CN111232430B - Packaged body and packaged body - Google Patents
Packaged body and packaged body Download PDFInfo
- Publication number
- CN111232430B CN111232430B CN201911188897.4A CN201911188897A CN111232430B CN 111232430 B CN111232430 B CN 111232430B CN 201911188897 A CN201911188897 A CN 201911188897A CN 111232430 B CN111232430 B CN 111232430B
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- Prior art keywords
- plate
- protective
- pair
- base
- laminate
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Classifications
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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
- 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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- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
- Packages (AREA)
Abstract
The invention provides a packed body. The packaged body (1) is provided with: a laminate (2) having a plate-like base (21), and 1 st and 2 nd protective films (22, 23) disposed on 1 st and 2 nd main surfaces (21A, 21B) of the plate-like base (21); and a pair of protection plates (4) which are arranged so as to sandwich the laminate (2) from both sides of the 1 st and 2 nd main surfaces (21A, 21B), wherein the outer edges of at least a part of the 1 st and 2 nd protection films (22, 23) are positioned outside the outer edge of the plate-shaped substrate (21), and the entire outer edge of the pair of protection plates (4) is positioned outside the outer edge of the laminate (2).
Description
Technical Field
The present invention relates to a packed body and a package.
Background
Conventionally, a laminate in which a protective film is laminated on a main surface of a rectangular glass plate is known (for example, see patent document 1).
The protective film of the laminate of patent document 1 has a 1 st edge overlapping or located inward of a pair of 1 st edges of the glass sheet, and a 2 nd edge located outward of the other pair of 2 nd edges of the glass sheet, which are opposed, in a plan view of the glass sheet. Patent document 1 discloses the following: the protective films may be provided on both principal surfaces of the glass plate, and the end regions including the 2 nd edge may be bonded to each other.
Patent document 1: japanese patent laid-open No. 2017-171372
However, even when the end regions including the 2 nd edge are bonded to each other as described in patent document 1, the end faces of the 1 st edge constituting the glass sheet are always exposed, and therefore, for example, when the laminate is packed in an ethylene plastic bag, particles generated by friction between the end faces and the ethylene plastic bag may adhere to the end faces during packing or transportation, and may affect the subsequent steps.
Disclosure of Invention
The present invention provides a packed body and a package body capable of preventing particles from adhering to a plate-like substrate.
The packed body of the present invention is contained in a containing member, and the packed body is characterized by comprising: a laminate having a plate-like base and a protective film disposed on at least one of a pair of main surfaces of the plate-like base; and a pair of protection plates disposed so as to sandwich the laminate from both sides of the pair of main surfaces, wherein at least a part of the outer edges of the protection film are located outside the outer edges of the plate-like base, and the entire outer edges of the pair of protection plates are located outside the outer edges of the laminate.
According to the present invention, a laminated body having a plate-like base body with a protective film disposed on at least one main surface is sandwiched between a pair of protective plates, and the entire outer edges of the pair of protective plates are positioned outside the outer edges of the laminated body. Therefore, when the packaged body is accommodated in the accommodating member, the bag body is disposed so as to bridge the outer edges of the pair of protection plates when the accommodating member is a bag body, and when the accommodating member is a case, the inner periphery of the case is in a straight line shape connecting the outer edges of the protection plates to each other or in a substantially straight line shape at a position apart from the outer edges of the protection plates, so that a gap can be formed between the inner periphery of the accommodating member and the outer edges of the protection films. Therefore, friction between the housing member and the protective film can be reduced, and adhesion of particles generated by the friction to the plate-like substrate can be reduced.
In the packed body according to the present invention, it is preferable that the packed body further includes a fixing member for fixing the pair of protection plates to the laminated body.
In this aspect of the present invention, the positional displacement of the laminate with respect to the protective plate can be suppressed during conveyance of the packaged body.
In the packed body according to the present invention, the fixing member preferably includes a band-shaped, or string-shaped, or ring-shaped winding member wound around the laminate and the pair of protection plates.
In this aspect of the present invention, the fixation of the laminate and the pair of protection plates is facilitated by a simple method of winding only the band-shaped, rope-shaped, or ring-shaped winding member around the laminate and the pair of protection plates.
Further, for fixing the both end portions in the longitudinal direction in the belt-like or rope-like winding member, appropriate methods such as connection of the both end portions of the winding member to each other, fixing by a buckle, adhesion, and fusion can be used depending on the shape and material of the winding member.
