JP2014043264A - Glass substrate manufacturing method, glass substrate packing method, and glass substrate packed body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a glass substrate manufacturing method, a glass substrate packing method and a glass substrate packed body which are capable of easily inhibiting isolating paper from drooping in a glass substrate stacking direction.SOLUTION: A glass substrate manufacturing method includes a glass substrate packing method in which a plurality of glass substrates 10 are leaned and stacked on a pallet 20, with isolating paper 12 interposed between the substrates. The isolating paper 12 has an upper protrusion 12a. The upper protrusion 12a is a portion protruding from the upper edge of the glass substrates 10. In the glass substrate manufacturing method, pressure-sensitive adhesive tape 30 is attached to at least part of side portions of the upper protrusions 12a to connect the plural sheets of isolating paper 12.

Description

  The present invention relates to a glass substrate manufacturing method, a glass substrate packing method, and a glass substrate package.

  Glass substrates used in various products are prone to defects when they are stored and transported due to wrinkles and dirt on their surfaces. In particular, in a glass substrate in which an electric circuit is incorporated on the surface, such as a glass substrate used in a liquid crystal display, even a very small wrinkle and dirt may cause a product defect. Therefore, such a glass substrate is required to be stored and transported in a state where extremely high surface characteristics are maintained.

  Frequent wrinkles on the surface of a glass substrate often occur when the surfaces of adjacent glass substrates rub against each other in the process of laminating and storing and transporting the glass substrates. Further, the surface of the glass substrate is often contaminated by adhesion of organic substances or the like present in the atmosphere when storing and transporting the glass substrate to the surface of the glass substrate. Therefore, in order to suppress the generation of wrinkles and dirt when packaging by laminating glass substrates, conventionally, a glass substrate laminate in which glass substrates are laminated via interleaf and the surfaces of the glass substrates are separated from each other is provided. Packaging methods for glass substrates for storage and transport have been used.

  For example, Patent Document 1 (Japanese Patent Application Laid-Open No. 2001-139138) discloses a glass substrate laminate in which glass substrates and slip sheets are alternately laminated on a pallet that is a glass substrate transfer device. The glass substrate laminate is packaged in a state where the glass substrate is leaned on a pallet. In the stage of using the glass substrate, this glass substrate laminate is removed by adsorbing and removing the interleaving paper by the interleaf adsorbing means, and then the glass substrate is adsorbing and grasping by the glass substrate adsorbing means. The process is repeated.

  Further, in Patent Document 2 (Japanese Patent Application Laid-Open No. 2011-143946), regarding a glass substrate laminate in which glass substrates and slip sheets are alternately stacked, slip sheets protruding from both ends of the glass substrate are described on both sides of the glass substrate. A method of folding along the edges is disclosed. Thereby, since the rigidity of the slip sheet protruding from the upper end of the glass substrate is improved, it is suppressed that the slip sheet protruding from the upper end of the glass substrate hangs down in the stacking direction of the glass substrate.

  However, in the glass substrate laminate disclosed in Patent Document 2, it is necessary to bend the slip sheet protruding from both side ends of the glass substrate along both side ends of the glass substrate, so that the packaging work of the glass substrate becomes complicated. .

  An object of the present invention is to provide a glass substrate manufacturing method, a glass substrate packing method, and a glass substrate package that can easily suppress the slipping of the slip sheet in the glass substrate stacking direction.

  The manufacturing method of the glass substrate which concerns on this invention is equipped with the packaging method of the glass substrate which makes a paper sheet interpose among them and leans on a pallet and laminates them. The slip sheet has an upward protrusion. The upward projecting portion is a portion projecting upward from the upper end of the glass substrate. In this method of manufacturing a glass substrate, a connecting member is attached to at least a part of the side portion of the upward projecting portion, and a plurality of slip sheets are connected.

  In the method for producing a glass substrate according to the present invention, a glass substrate laminate is formed by alternately laminating glass substrates and slip sheets on a pallet. The glass substrate is stacked on a pallet. The surfaces of adjacent glass substrates are separated from each other by a slip sheet. The slip sheet has an upward projecting portion that is a portion projecting upward from the upper end of the standing glass substrate. A connecting member is attached to a side portion of the upper protruding portion of the interleaving paper, that is, a portion protruding upward from the upper end of the glass substrate when the glass substrate laminate is viewed from the side. The connecting member connects and integrates a plurality of interleaving papers arranged in the stacking direction of the glass substrates. As a result, even if the upper protruding portion of the slip sheet hangs down in the stacking direction of the glass substrate, the slip sheet is supported by another slip sheet connected by the connecting member, so that the sag of the upper protruding portion is suppressed. . That is, since a plurality of interleaving papers are integrated by the connecting member, even if a force that causes the upper protruding portion to hang down acts on the interleaving paper, the drag force of other interleaving papers connected to the interleaving paper Since it acts, the drooping of an upward protrusion part is suppressed. Therefore, in this method for manufacturing a glass substrate, it is possible to easily suppress the slip of the slip sheet in the stacking direction of the glass substrate by a simple method of attaching the connecting member to the upper protruding portion of the slip sheet.

