CN102858654A - Glass plate package body and method for packaging glass plate stack - Google Patents

Glass plate package body and method for packaging glass plate stack Download PDF

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Publication number
CN102858654A
CN102858654A CN2011800213572A CN201180021357A CN102858654A CN 102858654 A CN102858654 A CN 102858654A CN 2011800213572 A CN2011800213572 A CN 2011800213572A CN 201180021357 A CN201180021357 A CN 201180021357A CN 102858654 A CN102858654 A CN 102858654A
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China
Prior art keywords
glass plate
thickness
glass
plate laminate
glass board
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CN2011800213572A
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Chinese (zh)
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CN102858654B (en
Inventor
布施裕儿
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AGC Inc
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Asahi Glass Co Ltd
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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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • 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
    • B65D61/00—External frames or supports adapted to be assembled around, or applied to, articles
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/02—Arrangements of flexible binders
    • B65D71/04—Arrangements of flexible binders with protecting or supporting elements arranged between binder and articles or materials, e.g. for preventing chafing of binder

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
  • Buffer Packaging (AREA)

Abstract

Disclosed is a glass plate package body wherein a glass plate stack formed by stacking a plurality of glass plates with a sheet between the plates is packed by a package container, and wherein the glass plate has a thickness of 0.7 mm or less, the glass plates are vertically stacked to be tilted relative to the vertical direction to form the glass plate stack, and the deviation in the thickness of the glass plate stack is 10% or less.

Description

The packing method of glass plate packing body and glass plate laminate
Technical field
The present invention relates to the FPD(Flat PanelDisplay as thin as a wafer to liquid crystal display glass substrate etc.: flat-panel monitor) carry out stacked with glass substrate and the glass plate packing body packed and the packing method of glass plate laminate.
Background technology
With glass substrate in keeping or in the carrying, product defects can with flaw or stained, easily be caused in the surface with the FPD of glass substrate etc. for liquid crystal display glass substrate and plasma scope.Especially as Liquid Crystal Display with in the alkali-free glass substrate that uses, when using as being incorporated with the glass substrate of circuit on its surface, even there is small flaw in its surface or stainedly broken string can occurs also or pattern forms bad.Thus, this glass substrate requires high character of surface.
Therefore, as the flaw, stained method in the keeping that prevents this glass substrate, in the carrying, in patent documentation 1, disclose a kind of sandwiched paper between stacked glass substrate and glass substrate and make the what is called surperficial separated from one another of adjacent glass substrate clamp the glass plate laminate of holding paper.
In addition, holding paper also possesses in the keeping that prevents glass substrate or the function as padded coaming of the defective of breaking of the glass substrate in the carrying.The holding paper that prevents this defective of breaking is disclosed in patent documentation 2,3.
Disclosing a kind of thickness in patent documentation 2 is that 30 ~ 400 μ m and density are 0.70g/cm 3Following holding paper.And situation, density that the thickness that records holding paper in patent documentation 1 is preferably 60 ~ 150 μ m are preferably 0.5g/cm 3Following situation.In addition, in patent documentation 2 illustration the glass board of size 680mm * 880mm * 0.7mm as the glass board of applicable this holding paper.That is, recording at thickness is the glass plate laminate that the glass board of 0.7mm has been suitable for this holding paper.
On the other hand, disclosing a kind of thickness in patent documentation 3 is that 40 ~ 400 μ m and density are 0.5 ~ 1g/cm 3Following holding paper.And the thickness that records holding paper in patent documentation 3 is the situation of 50 ~ 250 μ m more preferably, the situation of the scope of 60 ~ 95 μ m more preferably, and density is preferably 0.6 ~ 0.9g/cm 3Situation.
Technical literature formerly
Patent documentation
Patent documentation 1: the JP 2008-143542 of Japan communique
Patent documentation 2: the JP 2006-44674 of Japan communique
Patent documentation 3: the JP 2008-296938 of Japan communique
Summary of the invention
It is the following glass substrate of 0.7mm that nearest liquid crystal display glass substrate has been made its thickness, but at sandwiched patent documentation 2,3 holding paper and when packing the glass substrate of the size more than 1800mm * 1500mm, about in the keeping of glass substrate or the preventing of the defective of breaking in the carrying, existence can't obtain the problem of patent documentation 2,3 such effects.
