JP4119729B2 - How to renew the board - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method and a system for effectively reusing a wasteboard after it has been used by sticking a plastic steel plate material to the front and back surfaces and side surfaces of a core material portion.
[0002]
[Prior art]
In recent years, plastic slats with lightweight core materials have been evaluated for their light weight, boiling resistance for disinfection, deformation resistance, ease of proper management, etc., mainly school meals, hospital meals, employee cafeterias, It is spreading in the lunch industry such as the bento side dish factory.
[0003]
On the other hand, with regard to the treatment of used slats, plastic single slabs can be melted and reused for other purposes, but because of the use of a core material that is different from plastics such as wood, simple melting and recycling can be performed. It is unsuitable for use and is discarded without being reused. In such a current situation, as seen in the invention described in Japanese Patent Laid-Open No. 2002-36239, there has been a proposal to reuse such a used plate as a resource. This invention intends to recycle a used molded product by pulverizing a molded product such as a girdle formed from a thermoplastic resin such as polyethylene resin.
[0004]
[Problems to be solved by the invention]
The present invention separates the core material and the plastic part of the used cored board that has finished its role as the board for the board made of resin and the core material, instead of the board made only of resin, The challenge is to make effective use and reuse of the core material, to reduce the chances of disposal of used products and incineration, to conserve resources through recycling, and to contribute to environmental problems.
[0005]
[Means for Solving the Problems]
The first means for solving the above-mentioned problem is to collect used products of the plate made by attaching or laminating a plastic plate material to the front and back surfaces and side surfaces of the core part, and to collect the front and back surfaces and side surfaces of the collected products. A first step of removing the used plastic casing material remaining on the core and recovering the core portion, and a second step of attaching or laminating a new plastic casing material on the front and back surfaces of the recovery core portion, Coloring the front and back surfaces of the core material portion collected in the first step has a third step of attaching a new plastic steel plate material to the side surface of the core material portion where the new steel plate material is adhered or laminated to the front and back surfaces. The limit sheet is pasted before the second step, and the desired information is attached to any side surface of the core portion in which the new sheet material is pasted or laminated on the front and back surfaces in the second step. The step is performed before the third step, and the third step Wherein the revitalizing a spent chopping board, characterized in that the new chopping board member stuck to Oite sides with transparent or translucent plastic chopping board material to the new chopping board.
[0006]
Solution 2 is to perform the step of cleaning the front and back and side surfaces of the used scissors collected by the first means before the first step.
[0007]
The solution means 3 is to perform the step of disinfecting the front and back surfaces of the core part collected by the first means before the second step.
[0008]
According to a fourth solution, the information to be attached is customer information for identifying at least a previous customer of the collected used board, and is sold to a previous customer based on the customer information after the renewal is completed. It is possible to return.
[0012]
Solution 5 is to make it possible to sell back the specific customer information adhering renewal plate to the customer after a period desired by the customer or after a predetermined period.
[0013]
Solution 6 is to make it possible to use the used plastic plate material removed in the second step as a plastic material other than fuel or plate use.
[0014]
As described above, by using all or any of the six means, it is possible to reuse the core material portion of the used cored board and the plastic portion.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1a is a perspective view of a gutter plate 1 relating to the renewal system of the present invention. A core member 2 is embedded inside the slat 1 and arbitrary information 3 such as product information is attached to the side surface of the core member.
[0016]
B of the figure is an aa cross-sectional view of the slat 1 and shows the internal structure of the slat including the core part 2. A plastic protector 2b is arranged around the wooden core 2a and the core part. 2, and further, arbitrary information 3 is attached to an arbitrary portion of the side surface of the core member 2, and a transparent plastic side face plate material 5 is attached to the periphery of the information 3. Yes.
[0017]
C of the same figure is a bb longitudinal cross-sectional view of the slat board 1, and the plastic slat board material 6 is affixed on both front and back surfaces of the core part 2 comprised of the wood core 2a and the protector 2b arrange | positioned on the side. Arbitrary information 3 is attached to the side surface of the core part 2, and a side surface plate material 5 is attached to all side surfaces including the surface plate material 6 on both the front and back surfaces.
