KR20160041810A - Glass plate packing unit and method of packing glass plate - Google Patents

Glass plate packing unit and method of packing glass plate Download PDF

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Publication number
KR20160041810A
KR20160041810A KR1020150140770A KR20150140770A KR20160041810A KR 20160041810 A KR20160041810 A KR 20160041810A KR 1020150140770 A KR1020150140770 A KR 1020150140770A KR 20150140770 A KR20150140770 A KR 20150140770A KR 20160041810 A KR20160041810 A KR 20160041810A
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KR
South Korea
Prior art keywords
glass plate
laminate
plate
light
glass
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Application number
KR1020150140770A
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Korean (ko)
Inventor
유지 후세
가츠미 스즈키
Original Assignee
아사히 가라스 가부시키가이샤
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Publication of KR20160041810A publication Critical patent/KR20160041810A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/44—Elements or devices for locating articles on platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/30—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components

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  • Engineering & Computer Science (AREA)
  • Packaging Frangible Articles (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Food Science & Technology (AREA)

Abstract

The present invention relates to a glass plate gluing body in which a glass plate laminate in which glass plates and spacers are alternately arranged is wrapped in a vertical arrangement type packaging container, wherein the glass plate laminate and the packaging container are packaged by wrapping materials, The maximum value of the light transmittance of the packaging material is 5% or less in a wavelength range of 400 nm or less.

Description

TECHNICAL FIELD [0001] The present invention relates to a method for packing a glass plate and a glass plate,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for packing a glass plate package and a glass plate.

Glass plates such as glass plates for liquid crystal displays and glass plates for plasma displays are prone to scratches and contamination on the surface during storage and transportation, and are prone to product defects. As a form for preventing scratches and contamination of such glass sheets, Patent Document 1 discloses a pallet in which glass sheets and laminated sheets (sheets) are alternately laminated, and the laminate is wrapped.

The laminate is packed in a pallet at a glass plate manufacturing factory, and then transported to a display manufacturing factory by a transportation means such as a track. The laminate brought into the display manufacturing factory is opened at the display manufacturing factory and the glass plate is extracted.

In addition, Patent Document 2 discloses packaging a garment body with packaging material in order to prevent contamination of the glass plate by intrusion of dust from the outside.

Japanese Patent Application Laid-Open No. 2005-132490 Japanese Patent Application Laid-Open No. 2000-142856

Recently, it has been studied to use a glass plate for a light guide plate.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for packing a glass plate and a glass plate capable of reducing the influence of irradiation of ultraviolet rays on the quality of the glass plate.

The glass plate gauze of the present invention is a glass plate gauze in which a glass plate laminate in which a glass plate and spacers are alternately arranged is wrapped in a vertical arrangement type packaging container, wherein the glass plate laminate and the packaging container are packed with a packing material In the porous body, the maximum value of the light transmittance of the wrapping material is 5% or less in a wavelength range of 400 nm or less.

The glass plate wrapping method of the present invention is a wrapping method for wrapping a glass plate laminate in which a glass plate and a spacer are alternately arranged in a vertical wrapping container and a step of wrapping the glass plate laminate and the wrapping container in a wavelength region of 400 nm or less The packaging material having a maximum light transmittance of 5% or less.

According to the present invention, the influence of ultraviolet irradiation on the quality of the glass plate can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a glass plate gypsum body showing a laminate of a glass plate and a laminate for a pallet; Fig.
Fig. 2 is a perspective view of a glass plate package packaged with wrapping material. Fig.
3 is an exploded perspective view showing an assembling process of a glass plate packing box;
4 is a perspective view showing another example of the laminate.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The present invention will be described by the following preferred embodiments. It is to be understood that changes may be made by various methods without departing from the scope of the present invention, and embodiments other than this embodiment may be used. Accordingly, all modifications within the scope of the present invention are included in the claims.

Here, in the drawings, the same reference numerals denote like elements having similar functions. In the present specification, when numerical ranges are expressed by using "a to b", numerical values of upper and lower limits indicated by "a to b" are also included in the numerical range.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a glass plate warper according to the present invention will be described with reference to the accompanying drawings.