Namely, patent documentation 2,3 holding paper are as size less than the glass substrate of 1800mm * 1500mm with holding paper and effectively, be of a size of more than 1800mm * 1500mm but become, especially thickness is that the following glass substrate of 0.3mm is when using holding paper, only thickness and density as the holding paper of the important document of padded coaming are stipulated, can't be obtained the sufficient effect for the defective of breaking.
The present invention makes in light of this situation, and its purpose is to provide a kind of can reduce the glass plate packing body of the defective of breaking that thickness is the following glass board of 0.7mm and the packing method of glass plate laminate.
The present invention is in order to realize described purpose, a kind of glass plate packing body is provided, utilize packing container that the glass plate laminate that many glass board are laminated across sheet material is packed and formed, wherein, the thickness of described glass board is below the 0.7mm, described glass plate laminate is the vertical stacked glass plate laminate that described glass board is tilted to be laminated with respect to vertical, and the deviation of the thickness of described glass plate laminate is below 10%.
The present invention is in order to realize described purpose, a kind of glass plate packing body is provided, utilize packing container that the glass plate laminate that many glass board are laminated across sheet material is packed and formed, wherein, the thickness of described glass board is below the 0.7mm, described glass plate laminate is the glass plate laminate of horizontal stacking that described glass board horizontal stacking is formed, and the deviation of the thickness of described glass plate laminate is below 3%.
According to the present invention, be glass board sheet material below the 0.7mm as thickness, not only to stipulating as thickness and the density of sheet material of buffering important document, and when the vertical stacked stratum of glass board is folded, the deviation that is defined as the thickness of glass plate laminate was the sheet material below 10%.
The deviation of described thickness is value as described below: at the thickness of several Site Determination glass plate laminates of the circumference of glass plate laminate, obtain its maxim, deduct ideal thickness from this maxim, the thickness that subtraction is obtained is divided by described ideal thickness, the value of obtaining thus.Ideal thickness is with maker's nominal of the thickness of the glass board resulting value of stacked number and maker's nominal resulting value addition of the stacked number with sheet material on duty of the thickness of sheet material and thickness of obtaining with glass board on duty.The situation that the deviation of this thickness is large refers to that the sheet material of glass plate laminate has produced fold or adjacent glass board being spaced apart each other.Especially in the situation of vertically stacked glass plate packing body, be the mode that glass board is leaned to, so the following section of glass board is with respect to following section's existence tendency separately of adjacent glass board.Thus, in the situation of vertically stacked glass plate packing body, compare with the glass plate packing body of horizontal stacking, the deviation of the thickness of glass plate laminate must increase.
Thickness be below the 0.7mm glass board especially thickness be in the glass board below the 0.3mm, confirmed by experiment deviation when described thickness when large in keeping or in the carrying glass board produce significantly the defective of breaking, and found out by experiment by the deviation with the thickness of glass plate laminate and be defined as below 10%, can significantly reduce the described defective of breaking.Need to prove, measuring point is the circumference of the incidental glass plate laminate of defective of breaking.That is, at the central portion of glass plate laminate, even the deviation of thickness surpasses 10%, owing to the central portion of glass plate laminate is pressed by pressing member in carrying, therefore also no problem.
On the other hand, when packing glass board into to packing container, the horizontal skew of glass board is few, but the operation of will packing into is halfway interrupted owing to certain situation, when again packing into, can produce the situation that transversely is offset several mm owing to the accuracy of positioning of packing container.
In this case, in the front and back that operation is interrupted, with respect to many glass board and the relative position skew is therefore few on the degree of impact that breaks.But when the deviation of the thickness of glass plate laminate was large, 1 or 2 s' glass board was sometimes along lateral excursion.This is in the action of packing into of the glass board that robot carries out glass board to be caused to the action that the base plate of glass plate packing body falls, and the skew of horizontal glass board wishes that also management for below the 10mm, is preferably below the 4mm, more preferably below the 1mm.