  Moreover, it is preferable that a connection member occupies 50% or more of the side part of an upward protrusion part in the height direction of a slip sheet. The larger the proportion of the dimension of the connecting member that occupies the length of the upper protrusion, the more firmly the plurality of slip sheets are integrated by the connecting member. Therefore, even if the force that causes the upper protrusion to hang down acts on the slip sheet, the drag of the other slip sheet connected to the slip sheet acts more strongly, so the sag of the upper protrusion is more effective. Is suppressed.

  Moreover, it is preferable that a connection member is an adhesive tape. By using an adhesive tape as the connecting member, the connecting member can be easily attached to the upward projecting portion of the slip sheet.

  Moreover, it is preferable that a glass substrate is a glass substrate for liquid crystal display devices. Since the glass substrate for liquid crystal display devices has a large size, the size of the slip sheet is also large, and the upward protruding portion of the slip sheet tends to hang down. Therefore, the manufacturing method of the glass substrate which concerns on this invention is suitable for the packaging of the glass substrate for liquid crystal display devices.

  The glass substrate packing method according to the present invention is a method of stacking a plurality of glass substrates by leaning them on a pallet with interleaving paper interposed therebetween. The slip sheet has an upward protrusion. The upward projecting portion is a portion projecting upward from the upper end of the glass substrate. In this method of manufacturing a glass substrate, a connecting member is attached to at least a part of the side portion of the upward projecting portion, and a plurality of slip sheets are connected.

  The glass substrate package according to the present invention is obtained by stacking a plurality of glass substrates by leaning on a pallet with interleaving paper interposed therebetween. The slip sheet has an upward protrusion. The upward projecting portion is a portion projecting upward from the upper end of the glass substrate. In this glass substrate package, a connecting member is attached to at least a part of the side portion of the upward projecting portion, and a plurality of slip sheets are connected.

  The glass substrate manufacturing method, the glass substrate packaging method, and the glass substrate package according to the present invention can easily suppress the slipping of the slip sheet in the stacking direction of the glass substrates.

It is a perspective view of the glass substrate package which concerns on embodiment. It is a perspective view of the pallet which concerns on embodiment. It is a side view of the upper part of the glass substrate laminated body which concerns on embodiment. It is a side view of the upper part of the glass substrate laminated body which concerns on the modification A. It is a side view of the upper part of the glass substrate laminated body which concerns on the modification B. It is a side view of the upper part of the glass substrate laminated body which concerns on the modification C.

(1) Configuration of Glass Substrate Package A glass substrate manufacturing method according to the present invention and an embodiment of a glass substrate package will be described with reference to the drawings. FIG. 1 is a perspective view of the glass substrate package 1. The glass substrate package 1 includes a glass substrate laminate 14 in which a plurality of rectangular glass substrates 10 are laminated via rectangular interleaf paper 12, and a pallet 20. FIG. 2 is a perspective view of the pallet 20 in a state where the glass substrate laminate 14 is not placed. The number of glass substrates 10 and interleaf sheets 12 shown in FIG. 1 is smaller than the number of glass substrates and interleaf sheets in an actual glass substrate package. The glass substrate 10 is manufactured by cutting a glass ribbon continuously formed from molten glass by a downdraw method or the like, or by cutting the glass sheet into a predetermined size and performing end face processing and cleaning. It is the manufactured glass sheet.

(1-1) Pallet The pallet 20 includes a base 22, a bottom support 24, and a back support 26. The upper surface of the base 22 is a mounting surface 22s that is a flat horizontal surface. The bottom surface support table 24 and the back surface support table 26 are mounted on the mounting surface 22s. The upper surface of the bottom surface support base 24 is a bottom surface support surface 24 s that is inclined downward toward the back surface support base 26. The upper surface of the back support table 26 is inclined at an angle θ1 of about 90 ° with respect to the bottom support surface 24s of the bottom support table 24, and an angle of 70 ° to 85 ° with respect to the mounting surface 22s of the base 22. The back support surface 26s is inclined at θ2.

