JP2011042739A - Method for peeling attached item attached to exterior housing and exterior housing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for peeling an attached item and an exterior housing, wherein the attached item is efficiently and easily peeled from a plastic molded article with an aqueous solution, work safety is improved because tools for peeling the attached item are not used, efficiency in wrecking is improved because other wrecking is performed during penetration of the aqueous solution, and further, plastics at the attachment place are recycled, thereby facilitating the recycle as the material for the plastic molded article. <P>SOLUTION: The method for peeling an attached item on an exterior housing makes peeling an attached item, attached to an attachment place via an adhesive, from an exterior housing body provided with a plurality of pores at the attachment place of the attached item. The method includes a solution penetration step in which a solution that reduces adhesion of the adhesive adhered to the exterior housing body is penetrated into the adhesive. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a method for peeling an attached material attached to an exterior casing that can easily separate different types of materials such as nameplates and seals attached to the exterior casing of an electrical product and the like, and an exterior casing. Is.

  2. Description of the Related Art Conventionally, nameplates and stickers for displaying device names, product numbers, manufacturer names, and the like are attached to AV appliances, computer terminal devices, OA devices, and the like that are household appliances. Metal, plastic, paper, etc. are used as the material of the nameplate and seals. In addition, a plastic molded article using a resin is often used as an exterior casing used for household appliances. In order to improve the appearance and prevent the nameplate from being peeled off from the end of the nameplate when the nameplate is bonded and fixed to the plastic molded product, the nameplate's adhesive thickness is recessed by the thickness of the nameplate. The edge was hidden.

  When recycling such plastic molded plastics, it is necessary to peel off the attached nameplate. However, it is difficult to peel off the nameplate from the affixing surface on which the nameplate is affixed in a state where the nameplate is adhered and fixed to the concave portion of the plastic molded product, and a tool such as a blade is required. Therefore, it takes a lot of man-hours to peel off the nameplate, and there is a problem in work safety. As a countermeasure against these problems, a technique for punching a name plate with a press device has been proposed. However, there are various shapes of molded products, and it is difficult to punch a desired portion.

  Therefore, for example, Patent Document 1 discloses a structure in which the exterior casing and the nameplate are separated to solve the above-described problem.

  The structure described in Patent Document 1 is provided with a hole as a through hole at an end portion of a pasting surface to which a nameplate of an exterior casing is pasted in advance as a structure for realizing easy disassembly. By inserting the tool into the hole from the inside of the exterior casing, the tip of the tool reaches the surface of the nameplate with the adhesive. As a result, the nameplate can be removed.

Japanese Patent Laid-Open No. 7-131162

  However, many nameplates are thin, such as metal plates, aluminum foil, plastic and paper seals, and removing the nameplate using a tool only presses the end of the nameplate. It had the problem of being difficult. Even if the nameplate could be removed, it was difficult to completely remove the nameplate because the adhesive remained in the exterior casing.

  Accordingly, an object of the present invention is to provide a method for peeling an attached material and an exterior housing that can efficiently peel an attached material such as a nameplate from the exterior housing.

  As a means for solving the above-mentioned problems, the present invention peels off an adhesive attached to an attachment location via an adhesive from an exterior housing body having a plurality of holes at the attachment location of the attachment. A method for peeling an attached article of an exterior casing, comprising: a solution permeation step for allowing a solution that reduces the adhesive strength of the adhesive to penetrate into the adhesive; And

  Moreover, as a means for solving the above-mentioned problem, an exterior casing comprising a pasted article and an exterior casing main body on which the pasted article is stuck to the surface, In the first area including the center or the vicinity of the center, the ratio of the plurality of holes in the pasting area to which the pasting object is pasted is the end of the pasting area rather than the first area. It is the housing | casing for exteriors characterized by being larger than the ratio for which the several hole in the 2nd area close | similar to is characterized.

  ADVANTAGE OF THE INVENTION According to this invention, the peeling method and the housing | casing for exterior which can peel off sticking articles, such as a nameplate, from an exterior housing | casing efficiently can be provided.

  As described above, according to the method for peeling an attached material attached to an exterior housing and the exterior housing of the present invention, the attached material such as a nameplate is efficiently peeled from the exterior housing with a solution. Therefore, work safety can be improved without requiring a tool.

