CN1475416A - Foaming box for base plate transporting - Google Patents
Foaming box for base plate transporting Download PDFInfo
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- CN1475416A CN1475416A CNA031476570A CN03147657A CN1475416A CN 1475416 A CN1475416 A CN 1475416A CN A031476570 A CNA031476570 A CN A031476570A CN 03147657 A CN03147657 A CN 03147657A CN 1475416 A CN1475416 A CN 1475416A
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- Prior art keywords
- foam box
- groove
- glass substrate
- support
- substrate
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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
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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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/107—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
- B65D81/113—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material of a shape specially adapted to accommodate contents
Abstract
A foam box for transferring substrates. The foam box includes a body 1, a supporting member 3, a cover 2, and fasteners 4a, 4b. The body 1 is made of polyolefin, and includes grooves 10A for supporting the substrates at its opposite inner walls. The supporting member 3 includes upper supporting grooves 10B for protecting the portion, protruding from the body 1, of the glass substrates 100. The cover 2 is made of polyolefin foam material. The fasteners 4a, 4b are disposed on the supporting members 3 and the cover 2. By such a structure, the portion, protruding from the body, of the glass substrates can be protected. Also, after the cover is assembled, the glass substrates are accurately disposed in the grooves of the body. In addition, the glass substrates can be automatically removed by an unpacker.
Description
Technical field
The present invention relates to be used to take in and carry a plurality of glass substrates (glass film plates, liquid crystal display show that with glass substrate, plasma body and function glass substrate, fluorescent display tube, heat head are with glass substrate, color filter etc.) or use the foam box for transferring substrate of the production board etc. of these glass substrates manufacturings.
Background technology
(utilizing the used for glass basal plate conveyance case and the problem thereof of injection moulding system)
In order to carry glassworks, color filter originating firm, plasma to show the glass substrate between body originating firm and the equipment manufacturing etc. and to use the glass board (comprising production board) of this glass substrate, and using by with ABS resin, Vinyl chloride resin the used for glass basal plate conveyance case that is injected into body or forms by its assembly set that is injected into body as the various resins of representative.
When the glass substrate after carry forming TFT (thin film transistor) or the production board of liquid crystal cell etc. are equipped with the glass substrate of circuit, use by resin injection shaped object that contains electric conductive polymer, antistatic material etc. or the used for glass basal plate conveyance case that uses the assembly set of this resin injection shaped object to constitute.
These used for glass basal plate conveyance casees are made of case body and lid that the end is arranged usually, and are formed with a plurality of grooves on 1 pair of side plate in opposite directions of case body, make glass substrate with vertical posture and do not carry out parallel contiguously maintenance mutually.Usually take in about 10～30 in the used for glass basal plate conveyance case or its above a plurality of glass substrates.
The above-described used for glass basal plate conveyance case in the past that is made of resin injection shaped object or its assembly set can be carried glass substrate etc. under sealing state.But the weight that only is case itself for example just has 5～6kg, so there is the problem of operating difficulties when moving with stacked and conveying.In addition, because of this used for glass basal plate conveyance case does not have resiliency, so when being impacted or vibrate, almost do not absorb the ability of impacting.There is the problem that is accommodated in the easy damaged of glass substrate in this used for glass basal plate conveyance case in its result.
And because the thermal conduction rating height (about 0.26Kcal/mhr ℃) of this used for glass basal plate conveyance case that is formed by the resin injection shaped object, adiathermancy is poor, so the glass substrate temperature of taking in uprises or be easy to generate dewfall easily on glass substrate.Its result has on glass substrate as " stain " of water droplet vestige or the circuit reliability that might damage glass substrate such as destroyed.
Exist following shortcoming promptly in addition, the expense of the injection moulding mould that the body and the lid of used for glass basal plate conveyance case combined raise and in each used for glass basal plate conveyance case employed amount of resin for example become 5～6kg, so burden is big etc. on the resin cost.
(foam box for transferring substrate of resin expanded system)
In order to overcome by being injected into the problems referred to above that substrate that body forms exists in carrying with case, the applicant is developing the foam box for transferring substrate of disclosed resin expanded system in following (A), (B) communique.(A) spy opens flat 7-132986 communique
Open in the flat 7-132986 communique this spy and to have proposed a kind of foam box for transferring substrate, the body that wherein is chest at least is that 3～30 times foamed resin constitutes by the foaming magnification factor, and is formed with the groove that supporting substrate is used on 1 pair of body inner face in opposite directions.(B) spy opens flat 7-257681 communique
Open in the flat 7-257681 communique this spy and to have proposed a kind of foam box for transferring substrate, wherein the cabinet interior that constitutes at the foaming body that by the foaming magnification factor is 3～30 times is provided with and has the band plate-like that supporting substrate uses or the interpolation parts of case shape groove.
During the foam box for transferring substrate that on making above-mentioned 2 existing technical literatures, provides, when glass substrate being accommodated in the foam box for transferring substrate body, if it is outstanding above the upper end of the peristome of foam box for transferring substrate body to manufacture glass substrate, the operation that then will use the hand taking-up and put into glass substrate becomes easy.
Glass substrate is being accommodated under the state of foam box for transferring substrate body interior, cover when the inner face side of end face is provided with the case shape lid of groove from the glass substrate top, because of between glass substrate and groove, there being some spaces, so should be taken into account when covering lid with given number and vertically inserting the top of all glass substrates of proper alignment and the groove of lid is not just in time suitable situation.If forcibly be pressed into lid under this inappropriate state, the top that then might have a glass substrate is not by the bottom of the groove of lid and the part of being pushed up is nipped (releasing slots) or 2 glass substrates enter situation in the same groove (part at the end).
But; discussion according to the inventor etc. is found; accident as above-mentioned can be eliminated promptly by the following method; embed the support component that constitutes by the fender that below horizontal plate, is provided with groove above the glass substrate that before covering lid, bloats from the edge or, cover lid then and its support component is wrapped in inside by the diaphragm plate support component that 2 fenders of the word of falling L of the trough of belt that comes constitute that hangs down from one side of horizontal plate.