In the packed body according to the present invention, it is preferable that at least one of the pair of protection plates is configured to be deformable by a winding force of the winding member.
In this aspect of the present invention, the protective plate flexes along the outer edge of the plate-like base body, and positional displacement of the plate-like base body with respect to the surface direction of the protective plate can be suppressed.
In the packaged body according to the present invention, it is preferable that the at least one protective plate has a corrugated plate structure including a corrugated middle core and a backing plate provided on at least one surface of the middle core, and the winding member is wound so that an angle between a longitudinal direction of the winding member and a ridge line direction of the middle core is 0 ° or more and 30 ° or less.
In this aspect of the invention, buckling of the protective plate along the ridge line of the center core can be suppressed, and breakage of the protective plate can be suppressed.
In the packaged body according to the present invention, the at least one protective plate has a corrugated plate structure including a corrugated middle core and a backing plate provided on at least one surface of the middle core, and the laminated body and the pair of protective plates are wound with a 1 st winding member and a 2 nd winding member, wherein the 1 st winding member is wound so that an angle between a longitudinal direction of the 1 st winding member and a ridge line direction of the middle core is 0 ° to 30 °, and the 2 nd winding member is wound so that an angle between a longitudinal direction of the 2 nd winding member and a longitudinal direction of the 1 st winding member is 50 ° to 90 °.
In this aspect of the present invention, since the 1 st winding member slightly deflects the protection plate along the line intersecting the ridge line of the center, even if the 2 nd winding member is wound so that the angle formed by the 2 nd winding member and the 1 st winding member in the longitudinal direction thereof is 50 ° to 90 °, the bending of the protection plate along the ridge line of the center can be suppressed due to the effect of the geometrical rigidity, and the breakage of the protection plate can be suppressed.
In the packed body of the present invention, it is preferable that the corners of the pair of protection plates form an obtuse angle or a curve when viewed from the main surface side of the plate-like base.
In this aspect of the invention, damage to the corner of the protective plate or cutting of the storage member when the packaged body is stored in the storage member can be suppressed.
In the packaged body according to the present invention, it is preferable that the packaged body further includes a contact suppressing member provided between the laminated body and the pair of protection plates.
In this aspect of the invention, for example, when the packaged body is transported, the portion of the plate-like base body not protected by the protective film is prevented from colliding with the protective plate, and the plate-like base body is prevented from being broken.
In the packed body according to the present invention, it is preferable that the contact suppressing member has a function of suppressing sliding between members in contact with the contact suppressing member, and the contact suppressing member is provided between the stacked bodies.
In this aspect of the present invention, for example, when the packaged body is transported, sliding between the laminated body and the protective plate and between the laminated bodies can be suppressed, and the plate-like base body can be prevented from being broken by collision with other members.
In the packed body of the present invention, it is preferable that the protective films are disposed on both main surfaces of the plate-like base, and at least a part of an end region of one of the protective films located outside an outer edge of the plate-like base is not in contact with an end region of the other protective film.
The laminate according to this aspect of the present invention can protect both principal surfaces of the plate-like substrate by the protective film. Further, since at least a part of the end region of one protective film does not contact the end region of the other protective film, the protective film can be easily peeled by grasping the non-contact end region. In the packed body according to the present invention, even in the laminated body having such an effect, friction between the storage member and the protective film can be suppressed, and adhesion of particles to the plate-like base can be prevented.
In the packed body of the present invention, the plate-like base is preferably glass.
In this aspect of the present invention, glass having both high strength and good texture and having brittleness can be reliably packed.
In the packaged body of the present invention, the glass is preferably a tempered glass.
In this aspect of the present invention, glass having both high strength and good texture and having brittleness can be reliably packed. Further, although the crack exceeding the compressive stress layer affects the strength decrease of the tempered glass, the occurrence of such crack can be suppressed.
The package of the present invention includes the packaged body and a housing member for housing the packaged body.
In this aspect of the present invention, the packed body can be conveyed while suppressing the exposure of the laminate to the external atmosphere.
In the package of the present invention, the storage member is preferably a resin bag.
In this embodiment of the present invention, the weight of the package is reduced.
Drawings
Fig. 1 is an exploded perspective view of a package according to an embodiment of the present invention.
Fig. 2 is a plan view of the above-mentioned package.
Fig. 3 is a plan view of another wrapped body.
Fig. 4 is a cross-sectional view of the package body including the packaged body of fig. 2, taken along the line IV-IV of fig. 2.