The skew of horizontal glass board determines the benchmark on the right, the left side of glass plate packing body etc., can use scale etc. and measures simply.Be certain works, in the time can't measuring, need only and use mirror to measure.
In addition, according to the present invention, preferably, the thickness of described sheet material is 50 ~ 100 μ m, and density is 0.80g/cm 3Below.
Sheet material plays a role as padded coaming, so its thickness is preferably 50 ~ 100 μ m.That is, when thickness during less than 50 μ m, since thin, therefore possibly can't play a role as padded coaming.And when thickness surpassed 100 μ m, because blocked up, so sheet material easily produced fold, is difficult to the deviation of aforesaid thickness is suppressed to below 10%.Need to prove, the thickness of sheet material is 70 ~ 80 μ m more preferably.
In addition, sheet material is owing to playing a role as padded coaming, so its density is preferably 0.80g/cm 3Below.When density surpasses 0.80g/cm 3The time, because sheet material is really up to the mark, can't be that the padded coaming of the glass board below the 0.3mm plays a role as thickness sometimes.
In addition, according to the present invention, do not help in the deadweight of glass board in the situation of vertical stacked glass plate laminate of minimizing of deviation of thickness of glass plate laminate, the deviation of thickness is defined as below 10%, help in the deadweight of glass board in the situation of glass plate laminate of horizontal stacking of minimizing of deviation of thickness of glass plate laminate, the deviation of thickness is defined as below 3%.
In addition, the present invention is effective especially for being of a size of the above glass board of 1800mm * 1500mm.
In addition, the present invention is that glass board below the 0.3mm is effective especially for thickness.
In addition, glass board of the present invention is preferably glass substrate for plane display device.
Need to prove, as sheet material, except holding paper, can enumerate resin film, resin sheet, foamed resin sheet.Perhaps also can be with the stacked and integrated sheet material of at least 2 sheet materials in these sheet materials.And glass board is included in the glass board that its surface is pasted with film in advance.
In addition, the invention provides a kind of packing method of glass plate laminate, utilize packing container to many glass board are packed across the glass plate laminate that sheet material is laminated, wherein, the thickness of described glass board is below the 0.7mm, and the thickness of described sheet material is that 50 ~ 100 μ m and density are 0.80g/cm 3Below, take the deviation of the thickness of described glass plate laminate as the stacked described glass board of the mode below 10%.
The invention effect
According to the packing method of glass plate packing body of the present invention and glass plate laminate, can reduce thickness is the defective of breaking of the following glass board of 0.7mm.
Description of drawings
Fig. 1 is the block diagram of the vertical stacked glass plate packing body of embodiments of the present invention.
Fig. 2 is expression vertical stacked integrally-built block diagram with packing container shown in Figure 1.
Fig. 3 is the lateral plan of glass plate laminate being packed the vertical stacked glass plate packing body that forms.
Fig. 4 be make adjacent glass board following part each other from and the summary side elevation of the glass plate packing body that loads.
Fig. 5 is the lateral plan of glass plate packing body of the horizontal stacking of embodiments of the present invention.
Fig. 6 is the vertically deviation of the thickness of the glass plate laminate of stacked glass plate packing body and the figure of the relation between the bad generation rate of expression.
Fig. 7 is the deviation of thickness of glass plate laminate of glass plate packing body of expression horizontal stacking and the figure of the relation between the bad generation rate.
Fig. 8 is the vertically instruction diagram at the thickness measurement position of the glass plate laminate of stacked glass plate packing body of expression.
Fig. 9 is the instruction diagram at thickness measurement position of glass plate laminate of the glass plate packing body of expression horizontal stacking.
The instruction diagram of angle when Figure 10 is the loading of expression glass board.
The specific embodiment
Below, with reference to accompanying drawing, describe the preferred implementation of the packing method of glass plate packing body of the present invention and glass plate laminate in detail.