If adopt above measure, then when carrying out from foam box for transferring substrate, taking out the operation of glass substrate, need carry out at first taking away lid from the foam box for transferring substrate body, above glass substrate, take away 2 operations of support component then.Therefore, when using machine automatically to carry out from foam box for transferring substrate, taking out the operation of glass substrate, need the control machine so that it can realize above-mentioned 2 operations.
In addition, as another problem, when in chest, inserting glass substrate or taking out glass substrate, owing to the friction of glass substrate and support slot produces dust.Therefore, for the generation that suppresses this dust, use the foaming magnification factor for the hardness that improves foam box body and foaming cover be 3～30 times foaming body.
But, because of this used for glass basal plate conveyance chest by repeated use, so the deterioration of the support slot that particularly frequently contacts with glass substrate part is very serious, so only the generation that suppresses dust by the hardness that improves foaming body is limited.This class problem not only exists in glass substrate, carries chest also to have same problem being used for carrying having with the substrate of the substrate of the same characteristic of glass substrate.
Summary of the invention
In order to overcome above-described problem; one of the object of the invention is to provide a kind of foam box for transferring substrate; this foaming chest is except having owing to the desired characteristics of using the polyolefins foaming body to bring, goes back the outshot that stretches out from the chest body of cover glass substrate and do not produce the disengaging of groove and can use machine automatically to carry out taking out from foam box the operation of glass substrate when vertically being inserted with the case body cap upper cover body of glass substrate.
It is a kind of that two of the object of the invention is to provide, and has the used for glass basal plate conveyance chest of the structure that can further suppress to produce dust.
Foam box for transferring substrate of the present invention is the foam box for transferring substrate that is used for taking in inside glass substrate, has: have the case body that the base plate supports that is used for the support glass substrate is used groove on inwall in opposite directions; Be provided with near the support component of the upper support groove the top that is used to support above-mentioned glass substrate; Above-mentioned support component is installed under the state of upper end of above-mentioned glass substrate, to comprise the mode of described support component, the box-like lid that combines with the peristome side of above-mentioned chest upper part of body; And, between above-mentioned support component and above-mentioned cover body face, be provided with the join domain that is used to connect above-mentioned support component and above-mentioned lid.
According to above-mentioned formation, by taking in the case body after the glass board the support component mounting in the upper end of glass substrate side, each bar of correspondence is arranged on the upper support groove on the support component, can embed glass substrate exactly.Thus, compare, can prevent from 1 groove, to embed a plurality of glass substrates with the situation that the upper support groove directly is set on lid in the past.
In addition, by between support component and cover body face, being provided for connecting the join domain of above-mentioned support component and above-mentioned lid, cover the chest body by lid under the state of the top of glass substrate mounting support component, support component and lid become coupled condition.Then, when taking out glass substrate, as long as because of taking away lid, support component is also removed simultaneously, so the operability can be improved the taking-up glass board time.
Another foam box for transferring substrate of the present invention is, be used for taking in the foam box for transferring substrate of glass substrate in inside, it is characterized in that having: upper opening is also taken in aforesaid substrate and have the foam box body of the side supports groove that is used to support aforesaid substrate on inwall in opposite directions; With the foaming cover of closing this foam box upper part of body opening; And, be that the surperficial protected film of above-mentioned side supports groove covers at least.
Like this, by the structure that the surface of adopting the side supports groove covers with protective film, substrate can directly not contact with foaming body, so even under the situation of repeated use, can not produced dust by the deterioration of foaming body yet.Its result can prolong permission service life of the foam box for transferring substrate that the reason owing to dust causes significantly, can reduce the over-the-road expense of foam box for transferring substrate.
In addition, in the aforesaid substrate foam box for transferring, as its desirable form, above-mentioned chest body also has the bottom support groove that is used to support aforesaid substrate in its bottom, and is that the surperficial protected film of above-mentioned bottom support groove covers at least.In addition, also possess the upper support member of upper support groove, and be that the surperficial protected film of above-mentioned upper support groove covers at least with the upper end that is used to support aforesaid substrate.
Like this; by adopting the structure that all surface that is used for the support slot of supporting substrate is covered with protective film; the permission service life of the foam box for transferring substrate that the reason owing to dust causes can be prolonged more significantly, the over-the-road expense of foam box for transferring substrate can be reduced.
In addition, even more ideal is that said protection film is the ultra-high molecular weight polyethylene film.Because of described ultra-high molecular weight polyethylene film also has the characteristic of excellent in wear resistance in the polyethylene kind film, so can further prolong the permission service life of foam box for transferring substrate.
The present invention is described in detail below in conjunction with accompanying drawing, thereby to the described object of the invention described above, parts, form and advantage more clearly understanding will be arranged.
Description of drawings
Fig. 1 is based on the overall perspective view of the foam box for transferring substrate of embodiments of the present invention 1.
Fig. 2 is based on the whole longitudinal sectional view of the foam box for transferring substrate of another embodiment of the present invention 1.
Fig. 3 is based on the overall perspective view of the foam box for transferring substrate of another embodiment of the invention 1.
Fig. 4 is the section 1 amplification stereogram that be arranged on join domain support component and lid between of expression based on embodiment of the present invention 1.
Fig. 5 is the part 2 amplification stereogram that be arranged on join domain support component and lid between of expression based on embodiment of the present invention 1.
Fig. 6 is the 3rd part amplification stereogram that be arranged on join domain support component and lid between of expression based on embodiment of the present invention 1.
Fig. 7 is the overall perspective view of expression based on the used for glass basal plate conveyance foam box structure of embodiments of the present invention 2.
Fig. 8 is the cutaway view of the VII-VII line arrow of corresponding diagram 7.
Fig. 9 is the cutaway view of expression based on the side supports groove structure of the used for glass basal plate conveyance foam box of embodiment of the present invention 2.
