Glass plate packaging and double glass plate packaging

Abstract

For the glass plate packaging body 1, the glass plate laminate 2, which is formed by stacking glass plates 4 and protective sheets 5 in a flat position and placing a top plate 6 and a bottom plate 7 on its top and bottom respectively, is bound together along the stacking direction by a binding member 3. This improves the workability when lifting the glass plate laminate for operations and can fully protect the glass plates.

Description

Glass plate packaging and double glass plate packaging This invention relates to a glass plate packaging body and a double glass plate packaging body with the glass plate packaging body as a constituent element. As a packaging form intended for the transport or storage of glass plates, for example, Patent Document 1 discloses a glass plate laminate formed by stacking glass plates and protective sheets in a flat position and housing it in the internal space of a box. Furthermore, the aforementioned document discloses that the upper and lower ends of the glass laminate are respectively composed of a top plate and a bottom plate, and that the loading or unloading operation of the glass laminate is performed with the supporting bottom plate raised. [Prior Art Documents] [Patent Documents] Patent Document 1: Japanese Patent Application Publication No. 2012-51586 [Problem to be solved by the invention] However, as disclosed in Patent Document 1, when the glass plate laminate is housed in a box and transported, due to vibration or tilting during transport, sliding occurs between the glass plate and the protective sheet, which may cause scratches on the main surface of the glass plate or damage to the end face of the glass plate upon contact with the box. From the above perspectives, the objective of this invention is to adequately protect the glass sheets during the transport of the glass sheet laminate. [Means for Solving the Objective] (1) The first aspect of the present invention, created to solve the aforementioned problem, is characterized by obtaining a glass plate packaging body, wherein the glass plate packaging body is formed by stacking glass plates and protective sheets in a flat position and having a top plate and a bottom plate respectively disposed on its upper and lower parts, and is bound along the stacking direction by a binding member. With this structure, the glass laminate is bundled together by binding members to form a glass package, thus preventing slippage between the glass and the protective sheet. This prevents scratches on the main surface of the glass or breakage at the end face of the glass. (2) The structure as described in (1) may also be: the glass plate, the protective sheet, the top plate, and the bottom plate are rectangular, the protective sheet extends from at least two corresponding sides of the glass plate, the top plate, and the bottom plate when viewed from above, and the binding member contacts the extension of the protective sheet from the glass plate, the top plate, and the bottom plate. If so, the protective sheet can be properly secured by contact between the binding member and the protrusion of the protective sheet. In this case, for example, the binding member can be engaged with the protrusion of the protective sheet. This secures the glass laminate into a stable state. (3) The structure as described in (1) or (2) may also be: the binding member is hung across at least two opposite sides of the top plate and across at least two opposite sides of the bottom plate. If so, the glass laminate can be stably subjected to the binding force generated by the binding members. (4) Any of the structures described in (1) to (3) may also be: the binding member is hung across at least two opposite sides of the top plate and at multiple locations, and across at least two opposite sides of the bottom plate and at multiple locations. If this is done, it will not only prevent the glass plates from shifting in directions orthogonal to the opposite sides, but also prevent them from shifting in the direction of rotation. Therefore, the glass laminate can be appropriately subjected to a binding force generated by the binding members. (5) Any of the structures described in (1) to (4) may also be: the binding members are hung across one opposite side and the other opposite side of the top plate respectively, and are hung across one opposite side and the other opposite side of the bottom plate respectively. If so, the binding members are hung on the upper surface of the top plate and the lower surface of the bottom plate in two intersecting directions, which can more stably impart binding force generated by the binding members to the glass laminate. (6) Any of the structures described in (1) to (5) may also be: the binding members are hung at multiple locations across one opposite side and the other opposite side of the top plate, and are hung at multiple locations across one opposite side and the other opposite side of the bottom plate. In this way, not only can the glass plate be prevented from shifting in a direction orthogonal to the two opposing sides, but it can also be prevented from shifting in the direction of rotation. Therefore, the glass plate laminate can be more appropriately subjected to the binding force generated by the binding members. (7) Any of the structures described in (1) to (6) may also