1 shows a glass plate laminate (hereinafter referred to as a "laminate") 12 in which a laminate 10 and a glass plate G are alternately arranged is wrapped with a vertical stacking type pallet (packing container) (Hereinafter, referred to as " gonocele ") 16. The vertical stacking type pallet 14 is exemplified as the packing container, but the present invention is not limited to this, and the stack 12 may be box-packed in a state of being laid in a transverse state. Here, the packing refers to a state in which the laminate 12 (glass plate laminate) is loaded on a pallet 14 (packing container). The vertical stacking type pallet is preferable from the viewpoint of area saving because the grounding area can be made smaller as compared with the horizontal stacking type pallet.

1, the pallet 14 includes a pedestal 18 as a base, a floor plate 20 on which the lower end surface of the glass plate G is placed, a triangular frame 22 as viewed from the side, a glass plate G A back surface side support plate 24 in which a surface (front surface or back surface) of the base plate 26 is supported, a wall member 26, and the like.

The floor support plate 20 is installed on the mounting surface 28 provided on the upper surface of the pedestal 18 and inclined with respect to the mounting surface 28. The frame 22 is erected on the mounting surface 28. The inclined surface of the front surface of the frame 22 is set to 80 to 100 degrees, particularly preferably to about 90 degrees with respect to the main surface of the floor support plate 20 (surface on which the lower end surface of the glass plate G is mounted). And the back side side support plate 24 is erected by being leaned against the inclined side. The bottom support plate 20 and the back side support plate 24 are provided with cushioning members (not shown) such as rubber or hard foamable resin in order to prevent damage due to contact with the glass plate G when the glass plate G is mounted have.

A wall member 26 is installed upright on the rear surface of the mounting surface 28 of the pedestal 18. And the frame 22 is supported on the wall 26. [ A pair of openings 30 are provided on the front surface of the pedestal 18 so that a fork (not shown) of the forklift is pulled out.

The floor support plate 20 is inclined and mounted on the mounting surface 28 via a plurality of triangular shaped bottom pieces 32 disposed between the mounting surface 28 and the floor support plate 20. [ Further, the floor support plate 20 is formed so that its main surface is preferably 5 to 25 degrees, more preferably 10 to 20 degrees, and particularly preferably about 18 degrees to the mounting surface 28 of the pedestal 18 As shown in FIG. This facilitates the positioning operation of the glass plate G when the glass plate G is loaded on the pallet 14 by the glass plate loading apparatus (not shown). In addition, since the main surfaces of the glass plates G are in contact with the main surfaces of the glass plates G on the back surface side receiving plate 24 due to their own weight, useless gaps do not occur between the main surfaces of the glass plates G. Further, it is possible to stabilize the glass plate G to be mounted, thereby preventing displacement or collapse of the glass plate G in the front (in the direction opposite to the back side plate 24), and preventing scratches and breakage.

It is also preferable that a bag 36 filled with a desiccant agent is inserted and arranged in an opening formed by the floor support plate 20, the mounting surface 28 and the bottom piece 32. As described later, the laminate 12 and the pallet 14 are packed by a packing bag (not shown). The moisture in the inner space of the package bag can be absorbed by the bag 36 filled with the desiccant. Thereby, the humidity of the laminate 12 itself can be controlled to a low level, so that occurrence of wrinkles in the laminate 10 can be suppressed.

A lateral pressing member for regulating the lateral displacement of the laminated body 12 may be provided on both ends in the longitudinal direction of the floor support plate 20 on the pallet 14 shown in Fig.

The laminate (12) is constituted by alternately laminating a plurality of glass plates (G) and a plurality of laminated sheets (10) to the pallet (14). In the present embodiment, the laminated sheet 10 is a sheet arranged alternately with a glass plate, and corresponds to a spacer.

The glass plate G is preferably used as a glass plate for a light guide plate. The glass plate G for a light guide plate has a characteristic that it is superior in mechanical strength, hygroscopicity and heat resistance to a light guide plate made of resin such as acryl. The glass plate G for the light guide plate has at least one end face for making light incident and a main face for emitting incident light, and has a high transmittance in the visible light region.