Figure 10 (a)～(c) is the cutaway view of expression based on the Fabrication procedure of the side supports groove of the used for glass basal plate conveyance foam box of embodiment of the present invention 2.
In above-mentioned accompanying drawing, 1-case body, 1a-interpolation parts; the 2-lid, 2a-inner face, 3-support component; the 3a-horizontal plate, 3b-diaphragm plate, 4; 4,4a, 4b-face conjunction; 10a-base plate supports groove, 10b-upper support groove, 100-glass substrate; the 201-glass substrate, 210-foam box body, 211-inwall; 212-side supports groove, 212a-groove, 212b-protective film (ultra-high molecular weight polyethylene film); 213-diapire, 214-bottom support groove, the 220-cover that foams; 221-inner face groove, 230-upper support member, 231-upper support groove; 241; 242-face conjunction, 220-used for glass basal plate conveyance foam box.
The specific embodiment
Below, with reference to the foam box for transferring substrate of description of drawings based on the embodiments of the present invention.(embodiment 1) (structure of foam box for transferring substrate)
The structure of the foam box for transferring substrate of the explanation present embodiment that sees figures.1.and.2.This foam box for transferring substrate is to be made of case body 1, support component 3, case shape lid 2 and male and fomale(M﹠F) fastener 4,4.(case body 1)
The foaming magnification factor of polyolefins foaming body is 3～30 times, it is desirable to 4～25 times, and better is 5～20 times, it is desirable to 7～18 times scope especially.When the foaming magnification factor was too small, the protectiveness of glass substrate (resiliency) etc. were abundant inadequately, and on the contrary, when the foaming magnification factor was excessive, undercapacity and elasticity were excessive.Consider intensity, the anti-balance that adds between principal characteristic, the consistency and elasticity, the thickness of case body (1) is about 15～100mm, and it is desirable to especially be set at roughly is 20～80mm.
It is desirable to especially, make the polyolefins foaming body by the bead foaming.The bead foaming is meant, will contain the polyolefins bead of foaming agent or its foaming body and be filled in and be heated to given method of temperature in the mould.Can use volatile foaming agent, chemical decomposition type foaming agent etc. as foaming agent, also can get up to use the blowing agent combination more than 2 kinds.Because the bead foaming is the low pressure foaming, so can use mould cheaply such as aluminium type as mould.
It is desirable to, the surface of this polyolefins foaming body forms the epidermal structure finer and close than inside.At this moment the density that it is desirable to from the surface of epidermal structure to 1mm depths part is more than 1.5 times of internal density, it is desirable to especially more than 2 times.For example, when foaming and molding,, then can just make the surface that contacts with mold inside form fine and close epidermal structure if carry out the back heating.Just make the surface become fine and close epidermal structure, will help preventing to produce dust and improving intensity.
On the inwall in opposite directions of case body 1, directly be formed for the base plate supports groove 10A of support glass substrate.Can the formation of base plate supports groove 10A and the shaping of case body 1 together be carried out by mould.
Prepare to be formed with the interpolation parts 1a (with reference to Fig. 2) of base plate supports groove 10A then, can adopt interpolation parts 1a is inserted into method in the inwall in opposite directions of case body 1.The shape of interpolation parts 1a can be the tabular body of 2 separation or the tabular body of コ font or case etc.As the example of interpolation parts 1a, represented following (a) and (b), (c).Wherein, below the structure of (a) of expression is the most desirable.
(a) foam molding of tabular, the コ font that forms by foaming body (magnification factor that particularly foams is 3～30 times a foaming body) or case shape etc.It is desirable to, this foam molding is polypropylene type foaming body or polyethylene kind foaming body for foaming body, particularly the polyolefins foaming body identical with case body (1).Can adopt pearl polymerization method, extrusion foaming method etc. as the foaming and molding method.
The foam molding of tabular, the コ font that (b) the resin sheet press molding is obtained or case shape etc.Press molding is meant resin sheet is placed in the mould, and vacuumizes under heating condition and be configured as the method for given shape.As resin, but can use the various resins of press molding.
(c) tabular, the コ font that the resin melt-shaping is obtained or case shape etc. are melt into body.Can adopt extruding formation method or injection molding method as the melt-shaping method.The resin that is used for melt-shaping can use the various resins of melting shaping.
(d) with tabular body machine ups (cutting) such as resin boards and the machine up product of tabular, コ font that obtains or case shape.
As shown in Figure 2, under above all situations, when internal part 1a is the occasion of the tabular body of 2 separation, on the inner face side at least one opposite in opposite directions of case body 1, inserts interpolation parts 1a, 1a are set.When case body 1 was rectangle when overlooking, an opposite in opposite directions can be an opposite of short brink, also can be an opposite of long side.
According to circumstances, can on an opposite of opposite of short brink and long side, be provided with tabular interpolation parts 1a, the 1a of groove simultaneously.In addition, if on the inner face side on the opposite in opposite directions of case body 1, form the fixedly raised line of usefulness, and on the rear side of interpolation parts 1a, 1a, form and the chimeric bar groove of above-mentioned raised line, then can carry out interpolation parts 1a, 1a Assembly ﹠Disassembly on case body 1 more sleekly.
When interpolation parts 1a is コ font or case shape, can directly be embedded into interpolation parts 1a in the case body 1.
The base plate supports groove 10A that is set directly at the base plate supports groove 10A in the case body 1 or be arranged among the interpolation parts 1a is set at, makes its degree of depth and width and under the state that has inserted glass substrate 100, also have some spaces with the seamed edge that can insert glass substrate 100.The groove number of base plate supports groove 10A can at random be set, but usually is to make to have 10～30 or more on each face.For the shape at the top of groove structure, less in order to make with contacting of glass substrate 100, it is desirable to have radius or tapering.