Fig. 5 is a cross-sectional view of the package body including the packaged body of fig. 2, taken along the line V-V of fig. 2.
Fig. 6 is a cross-sectional view of the package of fig. 3, taken along line VI-VI of fig. 3.
Fig. 7 is a cross-sectional view of the package of fig. 3, taken along line VII-VII of fig. 3.
Fig. 8 is an exploded cross-sectional view of a portion of another wrapped package.
Fig. 9 is a cross-sectional view of a portion of another wrapped body.
Fig. 10 is a schematic diagram showing a vibration resistance evaluation method in the embodiment of the present invention.
Description of the reference numerals
A quilt package; a package; bag (housing part); 2. a laminate; a plate-like substrate; major face 1; major face 2; contact suppression means; protective plate; central core; edge line; liner plate; fixing the component; 5A, 5b. 1 st, 2 nd rubber bands (1 st, 2 nd winding members); 51. the tape section (winding member).
Detailed Description
Embodiment(s)
An embodiment of the present invention will be described below with reference to the drawings.
[ quilt packaging body ]
As shown in fig. 1 and 2, the packaged body 1 includes a laminate 2 in which a plurality of the laminate are laminated, a plurality of contact suppressing members 3, a pair of protection plates 4, and a pair of fixing members 5.
The laminate 2 includes: a plate-like base 21 having a 1 st main surface 21A, a 2 nd main surface 21B, and an end surface 21C; a 1 st protective film 22 disposed on the 1 st main surface 21A; and a 2 nd protective film 23 disposed on the 2 nd main surface 21B.
The thickness of the plate-like base 21 is preferably 0.5mm or more and 2.5mm or less. The plate-like substrate 21 is preferably glass having both high strength and good texture and brittleness. When the plate-like substrate 21 is glass, it is preferably a tempered glass excellent in strength and scratch resistance.
An antireflective layer, not shown, is preferably provided on the 1 st main surface 21A of the plate-like substrate 21. The antireflection layer is preferably provided over the entire 1 st main surface 21A.
Further, an anti-contamination layer (not shown) is preferably provided on the 1 st main surface 21A of the plate-like base 21 with or without an anti-reflection layer interposed therebetween. The contamination prevention layer is preferably provided on the entire 1 st main surface 21A.
Further, a functional layer such as an antiglare layer or an antifogging layer may be provided on the 1 st main surface 21A in addition to at least one of the antireflection layer and the antiglare layer, or a functional layer such as an antiglare layer or an antifogging layer may be provided instead of the antireflection layer and the antiglare layer.
A print layer, not shown, is preferably provided on the 2 nd main surface 21B of the plate-like substrate 21. The print layer is preferably formed in a frame shape having a predetermined width including the outer edge of the 2 nd main surface 21B when the plate-like substrate 21 is used as a cover glass for a display panel. The printed layer may be a hidden layer for hiding the wiring of the display panel provided on the plate-like substrate 21, or may be a decorative layer for improving the design of the plate-like substrate 21.
The end surface 21C of the plate-like base 21 is preferably chamfered.
The 1 st and 2 nd protective films 22 and 23 are formed such that at least a part of the outer edges thereof are positioned outside the outer edge of the plate-like base 21.
The 1 st protective film 22 preferably includes a 1 st film base 22A, a 1 st adhesive layer 22B provided on one surface of the 1 st film base 22A, and a tab 22C.
The 1 st film base 22A is formed in a rectangular shape smaller than the 1 st main surface 21A of the plate-like base 21. The tab 22C is provided such that a part thereof is located in the plane of the 1 st film base 22A, and the remaining part thereof protrudes outward from one side edge of the 1 st film base 22A. The protruding length of the tab 22C from the 1 st film base 22A is preferably 0.2mm to 10mm, more preferably 0.5mm to 3 mm. When the amount is within this range, the tab 22C does not contact the 2 nd protective film 23, and the 1 st film base 22A can be easily peeled off by holding the tab 22C. The tab 22C is preferably removable from the 1 st film base 22A via an adhesive layer, not shown, for example. In addition, one film base having an outer shape formed by combining the tab 22C portion and the 1 st film base 22A may be used.
The 2 nd protective film 23 preferably includes a 2 nd film base 23A and a 2 nd adhesive layer 23B provided on one surface of the 2 nd film base 23A.
The 2 nd film base 23A is formed in a rectangular shape larger than the 2 nd main surface 21B of the plate-like base 21.
