side (as shown in Figures 29 and 30). The character 21 or the pattern 22 of the relief on the outer surface of the inner bottom layer 10 is exposed on the upper surface of the outer cover layer 70.

Preferably, the color of the outer cover layer 70 is different from the color of the inner bottom layer 10. Therefore, the embossed characters 21 or 22 on the outer surface of the inner bottom layer 10 can be clearly exposed on the surface of the outer cover layer 70.

In the prior art, since the inner bottom layer needs to be clamped at the periphery and inside of the inner bottom layer at the same time when the outer cover layer is manufactured, the inner bottom layer cannot be pushed forward by using the rotating jig. Therefore, the periphery and the inside of the inner bottom layer are sandwiched by two molds at the same time. Therefore, in the prior art process, this step must manually place the inner bottom layer in the two molds to produce an outer cover layer. This step is labor intensive and lengthens the entire process, which is not economical.

The advantage of the present invention is that an inner bottom layer having a surface or a figure is applied, and the side of the closed space contained in the text or the figure has an outwardly communicating through hole, so that only one outer mold is required to be applied at the time of manufacture. The upper end of the inner bottom layer can inject the cover material into the surface of the inner bottom layer and into the inner side of the closed space through the through hole to form an outer periphery of the inner bottom layer. The outer cover layer. Therefore, it is only necessary to use one mold when forming the outer cover layer, and it is not necessary to use two molds, so the entire process can be mechanically completed without manual work. Therefore, the application of the structure of the case can shorten the time of the entire process and improve the overall economic benefits. This is not possible with conventional technology.

In summary, the humanized design of this case is quite in line with actual needs. The specific improvement of the existing defects is obviously a breakthrough improvement advantage compared with the prior art, and it has an improvement in efficacy and is not easy to achieve. The case has not been disclosed or disclosed in domestic and foreign literature and market, and has complied with the provisions of the Patent Law.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and is not intended to limit the scope of the present invention. The patent scope of this case.

Claims (4)

A double-layer plastic structure having a surface of a text or a figure, comprising: an inner bottom layer, wherein the inner bottom layer has embossed characters or figures on the outer surface, wherein the text or the figure comprises a closed space, and the so-called closed space means the The enclosed space is surrounded by all or part of the text or figure; an outwardly communicating through hole is formed at a side of the closed space; an outer cover layer covers an outer periphery of the inner bottom layer; and the outer cover layer The outer surface has embossed text or graphics on the outer surface of the inner bottom layer. A two-layer plastic structure having a surface of text or graphics as described in claim 1, wherein the color of the outer cover layer is different from the color of the inner bottom layer; thus embossing on the outer surface of the inner bottom layer The text or graphics can be clearly exposed on the surface of the outer cover layer. A double-layer plastic keycap structure having a surface of a text or a figure, comprising: an inner bottom layer, wherein the inner bottom layer has embossed characters or figures on the outer surface, wherein the text or the figure comprises a closed space, the so-called closed space Means that the enclosed space is surrounded by all or part of the text or figure; a through hole communicating with the outside is formed on a side of the closed space; the inner bottom layer is in the form of a trapezoid, which comprises an upper pressing piece, And a front side piece, a rear side piece, a left side piece and a right side piece connected to the upper pressing piece, integrally forming a closed form having a lower end opening; an outer cover layer covering the upper pressing piece of the inner bottom layer, the front side piece, and the rear side a side panel, the left side panel, and an outer side surface of the right side panel. The text or figure of the relief on the outer surface of the inner bottom layer is exposed on the upper surface of the outer cover layer. A double-layer plastic keycap structure having a surface of text or graphics as described in claim 3, wherein the color of the outer cover layer is different from the color of the inner bottom layer; thus, the outer surface of the inner bottom layer is floated The convex text or graphic can be clearly exposed on the surface of the outer cover layer.