(1-2) Glass Substrate Laminate The glass substrate laminate 14 is placed on the pallet 20 with the glass substrate 10 standing on the pallet 20. The process in which the glass substrate laminate 14 is formed on the pallet 20 will be specifically described. First, a sheet of interleaving paper 12 is leaned on a pallet 20 on which nothing is placed. The main surface of the interleaving slip sheet 12 is in close contact with the back support surface 26 s of the back support base 26. Next, the single glass substrate 10 is leaned on the pallet 20. The main surface of the leaning glass substrate 10 is in close contact with the main surface of the interleaving paper 12 leaning before it. Next, the single sheet 12 is leaned on the pallet 20. The glass substrate laminate 14 is formed by repeating the above steps and alternately leaning the glass substrate 10 and the interleaf paper 12 on the pallet 20. The number of glass substrates 10 of the glass substrate laminate 14 placed on the pallet 20 is, for example, about 600 in the case of a fifth generation glass substrate having a thickness of 0.5 mm, In the case of a generation glass substrate, the number is about 500. The glass substrate laminate 14 placed on the pallet 20 is stored and transported as the glass substrate package 1 while being fixed on the pallet 20 by a belt or the like.

  The slip sheet 12 is a sheet for protecting the glass substrate 10 by preventing the glass substrates 10 from directly contacting each other. The interleaf paper 12 is pulp paper, recycled paper, or the like. The interleaf paper 12 suppresses wrinkles on the surface of the glass substrate 10 that are generated when the surfaces of the adjacent glass substrates 10 rub against each other. In addition, the slip sheet 12 suppresses contamination on the surface of the glass substrate, which occurs when organic substances or the like present in the atmosphere when storing and transporting the glass substrate 10 adhere to the surface of the glass substrate 10. In order to prevent the resin contained in the slip sheet 12 from adhering to the surface of the glass substrate 10, the surface of the slip sheet 12 has a certain degree of roughness. In addition, it is preferable that the thickness of the slip sheet 12 is 0.05 mm to 0.2 mm.

  The interleaf paper 12 has a size larger than that of the glass substrate 10. As shown in FIG. 1, the interleaf paper 12 has a portion protruding from the upper end and the side end of the glass substrate 10. Hereinafter, a part of the slip sheet 12 that protrudes from the upper end of the glass substrate 10 and protrudes upward is referred to as an upward protrusion 12a. The protrusion of the upper protrusion 12a, that is, the length from the upper end of the glass substrate 10 to the upper end of the upper protrusion 12a is 60 mm to 80 mm. As will be described later, an adhesive tape 30 is attached to at least a part of the side portion of the upper protruding portion 12a. A portion of the interleaf paper 12 that protrudes from the pair of side edges of the glass substrate 10 and protrudes sideways is referred to as a side protrusion 12b. The protrusion of the side protrusion 12b, that is, the length from the side end of the glass substrate 10 to the side end of the side protrusion 12b is, for example, 60 mm to 100 mm. Hereinafter, the side protrusion 12b does not include a portion above the upper end of the glass substrate 10.

  After the glass substrate laminate 14 placed on the pallet 20 is stored and transported as the glass substrate package 1, the glass substrate 10 is taken out while the interleaf 12 is removed in a liquid crystal display production line or the like. At this time, the glass substrate 10 and the interleaving paper 12 are alternately extracted from the glass substrate laminate 14 on the pallet 20 in an order reverse to the order of lamination. For example, the upper protruding portion 12a of the slip sheet 12 is sucked at a plurality of points by a bar-shaped suction device in which a plurality of suction nozzles are arranged along the width direction of the glass substrate 10. Thereby, the upper protrusion 12a is gripped by the suction device, and the slip sheet 12 is extracted from the glass substrate laminate 14.

(1-3) Adhesive Tape The adhesive tape 30 is a connecting member used for connecting and integrating a plurality of interleaf sheets 12. The adhesive tape 30 is a gum tape, a masking tape, or the like. FIG. 3 is a side view of the upper part of the glass substrate laminate 14 placed on the pallet 20 as viewed along the main surface of the glass substrate 10. The number of the glass substrates 10 and the slip sheets 12 shown in FIG. 3 is smaller than the number of the glass substrates and the slip sheets of the actual glass substrate package. The adhesive force of the adhesive tape 30 is, for example, 1.0 N / cm to 1.6 N / cm.