be: the length of the four sides of the protective sheet, the top plate and the bottom plate is longer than the length of the corresponding four sides of the glass plate. If so, when viewed from above, the protective sheet, top plate, and bottom plate can extend from all four sides of the glass plate, thus protecting the end face of the glass plate across the entire circumference. (8) Any of the structures described in (1) to (7) may also be: the length of the four sides of the protective sheet is longer than the length of the corresponding four sides of the glass plate, the top plate and the bottom plate. If so, when viewed from above, the protective sheet can extend from all four sides of the glass plate, top plate, and bottom plate, thus increasing the contact area between the binding components and the protective sheet. (9) Any of the structures described in (1) to (8) may also be: the protective sheet extends from the end face of the glass plate by more than 5 mm and less than 150 mm. If so, the protective sheet extends an appropriate length from the end face of the glass plate, thus providing more reliable protection for the end face of the glass plate. (10) Any of the structures described in (1) to (9) may also be: the binding members are respectively hung from the four sides of the top plate to the corresponding four sides of the bottom plate. If so, the binding components attached to the four locations can contact the protruding parts of the four locations of the protective sheet, thus securing the protective sheet more reliably and stably. (11) Any of the structures described in (1) to (10) may also be: the binding member is a flexible strip-shaped member, one end of the binding member is bonded to the other end face in the longitudinal direction to form a ring, and is wound from the top plate across the bottom plate. In this case, since there are no protrusions such as buckles in the binding members, there will be no large local pressure exerted by the binding members on the glass laminate. As a result, it is less likely to cause improper deformation of the glass laminate due to contact with the binding members, or damage or breakage of the glass. (12) Any of the structures described in (1) to (11) may also be: the binding member is elastic. If this is the case, the binding components will not easily become loose, and excessive loads on the glass plate can be suppressed. (13) As described in any of (1) to (12), wherein, preferably, the thickness of the glass plate is 0.01 mm or more and 0.3 mm or less, and the size of one side is 1000 mm or less. That is, the glass plate package including any of the structures described in (1) to (12) is suitable for packaging thin-walled and small glass plates as described above. (14) The second aspect of the present invention, created to solve the aforementioned problem, is characterized by obtaining a double glass plate package, the double glass plate package comprising a glass plate package of any of the structures described in (1) to (13) and housed in a box comprising a bottom wall portion, a top cover portion, and four side walls portions. Based on this structure, the glass plate laminate can be stored and retrieved relative to the box in the form of the package, thus improving the workability of the storage and retrieval operations. (15) The structure as described in (14) may also be: the upper cover is embedded into the inner side of the four side walls. In this way, even if the height of the glass laminate changes, the height of the lower surface of the upper cover can change accordingly. This minimizes the gap between the upper surface of the top plate of the glass laminate and the lower surface of the upper cover. Furthermore, if the thickness of the upper cover varies according to the height of the glass laminate, the upper surface of the upper cover and the upper end face of the sidewall can be at the same height. (16) The structure as described in (14) or (15) may also be: at least two opposing sidewall portions of the four sidewall portions have a first cut recess along the vertical direction formed on their inner surfaces, and a second cut recess continuous with the first cut recess is formed on the inner surface of the bottom wall portion. In this way, even if the gap between the inner surface of the sidewall and the glass laminate is small, or even if the protective sheet contacts the inner surface of the sidewall, the operator's fingers or other supporting components can be easily inserted into the first and second notch recesses to remove the glass laminate from the housing. Furthermore, the glass laminate can be easily stored in the housing in the same manner. Additionally, this minimizes the gap between the inner surface of the sidewall and the glass laminate. [Effects of the Invention] The present invention enables adequate protection of glass plates during the transport of glass plate laminates. Hereinafter, the glass plate packaging body and the double glass plate packaging body according to embodiments of the present invention will be described with reference to the accompanying drawings. Figure 1 is a partial cross-sectional perspective view showing the overall structure of the glass plate packaging body according to an embodiment of the present invention, and Figure 2 is an exploded perspective view showing the main parts of the glass plate packaging