During as purpose, is that the volume intrinsic resistance rate of case inner lateral surfaces is 10 with the production board of taking in the glass substrate that forms behind the TFT (thin film transistor) or liquid crystal cell at least among case body 1 or the interpolation parts 1a
3～10
12Ω cm it is desirable to 10 especially
4～10
11The scope of Ω cm.In order to have such volume intrinsic resistance rate, can adopt for case body 1 or interpolation parts 1a (perhaps comprising lid 2 described later or support component 3), as the material resin of making usefulness, use just to have the method for the resin of electric conductivity originally; Make the method for the antistatic behaviour material (comprising electric conductive polymer or inhibiter) that contains several %～tens of % in the material resin; Conductive membrane is arranged in the mould is shaped simultaneously with this conductive membrane incorporate method on the surface of shaped object.
(support component 3)
As shown in Figure 1, support component 3 is 1 outstanding from the case body in order to protect, vertically be inserted in the part of the glass substrate 100 between the base plate supports groove 10A in opposite directions of above-mentioned case body 1, and it plays and prevents to rock, the effect of the danger when preventing to operate.
As shown in Figure 2, the structure of this support component 3 is, only be to constitute or constitute by the diaphragm plate 3b letter stencil of falling L that comes that hangs down from one side of horizontal plate 3a as shown in Figure 1 by horizontal plate 3a, and below this horizontal plate 3a the horizontal plate 3a of side or the letter stencil of falling L below in the inner face side of side and diaphragm plate 3b, side is provided with the upper support groove 10B that the support glass substrate is used below horizontal plate 3a at least.When using the horizontal plate 3a of the letter stencil of falling L shown in Figure 1, make these 2 plates upper left side and the upper right side of cover glass substrate 100 respectively.According to circumstances, also can make about the incorporate コ font of the letter stencil of falling L (revolving the shape that turn 90 degrees to anticlockwise direction).
The material of support component 3 and above-mentioned interpolation parts 1a are same, can use foaming body, press molding body, are melt into body (it is desirable to be made of and resin, fluorine-type resin, elastic body that abrasion test is arranged soft as High molecular weight polyethylene etc. etc.).Machine up product etc. can be carried out or make to the formation of upper support groove 10B simultaneously with shaping.
Wherein, particularly suitable is that the foaming magnification factor is that the thickness of (particularly about 5～60 times) and horizontal plate 3a is the foaming body of the polyolefins of the polyethylene kind foaming body of (particularly about 15～80mm) about 10～100mm or polypropylene expanded body etc. about 3～70 times.In addition, if compare polyethylene kind foaming body and polypropylene type foaming body, consider that from the angle of resiliency the polyethylene kind foaming body is even more ideal as support component 3.
(lid 2)
With reference to Fig. 1, lid 2 has box shape.Installing under the state of support component 3 from the outstanding part of case body 1 of glass substrate 100 in vertically being inserted into above-mentioned case body 1 to comprise the mode of this support component 3, is combined in lid 2 on the peristome side on top of above-mentioned case body 1.
(face fastener 4a, 4b)
In the present embodiment, on the inner face side 2a of the end face of the upper face side of the horizontal plate 3a of above-mentioned support component 3 and above-mentioned lid 2, male and fomale(M﹠F) fastener 4a, 4b are set accordingly.It is freely that recessed or protruding face fastener 4a, 4b are set on which face on earth, recessed and protruding face fastener 4a, 4b can be set on one side, and with it protruding and recessed face fastener 4a, 4b be set accordingly on another side.
When case body 1 is taken away lid 2, just passable as long as face fastener 4a, 4b make support component 3 be taken away with lid 2.Therefore, as long as on the horizontal plate 3a of support component 3 and on the inner face 2a of the end face of above-mentioned lid 2, just can as 1～several small pieces settings.
As on the horizontal plate 3a of support component 3 and the method for scutellate fastener 4a, 4b is set on the inner face 2a of the end face of above-mentioned lid 2, can adopt arbitrary method, for example can adopt with the bonding method of lining cement; Use the method for two sides splicing tape bonding (bonding); Under the situation that lid 2 and support component 3 constitute by the polypropylene type foaming body, face fastener 4a, 4b are installed in after the small pieces of making label-like on the polypropylene sheet method that the molten lining cement of reusable heat is bonding with the part around its small pieces etc. with the method for making etc.
(packing)
When (for example output) foam box for transferring substrate is carried in a distant place, can pack the foam box for transferring substrate integral body of the present embodiment of taking in glass substrate 100 or whole case is twined with the packing that polyolefin film or the ironed film of aluminium lamination etc. has a moisture resistance with adhesive tape.Also can put into the hygroscopic agent of silica gel etc. during packing in the inside of this foam box for transferring substrate.
(effect)
Use the substrate of present embodiment to carry when use case, utilize the substrate support groove 10A that is arranged on the case body 1 vertically to insert after the glass substrate 100, the outshot of protecting this glass substrate 100 to give prominence to support component 3 from case body 1.Then, with the mode that comprises this support component 3 on the peristome side on the top of case body 1 in conjunction with lid 2.The turnover of glass substrate 100 can be to carry out under the state of vertical posture at case body 1, also can be to carry out under the state of horizontal posture.Carrying or taking care of is to carry out under the state of vertical posture at casing 1 normally.
When in substrate is carried the usefulness case, taking out glass substrate 100, if open lid 2, then owing on the horizontal plate 3a of support component 3, be provided with male and fomale(M﹠F) conjunction 4a, 4b accordingly on inner face 2a one side of the end face of a side and lid 2, so load-carrying element 3 is also picked up with lid 2.Its result is because of exposing the protrusion of glass substrate 100, so can easily take out glass substrate 100 from case body 1.
Be connected support component 3 on the lid 2 with hand dismounting by male and fomale(M﹠F) conjunction 4a, 4b, and use it in next packaging process.
In addition, carrying the major part with case because of the substrate of present embodiment is to be made of the polyolefins foaming body, so can have following action effect.
(1) owing to have excellent in cushioning properties,, also can prevent the damage of glass substrate 100 effectively so be subjected to shock and vibration etc. with case even substrate is carried.
(2) the intensity height, to tearing or the friction also have strong resistivity, can not produce dust and available water etc. and wash.