  The adhesive tape 30 is affixed to the side portion of the upper protruding portion 12 a of the interleaf paper 12. The side part of the upper protrusion part 12a is a part which protrudes upwards from the upper end of the glass substrate 12, when the glass substrate laminated body 14 is seen from a side, as FIG. 3 shows. The adhesive tape 30 is affixed to the side portions of the upper protruding portions 12a of all the slip sheets 12 along the stacking direction of the glass substrates 12, that is, the stacking direction of the slip sheets 12. Thereby, all the interleaf paper 12 of the glass substrate laminated body 14 is mutually connected and integrated by the adhesive tape 30. In addition, the adhesive tape 30 is affixed on the side part of the horizontal direction both sides of the upward protrusion part 12a of the interleaving paper 12. FIG.

  3, the ratio of the adhesive tape 30 to the upper protruding portion 12a in the height direction of the interleaf paper 12, that is, the width W of the adhesive tape 30 and the length of the upper protruding portion 12a of the interleaf paper 12. The ratio W / H with the height H is 50% or more. This ratio W / H is more preferably 75% or more, and further preferably 90% or more.

  In the production line of the liquid crystal display or the like, the adhesive tape 30 is peeled off and removed from the upper protruding portion 12a of the interleaf 12 before the step of removing the interleaf 12 from the glass substrate laminate 14 of the glass substrate package 1. A process is performed.

(2) Features (2-1)
When the glass substrate package 1 is stored for a long period of time, a phenomenon occurs in which the upward projecting portion 12a of the slip sheet 12 gradually hangs down in the stacking direction of the glass substrate 10. The main cause of the inclination of the upper protruding portion 12a is moisture absorption and drying of the interleaf paper 12. For example, when the moisture contained in the atmosphere of the storage location of the glass substrate package 1 is adsorbed to the interleaving paper 12 and released from the interleaving paper 12, the upper protruding portion 12a is inclined. At this time, compared to the case where the fibers of the slip sheet 12 are in the vertical direction, the upper protruding portion 12a is more easily inclined in the stacking direction of the glass substrate 10 when the fibers of the slip sheet 12 are in the horizontal direction.

  As shown in FIG. 3, the slip sheet 12 that is located farthest from the back support surface 26 s of the pallet 20 is referred to as the outermost slip sheet 112. Most of the main surface 112 s of the outermost interleaving paper 112 that is not in contact with the glass substrate 10 is exposed to the atmosphere of the storage location of the glass substrate package 1, so that moisture in the atmosphere is adsorbed and released. Cheap. On the other hand, the main surface of the outermost interleaving paper 112 that is in contact with the glass substrate 10 is less likely to adsorb and release moisture than the other main surface 112s. The interleaf paper 12 has a tendency to expand when moisture is adsorbed and to contract when moisture is released. Therefore, when the storage place of the glass substrate package 1 is dry, the outermost interleaving paper 112 tends to lose moisture due to evaporation on the main surface 112 s that is not in contact with the glass substrate 10 and shrinks more easily. In this case, the upper protruding portion 12a of the outermost interleaf sheet 112 is inclined in a direction away from the back support surface 26s.

  Further, when the temperature of the back support surface 26s of the pallet 20 rises due to the atmosphere of the storage location of the glass substrate package 1, the upper protruding portion 12a of the interleaf paper 12 may be inclined in a direction approaching the back support surface 26s. is there.

  And the outermost space of the upper protrusion 12a of the adjacent interleaf 12 is expanded by expanding the space between the upper protrusion 12a of the inclined outermost interleaf 112 and the upper protrusion 12a of the adjacent interleaf 12. The main surface on the side of the interleaf paper 112 is also likely to absorb and release moisture. Therefore, when the storage location of the glass substrate package 1 is dry, the upper protrusions 12a of the slip sheet 12 are inclined in a chained manner in order from the outermost slip sheet 112 toward the back support surface 26s.

  And when the inclination angle of the upper protrusion part 12a of the slip sheet 12 with respect to the main surface of the glass substrate 10 is large, in the process of taking out the glass substrate 10 from the glass substrate laminate 14 and using it, the upper protrusion part 12a of the slip sheet 12 is used. May not be properly gripped by the suction device, and the slip sheet 12 may not be efficiently removed. When the inclination angle of the upper projecting portion 12a with respect to the main surface of the glass substrate 10 is less than 20 °, it can be dealt with by adjusting the angle of the adsorption device, but when the inclination angle is 20 ° or more, adsorption is possible. The apparatus cannot reliably hold the slip sheet 12.