body. As shown in these figures, the glass plate packaging body 1 uses binding members 3 to bind the glass plate laminate 2. The glass plate laminate 2 consists of multiple glass plates 4 stacked in a flat position with protective sheets 5 separating each other, and a top plate 6 and a bottom plate 7 are respectively arranged on its upper and lower parts. The protective sheets 5 separating the glass plates 4 can be one or multiple sheets. The glass plate 4 is rectangular, and no thick wall portion (so-called ear portion) with a greater thickness than the central area is formed on any of the four sides 4a. The thickness of the glass plate 4 is, for example, 0.01 mm or more and 2 mm or less, preferably 0.02 mm or more and 0.3 mm or less, and the dimension of one side is 1000 mm or less (the lower limit is, for example, 300 mm). Furthermore, the glass plate 4 can be used, for example, as a glass substrate for panel displays such as liquid crystal displays, plasma displays, and organic electroluminescence (EL) displays; glass substrates for devices such as solar cells, lithium-ion batteries, digital signage, touch panels, and electronic paper; or as a cover glass for mobile devices such as smartphones, input pads, and personal computers (PCs), especially for foldable devices, which can be chemically strengthened; or as a cover glass for flexible thin-film solar cells or organic EL lighting; and as glass for glass containers, window panels, laminated lightweight window glass, or glass resin laminates used for digital signage or as protective substrates for protective glasses, etc., but is not limited to these uses. The protective sheet 5 is rectangular and has a thickness of 0.025 mm to 3 mm. The lengths of the four sides 5a of the protective sheet 5 are longer than the corresponding four sides 4a of the glass plate 4. Therefore, the protective sheet 5 extends from the four sides 4a of the glass plate 4 when viewed from above. The extension of the protective sheet 5 relative to the four sides 4a of the glass plate 4 is preferably 5 mm or more and 150 mm or less. The lower limit of the extension is preferably 10 mm or more, and more preferably 20 mm or more. The upper limit of the extension is preferably 100 mm or less, and more preferably 50 mm or less. Furthermore, the protective sheet 5 may include, for example, a backing paper (pure pulp paper), a resin sheet (e.g., polyethylene terephthalate film), or a foamed resin sheet. The protective sheet 5 is directly laminated onto the glass plate 4 for use, therefore, these protective sheets 5 are preferably made of components with high cleanliness relative to the glass plate 4, or components with high cushioning and less prone to surface scratches, such as 100% pure pulp backing paper or foamed resin sheets. Both the top plate 6 and the bottom plate 7 are rectangular. The lengths of the four sides 6a and 7a of each of the top plate 6 and the bottom plate 7 are shorter than the lengths of the corresponding four sides 5a of the protective sheet 5. Therefore, the protective sheet 5 extends from the four sides 6a and 7a of each of the top plate 6 and the bottom plate 7 when viewed from above. On the other hand, the lengths of the four sides 6a and 7a of each of the top plate 6 and the bottom plate 7 are longer than the lengths of the corresponding four sides 4a of the glass plate 4. Therefore, when viewed from above, the four sides 6a and 7a of each of the top plate 6 and the bottom plate 7 extend from the corresponding four sides 4a of the glass plate 4. Both the top plate 6 and the bottom plate 7 are made of synthetic resin such as expanded polystyrene or expanded polypropylene. Furthermore, the top plate 6 and the bottom plate 7 may also include corrugated cardboard made of plastic or corrugated cardboard made of paper. In addition, in order to maintain the cleanliness of the glass plate being packaged and transported, the top plate 6 and the bottom plate 7 are preferably made of resin products with low dust generation. In this embodiment, both the top plate 6 and the bottom plate 7 have higher rigidity and greater thickness than the protective sheet 5. The bending strength of both the top plate 6 and the bottom plate 7 is preferably 1 MPa to 30 MPa, and the bending modulus is preferably 100 MPa to 600 MPa. Furthermore, both the top plate 6 and the bottom plate 7 preferably have appropriate cushioning properties. In this embodiment, the binding member 3 includes two flexible strip-shaped members (e.g., adhesive tape). The two binding members 3 are connected at one end in the longitudinal direction to form a loop, and are wound across the lower surface 7b of the bottom plate 7 from the upper surface 6b of the top plate 6 (details will be described later). These binding members 3 include elastic resin tape, but may also include rubber bands or cloth tape. Here, elasticity means that the reversible length change when a load is applied in the longitudinal direction is set to 50% or less, more preferably 30% or less, and even more preferably 10% or less. For example, if the glass plate 4 is 0.3 mm or less thick, and the elasticity of the binding member 3 is too large, the glass plate 4 may deviate from its designated position due to vibration or impact during transport, and the glass plate 4 may break due to bending stress. Furthermore, from the viewpoint of simplifying the bundling operation, the