(3) support glass substrate 100 reliably.
(4) because of having excellent adiathermancy (for example under the occasion of the polyolefins foaming body of 15 times of foaming; thermal conduction rating is roughly 0.036～0.038Kcal/mhr ℃); the glass substrate that can be contained (comprising production board) 100 does not become high temperature or the phenomenon of dewfall takes place on glass substrate 100, and does not have the reliability that damaged substrates such as water droplet vestige or circuit be destroyed take place yet.
(5) the resin use amount of each case significantly reduces, thus consider from the angle of resin consumption, favourable on the manufacturing expense.
(6) under low pressure carry out the shaping of foaming body owing to cheap moulds such as can using aluminum die, so favourable from the angle of die cost.
(7) using is that surperficial volume intrinsic resistance rate is 10 at least
3～10
12During the case of Ω cm, can prevent static electrification in the turnover of glass substrate 100 or course of conveying effectively, even simultaneously static electrification but because of volume intrinsic resistance rate within above-mentioned scope, so can make fall time is to keep certain hour in 0.5～1 second, thereby decay slowly takes place in suitable scope, can not cause the obstacle of circuit.
Exemplify embodiment below, illustrate in greater detail the substrate conveying case of above-mentioned embodiment.
With reference to Fig. 1 and 2, express the foaming and molding of case body 1 of the foam box for transferring substrate of this embodiment 1 below.At first, after the polypropylene particles of preparation foaming foaming property, place and air inclusion is replaced as air.Then be filled in it in mould of aluminum and 4kg/cm is gone in an air-blowing
2Aqueous vapor carry out foaming and molding.Then, heat, obtained having the case body 1 at the end at 60 ℃.
Utilize mould on the inner face side on an opposite in opposite directions of case body 1, longitudinally form the base plate supports groove 10A that the support glass substrate is used.This foaming body substantially has independently bubble, and all foaming magnification factors of foaming body are 12 times, and wherein the foaming magnification factor from surfaces externally and internally to the 1mm depths is 4～5 times, and has formed skin covering of the surface on two surfaces.
Similarly, by foaming and molding foaming property polypropylene particles, foaming and molding the lid 2 of the case shape shown in Fig. 1,2.This foaming body substantially has independently bubble, and all foaming magnification factors of foaming body are 12 times, and wherein the foaming magnification factor from surfaces externally and internally to the 1mm depths is 4～5 times, and has formed skin covering of the surface on two surfaces.
The thickness of the case body 1 that obtains like this is 50mm, the thickness of lid 2 is 35mm, in the size of the state lower cover of having closed lid is, width is that 1405mm, the degree of depth are 720mm, highly are 1210mm.
Further, according to the forming process of above-mentioned case body 1 and lid 2, foaming and molding expandable polyethylene particle, thus, one side obtained tabular 2 support components 3,3 of the word of falling L as shown in Figure 1, 2, that diaphragm plate 3b comes from hanging down of horizontal plate 3a.Utilize on the inner face side of mould side and diaphragm plate 3b below horizontal plate 3a and form the upper support groove 10B that the support glass substrate is used.This foaming body substantially also has independently bubble, and foaming body single-piece foaming magnification factor is 30 times, and wherein the foaming magnification factor from surfaces externally and internally to the 1mm depths is 4～5 times, and has formed skin covering of the surface on two surfaces.In addition, the horizontal plate 3a of the letter stencil of falling L and the thickness of diaphragm plate 3b all are made as 26mm.
Then, as Fig. 1, shown in 2, on the inner face 2a side of the end face of the upper face side of the horizontal plate 3a of above-mentioned support component 3 and above-mentioned lid 2, male and fomale(M﹠F) fastener 4a, 4b have been installed accordingly.
Male and fomale(M﹠F) fastener 4a, the 4b installation on the inner face 2a of the end face of the upper face side of the horizontal plate 3a of support component 3 and above-mentioned lid 2 is to use pressure sensitive adhesive double coated band to carry out.
The substrate of present embodiment is carried with identical with described in [effect] one of the using method of case, can extremely successfully carry out to pack in case glass substrate 100 and from the operation of its taking-up glass substrate 100 of substrate conveying.
Except use contains the foaming property polypropylene (also can be the foaming property polypropylene that has added the inhibiter of anti-electric grade) of the degree of electrical conductivity of 20 weight % carbon blacks, make case body 1, lid 2 and the support component 3 that constitutes by foaming body in the same manner with embodiment 1.
The specific insulation on two surfaces of these foaming bodies (according to ASTM D257) is all 10
4～10
11Within the scope of Ω cm.The installation of male and fomale(M﹠F) fastener 4a, 4b is also carried out in the same manner with embodiment 1.The glass substrate after the substrate of this embodiment 2 is carried and is suitable for taking in TFI and forms with case or the production board of liquid crystal cell are also carried or the purpose of keeping, and can the utmost point successfully carry out carrying the operation of packing into and taking out with case 100 to substrate.
Embodiment 3
Fig. 2 is another routine longitudinal sectional view of the foam box for transferring substrate of expression present embodiment.
In this embodiment, on the case body 1 of polyolefins foaming system, do not form groove, but, be inserted in the inwall in opposite directions of case body 1 being formed with 2 interpolation parts 1a that glass substrate supports the base plate supports groove 10A of usefulness.In addition, base-like is formed on the bottom of case body 1.Other structure is identical with embodiment 1.(in addition, also can use resin sheets such as ABS resin thin plate are arranged in the mould and under heating, vacuumize and a gas is configured as that a opposite in opposite directions in the press molding body of case shape forms waveform and the parts that become the base plate supports groove 10A that base plate supports uses as interpolation parts 1a.)
Embodiment 4
Fig. 3 is the overall perspective view of another example of the foam box for transferring substrate of expression present embodiment.