Fig. 1 represents that many glass board G of rectangular shape are across the holding paper 10,10 of rectangular shape ... and indulge to tilt and stacked vertical stacked glass plate laminate 12 with putting.And, the state after these glass plate laminate 12 expressions are packed by the packing container 14 of embodiment.
Described glass board G uses in glass substrate at FPD that Liquid Crystal Display is used etc., and its thickness is below the 0.7mm.Need to prove, in embodiment, illustration holding paper 10 as the sheet material that is folded between glass board G and the glass board G, but be not defined in this.For example, as long as satisfy the deviation important document of the thickness of buffering important document described later (resiliency) and glass plate laminate, also can replace holding paper 10 and where-used tree membrane of lipoprotein, resin sheet, and foamed resin sheet.And, also can be with the stacked and integrated sheet material of at least 2 sheet materials in these sheet materials.And glass board G is included in the glass board G that its surface is pasted with film in advance.
Fig. 2 is the integrally-built block diagram of expression packing container 14, the expression horizontal pressing member 15A in bottom, 15B and the horizontal pressing member 17A in top, 17B.Fig. 3 is the lateral plan that packing has the glass plate packing body of glass plate laminate 12 in packing container 14.And, Fig. 3 represent that the sidepiece of glass plate laminate 12 is pressed by the horizontal pressing member 15B in bottom and the horizontal pressing member 17B in top and in packing container 14 packing the state of glass plate laminate 12 is arranged.That is, the manner of packing of glass plate laminate 12 as shown in Figure 3, the taking-up mode of glass board G and holding paper 10 is as shown in Figure 1.That is, when the taking-up of glass board G and holding paper 10, removable cell mesh and the horizontal pressing member 17A in top, the 17B of the horizontal pressing member 15A in bottom shown in Figure 2,15B taken off from packing container 14.
The such packing container 14 of Fig. 2 possesses the base 18 that is formed with smooth lift-launch face 16 at upper surface.And packing container 14 possesses with respect to lift-launch face 16 with about 18 ° angle (θ 1) be obliquely installed and load the smooth base plate 20 of the lower edge of glass board.In addition, packing container 14 possesses with respect to base plate 20 with about 90 ° of (θ 2) angle tilt and erect the tilt table 22 that arranges.Front surface at this tilt table 22 is fixed with smooth resinous backboard 24 by lining cement.This backboard 24 bear glass board G face and with the vertical packing containers 14 that are equipped on of glass plate laminate 12 with putting.Need to prove, the number that is equipped on the glass board G of packing container 14 and holding paper 10 is more than 300 in the situation of the glass substrate in the 6th generation for example, is more than 250 in the situation of the glass substrate in the 7th generation.
In addition, packing container 14 has: make base plate 20 have approximately 18 ° angle (θ with respect to lift-launch face 16 1) and base plate on the lift-launch face of being bearing in 16 bears member 26; Setting is arranged at lift-launch face 16 and the frame shape that support at the back side of tilt table 22 is born member 28 as shown in Figure 1.
Base 18 is by consisting of many steel of length in length and breadth along short transverse welding, should lift-launch face 16 by ground finish behind welding assembly be processed into the flatness of regulation.And, possess the pawl ( peristome 30,30 of not shown) Cha order for fork truck at the face of the fore-and-aft direction of base 18.
Holding paper 10 is the paper of the size larger than glass board G for cover glass plate G, and the part of holding paper 10 is exposed from the limit section of glass board G.The elongated upper edge portion 10c that the top section from glass board G in the part of exposing of this holding paper 10 exposes is controlled by the absorption layer absorption of not shown bale breaker, or is controlled by the chuck device with a pair of pawl, and holding paper 10 is taken out from packing container 14.Need to prove, the raw material of holding paper 10 is preferably former slurry.Also can use in addition the raw material that contains cellulose etc.About the buffering important document of this holding paper 10 and the deviation important document of thickness, in the back narration.
The horizontal pressing member 15A in bottom, 15B comprise and form tabular main body 32, handle 34, and pressing plate 36 etc.