(A) Outline | summary figure of exterior housing | casing in embodiment of this invention, (b) Sectional drawing of the sticking location of the exterior housing | casing in embodiment of this invention (A) Front view of a pasting location in the embodiment of the present invention, (b) Distribution diagram of holes in the embodiment of the present invention, (c) Distribution diagram of holes in the embodiment of the present invention (A) Schematic diagram illustrating a state in which the exterior casing in the embodiment of the present invention moves on the conveyor, (b) Schematic diagram illustrating a state in which the nameplate in the embodiment of the present invention is in contact with the solution. The figure which shows the process of peeling the nameplate in embodiment of this invention. Explanatory drawing which shows a mode that a solution osmose | permeates the sticking location of the nameplate in embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
<1, exterior casing>
(1-1, exterior casing)
FIG. 1A is a schematic view of an exterior casing in the embodiment of the present invention. FIG. 1B is an enlarged cross-sectional view of a pasted portion in the exterior casing in the embodiment of the present invention.

  The plastic molded product 1 is an example of the exterior casing body 1 and protects the interior of the electrical appliance from impacts and the like. A name plate 4 is attached to the plastic molded product 1 with an adhesive 7. The nameplate 4 is an example of an attached material for displaying a production number, a product number, a manufacturer name, and the like.

  The nameplate 4 is affixed to the affixing surface 5 of the affixing location 2 of the plastic molded product 1 via an adhesive 7. In this embodiment, the sticking location 2 of the plastic molded product 1 is a recess having a depth of about the thickness of the nameplate 4. In addition, the sticking location 2 may be a flat portion or a convex portion. In the present embodiment, the x-axis indicates the direction perpendicular to the affixing surface 5, the y-axis indicates the longitudinal direction with respect to the affixing surface 5, and the z-axis indicates the short direction with respect to the affixing surface 5.

  Here, the nameplate 4 is affixed to the affixing surface 5 as an example of the affixed material, but the affixed material is not limited to the nameplate 4 and may be a seal or the like. Further, the exterior casing body 1 may not be made of plastic.

(1-2, hole)
Fig.2 (a) is a front view of the sticking location 2 shown in FIG. The x, y, and z axes in FIG. 2A correspond to the x, y, and z axes in FIG. A plurality of holes 3 are provided in the sticking surface 5 of the sticking place 2 of the plastic molded product 1. FIG. 2B and FIG. 2C are front views showing a distribution state of the holes 3 arranged in a line in the y-axis direction among the holes 3 in FIG.

  The holes 3 provided in the sticking surface 5 shown in FIG. 2B are distributed in the y-axis direction from the center of the sticking surface 5 or near the center to the periphery of the sticking surface 5. Similarly, it is also distributed in the z-axis direction from the center of the pasting surface 5 or near the center as shown in FIG. The holes 3 are not distributed only in the y-axis direction and the z-axis direction, but are distributed over the entire pasting surface 5.

  Here, in this embodiment, the area occupied by the plurality of holes 3 at or near the center of the pasting surface 5 is the first area, farther from the center of the pasting surface 5 than the first area, and pasted from the first area. An area occupied by a plurality of holes 3 near the end of the surface 5 is defined as a second area. The ratio of the plurality of holes 3 in the second area 14 is smaller than the ratio of the plurality of holes 3 in the first area 13. Specifically, the distance L between adjacent holes of the plurality of holes 3 existing in the second area 14 is larger than the distance L between adjacent holes of the plurality of holes 3 existing in the first area 13 (L1 in the drawing). ≦ L2 ≦ L3 ≦ L4 ≦... ≦ Ln).

  Further, as shown in FIG. 2C, the opening diameter D of the hole 3 arranged in the plastic molded product 1 is smaller in the hole 3 in the second area than in the first area (D1 in the figure). ≧ D2 ≧ D3 ≧... ≧ Dn).

  Further, the opening diameter D of the hole 3 arranged in the plastic molded product 1 is smaller in the hole 3 provided in the second area than in the hole 3 provided in the first area (D1 ≧ D2 ≧ D3 ≧ in the figure). ≧ Dn) and the distance L between adjacent holes of the plurality of holes 3 in the second area 14 is larger than the distance L between adjacent holes of the plurality of holes 3 in the first area 13 (L1 ≦ L2 ≦ in the figure). L3≤L4≤ ... ≤Ln) distribution.

<2. Nameplate peeling method>
Next, a method for peeling the nameplate 4 according to the embodiment of the present invention will be described with reference to FIGS.