The glass plate G is, for example, a rectangular plate, and has two opposed main surfaces and four end surfaces. The term " rectangular shape " refers to a square shape or a rectangular shape, and includes a shape in which the corner portion is rounded. Since at least one of the end faces (hereinafter, also referred to as a light incident end face) of the four end faces of the glass plate G enters the light, the glass plate G is processed so as to have low reflection and low scattering as compared with other end faces, It is being polished. The glass plate G is configured so that light incident from the light incident end face is passed through the glass plate G and emitted from at least one of the two main surfaces.

It is preferable that the minimum value of the internal transmittance in the wavelength range of 400 to 700 nm is 80% or more and the difference between the maximum value and the minimum value of the internal transmittance is 15% or less under the condition of the optical path length of 200 mm. It is more preferable that the minimum value of the internal transmittance is 85% or more and the difference between the maximum value and the minimum value of the internal transmittance is 13% or less. When the minimum value of the internal transmittance is 90% or more and the difference between the maximum value and the minimum value of the internal transmittance is 8% Is more preferable.

The minimum value and the maximum value of the internal transmittance of the glass plate G in the wavelength range of 400 to 700 nm under the condition of the optical path length of 200 mm can be measured by the following method. First, the glass plate G is cut in the direction perpendicular to the main surface, so that the glass plate G is taken out from the central portion of the glass plate G in dimensions of 50 mm in length x 200 mm in width, ) Is obtained so that the arithmetic average roughness Ra ≤ 0.03 mu m. In this sample A, the beam width of the incident light was set to be narrower than the plate thickness by a slit or the like by an ultraviolet visible infrared spectrophotometer (UH4150, manufactured by Hitachi High-Tech Science Co., Ltd.) at a length of 200 mm in the normal direction from the first cut- Then, measure. The internal transmittance under the condition of the optical path length of 200 mm is obtained by removing the loss due to reflection at the surface from the transmittance under the condition of the optical path length of 200 mm obtained in this manner.

In another expression, the glass plate G preferably has an average internal transmittance of 90% or more at a wavelength of 400 to 700 nm under the condition of an optical path length of 50 mm. Thus, the attenuation of the light incident on the glass plate G can be suppressed as much as possible. The average internal transmittance at a wavelength of 400 to 700 nm under the condition of an optical path length of 50 mm is preferably 92% or more, more preferably 95% or more, further preferably 98% or more, and particularly preferably 99% or more Do.

The average internal transmittance of the glass plate G at a wavelength of 400 to 700 nm under the condition of an optical path length of 50 mm can be measured by the following method. First, the glass plate G is cut in the direction perpendicular to the main surface, so that the first and second cutaway surfaces (end surfaces), which are collected in the dimensions of 50 mm length x 50 mm width from the center portion of the glass plate G, To obtain a sample A having an average roughness Ra? 0.03 占 퐉. In this sample A, the beam width of the incident light was set to be narrower than the plate thickness with a slit or the like by an ultraviolet visible infrared spectrophotometer (UH4150, manufactured by Hitachi High-Tech Science Co., Ltd.) at a length of 50 mm from the first cut- Then, measure. The internal transmittance under the condition of the optical path length of 50 mm is obtained by removing the loss due to reflection at the surface from the transmittance under the condition of the optical path length of 50 mm thus obtained.

The total amount A of the iron contained in the glass used as the glass plate G is preferably not more than 100 mass ppm in view of satisfying the above-mentioned internal transmittance at a wavelength of 400 to 700 nm, more preferably not more than 40 mass ppm, Or less. On the other hand, the total amount A of the iron contained in the glass used as the glass plate G is preferably not less than 5 mass ppm for improving the solubility of the glass when producing the multi-component oxide glass, more preferably not less than 8 mass ppm, More preferably 10 mass ppm or more. Further, the total amount A of the iron content of the glass used as the glass plate G can be controlled according to the amount of iron added at the time of producing the glass.

In the present specification, the total amount A of the iron in the glass is expressed as the content of Fe 2 O 3 , but not all of the iron present in the glass is present as Fe 3 + (trivalent iron). Normally, Fe 3 + and Fe 2 + (bivalent iron) are present in the glass at the same time. Fe + 2 and Fe + 3 is gatjiman an absorption wavelength in the range of 400 to 700㎚, the absorption coefficient of the Fe 2 + (-1 11㎝ Mol -1) is Fe 3 + absorption coefficient (0.96㎝ of - 1 Mol - 1 ), the Fe 2 + further reduces the internal transmittance at a wavelength of 400 to 700 nm. Therefore, the content of Fe 2 + is preferably small in order to increase the internal transmittance at a wavelength of 400 to 700 nm.