Main body 32 has the shape of metal-made sheet bending that makes the shape of regulation by punch forming, is fixed on the lift-launch face 16 of base 18 in dismounting mode freely by not shown bolt.Central portion at handle 34 is fixed with threaded bar 38, and this threaded bar 38 screws togather along horizontal direction and main body 32.And, the leading section butt of pressing plate 36 and threaded bar 38.Pressing plate 36 is via a pair of guide rod 40,40 and move freely along horizontal direction and to engage with main body 32.And handle 34, pressing plate 36, threaded bar 38, guide rod 40 are by modularity, with respect to main body 32 dismounting.Carried out member after the described modularity becomes to main body 32 and falls into and the structure that engages with respect to the horizontal pressing member 15A in bottom, 15B.Therefore, when the handle 34 that will fall into to main body 32 rotates to the locking direction, pressed and pressing plate 36 moves towards the direction of the lower side that is pressed into glass plate laminate 12 by the threaded bar 38 of handle 34.By this action, utilize each pressing plate 36,36 of the horizontal pressing member 15A in a pair of bottom shown in Figure 2,15B to come the lower side of clamping glass plate duplexer 12, thereby glass plate laminate 12 is fixed in packing container 14.
As shown in Figure 3, upload the dash plate 42 of the rectangular shape of the thickness that is equipped with regulation on the surface of the glass plate laminate 12 that is loaded into packing container 14, frame 44 before its surface coverage has.The bottom of front frame 44 engages with base 18, take the bottom as fascinate surperficial butt with dash plate 42 of fulcrum.
The horizontal pressing member 17B in top bears that member 28 engages and under the state of coverlet side bearing, with the side butt of glass plate laminate 12 at its base end part and frame shape.And the sidepiece on the top of former frame 44 is provided with hook 46, hangs with at this hook 46 and is with 48.And this configures with 48 modes with the horizontal pressing member 17B in crosscut top, and the end with 48 links with tilt table 22 via ratchet-type winding plant 50.Therefore, driving pawl formula winding plant 50 and roll and be with 48 thus, is fixed in tilt table 22 by the tension force with 48 with front frame 44.Need to prove, about the horizontal pressing member 17A in top, also be the structure identical with the horizontal pressing member 17B in top.
Yet the holding paper 10 of embodiment is in order to satisfy the cushion characteristic of glass board G, and its thickness gauge is decided to be 50 ~ 100 μ m, and density is defined as 0.80g/cm 3Below.And, be that the deviation of the thickness of glass plate laminate 12 becomes the holding paper 10 below 10%.
In embodiment, be inserting paper for glass plate 10 below the 0.7mm as thickness, not only to stipulating as thickness and the density of buffering important document, and the deviation of the thickness of glass plate laminate 12 is defined as below 10%.
The situation that the deviation of described thickness is large refers to that the holding paper 10 of glass plate laminate 12 produces fold or adjacent glass board G interval each other increases.Especially in the situation of vertically stacked glass plate packing body, be the mode that glass board G is leaned to as shown in Figure 4, therefore can produce the following section of glass board G with respect to the phenomenon of the following section devices spaced apart of adjacent glass board G.This phenomenon is because following former thereby generation, that is: come in contact with glass board G for fear of base plate shown in Figure 2 20, need under the state that makes glass board G with respect to several mm of base plate 20 separation glass board G be packed into to base plate 20, the result makes glass board G fall more than the 10mm to base plate 20.Occur in order to suppress this phenomenon, need to strictly implement the raising, the teaching of robot of accuracy of positioning of high management, the glass board G of the size management of packing container 14, especially base plate 20, and the glass board G when reducing glass board G packed into to base plate 20 and the interval of base plate 20, being spaced apart less than 10mm of glass board G and base plate 20, be preferably below the 5mm, more preferably below the 3mm.Need to prove, the management of the size of packing container 14 preferably is made as scale error ± 3mm in.
For the deviation of the thickness that reduces glass plate laminate 12, also can use following method.Glass board G is being leaned to obliquely in vertical stacked with after the packing container 14, the mode that becomes approximate horizontal with glass board G tilts the direction of packing container 14 toward back plate 24, after the deviation of its thickness reduces owing to the deadweight of glass plate laminate 12, make packing container 14 return original position.Thus, under the impact of gravity, can reduce glass plate laminate thickness deviation itself.