  When removing the nameplate 4, which is a different material, from the plastic molded product 1, first, the plastic molded product 1 moves on a belt 16 of a conveyor partially illustrated. As shown in FIG. 4, the solution 6 is brought into contact with the front and back of the sticking part 2 of the plastic molded article 1 that has moved (step 1). Specifically, when the plastic molded product 1 moves on the conveyor belt 16 as shown in FIG. 3A, the front side of the plastic molded product 1 as shown in FIG. 3B. The sponge 17 containing the solution 6 contacts the back side. At this time, the sponge 17 is in contact with the pasting location 2 on the front side of the plastic molded article 1 and the back side thereof. The solution 6 oozes out from the sponge 17 in contact with the plastic molded article 1 and reaches the sticking surface 5 (step 2). This solution 6 can reduce the adhesive strength of the adhesive 7 that bonds the plastic molded article 1 and the nameplate 4. Specifically, the solution 6 contains a surfactant, a solvent, and the like, and these components reduce the adhesive strength of the adhesive 7.

  In addition, you may discharge the solution 6 with the instrument (not shown) which discharges the solution 6. FIG. In the case of applying, the solution 6 may be applied manually. Further, the solution 6 penetrates the adhesive 7 from both the outside and inside of the plastic molded article 1, but the solution 6 may penetrate only from the inside of the plastic molded article 1 instead of from both sides.

  Thereafter, as shown in FIG. 5, the solution 6 comes into contact with the adhesive 7 from the end portion 10 of the nameplate adhered to the affixing surface 5 of the plastic molded article 1 and begins to penetrate into the entire adhesive 7. Further, the solution 6 reaches the pasting surface through the hole 3 from the hole end 11 on the surface opposite to the pasting surface 5 which is the inner side of the plastic molded article 1, and contacts the adhesive 7. Then, the solution 6 starts to penetrate the entire adhesive 7 (step 3). Here, the nameplate end 10 refers to the outer peripheral portion of the nameplate.

  Thereafter, the solution 6 penetrates the entire adhesive 7 and the adhesive strength of the adhesive 7 is reduced (step 4).

  Thereafter, the nameplate 4 is easily peeled from the plastic molded article 1 by the operator (step 5). For example, when the nameplate 4 is peeled from the plastic molded product 1, it is peeled manually by using a peeling tool such as a spatula. When the adhesive strength of the adhesive 7 is sufficiently reduced, the nameplate 4 may be automatically peeled off, and manual peeling may not be required.

[Other Embodiments]
The first embodiment has been described above. However, the present invention is not limited to this embodiment. Therefore, other embodiments of the present invention will be described collectively in this section.

  The opening diameter D, the shape, the number, and the inter-hole distance L of the holes 3 can be appropriately adjusted depending on the thickness, material, etc. of the plastic molded product 1 or the strength of the adhesive 7 of the nameplate 4. For example, the shape of the hole 3 is not limited to a circle, but may be a rectangle, an ellipse, or the like.

  Further, since the nameplate 4 must be strongly bonded, the opening diameter D of the hole 3 should be as small as possible. Therefore, it is desirable that the size of the hole 3 is fine.

  The distribution of the holes 3 may be such that the ratio of the plurality of holes 3 existing in the second area 14 is smaller than the ratio of the plurality of holes 3 existing in the first area 13. A distribution satisfying L1 ≦ L2 ≦ L3 ≦ L4 ≦... ≦ Ln or a distribution satisfying D1 ≧ D2 ≧ D3 ≧.

  In the present embodiment, the solution 6 is brought into contact with the affixing surface 5 of the plastic molded product 1 or the surface opposite to the affixing surface 5 so that the solution 6 penetrates into the adhesive 7. It is sufficient to immerse the whole in the solution 6.

<3. Features of the embodiment>
Characteristic parts in the above embodiment are listed below. In addition, the invention included in the said embodiment is not limited to the following. In addition, what was described in parentheses after each component is a specific example of each component. Each configuration is not limited to these specific examples.
(1)
The method of peeling the affixed object is to adhere the affixed part (nameplate 4) to the affixed part (2) from the housing body (plastic molded product 1) provided with a plurality of holes (3) in the affixed part (2). A method for peeling an attached article (name plate 4) of an exterior casing (15) for peeling an attached article (name plate 4) attached via an agent (7), wherein the exterior casing body (plastic molding) A solution infiltration step for allowing the adhesive (7) to permeate the solution (6) in which the adhesive strength of the adhesive (7) adhered to the product 1) decreases.