As support component 3, replace the letter stencil of the falling L shape of narration among the embodiment 1～3, be formed with the upper support groove 10B that the support glass substrate is used in its lower section on the side.Except using, made foam box for transferring substrate in the same manner with embodiment 1 by the foaming magnification factor polyethylene kind foaming body (forming skin covering of the surface on two surfaces in the same manner) that to be 30 times, thickness constitute as the horizontal plate 3a of 26mm with the situation of the above-described letter stencil of falling L.
In addition, in above structure, represented for realizing that connection between lid 2 and the support component 3 as a routine use face fastener 4a of join domain, the situation of 4b, can adopt the join domain structure that is formed by the described structure in following Fig. 4～6.
With reference to Fig. 4, the structure of this join domain is, is provided with outstanding cylindrical projection 14a downwards on the inner face 2a side of the end face of lid 2.Leading section at this cylindrical projection 14a is provided with the burr zone 141 of stretching out laterally.In addition, the upper face side at horizontal plate 3a is provided with the opening recess 14b that can take in cylindrical projection 14a.Can suit to select the quantity of cylindrical projection 14a and opening recess 14b.
Like this, when adopting the join domain that constitutes by cylindrical projection 14a and opening recess 14b, by cylindrical projection 14a being inserted among the opening recess 14b, and burr zone 141 is combined with horizontal plate 3a, can be in the connection between realization lid 2 and the load-carrying element 3 under the state that lid 2 is installed in case body 1.
With reference to Fig. 5, the structure of this join domain is, being provided with outstanding, cross section on the inner face 2a side of the end face of lid 2 downwards is the wire protuberance 24a of rhombus.In addition, be provided with the wire recess 24b that can to take in wire protuberance opening section 24a, wire be rhombus at the upper face side of horizontal plate 3a.Can suitably select the quantity of wire protuberance 24a and wire recess 24b.
Like this, when adopting the join domain that constitutes by wire protuberance 24a and wire recess 24b, by wire protuberance 24a is inserted among the wire recess 24b, can be in the connection that realizes under the state that lid 2 is installed in case body 1 between lid 2 and the load-carrying element 3.
With reference to Fig. 6, the structure of this join domain is, being provided with to outstanding cross section, side on the inner face 2b side of the sidewall of lid 2 is leg-of-mutton wire protuberance 34a.In addition, the sidepiece end face upside at horizontal plate 3a is provided with the 34b of hat portion that stretches out to foreign side.
Like this, when adopting the join domain that constitutes by wire protuberance 34a and the 34b of hat portion, lid 2 is being installed under the state of case body 1, by the 34b of hat portion is pressed between wire protuberance 34a and the inner face 2a, the 34b of hat portion is combined with wire protuberance 34a, realize the connection between lid 2 and the support component 3.
(embodiment 2)
The schematic construction of the used for glass basal plate conveyance foam box 200 of present embodiment at first, is described with reference to Fig. 7 and Fig. 8.
[overall structure of used for glass basal plate conveyance foam box 200]
This used for glass basal plate conveyance foam box 200, upper opening and have the foam box body 210 that is used to take in glass substrate 201, the upper support member 230 of the upper end of the foaming cover 220 of the upper opening of closing this foam box body 210 and support glass substrate 201.As an example of the outside dimension of used for glass basal plate conveyance foam box 200, width is about 300mm～1100mm, and the degree of depth is about 350mm～1200mm, highly is about 400mm～1250mm.
If the foaming magnification factor is low excessively, then the protectiveness of glass substrate (resiliency) etc. is abundant inadequately.If but the foaming magnification factor is excessive, undercapacity then, elasticity is also too high.Therefore, the foaming magnification factor of polyolefins foaming body is 3～30 times, it is desirable to 4～25 times, and better is 5～20 times, it is desirable to 7～18 times scope especially.
Consider intensity, the anti-balance that adds between principal characteristic, the consistency and elasticity, the thickness of each parts is about 15～100mm, and it is desirable to especially be set at roughly is 20～80mm.
On the inwall in opposite directions 211 of foam box body 210, be provided with a plurality of side supports grooves 212, so that at the sidepiece of the upright state lower support glass substrate 201 of glass substrate 201.In addition, on the diapire 213 of foam box body 210, be provided with a plurality of bottom support grooves 214 that are used for the bottom of support glass substrate 201.And on upper support member 230, also be provided with a plurality of upper support grooves 231 that are used for the upper end of support glass substrate 201.
It is desirable to, the shape of side supports groove 212, bottom support groove 214 and upper support groove 231 is set at respectively, has the degree of depth of the seamed edge portion that can insert glass substrate 201 and width and under the state that has inserted glass substrate 201, also have some spaces.The number of each groove is to select according to the suitable number of 200 glass substrates that can hold of used for glass basal plate conveyance foam box, usually be provided with on each wall about 10～30 or more than groove.About the shape at the top of slot part,, it is desirable to adopt curve form, tilted shape in order to reduce and the contacting of glass substrate 201.As the size of groove, for example can be that groove depth is about 4mm～20mm, well width is about 2mm～10mm.
In addition, described side supports groove 212 and bottom support groove 214 can be formed directly into respectively on the internal face and bottom surface of foam box body 210, but also can adopt the interpolation buffer unit that will be formed with support slot releasably to be arranged on structure on internal face and the diapire face.Under the situation that the interpolation buffer unit is set, the material of this interpolation buffer unit is to be made of the foam unit identical with foam box body 210.
In addition, from improving the angle of operating efficiency, on upper support member 230 and between the inner face side 221 of foaming cover 220, be provided with the face fastener 241,242 that can load and unload mutually.In addition, also can not adopt upper support member 230, and adopt the structure that upper support groove 231 directly is set on the inner face side 221 of foaming cover 220.
[structure of support slot]
Below, the structure of side supports groove 212, bottom support groove 214 and upper support groove 231 is described with reference to Fig. 9.In addition, because of the basic structure of each support slot is identical, so as typical example, counter-lateral quadrents support slot 212 describes.