Especially in thickness is glass board below the 0.7mm, the situation that when the deviation of the thickness of described glass plate laminate is large, confirm by experiment in keeping, glass board G produces the defective of breaking significantly in the carrying.And, confirmed by experiment, be defined as below 10% the situation that the described defective of breaking significantly reduces by the deviation with the thickness of glass plate laminate 12.
On the other hand, holding paper 10 is in order to satisfy the function of padded coaming, and its thickness gauge is decided to be 50 ~ 100 μ m.That is, at thickness during less than 50 μ m, because holding paper 10 crosses thin and can't play a role as padded coaming, and when thickness surpassed 100 μ m, because holding paper 10 is blocked up, folds easily occured in holding paper 10.The situation that holding paper 10 produces folds refers to the situation that the deviation of the thickness of aforesaid glass plate laminate increases, and thus, is difficult to the deviation of the thickness of glass plate laminate is suppressed to below 10%.Need to prove, the thickness of holding paper 10 is 70 ~ 80 μ m more preferably.
In addition, holding paper 10 produces the reason of folds and is not only the thickness of holding paper 10, and needs the humidity of the environment that management holding paper 10 exposes.Need to prove, the humidity of the environment that holding paper 10 exposes preferably is made as below 40%.That is, when holding paper 10 is exposed to humidity high lower time of environment, holding paper 10 absorbs moisture and holding paper 10 can produce folds.Thus, produce folds for fear of holding paper 10, be subject to the impact of humidity for fear of the container dimensions owing to dispatching from the factory holding paper 10 from holding paper maker, importantly holding paper is carried out overpacking or utilizes ethene, aluminium foil that holding paper is packed.And, need management to admit the warehouse, holding paper 10 is folded in workshop between glass board G and the glass board G, reaches the humidity of glass plate laminate 12 self from the holding paper of holding paper maker.
As an example of moisture management, bear peristome 30 that member 26 possesses to the base plate of the packing container 14 of Fig. 1 and insert configuration and clog in the desiccant 51 of net.With the glass plate packing body after glass plate laminate 12 packing when dispatching from the factory by the ethene sheet-material package, but absorbed by desiccant 51 by the moisture of the confined space of ethene sheet-material package.Thus, because must be lower with the moisture management of glass plate laminate 12 self, can prevent that therefore holding paper 10 from producing folds.And, utilize ethene that the roller shape holding paper from holding paper maker is sealed, the situation that configures therein desiccant also is good plan.
At this, the deviation of the thickness of glass plate laminate 12 is values as described below: at the thickness of several Site Determination glass plate laminates 12 of the circumference of glass plate laminate 12, obtain its maxim, deduct ideal thickness from this maxim, the thickness that subtraction is obtained is divided by described ideal thickness, the value of obtaining thus.Ideal thickness is that value addition as described below is obtained thickness, multiply by the resulting value of stacked number of glass board G in maker's nominal value of the thickness of glass board G that is:; Multiply by the resulting value of stacked number of sheet material with the maker's nominal value at the thickness of holding paper 10.
In addition, the thickness of the glass plate laminate 12 of Fig. 1 and glass plate packing body shown in Figure 3 can be measured by beam trammel or metal scale, in the situation of the glass plate laminate of horizontal stacking, can utilize height gage to measure.In the situation of the packing container 54 that the glass plate laminate 52 of the horizontal stacking that Fig. 5 forms the glass board horizontal stacking is like that packed, the incidental position of the defective of breaking of glass board G is and horizontal pressing member 60,60 contact part.Need to prove, the label 56 of Fig. 5 is upper pan portions, via this upper pan portion 56 with the main body 58 of glass plate laminate 52 horizontal stacking in packing container 54.
In addition, holding paper 10 needs to satisfy the function as padded coaming, so its density is defined as 0.80g/cm 3Below.That is, this be because, when density surpasses 0.80g/cm 3The time, holding paper 10 becomes really up to the mark, and therefore the padded coaming as the glass board G below the thickness 0.3mm becomes inoperative.