Thereby, a sticking thing (nameplate 4) can be efficiently peeled with the solution (6) from the housing body for exterior (plastic molded article 1). Furthermore, since other dismantling operations can be performed within the time period during which the solution (6) has permeated, the disassembling operation efficiency is further improved, and the exterior casing body (plastic molded product 1) and the attached material (nameplate) 4) Reuse is promoted.
(2)
In the method for peeling off the attached material described in (1), the plurality of holes (3) are fine holes, and the attached material (nameplate 4) attached to the attaching portion (2) provided with the fine holes is used for the exterior. Peel from the housing (15).

As a result, when using a household electrical appliance with an exterior casing body (plastic molded product 1), the area occupied by the hole (3) is small, so that the adhesive (7) adheres to the adhesive surface (5). The adhesion area of the sheet becomes larger, and the pasted material (name plate 4) can be more strongly bonded.
(3)
The exterior casing (15) is provided with a pasted article (nameplate 4) and an exterior casing body (plastic molded product 1) on which the pasted article (nameplate 4) is pasted. The body (15), the exterior casing (15) has a plurality of holes (3) in the pasting location (2) to which the pasting object (nameplate 4) is pasted, and the center of the pasting location (2) Alternatively, the ratio of the hole (3) in the first area (13) including the vicinity of the center is such that the hole (3) in the second area (14) closer to the end of the pasting location than the first area (13). Greater than the proportion of

Thereby, the solution (6) sufficiently permeates the first area (13) of the affixing surface (5) to which the affixed material (nameplate 4) is affixed, and the affixed material (nameplate 4) is easy. Can be peeled off. Furthermore, when using a household electrical appliance provided with an exterior casing body (plastic molded product 1), the second area (14) has a hole (3) rather than the first area (13) of the application location (2). ) Is small, the second area (14) has a larger bonding area to which the adhesive (7) adheres than the first area (13), and strongly adheres the attachment (nameplate 4). Can do.
(4)
In the exterior casing (15) described in (3), the maximum distance between adjacent holes occupying the second area (14) is the maximum distance between adjacent holes occupying the first area (13). A smaller exterior casing body (plastic molded product 1) is provided.
(5)
In the exterior casing (15) described in (3), the maximum opening diameter of the hole (3) occupying the first area (13) is the maximum of the hole (3) occupying the second area (14). An exterior casing body (plastic molded product 1) larger than the opening diameter is provided.
(6)
In the exterior casing (15) according to (3), the hole (3) is a fine hole.

  Thereby, when using household appliances provided with the housing body for exterior (plastic molded product 1), the area occupied by the hole (3) is small, so the second area (14) is smaller than the first area (13). In addition, the bonding area to which the adhesive (7) is bonded is increased, and the pasted object (name plate 4) can be bonded more strongly.

  The present invention can be used as an exterior housing for household appliances such as a television. In addition, the present invention can be used when affixed material is peeled from an exterior housing of a household appliance such as a television. According to the peeling method and the exterior casing of the pasted material affixed to the exterior casing of the present invention, the reuse of the exterior casing and the pasted article is promoted.

1 Case body for exterior (plastic molding)
2 Affixing Location 3 Hole 4 Nameplate 5 Attaching Surface 6 Solution 7 Adhesive 10 Nameplate End 11 Hole End 13 First Area 14 Second Area 15 Exterior Case 16 Conveyor Belt 17 Sponge

Claims (6)

This is a method for peeling an attached article of an exterior casing, in which an attached article attached to the attachment location via an adhesive is peeled off from an exterior casing body having a plurality of holes at the attachment location of the attachment. And
A solution infiltration step for infiltrating the adhesive with a solution that reduces the adhesive strength of the adhesive adhered to the exterior housing body;
The peeling method of the sticking thing provided with. The method of peeling an attached article according to claim 1, wherein the plurality of holes are fine holes, and the attached article attached to the attaching portion including the fine holes is peeled off from the exterior casing. Paste and
An exterior casing comprising the exterior casing body pasted on the surface of the pasted article,
The exterior casing main body includes a plurality of holes at a pasting location where the pasted material is pasted,
The ratio of the plurality of holes in the first area including the center or the vicinity of the center of the pasting place is occupied by the plurality of holes in the second area closer to the end of the pasting place than the first area. An exterior casing characterized by being larger than a proportion. The exterior casing according to claim 3, wherein the maximum distance between adjacent holes in the first area is smaller than the maximum distance between adjacent holes in the second area. The exterior casing according to claim 3, wherein a maximum opening diameter of the hole in the first area is larger than a maximum opening diameter of the hole in the second area. The exterior casing according to claim 3, wherein the hole is a fine hole.

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