bundling components 3 are preferably adhesive tapes that are bonded to each other but not to the objects being bundled (top plate 6, bottom plate 7, glass plate 4, and protective sheet 5). Hereinafter, the adhesive tape will be referred to as self-adhesive tape, also known as self-melting tape. Figure 3 is a perspective view exaggerating the shape of the upper part of the glass plate packaging 1 as viewed from an obliquely upward perspective, and Figure 4 is a perspective view exaggerating the shape of the lower part of the glass plate packaging 1 as viewed from an obliquely downward perspective. Furthermore, in this embodiment, the top plate 6, the bottom plate 7, the protective sheet 5, and the glass plate are rectangular. Therefore, in the following description, the opposing longer sides of the four sides 6a of the top plate 6 will be referred to as the longer side 6ax, and the opposing shorter sides will be referred to as the shorter side 6ay. Similarly, the opposing longer sides of the four sides 7a of the bottom plate 7 will be referred to as the longer side 7ax, and the opposing shorter sides will be referred to as the shorter side 7ay. Furthermore, the binding member 3 extending along the directions of its longer sides 6ax and 7ax on the upper surface 6b of the top plate 6 and below the lower surface 7b of the bottom plate 7 will be referred to as the first binding member 3x. Additionally, the binding member extending along their short sides 6ay and 7ay on the upper surface 6b of the top plate 6 and below the lower surface 7b of the bottom plate 7 is referred to as the second binding member 3y. As shown in Figure 3, the first binding member 3x is hung from the center of one short side 6ay of the top plate 6, spanning across the center of the other short side 6ay. The second binding member 3y is hung from the center of one long side 6ax of the top plate 6, spanning across the center of the other long side 6ax. One end 3xa and the other end 3xb of the first binding member 3x are bonded to the upper surface 6b of the top plate 6, and one end 3ya and the other end 3yb of the second binding member 3y are also bonded to the upper surface 6b of the top plate 6. As a method of bonding these surfaces, when both the first binding member 3x and the second binding member 3y include self-adhesive tape, it is sufficient to press the ends 3xa and 3xb of the first binding member 3x against each other and the ends 3ya and 3yb of the second binding member 3y against each other, respectively. Furthermore, when neither the first binding member 3x nor the second binding member 3y includes self-adhesive tape, the bonding methods can also include heat bonding, pressing, or using adhesives. The first binding member 3x and the second binding member 3y intersect orthogonally or substantially orthogonally at their central portions on the upper surface 6b of the top plate 6. In this embodiment, the intersecting portion 3c is also surface-bonded. The surface-bonding method is the same as described previously. The first binding member 3x extends downward (preferably vertically downward) from the two opposing short sides 6ay of the top plate 6 and is hung across the two opposing short sides 7ay of the bottom plate 7 (see Figure 4). The second binding member 3y extends downward (preferably vertically downward) from the two opposing long sides 6ax of the top plate 6 and is hung across the two opposing long sides 7ax of the bottom plate 7 (see Figure 4). As shown in Figure 4, the first binding member 3x is hung from the center of one of the short sides 7ay along the length direction and crosses the center of the other short side 7ay along the length direction. The second binding member 3y is hung from the center of one of the long sides 7ax along the length direction and crosses the center of the other long side 7ax along the length direction. The first binding member 3x and the second binding member 3y intersect orthogonally or substantially orthogonally at the central portion below the lower surface 7b of the base plate 7. In this embodiment, the intersecting portion 3d is also surface-bonded. The surface-bonding method is the same as that described previously. As shown in Figures 3 and 4, the portions of the first binding member 3x and the second binding member 3y extending in the vertical direction engage with the protruding portions 5b of the protective sheet 5, namely the top plate 6, the bottom plate 7, and the glass plate 4. Therefore, the protective sheet 5, and consequently the glass plate laminate 2, is securely fixed by these binding members 3x and 3y. Figure 5 is a perspective view showing the arrangement of parts for explaining the process of manufacturing the glass plate packaging body 1 according to this embodiment. As shown in the figure, when manufacturing the glass plate packaging body 1, firstly, the first binding member 3x and the second binding member 3y are placed crosswise or substantially crosswise on the ground or other surface of the work area. Then, a base plate 7 is placed on the intersection 3d of the binding members 3x and 3y, and glass plates 4 and protective sheets 5 are stacked on the base plate 7. At this time, one or more protective sheets are placed between the bottommost glass plate 4 and the base plate 7. Furthermore, one or more protective sheets 5 may be placed between each of the glass plates 4. Then, a top