Need to prove, about the deviation of the thickness of glass plate laminate, in the situation of the vertical stacked glass plate laminate 12 of Fig. 1 ~ shown in Figure 3, be defined as below 10%.And, in the situation of the packing container 54 that the glass plate laminate 52 of the horizontal stacking that Fig. 5 forms the glass board horizontal stacking is like that packed, the deviation of the thickness of this glass plate laminate 52 can be defined as below 3%.That is, in the situation of vertically stacked glass plate laminate 12, the deadweight of glass board G can not help the minimizing of the deviation of thickness, so the deviation of thickness is for peaked below 10% as what can allow.On the other hand, help in the deadweight of glass board G the deviation of thickness to be defined as below 3% in the situation of glass plate laminate 52 of horizontal stacking of minimizing of deviation of thickness.
(experimental example)
Fig. 6 represents that the thickness of the glass plate laminate 12 of vertically stacked glass plate packing body is glass board (the trade name AN100 of 0.7mm and 0.3mm, the figure of bad (defective of breaking) generation rate Asahi Glass Co., Ltd's system), Fig. 7 are that the thickness of glass plate laminate 12 of the glass plate packing body of expression horizontal stacking is the figure of bad generation rate of the glass board of 0.7mm and 0.3mm.The longitudinal axis of these figures represents the bad generation rate of glass board, and transverse axis represents the deviation of the thickness of glass plate laminate.And, these Preparatory work of experiments 200 glass plate packing bodies that the glass board of the size of 1800mm * 1500mm is stacked via holding paper implement.Wherein, in carrying, the number of units that has produced the glass plate packing body of the defective of breaking is defined as bad generation rate.That is, bad generation rate 5% refers to that the glass board more than 1 of 10 packaging body in 200 the packaging body has been observed the situation of the defective of breaking.
In addition, vertically the thickness measurement position of the glass plate laminate 12 of stacked glass plate packing body is upper right bight a, bight, bottom right b, these 4 positions of upper left bight c, bight, lower-left d that the long and two-short dash line of Fig. 8 represents.
At this, an example of the calculated example of the deviation of the thickness of glass plate laminate is described.
The thickness of glass board G: 0.7mm(maker nominal value)
The thickness of holding paper 10: 0.07mm(maker nominal value)
The number of glass board G: 300
The number of holding paper 10: 300
The ideal thickness of glass plate laminate=0.7 * 300+0.07 * 300=231mm
The thickness of upper right bight a: 237.5mm
The thickness of bight, bottom right b: 242.5mm
The thickness of upper left bight c: 236.5mm
The thickness of bight, lower-left d: 242.5mm
The maxim of the thickness of glass plate laminate: 242.5mm
The deviation of the thickness of glass plate laminate (%)=(242.5-231) * 100/231=5(%)
Need to prove, the thickness measurement position of the glass plate laminate 12 of the glass plate packing body of horizontal stacking is 4 position a ~ d in four bights shown in the long and two-short dash line of Fig. 9 and 8 the position e ~ l that represented by long and two-short dash line that pressed by horizontal pressing member 60 shown in Figure 5.
In vertically stacked glass plate packing body, shown in Fig. 6 and following table 1, thickness is that the glass board of the glass board of 0.7mm and 0.3mm all is that deviation at the thickness of glass plate laminate is the defective of not breaking before 10%, but when surpassing 10%, the defective of breaking has occured.And as can be known, along with the deviation increase of thickness, the bad generation rate of the glass board that the bad generation rate of the glass board that 0.3mm is thick is thicker than 0.7mm is high.
[table 1]
The vertical situation of stacked glass plate packing body
Figure BDA00002313665900131
On the other hand, in the glass plate packing body of horizontal stacking, shown in Fig. 7 and following table 2, thickness is that the glass board of the glass board of 0.7mm and 0.3mm all is that deviation at the thickness of glass plate laminate is the defective of not breaking before 3%, but when surpassing 3%, the defective of breaking has occured.And as can be known, along with the deviation increase of thickness, the bad generation rate of the glass board that the bad generation rate of the glass board that 0.3mm is thick is thicker than 0.7mm is high.