Described side supports groove 212 has, be formed on the inwall 211 (perhaps interpolation buffer unit) concavo-convex groove 212a and along the protective film 212b on the surface of the described groove 212a of this concavo-convex covering.This protective film 212b will cover groove 212a at least, but also can cover the whole inner face of foam box body 210, the whole inner face of foaming cover 220 and the whole outer surface of upper support member 230.
As protective film 2112b, can use the film of polyethylene kind, consider from the viewpoint of the abrasion test of glass substrate 210, it is desirable to use the polyethylene foil 212b of super high molecular weight especially.Use has the polyethylene foil 212b of the film of 0.1 μ m～1.0 μ m left and right sides thickness as this super high molecular weight.
Below, with reference to Figure 10 explanation in order to finish side supports groove 212 method to the polyethylene foil 212b of the deposited super high molecular weight of groove 212a.
At first, shown in Figure 10 (a), prepare ultra-high molecular weight polyethylene film 212B.Then, shown in Figure 10 (b), be shaped, in advance ultra-high molecular weight polyethylene film 120 be configured as the ultra-high molecular weight polyethylene film 212b that has along the shape of groove 212a by heating.Then, shown in Figure 10 (c), heat the deposited ultra-high molecular weight polyethylene film 212b that has been shaped simultaneously, lining groove 212a with the shaping of groove 212a.Thus, finish side supports groove 212.
In addition, as glass substrate, with the production board taking in the plasma display base plate, form glass substrate behind the TFT (thin film transistor) or liquid crystal cell during, it is desirable to case body 210 or upper support member be set in 10 with the volume intrinsic resistance rate on the surface of a side of substrate contacts at least as purpose
3～10
12Ω cm it is desirable to 10 especially
4～10
11The scope of Ω cm.
[effect and effect]
According to above used for glass basal plate conveyance foam box 200 with said structure; owing to adopted the structure that protective film covered to each support slot 211,212,231 usefulness ultra-high molecular weight polyethylene film 212b of major general and glass substrate 201 direct contacts etc.; so can the direct contact foaming body when contacting with glass substrate 201, even and under the situation of repeated use used for glass basal plate conveyance foam box 200, can not produce dust by the deterioration of foaming body yet.Its result can prolong the permission service life of the used for glass basal plate conveyance foam box 200 that causes owing to dust significantly, and can reduce the running expense of used for glass basal plate conveyance foam box 200.
In addition, represented in used for glass basal plate conveyance foam box 200, for support glass substrate 201 reliably and be provided with the structure of side supports groove 212, bottom support groove 214 and upper support groove 231, but also can be by having side supports groove 212 at least support glass substrate 201.
Also have, represented in the respective embodiments described above structure of the present invention is applicable to example in the foam box for transferring substrate of carrying glass substrate, but equally also applicable to taking in and carrying in the foam box for transferring substrate that has with the substrate of glass substrate same nature.
Foam box for transferring substrate of the present invention has whole desirable feature of narration in one of the effect of using the polyolefins foaming body, and by support component cover glass substrate from the outstanding part of case body.In addition, because taked to increase the method for support component, when disengaging that can generation trough when vertically being inserted with the case body loam cake upper cover body of glass substrate.And because of loading and unloading between support component and the lid, by enough male and fomale(M﹠F) fasteners so can use bale breaker automatically to uncase the operation of glass substrate.
According to foam box for transferring substrate of the present invention, can provide a kind of used for glass basal plate conveyance case with the structure that can suppress to produce dust further.
Although in above narration with describe the present invention for example in detail, the present invention is not limited to above explanation and embodiment, and aim of the present invention and scope are the protections of equal claim.
Claims (11)
1, a kind of foam box for transferring substrate, glass substrate is taken in by the portion that is used within it, it is characterized in that having: have the base plate supports that is used for support glass substrate (100) the case body (1) with groove (10A) on inwall in opposite directions; Be provided with near the support component (3) of the upper support groove (10B) the top that is used to support described glass substrate (100); Described support component (3) is installed under the state of upper end of described glass substrate (100) the case shape lid (2) that combines with the peristome side on the top of described chest body (1) in the mode that comprises described support component (3); And, between the internal face of described support component (3) and described lid (2), be provided with the join domain that is used to connect described support component (3) and described lid (2).
2, foam box for transferring substrate according to claim 1, described support component (3) be by possess side below be provided with described upper support groove (10B) horizontal plate (3a) and inner face side be provided with described upper support groove (10B) and from horizontal plate (3a) one side the letter stencil of the falling L formation of the diaphragm plate (3b) that comes of hanging down; Between the internal face of the face side of described horizontal plate (3a) and described lid (2), be provided with described join domain.
3, foam box for transferring substrate according to claim 1, described support component (3) only is made of the horizontal plate (3) that side below is provided with described upper support groove (10B), and is provided with described join domain between the internal face of the face side of described horizontal plate (3) and described lid (2).
4, foam box for transferring substrate according to claim 1 wherein, as described join domain, is provided with male and fomale(M﹠F) fastener (4a, 4b) accordingly between the internal face of described support component (3) and described lid (2).
5, foam box for transferring substrate according to claim 1, wherein, as described join domain, between the internal face of described support component (3) and described lid (2), be provided with the relief region (14a, 14b, 24a, 24b, 34a, 34b) that mutually combines.
6, foam box for transferring substrate according to claim 1, wherein, described case body (1) and described lid (2) are the polyolefins foaming bodies.
7, foam box for transferring substrate according to claim 6, wherein, described support component (3) is the polyolefins foaming body.
8, a kind of foam box for transferring substrate, be used for taking in glass substrate in inside, it is characterized in that having: upper opening is also taken in described substrate and have the foam box body (210) of the side supports groove (212) that is used to support described substrate on inwall in opposite directions; Foaming cover (220) with the upper opening of closing described foam box body (210); At least the surperficial protected film (212b) that is described side supports groove (212) covers.
9, foam box for transferring substrate according to claim 8; it is characterized in that; on the diapire of described chest body (210), also have the bottom support groove (214) that is used to support described substrate, and be that the surperficial protected film (212b) of described bottom support groove (214) covers at least.