plate 6 is placed on the topmost protective sheet 5 to form the glass plate laminate 2. At this time, one or more protective sheets are placed between the topmost glass plate 4 and the top plate 6. Subsequently, the glass laminate 2 is bound together using the first binding member 3x and the second binding member 3y. In this case, if the first binding member 3x and the second binding member 3y are made of self-adhesive tape, the intersection 3d of these binding members 3x and 3y under the lower surface 7b of the base plate 7 will be surface-bonded by the weight of the glass laminate 2 even without any external force applied. Furthermore, the first binding member 3x and the second binding member 3y do not twist at any point. Figure 6 is an exploded perspective view showing the components of the box 8, a constituent element of the glass plate double packaging body according to an embodiment of the present invention, and Figure 7 is a longitudinal sectional front view showing the assembled state of the box 8. As shown in Figure 6, the box 8 includes a top cover 8a, four side wall portions 8b, and a bottom wall portion 8c. The box 8 is rectangular when viewed from above. The portions 8a, 8b, and 8c constituting the box 8 are preferably boards made of foamed resins such as polyurethane, polyethylene, polystyrene, and polypropylene, but may also include laminates of plastic corrugated cardboard, laminates of paper corrugated cardboard, or wood, etc. On the inner surfaces of two opposing sidewall portions 8b (the two sidewall portions that are relatively longer when viewed from above) 8b, a first slit recess 9 is formed along the vertical direction. In this embodiment, the first slit recess 9 is formed across the entire vertical length of each of the two sidewall portions 8b. On the inner surface (upper surface) of the bottom wall portion 8c, two second slit recesses 10 are formed corresponding to the two first slit recesses 9. Moreover, as shown in FIG. 7, these two first slit recesses 9 and second slit recesses 10 are continuous. Therefore, the space formed from the first slit recess 9 across the second slit recess 10 can be used to insert the operator's fingers or other support components. In addition, as shown in the figure, the upper cover portion 8a is embedded inside the four sidewall portions 8b. Figure 8 is a perspective view showing the state in which the glass plate packaging body 1 is housed in the box 8 without the upper cover portion 8a embedded. As shown in the figure, a first cut-out recess 9 is provided at the position of the glass plate packaging body 1 corresponding to the center of the long side 6ax of the top plate 6 (the same applies to the center of the long side 7ax of the bottom plate 7). The housing 8 can accommodate one glass plate package 1 or multiple glass plate packages 1. When multiple glass plate packages 1 are accommodated in the housing 8, the glass plate packages 1 can be arranged horizontally or stacked vertically. When the thickness of the glass plate 4 is, for example, 0.3 mm or less, it is preferable to arrange them horizontally for more effective protection of the end face of the glass plate 4. From this state, the top cover 8a is inserted into the inner side of the four side wall portions 8b, thereby obtaining a double glass plate packaging body 11 as shown in FIG. 9. The double glass plate packaging body 11 is configured such that the height of the upper end faces 8bx of the four side wall portions 8b is the same as or approximately the same as the height of the upper surface 8ax of the top cover 8a. In this case, when the height of the glass plate packaging body 1 changes, the thickness of the top cover 8a is changed accordingly, thereby making the height of the upper end faces 8bx of the four side wall portions 8b the same as or approximately the same as the height of the upper surface 8ax of the top cover 8a. In this embodiment, the four side wall portions 8b are fixed together to form a frame. In contrast, the bottom wall portion 8c may be fixed to the lower surface of the four side wall portions 8b, or it may not be fixed. When fixing the four side wall portions 8b or the bottom wall portion 8c, adhesive or double-sided tape may be used, for example. Figure 10 is an enlarged longitudinal sectional front view showing the main part of the double-layer glass plate packaging 11 cut along line AA in Figure 9 (the binding member 3 is omitted for simplicity). In the figure, when the glass plate packaging 1 is housed in the box 8, the protrusions 5b of the protective sheet 5 from the top plate 6, bottom plate 7, and opposite sides of the glass plate 4 are in contact with the inner surfaces of the two opposite sidewall portions 8b. Therefore, even if the box 8 swings or moves laterally during handling or transport, the glass plate packaging 1 is less likely to move laterally relative to the box 8. From this perspective, it is preferable that the protrusions 5b of the protective sheet 5 from the top plate 6, bottom plate 7, and opposite sides of the glass plate 4 are in contact with the inner surfaces of the four sidewall portions 8b. However, even if the glass plate packaging 1 is not in these states when it is stored in the box 8, when the box 8 swings or moves laterally, at least one of the protective plates protruding part 8b will contact the inner surface of the corresponding side wall part 