The content B of Fe 2 + in the glass used as the glass plate G is preferably 20 mass ppm or less for satisfying the above-mentioned internal transmittance at a wavelength of 400 to 700 nm, more preferably 10 mass ppm or less, And more preferably not more than 1 ppm by mass. On the other hand, the content B of Fe 2 + in the glass used as the glass plate G is preferably 0.01 mass ppm or more for improving the solubility of the glass when producing the multi-component oxide glass, more preferably 0.05 mass ppm or more And more preferably 0.1 mass ppm or more.

The content B of Fe 2 + in the glass used as the glass plate G can be controlled depending on the amount of the oxidizing agent added at the time of producing the glass or the melting temperature. The specific kinds of the oxidizing agent to be added in the production of the glass and the amount thereof to be added will be described later. A content of Fe 2 O 3, is the content (mass ppm) of total iron in terms of Fe 2 O 3 obtained by the fluorescent X-ray measurement. The content B of Fe 2 + was measured in accordance with ASTM C169-92 (2011). The content of Fe 2 + measured was expressed in terms of Fe 2 O 3 .

In the case of using the glass plate G having the above composition for a light guide plate, the inventors of the present invention have found out that the irradiation of ultraviolet light affects the quality of the glass plate. Therefore, when the glass laminate 12 has the glass plate G having the above composition in the glass plate covering body 16 of the present embodiment, the influence of the irradiation of ultraviolet light on the quality of the glass plate G is effectively reduced, desirable.

Suitable examples of the composition of the glass used as the glass plate G are shown below. However, the composition of the glass used as the glass plate G is not limited thereto.

One constitutional example (constitution A) of the glass used as the glass plate G is a mass percent based on the oxide, wherein 60 to 80% of SiO 2 , 0 to 7% of Al 2 O 3 , 0 to 10% of MgO, CaO to contain 0 to 20%, SrO 0 to 15%, BaO 0 to 15%, 3 to 20%, the K 2 O 0 to 10%, from 5 to 100 ppm by weight of Fe 2 O 3 to Na 2 O do.

Configuration other one of the glass used as the glass plate G example (configuration example B) is, by mass percent shown in the oxide basis, of SiO 2 45 to 80%, Al 2 O 3 to 7% greater than 30%, B 2 O 3 0 to 15%, MgO 0 to 15%, CaO 0 to 6% SrO 0 to 5% BaO 0 to 5%, Na 2 O 7 to 20%, the K 2 O 0 to 10 %, 0 to 10% of ZrO 2 , and 5 to 100 mass ppm of Fe 2 O 3 .

Another constitution example (constitution example C) of the glass used as the glass plate G is a glass composition containing 45 to 70% SiO 2 , 10 to 30% Al 2 O 3 , B 2 O 3 0 to 15%, MgO, CaO, SrO and BaO in a total amount of 5 to 30%, Li 2 O, Na 2 O and K 2 O in a total amount of 0 to 3%, Fe 2 O 3 in an amount of 5 to 100 mass ppm.

However, the glass used as the glass plate G is not limited to these.

A light source such as a light emitting diode is disposed on the light incidence end face of the glass plate G to constitute a so-called edge light type surface light emitting device. The edge light type surface light emitting device can be used as a backlight of a liquid crystal display and also as a surface emitting illumination device.

The thickness of the glass plate G is preferably 0.5 to 10 mm. Since the glass plate G has a thickness of 0.5 mm or more, attenuation due to reflection on the glass surface of light propagating in use as a light guide plate is reduced. In addition, since the thickness of the glass plate G is 10 mm or less, the number of times that the light is scattered to the light scattering portion under the light guide plate increases, and the amount of light extracted outside increases. The thickness of the glass plate G is more preferably 0.7 mm or more, more preferably 1.0 mm or more, and still more preferably 1.5 mm or more. With a thickness of 0.7 mm or more, sufficient rigidity can be obtained. In addition, the thickness of the glass plate 12 is more preferably 3.0 mm or less, thereby contributing to the thinness of the surface-emitting illumination device.