[table 2]
The situation of the glass plate packing body of horizontal stacking
Figure BDA00002313665900141
Need to prove, the holding paper 10 of embodiment for the resinous principle that prevents from holding paper 10 is contained to the surface transfer of glass board G and produce paper surface detail, burn or stained, and the smoothness that is made as paper is below 20 seconds, is preferably the rough surface below 18 seconds.Thus, reduce with the area of contact on the surface of glass board G, therefore can prevent the transfer printing of resinous principle.
Need to prove, glass board G is being laminated in shown in Figure 2 vertical stacked during with packing container 14, as shown in figure 10, the angle θ of the surface of glass board G and lift-launch face 16 is preferably more than 45 ° and less than 90 °.That is, in Fig. 2, work as θ 1=18 °, θ 2In the time of=90 °, the angle θ of Figure 10=72 °, but be not defined as θ=72 °, angle θ is so long as get final product more than 45 ° and less than 90 ° scope.
In addition, when glass board G being laminated in horizontal stacking shown in Figure 5 with packing container 54, as shown in figure 10, the angle θ of the surface of glass board G and upper pan portion 56 is preferably more than 0 ° and below 10 °.
In detail and with reference to specific embodiment the present invention has been described, but it is self-evident for those skilled in the art not depart from the scope of the present invention the situation that can apply various corrections or change with spirit.
The Japanese patent application 2010-103851 that the application filed an application based on April 28th, 2010, and with its content as with reference to being contained in this.
Label declaration
G ... glass board, 10 ... holding paper, 12 ... glass plate laminate, 14 ... packing container, 15A, 15B ... the horizontal pressing member in bottom, 16 ... lift-launch face, 17A, 17B ... the horizontal pressing member in top, 18 ... base, 20 ... base plate, 22 ... tilt table, 24 ... backboard, 26 ... base plate bears member, 28 ... the frame shape bears member, and 30 ... peristome, 32 ... main body, 34 ... handle, 36 ... pressing plate, 38 ... threaded bar, 40 ... guide rod, 42 ... dash plate, 44 ... front frame, 46 ... hook, 48 ... band, 50 ... the ratchet-type winding plant, 51 ... desiccant, 52 ... glass plate laminate, 54 ... packing container, 56 ... upper pan portion, 58 ... main body, 60 ... horizontal pressing member

Claims (7)

1. a glass plate packing body utilizes packing container that the glass plate laminate that many glass board are laminated across sheet material is packed and formed, wherein,
The thickness of described glass board is below the 0.7mm, and described glass plate laminate is the vertical stacked glass plate laminate that described glass board is tilted to be laminated with respect to vertical, and the deviation of the thickness of described glass plate laminate is below 10%.
2. a glass plate packing body utilizes packing container that the glass plate laminate that many glass board are laminated across sheet material is packed and formed, wherein,
The thickness of described glass board is below the 0.7mm, and described glass plate laminate is the glass plate laminate of horizontal stacking that described glass board horizontal stacking is formed, and the deviation of the thickness of described glass plate laminate is below 3%.
3. glass plate packing body according to claim 1 and 2, wherein,
The thickness of described sheet material is 50 ~ 100 μ m, and density is 0.80g/cm 3Below.
4. each described glass plate packing body according to claim 1 ~ 3, wherein,
Described glass board is of a size of more than 1800mm * 1500mm.
5. each described glass plate packing body according to claim 1 ~ 4, wherein,
The thickness of described glass board is below the 0.3mm.
6. each described glass plate packing body according to claim 1 ~ 5, wherein,
Described glass board is glass substrate for plane display device.
7. the packing method of a glass plate laminate utilizes packing container to many glass board are packed across the glass plate laminate that sheet material is laminated, wherein,
The thickness of described glass board is below the 0.7mm, and the thickness of described sheet material is that 50 ~ 100 μ m and density are 0.80g/cm 3Below, take the deviation of the thickness of described glass plate laminate as the stacked described glass board of the mode below 10%.
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