8b, thereby mitigating the impact applied to the glass plate packaging 1. Figure 11 is a partial longitudinal sectional front view showing the state of the operator using their fingers to store or remove the glass plate package 1 from the box 8 when the top cover 8a of the box 8 is opened (the binding member 3 is omitted for simplicity). As shown in the figure, when the operator is removing the package, they insert their hand from the first cut recess 9 formed in the two side wall portions 8b across the second cut recess 10 formed in the bottom wall portion 8c, and place their fingers on the lower surface 7b of the bottom plate 7 of the glass plate package 1. In this state, the operator can remove the glass plate package 1 from the box 8 by lifting the bottom plate 7. Conversely, when the operator is storing the package, starting from the state where the operator lifts the glass plate package 1 by placing their fingers on the lower surface 7b of the bottom plate 7, as shown in the figure, they insert their hand from the first cut recess 9 across the second cut recess 10 and lower the glass plate package 1, placing the bottom plate 7 on the upper surface of the bottom wall portion 8c of the box 8. This allows the glass plate packaging 1 to be stored in the box 8. Furthermore, as shown in Figure 12, the double-walled glass packaging 11 is housed within other boxes 12, thereby obtaining a triple-walled glass packaging 13. Other boxes 12 may be made of plastic corrugated cardboard, paper corrugated cardboard, or wood, etc. Additionally, the thickness of the top cover 12a, four side walls 12b, and bottom wall 12c of the other boxes 12 is, for example, less than half the thickness of the top cover 8a, four side walls 8b, and bottom wall 8c of the box body 8 of the double-walled glass packaging 11. Thus, since the double-walled glass packaging 11 is housed inside other boxes 12, as described above, the bottom wall 8c of the box body 8 of the double-walled glass packaging 11 may or may not be fixed to the four side walls 8b. Similarly, the four side walls 8b of the box body 8 of the double-walled glass packaging 11 may or may not be fixed as a frame. The glass plate packaging body 1 and the double glass plate packaging body 11 (also including the triple glass plate packaging body 13) of the present invention have been described above. However, the embodiments of the present invention are not limited thereto, and various modifications can be made within the scope of the present invention without departing from the spirit of the present invention. For example, in the described embodiment, the two ends of each of the two binding members 3 in the longitudinal direction are bonded to each other on the upper surface 6b of the top plate 6. However, as shown in FIG13, adhesives or the like can be used to directly bond the two ends 3xa, 3xb, 3ya, 3yb of each of the two binding members 3 in the longitudinal direction to the upper surface 6b of the top plate 6. Furthermore, adhesive tape can also be used for bonding. In these cases, the two binding members 3 can cross under the lower surface 7b of the bottom plate 7, or, based on the formation of four binding members 3, the lower ends of each of these binding members 3 can be bonded to the lower surface 7b of the bottom plate 7 in the same manner as on the upper surface 6b of the top plate 6. In the embodiment described above, for one side 6a of the top plate 6 and the bottom plate 7, the part of the binding member 3 extending in the vertical direction is set as one, but it can also be set as two or more. Alternatively, for one opposite side 6a of the top plate 6 and the bottom plate 7, one can be set respectively, and for the other opposite side 6a, two or more can be set respectively. In the described embodiment, the binding member 3 is constituted by a flexible strip-shaped component (e.g., tape), but it is not limited to this. For example, the binding member 3 may also be a non-strip, rope-shaped component. In addition, the binding member 3 may not be elastic. In the described embodiment, the binding member 3 does not have protrusions such as knots, but it may also have such protrusions. In this case, when the protrusion is located on the upper surface 6b of the top plate 6 or below the lower surface 7b of the bottom plate 7, it is sufficient to sufficiently increase the rigidity of the top plate 6 or the bottom plate 7. In addition, when the protrusion contacts the protruding portion of the protective plate 5, it is sufficient to allow the protective plate 5 to extend significantly. In the described embodiment, the protective sheet 5 extends from all four sides of the top plate 6, bottom plate 7, and glass plate 4. However, it can also be configured so that the protective sheet 5 extends only from two opposing sides of the 6, 7, and 4, or only from two adjacent sides, or only from any three sides. In this case, it can also be configured such that there are portions where the binding member 3 only contacts the protruding portion of the protective sheet 5, and where the binding member 3 does not contact the protective sheet 5. In the embodiment, the four sidewall portions 8b of the housing 8 are rectangular when viewed from above. A first cutout recess 9 is formed on the inner surface of the sidewall portion 8b located on the long side. However, the first cutout recess 9 can also be formed