Further, in the case where the planar light emitting device is provided in a liquid crystal TV of edge light type, for example, the length of one side of the glass plate is not less than 200 mm, but is not limited thereto.

As described above, the influence on quality due to irradiation of ultraviolet rays (wavelength of 10 to 400 nm) to the glass plate G is a problem. Here, the degree of influence on the quality due to the irradiation of ultraviolet rays to the glass plate G can be confirmed by the above-described ultraviolet visible near infrared spectrophotometer.

The laminated body 12 is packed in a pallet at a glass plate manufacturing factory and transported to a display manufacturing factory, for example, by a transportation means such as a track. The laminated body (12) brought into the display manufacturing factory is opened at the display manufacturing factory to extract the glass plate (G). It becomes important to protect the glass plate G from the irradiation of ultraviolet rays from the time of packing until the time of opening of packing.

The lumber 10 is preferably a paper larger than the glass plate G in order to prevent the glass plates G from contacting each other and protect the glass plate G from adhesion such as scratches or dust. Since the upper piece 10A of the laminate 10 is attracted and held by the adsorption member for lamination (not shown) when the glass plate G is removed from the laminate 10, (For example, 50 to 100 mm). It is also possible to prevent the edges of the end face of the glass plate G from being in contact with each other by the upper piece 10A of the laminate 10. [ Since the side piece 10B of the laminate 10 is also attracted and held by the adsorbing member for laminating when the glass plate G is removed from the laminate 10, 50 to 100 mm).

Further, the laminate 10 may be adhered to the glass plate G. By bonding the laminate 10 to the glass plate G, it is possible to more effectively protect the glass plate G from adhesion of dust or dirt such as scratches. Examples of the method for bonding the laminate 10 to the glass plate G include a method of bonding the laminate 10 to one side of the glass plate G with an adhesive or the like or a method of bonding the laminate 10 to both sides of the glass plate G I can think.

When two pieces of the laminate 10 cover both sides of the glass plate G, instead of bonding the laminate 10 to the glass plate G, four sides of the two pieces of the laminate 10 are adhered to each other so that the glass plate G is stuck It may be more effectively protected from adhesion of dust or the like (not shown). Further, one piece of the laminate 10 may be folded so that the glass plate G is interposed therebetween, and the opposing sides of the folded laminate 10 may be bonded (not shown).

The raw material of the laminate 10 is preferably virgin pulp, but it may be paper. As the raw material of the laminate 10, a weak acidic paper or a neutral paper may be used.

It is preferable that the smoothness of the lumber 10 specified in JIS-P8119: 1998 is 10 seconds or less. By setting the smoothness of the laminate 10 to 10 seconds or less, the cushioning property of the laminate 10 can be improved. It is possible to more effectively protect the edge of the glass plate G, particularly, the edge of the end face for entering the light of the glass plate G from the damage such as scratches, by supporting the laminate 10 of high cushionability with the adjacent glass plate G.

Generally, if the smoothness of the laminate 10 is 10 seconds or less, the amount of particles generated from the laminate 10 increases. It is considered that the particle causes a deterioration in the quality of the main surface of the glass plate G. However, in the glass plate G, the damage such as scratches on the main surface has little influence on the quality of the glass plate G. [ Therefore, it is preferable to protect the edge of the end face of the glass plate G by improving the cushioning property with respect to the laminate 10. [

As an example of the spacer, the laminate 10, which is one of the sheets, has been described, but examples of other sheets include a resin film and a foamed resin. For example, a resin film or foam resin containing polypropylene (PP), polyethylene (PE), polystyrene, or polyester as a main component can be used. The resin film or the foamed resin can be used in the same manner as the above-mentioned laminate 10.

In order to protect the glass plate G from irradiation with ultraviolet rays, it is preferable to blend the ultraviolet absorber with the sheet-like laminate 10 and the resin film.

After the laminate 12 is mounted on the pallet 14, for example, a protection plate 34 is disposed in front of the laminate 12 (in a direction opposite to the back side plate 24) And covers all or part of the front surface of the housing. Angle members (not shown) are disposed at both corners of the protective plate 34. [ A binding member (not shown) is bound in the horizontal direction, and the pallet 14 and the laminate 12 are fixed. The binding member is composed of, for example, a known band of polypropylene resin used as a packaging material or other band or string.