  In the embodiment, all the slip sheets 12 of the glass substrate laminate 14 are connected to each other and integrated by the adhesive tape 30. Thus, even if the upper protruding portion 12a of the slip sheet 12 hangs down in the stacking direction of the glass substrate 10, the slip sheet 12 is supported by the other slip sheet 12 connected by the adhesive tape 30, so that the upward protruding portion The drooping of 12a is suppressed. That is, since the plurality of interleaving papers 12 are integrated by the adhesive tape 30, even if a force that causes the upper protruding portion 12a to hang down acts on the interleaving paper 12, the other interleaving paper 12 is connected to the interleaving paper 12. Since the drag force by the slip sheet 12 acts, the sag of the upper protrusion 12a is suppressed. Therefore, in this glass substrate package 1, it is easy for the interleaf paper 12 to hang down in the stacking direction of the glass substrate 10 by a simple method of sticking the adhesive tape 30 to the side of the upper protruding portion 12 a of the interleaf paper 12. Can be suppressed.

  Further, when the slip sheet 12 is removed from the glass substrate laminate 14 by suction, the slip sheet 12 can be appropriately sucked, so that the slip sheet 12 can be more reliably removed from the glass substrate stack 14. . Therefore, the operating rate of the production line of the liquid crystal display after the glass substrate laminate 14 is stored and transported as the glass substrate package 1 can be improved.

(2-2)
In the embodiment, the ratio W / H between the width W of the adhesive tape 30 attached to the upper protruding portion 12a of the slip sheet 12 and the length H of the upper protruding portion 12a of the slip sheet 12 is 50% or more.
The larger the ratio of the width of the adhesive tape 30 to the length of the upper protruding portion 12a, the larger the contact area between the upper protruding portion 12a and the adhesive tape 30, so that the interleaf 12 of the glass substrate laminate 14 is more firmly Integrated. Therefore, the greater the ratio W / H, the stronger the drag force of the other interleaf paper 12 connected to the interleaf paper 12, even if a force that causes the upper protrusion 12 a to hang down acts on the interleaf paper 12. Works. Therefore, the larger the ratio W / H, the more effectively the sagging of the upper protrusion 12 is suppressed more effectively.

(2-3)
The glass substrate laminate 14 of the embodiment is suitable for a glass substrate for a liquid crystal display device. This is because the glass substrate for a liquid crystal display device has a large size, so that the size of the slip sheet 12 is also large, and the upper protruding portion 12a of the slip sheet 12 is likely to hang down.

(2-4)
In the embodiment, before the interleaf 12 is removed from the glass substrate laminate 14, the adhesive tape 30 may be removed from the upper protruding portion 12a, and the adhesive tape 30 is attached to the upper protruding portion 12a. In the state, the slip sheet 12 may be removed from the glass substrate laminate 14. In the latter case, the adhesive force of the adhesive tape 30 is preferably as small as possible. For example, an adhesive tape 30 having an adhesive force of 1.0 N / cm to 1.4 N / cm is suitable.

(3) Modification (3-1) Modification A
In the embodiment, the adhesive tape 30 is attached only to the upper protruding portion 12 a of the interleaf paper 12. However, the adhesive tape 30 may further be attached to the side protrusions 12b on both sides of the interleaf paper 12 in the horizontal direction. FIG. 4 is a side view of the upper part of the glass substrate laminate 14 similar to FIG. In FIG. 4, the adhesive tape 30 is affixed to the side part of the side protrusion part 12b of the interleaf 12. By adhering the adhesive tape 30 to the side protrusion 12b, a resistance against deformation of the upper protrusion 12a acts on the side of the upper protrusion 12a connected to the side of the side protrusion 12b. The upper protrusion 12a is less likely to hang down. In this case, the upper protrusion 12a is less likely to hang down as the adhesive tape 30 attached to the side protrusion 12b is attached to a height position close to the upper end of the glass substrate 10. In addition, the some adhesive tape 30 may be affixed on the side protrusion part 12b of the slip sheet 12. FIG.