on the inner surface of the sidewall portion 8b located on the short side, or on the inner surface of the front portion of the four sidewall portions 8b. In addition, in the embodiment, the second cutout recess 10 is formed along the short side direction of the bottom wall portion 8c. However, it can also be formed along the long side direction of the bottom wall portion 8c depending on the position of the first cutout recess 9 of the sidewall portion 8b, or it can be formed along both directions. In the above embodiment, the top plate 6, bottom plate 7, protective sheet 5, and glass plate 4 are rectangular, but they can also be square. Similarly, in the above embodiment, the shape of the box 8 is rectangular when viewed from above, but it can also be square. In the described embodiment, the glass plate 4 is rectangular, but it can also be circular, elliptical, or other polygonal. In this case, the protective sheet 5, top plate 6, and bottom plate 7 can be rectangular, circular, elliptical, or other polygonal, as long as the glass plate 4 does not protrude from the side when forming the glass plate laminate 2. 1: Glass plate packaging body; 2: Glass plate laminate; 3: Strapping member; 3c, 3d: Intersection; 3x: First strapping member; 3xa: One end of the first strapping member in the longitudinal direction (one side of the first strapping member in the longitudinal direction, end of the first strapping member, end of the strapping member in the longitudinal direction); 3xb: The other end of the first strapping member in the longitudinal direction (the other side of the first strapping member in the longitudinal direction, end of the first strapping member, end of the strapping member in the longitudinal direction); 3y: Second strapping member; 3ya: One end of the second strapping member in the longitudinal direction (one side of the second strapping member in the longitudinal direction, end of the second strapping member, end of the strapping member in the longitudinal direction); 3yb: The other end of the second strapping member in the longitudinal direction (the other side of the second strapping member in the longitudinal direction, end of the second strapping member, end of the strapping member in the longitudinal direction). 4: Glass plate 4a: Edge of glass plate 5: Protective sheet 5a: Edge of protective sheet 5b: Protrusion of protective sheet 6: Top plate 6a: Edge of top plate 6ax: Long side of top plate 6ay: Short side of top plate 6b: Upper surface of top plate 7: Bottom plate 7a: Edge of bottom plate 7ax: Long side of bottom plate 7ay: Short side of bottom plate 7b: Lower surface of bottom plate 8, 12: Box body 8a, 12a: Top cover 8ax: Upper surface of top cover 8b, 12b: Side wall 8bx: Upper end face of side wall 8c, 12c: Bottom wall 9: First cut recess 10: Second cut recess 11: Double packaging of glass plate 13: Triple packaging of glass plate Figure 1 is a partial cross-sectional perspective view showing the overall structure of the glass plate packaging body according to an embodiment of the present invention. Figure 2 is an exploded perspective view showing the main parts of the glass plate packaging body according to an embodiment of the present invention. Figure 3 is a perspective view exaggerating the shape of the upper part of the glass plate packaging body according to an embodiment of the present invention viewed from an obliquely upward view. Figure 4 is a perspective view exaggerating the shape of the lower part of the glass plate packaging body according to an obliquely downward view. Figure 5 is a perspective view showing the arrangement of parts for explaining a process example of manufacturing the glass plate packaging body according to an embodiment of the present invention. Figure 6 is an exploded perspective view showing the box body, which is a constituent element of the double glass plate packaging body according to an embodiment of the present invention. Figure 7 is a longitudinal cross-sectional front view showing the state in which the box body, which is a constituent element of the double glass plate packaging body according to an embodiment of the present invention, is assembled. Figure 8 is a perspective view showing the state in which the glass plate packaging body is housed in the box body, which is a constituent element of the double glass plate packaging body according to an embodiment of the present invention. Figure 9 is a perspective view showing the overall structure of the appearance of the double glass plate packaging body according to an embodiment of the present invention. Figure 10 is a partially enlarged longitudinal cross-sectional front view cut along line AA in Figure 9. Figure 11 is a partially enlarged longitudinal sectional front view for illustrating the removal and storage operations of the glass plate packaging in the double-layer glass plate packaging according to an embodiment of the present invention. Figure 12 is a perspective view showing the overall structure of the triple-layer glass plate packaging according to an embodiment of the present invention. Figure 13 is a partially sectional perspective view showing the overall structure of a modified example of the glass plate packaging according to an embodiment of the present invention. 1: Glass plate packaging 2: Glass laminate 3: Bundling components 4: Glass plate 5: Protective film 6: Top Slab 7: Base plate