As described above, the light incident end face of the glass plate G is processed to have low reflection and low scattering compared with other end faces, and it is also important to protect the light incident end face from damage such as scratches. Therefore, it is preferable to wrap the laminate 12 on the pallet 14 without making the light incident end face of the glass plate G downward. In particular, when the light incidence end face is one face, it is more preferable that the laminate body 12 is wrapped on the pallet 14 with the light incident end face of the glass plate G facing upward. Means that the light incidence end surface of the glass plate G is stacked on the bottom support plate 20 of the pallet 14 and that " And the end face of the G opposed to the light incidence end face is placed on the floor support plate 20 of the pallet 14. [ It is possible to avoid the light incident end face of the glass plate G from contacting the packing container such as the pallet 14 by wrapping the laminated body 12 without the light incident end face of the glass plate G downward, It is possible to avoid receiving damages such as scratches.

Fig. 2 is a perspective view of a glass plate package packaged by wrapping material. Fig.

In this embodiment, the packaging material is a packaging bag 40, and the packaging bag 40 is a bag body having an opening portion in which the maximum value of the light transmittance in a wavelength region of 400 nm or less is 5% or less. As shown in Fig. 2, the laminate 12 and the pallet 14 are packed by the package bag 40. Fig. Since the packaging bag 40 protects the glass plate G from ultraviolet ray irradiation, the influence of the ultraviolet rays on the quality of the glass plate G is reduced, and the quality of the glass plate G can be prevented from deteriorating. The maximum value of the light transmittance in the wavelength region of 400 nm or less of the packaging bag 40 is 5% or less, preferably 1% or less, more preferably 0.4% or less. The light transmittance of the packaging pouch 40 in a wavelength range of 400 nm or less can be measured by a spectrophotometer (SolidSpec-3700, manufactured by Shimadzu Corporation). The " wavelength region of 400 nm or less " can be generally referred to as a " wavelength region of 10 to 400 nm " which is a wavelength region corresponding to light (ultraviolet ray) The maximum value of the light transmittance in the wavelength region of 400 nm or less is a maximum value after the transmittance is measured every 1 nm for light in the wavelength range of 10 nm to 400 nm.

The laminated body 12 and the pallet 14 are put into the package bag 40 by opening the opening of the packaging bag 40 and covering the laminated body 12 and the pallet 14 from the top with the packaging bag 40 It is packed by. The packaging pouch 40 covers the entire laminated body 12 except the surface provided on the floor support plate 20. [ Further, the package bag 40 covers the entire pallet 14 except for the pedestal 18.

The packaging pouch 40 is preferably made of a resin film containing an ultraviolet absorber. The resin film is not limited as long as it can be added with an ultraviolet absorber. For example, a resin film comprising a polyethylene resin, a polypropylene resin, a polystyrene resin, and a polyester resin as a main component can be used. As the ultraviolet absorber, a benzotriazole-based material, a benzophenone-based material, a salicylate-based material, a cyanoacrylate-based material, an organic nickel-based material, and a triazine-based material can be used. The thickness of the resin film is preferably 0.03 to 0.3 mm from the viewpoint of contributing to weight reduction of the packaging bag while maintaining sufficient rigidity.

Although the packaging bag 40 is described as an example of the packaging material, the packaging material may be a sheet body. The laminated body 12 and the pallet 14 can be packaged in a sheet form (wrapping material) by covering the laminated body 12 and the pallet 14 with the packing material of the sheet body. Like the packaging bag 40, the sheet body is preferably composed of a resin film containing an ultraviolet absorber.

The shape, size, material and the like are not particularly limited as long as the maximum value of the light transmittance in the wavelength range of 400 nm or less is 5% or less and the laminate 12 and the pallet 14 can be packed.

A method of packing a glass plate according to the present embodiment will be described with reference to Figs. 1 and 2. Fig. First, a cushioning member (not shown) is attached to the bottom support plate 20 and the back side support plate 24 of the pallet 14 (packing container). This prevents the glass plate G from being damaged by contact between the glass plate G and the bottom plate 20 and the back plate 24 when the glass plate G is loaded.