[0018]
FIG. 2 shows the distribution process of a new board and a renewed board. Fig. A shows a new plate NB delivered to a general customer C through a store R, after being used for a certain period of time, collected by manufacturer M as a used plate UB, and renewed at manufacturer M. The process of distributing to the general customer C ′ as RB is shown.
[0019]
B in the figure shows that a new board NB delivered to a specific customer FC through a dealer R becomes a used board UB and then renewed at the manufacturer M. The renewed board RB is again identified through the dealer R. It is sold back to the customer FC, and after that, this process continues.
[0020]
FIG. 3 shows the renewal process of the embodiment of the present invention, where a shows the most basic process and b shows the preferred process of renewal. That is, a collects the used board UB as (1), and collects the core part by removing the plastic board material on the side, front and back of the UB by means such as cutting and peeling as (2). , (3): A new board material is adhered to the front and back surfaces of the core part by means such as adhesion and adhesion, and (4) is the peripheral side surface of the core part after the previous (3), (2). Renewal is completed by adhering a new plastic slab material by means such as adhesion and welding. During this process, the side and front and back plastic plate materials removed in (2) can be reused as industrial fuel, and can also be reused as plate materials or other recycled plastic molding raw materials.
[0021]
Fig. B shows the preferred process of renewal. In step (1), the used plate UB is collected, and in step (2), the front side of the UB is cleaned by means of high temperature steam, detergent, etc. In (3), the core material is recovered by removing the plastic plate material from the side, front and back surfaces of the cleaned UB by means of cutting, peeling, etc., but the removed plate material is converted into fuel as described above. Alternatively, it can be recycled.
[0022]
In {circle around (4)}, at least the front and back surfaces of the core part collected in {circle around (3)} are sterilized and disinfected by any means such as alcohol application, high temperature sterilization, and drying in a drying furnace. In {circle around (5)}, a limit sheet is adhered to the front and back surfaces of the disinfected recovered core material by any means such as adhesion or adhesion.
[0023]
In (6), a new steel plate material is attached to both the front and back surfaces of the limit sheet by attaching, sticking, etc., in this case. In this case, the limit sheet and the new steel plate material are cored with the limit sheet. For simplification of the process, it is desirable to arrange them on the material side and apply them simultaneously.
[0024]
At the stage where the above (5) (6) is completed, since the adhesive or the like protrudes from the side surface, the side surface is smoothed by cutting, sanding, etc. , Brand name or customer name used, etc. are attached by means of printing, pasting, etc., and (8) is a new side plate material that is transparent enough to read the information from the product information etc. Is adhered by means of adhesion, welding, etc. to complete the renewal. Of the steps shown in FIG. 3b, (2), (4), (5), (7), and whether to implement all or a part of each means is arbitrary.
[0025]
In the process of using the plate, the surface of the limit sheet gradually wears down due to a knife scratch, etc., but at that time, when the limit sheet arrives, there is an advantage that the plate can be used as a use limit. In addition, it is also effective for protecting the core part. Hereinafter, description will be given based on an example.
[0026]
[Example 1]
FIG. 4 shows a process of renewing the used saddle plate 40, and FIG. 4 (1) is a cross-sectional view of the recovered saddle plate 40. FIG. On the front and back of the core part 41 composed of the lightweight wooden core 41a and the polyethylene protectors 41b and 41c arranged around the wooden core, a polyethylene padding material 42 is bonded, A polyethylene side face plate material 43 is welded to all side faces of the side plate 40.
[0027]
(2) in the figure shows that the used slat 40 collected in 1 is not only dirty on the surface, but also has a residue of adhering foodstuffs and a strange odor due to various germs. In order to prevent this, a process of cleaning the entire surface is shown. The cleaning method is arbitrary, but high-temperature steam jet cleaning is desirable in terms of removing deposits and in terms of sterilization.