Claims

1. A glass plate packaging body, characterized in that the glass plate laminate, formed by stacking glass plates and protective sheets in a flat position and respectively arranging a top plate and a bottom plate on its upper and lower parts, is bound together by a binding member along the stacking direction, wherein the glass plate, the protective sheet, the top plate, and the bottom plate are rectangular, the protective sheet extends from at least two corresponding sides of the glass plate, the top plate, and the bottom plate when viewed from above, the binding member contacts the extended portions of the protective sheet from the glass plate, the top plate, and the bottom plate, and the length of the four sides of the protective sheet is longer than the length of the corresponding four sides of the glass plate, the top plate, and the bottom plate.

2. The glass plate package as described in claim 1, wherein, The binding member is hung across at least two opposing sides of the top plate and across at least two opposing sides of the bottom plate.

3. The glass plate package as described in claim 2, wherein, The binding member is hung across at least two opposing sides of the top plate at multiple locations, and across at least two opposing sides of the bottom plate at multiple locations.

4. The glass plate package as described in claim 1, wherein, The binding components are hung across one opposite side and the other opposite side of the top plate, and across one opposite side and the other opposite side of the bottom plate, respectively.

5. The glass plate package as described in claim 4, wherein, The binding components are hung at multiple locations, spanning one opposite side and the other opposite side of the top plate, and are also hung at multiple locations, spanning one opposite side and the other opposite side of the bottom plate.

6. The glass plate package as claimed in any one of claims 1 to 5, wherein, The lengths of the four sides of the protective sheet, the top plate, and the bottom plate are longer than the lengths of the corresponding four sides of the glass plate.

7. The glass plate package as claimed in any one of claims 1 to 5, wherein, The protective sheet extends from the end face of the glass plate by more than 5 mm and less than 150 mm.

8. The glass plate package as claimed in any one of claims 1 to 5, wherein, The binding components are hung from the four sides of the top plate to the corresponding four sides of the bottom plate.

9. The glass plate package as claimed in any one of claims 1 to 5, wherein, The binding member is a flexible strip-shaped member. One end of the binding member is bonded to the other end in the longitudinal direction to form a ring, and it is wound from the top plate across the bottom plate.

10. The glass plate package as claimed in any one of claims 1 to 5, wherein, The binding component is elastic.

11. The glass plate package as claimed in any one of claims 1 to 5, wherein, The thickness of the glass plate is 0.01 mm or more and 0.3 mm or less, and the size of one side is 1000 mm or less.

12. A double-sided glass plate package, characterized in that the glass plate package as claimed in any one of claims 1 to 5 is housed in a box comprising a bottom wall, a top cover, and four side walls.

13. The double-layer glass plate packaging as described in claim 12, wherein, The upper cover is embedded inside the four side walls.

14. The double-layer glass plate packaging as described in claim 12, wherein, At least two of the four sidewall portions facing each other have a first cut recess formed on their inner surfaces along the vertical direction, and a second cut recess continuous with the first cut recess is formed on the inner surface of the bottom wall portion.

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