Then, the glass plate G is stacked (so-called vertical arrangement) by standing along the back side side support plate 24 from the back side side support plate 24 side. The glass plate G is loaded with the light incidence end face of the glass plate G facing upward. This is to protect the light incident end face of the glass plate G from damage such as scratches. It is preferable that the light incidence end face of the glass plate G is an end face located on the long side when the glass plate G is rectangular.

Next, the laminate 10 is disposed in front of the glass plate G. Then, the glass plate G and the laminated paper 10 (spacers) are alternately arranged as many as necessary. When the necessary number of glass plates G and the laminated paper 10 are arranged on the floor support plate 20, the packaging process is completed.

Then, if necessary, the front side of the laminated body 12 (the direction opposite to the back side side pedestal plate 24) is covered with the protection plate 34, and an angle member (not shown) is arranged at both corners of the protection plate 34 do. A binding member (not shown) is bound in the horizontal direction to fix the pallet 14 and the layered body 12.

Then, the opening of the packaging bag 40 is opened, and the packaging bag 40 is put on the laminate 12 and the pallet 14 from above. The packaging process of packaging the laminate 12 and the pallet 14 by the packaging pouch 40 is completed. Further, if necessary, the packaging bag 40 and the pallet 14 are fixed so that the packaging bag 40 is not shifted. The number of the packaging pockets 40 may be one, but may be two, or three or more.

Finally, it takes the form of a packaging box, for example, from a glass plate manufacturing plant to a display factory or the like. Alternatively, it is stored in a warehouse in a packing box.

3 is an assembled exploded perspective view for explaining a procedure for forming a packaging body 50 in which the laminated body 12 and the pallet 14 are packed with the packaging bag 40 in the form of a packing box 50. Fig.

First, a package body 16 in which a laminate body 12 and a pallet 14 are packed with a packaging bag 40 is prepared. Subsequently, two side plates 52 are provided on side edges of the mounting surface 28 of the pedestal 18 so as to cover the side end surfaces of the laminate 12. [ The two side plates 52 are inserted into grooves (not shown) formed in the side edge portions of the mounting surface 28, for example, and the two side plates 52 and the pedestal 18 are fixed with screws or the like . The side plate 52 can be formed of a resin plate member (for example, a plastic corrugated cardboard including polypropylene) having a hollow portion and an aluminum frame reinforcing the periphery thereof.

The front plate 54 is then mounted on the front edge of the mounting surface 28 of the pedestal 18 so as to cover the front of the laminate 12. [ The front plate 54 is inserted into a groove (not shown) formed at the front edge of the mounting surface 28, for example, and the front plate 54 and the pedestal 18 are fixed with screws or the like. Like the side plate 52, the front plate 54 is composed of a resin plate member having a hollow portion and an aluminum frame reinforcing the periphery thereof.

Lastly, in order to prevent the upper opening formed by the two side plates 52, the front plate 54 and the wall 26 provided on the pedestal 18, the top plate 56 and the side plates 52, And is installed in the guide plate 54 and the wall body 26. The ceiling plate 56 is stacked on a ceiling plate supporting member (not shown) provided above the side plate 52, the front plate 54 and the wall 26, for example. By installing the ceiling plate 56, the packing box 50 is completed.

The ceiling plate 56 is formed of a single piece of aluminum in consideration of weight reduction, and is formed by bending aluminum to maintain a predetermined strength.

Next, the laminate 60, which is another laminate of glass plates, will be described. 4 is a perspective view of the laminate 60. Fig. The box 62 for accommodating the glass plate G is composed of a box main body 64 with an opened upper surface and a lid 66 in the form of a box with an open bottom. The box body 64 is composed of four side plates and a bottom plate. Two receiving members 68 having a plurality of grooves 68A and a flat portion 68B between the grooves are disposed on the bottom plate inside the box body 64. [ The plurality of grooves 68A of the housing member 68 are formed at a constant pitch.

Further, the lid 66 is composed of four side plates and a ceiling plate. Two pressing members 70 formed with a plurality of grooves 70A and a flat portion 70B between the grooves are disposed on the ceiling plate inside the lid 66. [ The plurality of grooves 70A of the pressing member 70 are formed at a constant pitch.