[0028]
(3) in the figure shows a state after removing the plate material 43 on the side surface of the used plate 40 washed in (2). The removal means is arbitrary, but cutting by a plane, sanding, etc. are common.
[0029]
(4) in the figure shows the core part 41 after removing the covering 42 attached to both the front and back surfaces of the used covering 40 from which the side covering 43 has been removed. The means for removing the rib plate material 42 is arbitrary, but in addition to means such as cutting and sanding with a canna, removal means by peeling is also preferred.
[0030]
(5) in the figure shows that at least both the front and back surfaces of the core part 41 recovered by the above (4) are sterilized. The disinfection means is arbitrary, but it is desirable to apply alcohol, dry for a long time in a high-temperature drying furnace, and the like.
[0031]
FIG. 6 (6) is a step of adhering the limit sheet 44 to both the front and back surfaces of the recovered core material 41 that has been sterilized in the above item (5). The material of the limit sheet 44 is preferably a colored thermoplastic resin sheet, and more preferably a polyethylene sheet. The adhesive is arbitrary, but a thermosetting adhesive is preferable, and an epoxy adhesive is preferable.
[0032]
The role of the limit sheet 44 and the purpose of coloring are to show that the color of the limit sheet can be seen through from the side, so that it is proved that it is a renewed reed board. Since the color of the limit sheet gradually becomes darker as it becomes thinner due to the kitchen knife scratch, it is to be used as a guideline for judging the usage limit of the slats themselves. As a result, the use can be continued beyond the use limit, and the risk of damaging the core material can be prevented.
[0033]
(7) in the figure shows the step of bonding a new polyethylene plate material from the limit sheet bonded to the front and back of the recovery core material 41 in the above (6). In this case, it is needless to say that it is desirable to simultaneously perform the steps (6) and (7) to shorten the process.
[0034]
In FIG. 8 (8), the adhesive flows out and adheres to the side surface of the plate in the bonding step (6) and (7), so the side surface is removed by means of cutting, sanding, etc. to smooth the surface. After that, the desired product information, that is, information for managing the proper use of foods such as antibacterial and non-antibacterial as in (8) a, meat and vegetables, and further, as in (8) b In this process, information such as a trade name of a specific customer is attached to an arbitrary side by printing or sticking a seal.
[0035]
FIG. 9 (9) is a process in which a new polyethylene side face plate material is heat-welded to all side surfaces including the side surface to which information is attached in (8). In this case, the polyethylene sheet material that is thermally welded to at least the side surface to which information is attached needs to be a transparent body that can read the information.
[0036]
After the above steps, the side corners are chamfered to complete the renewal, the used board 40 is made to be completely new and sold to a predetermined customer, and the above-mentioned (3), (4) The present embodiment is completed by reusing the plate material removed in step 1 as a fuel or a recycled material for uses other than the plate.
[0037]
[Example 2]
FIG. 5 is a view showing a renewal process of a laminated board in which a plurality of board materials are detachably laminated, and (1) is a cross-sectional view of a used board 50 collected from a customer. Plastic protectors 51b and 51c are disposed around 51a to form a core material portion 51. A front plate 52 is adhered to the front and back surfaces of the core material portion 51. A saddle plate material 53 is heat-welded.
[0038]
Steps (2) to (6) are the same as the plate renewal step shown in FIG. 4, but after the entire surface of the plate 50 recovered in (1) in (2) is subjected to high-temperature steam cleaning, In 3 ▼, the side plate material is cut and removed. In (4), the front and back plate materials are cut and removed to collect the core part 51. In (5), at least the front and back surfaces of the core part 51 are coated with alcohol. After the disinfection, high temperature drying is performed, and in (6), a polyethylene limit sheet 54 is bonded to the front and back surfaces of the core member 51.