(3-2) Modification B
In the embodiment, one adhesive tape 30 is attached to the upper protruding portion 12 a of the interleaf paper 12. However, a plurality of adhesive tapes 30 may be attached to the upper protruding portion 12a of the interleaf paper 12. FIG. 5 is a side view of the upper part of the glass substrate laminate 14 similar to FIG. In FIG. 5, two adhesive tapes 30 are affixed to the side of the upper protruding portion 12 a of the slip sheet 12. In this case, the ratio W ′ / H between the total width W ′ of all the adhesive tapes 30 and the length H of the upper protruding portion 12a of the interleaf paper 12 is 50% or more.

  Note that, as described in Modification A, one or more adhesive tapes 30 may be attached to the side protrusions 12 b of the interleaf paper 12.

(3-3) Modification C
In the embodiment, the adhesive tape 30 is affixed to the upper protruding portions 12 a of all the interleaf sheets 12. However, the adhesive tape 30 may be attached only to the upper protruding portions 12 a of some interleaving papers 12 along the stacking direction of the glass substrates 10. FIG. 6 is a side view of the upper part of the glass substrate laminate 14, similar to FIG. In FIG. 6, the adhesive tape 30 is attached only to a part of the interleaf paper 12 along the stacking direction of the glass substrate 10. Here, as described above, the outermost interleaf paper 112 that is located farthest from the back support surface 26 s of the pallet 20 is the interleaf paper 12 that is most easily inclined. Therefore, as shown in FIG. 6, the adhesive tape 30 is preferably attached to a plurality of interleaf sheets 12 so as to be attached to at least the outermost interleaf sheet 112.

  Further, as described in the modification example B, even when the adhesive tape 30 is attached to the side protrusion 12 b of the interleaf paper 12, the adhesive tape 30 is partially bonded along the stacking direction of the glass substrate 10. It may be attached only to the paper 12.

  Further, when a plurality of adhesive tapes 30 are attached to only some of the interleaf papers 12 along the direction of lamination of the glass substrate 10, the plurality of adhesive tapes 30 may be attached to different height positions, Moreover, you may affix on the same height position.

(3-4) Modification D
In the embodiment and the modifications A to C, the adhesive tape 30 is attached to the side portions on both sides in the horizontal direction of the upper protruding portion 12a and the side protruding portion 12b of the interleaf paper 12. However, the adhesive tape 30 may be affixed only to the side portion on either one of the upper protruding portion 12a and the side protruding portion 12b of the interleaf paper 12.

(3-5) Modification E
In the embodiment, the upper protruding portion 12a of the interleaf paper 12 is adsorbed and gripped at a plurality of points by a bar-shaped adsorbing device including a plurality of suction nozzles along the width direction of the glass substrate 10, and is joined from the glass substrate laminate 14. The paper 12 is removed. However, the slip sheet 12 may be removed by a method other than adsorption. Even in this case, the slip sheet 12 can be more reliably removed from the glass substrate laminate 14 due to the effect of suppressing the sag of the upper protruding portion 12 a of the slip sheet 12.

DESCRIPTION OF SYMBOLS 1 Glass substrate package 10 Glass substrate 12 Interleaf 12a Upper protrusion part 20 Palette 30 Adhesive tape (connection member)

JP 2001-139138 A JP 2011-143946 A

Claims (6)

A glass substrate manufacturing method comprising a glass substrate packaging method in which a plurality of glass substrates are interposed between them, and sandwiched between and laminated on a pallet,
The slip sheet has an upper protruding portion that protrudes upward from the upper end of the glass substrate,
A connecting member is attached to at least a part of the side portion of the upper protruding portion, and the plurality of slip sheets are connected.
A method for producing a glass substrate. The connecting member occupies 50% or more of the side portion of the upward projecting portion in the height direction of the slip sheet.
The manufacturing method of the glass substrate of Claim 1. The connecting member is an adhesive tape.
The manufacturing method of the glass substrate of Claim 1 or 2. The glass substrate is a glass substrate for a liquid crystal display device,
The manufacturing method of the glass substrate of any one of Claims 1-3. A glass substrate packaging method in which a plurality of glass substrates are interposed between them and sandwiched between them and stacked on a pallet,
The slip sheet has an upper protruding portion that protrudes upward from the upper end of the glass substrate,
A connecting member is attached to at least a part of the side portion of the upper protruding portion, and the plurality of slip sheets are connected.
Packaging method for glass substrates. A glass substrate packing body in which a plurality of glass substrates are interposed between them and leaned on a pallet and laminated,
The slip sheet has an upper protruding portion that protrudes upward from the upper end of the glass substrate,
A connecting member is attached to at least a part of the side portion of the upper protruding portion, and the plurality of slip sheets are connected.
Glass substrate package.

Images