The lower end face of the glass plate G is inserted into each groove 68A of the housing member 68 and the upper end face of the glass plate G is inserted into each groove 70A of the pressing member 70. [ Contact between the glass plates G is prevented by the housing member 68 and the pressing member 70, and the glass plate G is protected. It is preferable to arrange a cushion member between the cover 66 and the upper end face of the glass plate G to protect the upper end face of the glass plate G. [

The flat portion 68B of the housing member 68 is a spacer which is alternately arranged on the glass plate G and the flat portion 70B of the pressing member 70 is a spacer which is alternately arranged on the glass plate G. In this embodiment, . A box 62 housing a glass plate G constitutes a laminate 60 (glass plate laminate).

The shape, size and the like of the spacer are not particularly limited as long as they can prevent the glass plates G from coming into contact with each other.

The laminate body 60 is constructed by stacking the laminate body 60 on the pallet 14 and wrapping the laminate body 60 and the pallet 14 in the package pouch 40. By packing the package in the package bag 40, the glass plate G can be protected from ultraviolet ray irradiation, and deterioration of the quality of the glass plate G can be suppressed.

It is preferable that a desiccant (not shown) is provided inside the packaging bag 40 (on the same side as the glass plate G). Since the desiccant lowers the humidity of the air inside the package bag 40, it is possible to suppress the decrease in the transmittance caused by the opacity of the glass plate G by moisture. The drying agent is not limited as long as it reduces the humidity of the air, and examples thereof include silica gel and calcium chloride.

It is preferable that the temperature of the outside of the package bag 40 (on the side different from the glass plate G) is 30 占 폚 or less as a condition for storing the thermoplastic body 16. The external humidity of the package bag 40 is preferably 60% or less, more preferably 40% or less. Also, the garniture 16 is preferably stored in a dehumidifying warehouse.

The present application is based on Japanese Patent Application No. 2014-206887 filed on October 8, 2014, the contents of which are incorporated herein by reference.

G: Glass plate
10: Lagoons
12:
14: Palette
16: Gonoche
18: Stand
20: Floor plate
22: frame
24: rear side plate
26: Wall
28: Mounting surface
30: opening
32:
40: Packing bag
60:
62:
64: box body
66: Cover
68: housing member
68A: Home
68B:
70: pressing member
70A: Home
70B:

Claims (12)

A glass plate gluing body in which a glass plate laminate in which a glass plate and a spacer are alternately arranged is wrapped in a vertical arrangement type packing container is characterized in that the glass plate laminate and the packing container are packaged by wrapping materials,
Wherein the maximum value of the light transmittance of the packaging material is 5% or less in a wavelength range of 400 nm or less. The method according to claim 1,
Wherein the wrapping material is a resin film containing an ultraviolet absorber. 3. The method according to claim 1 or 2,
Wherein the spacer is a sheet. The method of claim 3,
Wherein the sheet is a laminate, a resin film or a foamed resin. 5. The method of claim 4,
Wherein the sheet is a laminate, and the laminate has a flatness of 10 seconds or less as defined in JIS-P8119: 1998. The method according to claim 4 or 5,
Wherein the sheet is a laminate and the laminate comprises an ultraviolet absorber. 7. The method according to any one of claims 1 to 6,
Wherein the glass plate is a glass plate for a light guide plate having a light incident end face for allowing light to enter and a main face for emitting incident light. 8. The method of claim 7,
Wherein the glass plate laminate is packed in the packaging container without making the light incident end face of the glass plate for the light guide plate downward. 9. The method according to any one of claims 1 to 8,
And a desiccant is provided inside the wrapping material. A wrapping step of wrapping the glass plate laminate in which the glass plate and the spacer are alternately arranged in a vertical wrapping container,
Wherein the glass plate laminate and the packaging container are packaged by a packaging material having a maximum light transmittance of 5% or less in a wavelength range of 400 nm or less. 11. The method of claim 10,
Wherein the glass plate is a glass plate for a light guide plate having a light incident end face for allowing light to enter and a main face for emitting incident light. 12. The method of claim 11,
In the packaging step, the glass plate laminate is wrapped in the packaging container without making the light incident end face of the glass plate for the light guide plate downward.
KR1020150140770A 2014-10-08 2015-10-07 Glass plate packing unit and method of packing glass plate KR20160041810A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014206887A JP2016074467A (en) 2014-10-08 2014-10-08 Glass plate packing body and packing method of glass plate
JPJP-P-2014-206887 2014-10-08

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