[0039]
In (7), after smoothing the side surface of the core part to which the limit sheet 54 is bonded by cutting, the product information such as (7) a on the arbitrary side, customer information such as (7) b, etc. The information is attached by an appropriate means such as printing or sticking a seal.
[0040]
In {circle around (8)}, a laminated body is formed by stacking a desired number of new polyethylene sheet materials on both the front and back sides or one side of the core member to which the limit sheet 54 having undergone the step (7) is bonded, In ▼, a new polyethylene plate material is heat-welded and integrated on all side surfaces of the laminate, and the corners of the surrounding corners are chamfered to complete the renewal of the laminate plate.
[0041]
After the above steps, the side corners are chamfered to complete the renewal, and the used plate 50 is made into a completely new layered plate and sold to a predetermined customer. (3), (4) The system is completed by reusing the board material removed in step ▼ as a fuel or a recycled raw material for uses other than the board. In addition, it is natural that the plate material to be heat-welded in (9) has sufficient transparency so that the information attached to the side surface can be read.
[0042]
【The invention's effect】
As described above, according to the present invention, there is an effect of reducing waste by circulating used wasteboards that have been disposed of in the past to new ones that are completely new, and further using them. By reusing the plastic plate material that has been put on as a fuel or recycled material, it can contribute to the reduction of waste.
[Brief description of the drawings]
FIG. 1 a is a perspective view of a renewed reed plate b is a cross-sectional view aa of a renewed reed plate c is a cross-sectional view of a renewed reed plate bb FIG. 2 a is an explanatory view of a renewal cycle of a reed plate b FIG. 3 a is a renewal process diagram of a reed plate explaining an embodiment of the present invention, and b is a renewal process view of a reed plate explaining another embodiment. FIG. 4 is an example of the present invention. Renewal process diagram of the present invention [FIG. 5] Renewal process diagram of the embodiment of the present invention [Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 Hook 2 Core material part 2a Wood core 2b Protector 3 Display information 5 Side wall board material 6 Steel board material 40 Steel board 41 Core material part 41a Wood core 41b Protector 41c Protector 42 Steel board material 43 Side wall board material 44 Limit sheet 50 Steel board 51 Core material part 51a Wood core 51b protector 51c protector 52 Cutter plate material 53 Side plate material 54 Limit sheet

Claims (6)

Remove the used plastic plate material remaining on the front, back, and side surfaces of the collected product from the used collected product of the plate that is made by adhering or laminating the plastic plate material on the front, back, and side surfaces of the core part. A first step of collecting the core material part, a second step of attaching or laminating a new plastic sheet material on the front and back surfaces of the collected core part, and a core obtained by pasting or laminating a new sheet material on the front and back surfaces Having a third step of sticking a new plastic plate material on the side of the material part,
The step of sticking the colored limit sheet on the front and back surfaces of the core part recovered in the first step is carried out before the second step,
Before the third step, the step of attaching desired information to an arbitrary side surface of the core part in which the front and back surfaces are pasted or laminated in the second step is performed.
A new renewal method for refining a used reed board on a new reed board, wherein the new reed board material adhered to the side surface in the third step is a transparent or translucent plastic board material .   The method for renewing a reed plate according to claim 1, wherein the step of cleaning the front and back surfaces and the side surfaces of the collected used reed plate is performed before the first step.   The method for renewing a slab according to claim 1 or 2, wherein the step of disinfecting the front and back surfaces of the core part collected in the first step is performed before the second step. Claims that allow the information to be attached to include at least customer information for identifying a previous customer of the collected used plate, and to sell back to the previous customer based on the customer information after completion of the renewal. The board renewal method in any one of 1-3. The renewal method of the reed board according to any one of claims 1 to 4, wherein the renewal reed board to which the specific customer information is attached is sold back to the customer after a period desired by the customer or after a predetermined period. The renewal method of reed plate according to any one of claims 1 to 5, wherein the used reed plate material removed in the second step is used as a plastic material other than fuel or the use of a reed plate.

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