10, foam box for transferring substrate according to claim 8; it is characterized in that; also possess the upper support member (230) of upper support groove (231), and be that the surperficial protected film (212b) of described upper support groove (231) covers at least with the upper end that is used to support described substrate.
11, foam box for transferring substrate according to claim 8 is characterized in that, described protective film (212b) is the ultra-high molecular weight polyethylene film.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002208346 | 2002-07-17 | ||
| JP2002208346A JP2004051131A (en) | 2002-07-17 | 2002-07-17 | Carrying box for glass base sheet |
| JP2003173096 | 2003-06-18 | ||
| JP2003173096A JP2005008194A (en) | 2002-07-17 | 2003-06-18 | Foamed box for substrate transfer |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610164275 Division CN1982172A (en) | 2002-07-17 | 2003-07-15 | Foam box for transferring substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1475416A true CN1475416A (en) | 2004-02-18 |
| CN100575215C CN100575215C (en) | 2009-12-30 |
Family
ID=34196500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03147657A Expired - Lifetime CN100575215C (en) | 2002-07-17 | 2003-07-15 | Foam box for transferring substrate |
Country Status (4)
| Country | Link |
|---|---|
| JP (2) | JP2004051131A (en) |
| KR (1) | KR100798533B1 (en) |
| CN (1) | CN100575215C (en) |
| TW (1) | TWI252834B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426696B (en) * | 2006-04-20 | 2011-08-17 | 旭硝子株式会社 | Mechanism for holding plate-like body, device foe packaging plate-like body, and method for holding plate-like body |
| CN102328789A (en) * | 2010-06-07 | 2012-01-25 | 积水化成品工业株式会社 | Container for transporting plate-like members |
| CN102883973A (en) * | 2010-03-11 | 2013-01-16 | 恩特格林斯公司 | Thin wafer shipper |
| CN103264845A (en) * | 2013-04-08 | 2013-08-28 | 友达光电股份有限公司 | Packaging carton box |
| CN104210747A (en) * | 2013-05-28 | 2014-12-17 | 康宁精密素材株式会社 | Box for carrying substrates |
| CN108190208A (en) * | 2017-12-29 | 2018-06-22 | 浙江潮城互联网科技有限公司 | The storage box of solar energy photovoltaic panel |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4628220B2 (en) * | 2005-08-23 | 2011-02-09 | 積水化成品工業株式会社 | Plate container |
| JP5115843B2 (en) | 2007-10-15 | 2013-01-09 | 日本電気硝子株式会社 | Glass substrate packing box |
| CN108371411B (en) * | 2018-04-17 | 2023-08-22 | 浙江机电职业技术学院 | Trapezoidal practical training table with positioning box |
| CN110641808A (en) * | 2019-09-24 | 2020-01-03 | 南京中电熊猫平板显示科技有限公司 | Foam box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061228A (en) | 1976-12-20 | 1977-12-06 | Fluoroware, Inc. | Shipping container for substrates |
| JPS63224338A (en) | 1987-03-13 | 1988-09-19 | Nec Corp | Semiconductor substrate supporting tool |
| JPH08301354A (en) * | 1995-05-12 | 1996-11-19 | Asahi Chem Ind Co Ltd | Plate-form glass part carrying box |
| JP2690717B2 (en) * | 1995-07-26 | 1997-12-17 | ナショナル住宅産業株式会社 | Plate-shaped building material packing equipment |
-
2002
- 2002-07-17 JP JP2002208346A patent/JP2004051131A/en not_active Withdrawn
-
2003
- 2003-06-18 JP JP2003173096A patent/JP2005008194A/en active Pending
- 2003-07-11 KR KR1020030047097A patent/KR100798533B1/en active IP Right Grant
- 2003-07-14 TW TW092119102A patent/TWI252834B/en not_active IP Right Cessation
- 2003-07-15 CN CN03147657A patent/CN100575215C/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426696B (en) * | 2006-04-20 | 2011-08-17 | 旭硝子株式会社 | Mechanism for holding plate-like body, device foe packaging plate-like body, and method for holding plate-like body |
| CN102883973A (en) * | 2010-03-11 | 2013-01-16 | 恩特格林斯公司 | Thin wafer shipper |
| CN102883973B (en) * | 2010-03-11 | 2016-02-24 | 恩特格林斯公司 | Thin wafer shipper |
| US9472431B2 (en) | 2010-03-11 | 2016-10-18 | Entegris, Inc. | Thin wafer shipper |
| US10276414B2 (en) | 2010-03-11 | 2019-04-30 | Entegris, Inc. | Thin wafer shipper |
| CN102328789A (en) * | 2010-06-07 | 2012-01-25 | 积水化成品工业株式会社 | Container for transporting plate-like members |
| CN102328789B (en) * | 2010-06-07 | 2015-07-01 | 积水化成品工业株式会社 | Container for transporting plate-like members |
| CN103264845A (en) * | 2013-04-08 | 2013-08-28 | 友达光电股份有限公司 | Packaging carton box |
| WO2014166013A1 (en) * | 2013-04-08 | 2014-10-16 | 友达光电股份有限公司 | Packaging carton |
| CN103264845B (en) * | 2013-04-08 | 2015-02-25 | 友达光电股份有限公司 | Packaging carton box |
| CN104210747A (en) * | 2013-05-28 | 2014-12-17 | 康宁精密素材株式会社 | Box for carrying substrates |
| CN108190208A (en) * | 2017-12-29 | 2018-06-22 | 浙江潮城互联网科技有限公司 | The storage box of solar energy photovoltaic panel |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100798533B1 (en) | 2008-01-28 |
| KR20040008083A (en) | 2004-01-28 |
| TW200402390A (en) | 2004-02-16 |
| JP2004051131A (en) | 2004-02-19 |
| CN100575215C (en) | 2009-12-30 |
| JP2005008194A (en) | 2005-01-13 |
| TWI252834B (en) | 2006-04-11 |
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