The 1 st protective film 22 is preferably such that the entire outer edge of the 1 st film base 22A is positioned further inside than the outer edge of the plate-like base 21, and a part of the tab 22C protrudes from the outer edge of the plate-like base 21. The distance from the outer edge of the plate-like base 21 to the outer edge of the 1 st film base 22A is preferably 3mm or less, more preferably 1mm or less, at a position where the outer edge of the 1 st film base 22A is located further inward than the outer edge of the plate-like base 21. This is because if it exceeds 3mm, there is an increased possibility of contamination in the plane.
The 2 nd protective film 23 is preferably located outside the outer edge of the plate-like substrate 21 as a whole of the outer edge of the 2 nd film substrate 23A.
The 1 st and 2 nd protective films 22 and 23 having such a structure preferably have end surfaces 21C exposed by preventing at least a part of the end region of one protective film from contacting the end region of the other protective film.
From the viewpoint of ease of material acquisition, the 1 st and 2 nd film substrates 22A, 23A are preferably made of PET or PE. In addition, from the viewpoint of reducing the sliding of one laminated body 2 with respect to the other laminated body 2, the coefficient of static friction between the 1 st film base 22A and the 2 nd film base 23A is preferably 0.05 to 0.15.
The main components of the 1 st and 2 nd adhesive layers 22B and 23B are preferably acrylic resins or urethane resins from the viewpoint of adhesion and releasability, and more preferably urethane resins from the viewpoint of suppressing the generation of bubbles between the 1 st and 2 nd protective films 22 and 23 and the 1 st and 2 nd main surfaces 21A and 21B.
The 1 st and 2 nd protective films 22 and 23 may have the same shape and material, or may have different structures. For example, from the viewpoint of reducing the possibility of mistaking the surface to be stuck, the 1 st and 2 nd protective films 22 and 23 are more preferably formed in different shapes.
The contact suppressing member 3 is disposed so as to sandwich the stacked body 2 in which a plurality of the members are stacked. The contact suppressing member 3 is formed in a square plate shape. The contact suppressing member 3 is preferably sized such that the entire outer edge thereof is located outside the outer edge of the laminate 2. The material of the contact suppressing member 3 is not particularly limited as long as contact of the laminate 2 with the protective plate 4 can be suppressed.
As the contact suppressing member 3, there can be exemplified Miramat (registered trademark) manufactured by JSP corporation), insertion paper (KIRARI (registered trademark) manufactured by kla corporation), and a foamed polypropylene sheet, which are high-foamed polyethylene sheets.
The contact suppressing member 3 is preferably disposed between the laminated bodies 2 in order to suppress contact between the laminated bodies 2. The contact suppressing member 3 preferably has an effect of suppressing sliding, and from this viewpoint, a high-foaming polyethylene sheet is preferred. The contact suppressing member 3 may be made of the same material as the 1 st and 2 nd protective films 22 and 23. That is, the contact suppressing member 3 may be provided with a film made of PET or PE, and an adhesive layer made of an acrylic resin or a urethane resin.
The protective plate 4 is disposed so as to sandwich the laminated body 2 in which a plurality of laminated bodies are disposed via the contact suppressing member 3. The protection plate 4 is formed in an octagonal plate shape in which four corners of the rectangular plate shape are cut out in a plan view. The angles of the 8 corners of the protection plate 4 become obtuse angles (135 °).
The protective plate 4 has a size such that the entire outer edge thereof is located outside the outer edge of the laminated body 2. The protective plate 4 is preferably of the following size: when the film is disposed so that the center of the film is overlapped with the centers of the 1 st and 2 nd film substrates 22A and 23A in a plan view, the distance from the outer edge of the protection plate 4 to the protruding tip of the protruding piece 22C and the distance from the outer edge of the protection plate 4 to the outer edge of the 2 nd film substrate 23A are 5mm to 5 cm. If the thickness is less than 5mm, the possibility that the laminate 2 protrudes from the protective plate 4 increases due to the displacement of the central positions of the protective plate 4 and the laminate 2. If the length exceeds 5cm, only the portion of the protection plate 4 may buckle due to an unexpected load from the outside, and the required protection bag or package may be unnecessarily enlarged. The protection plate 4 includes a pair of 1 st side portions 4A corresponding to a pair of opposite sides of the quadrangular plate shape, and a pair of 2 nd side portions 4B orthogonal to the pair of 1 st side portions 4A.
The protective plate 4 is preferably deformable when the fixing member 5 is wound around the protective plate 4, the laminate 2, and the contact suppressing member 3. From the viewpoint of such deformation, the bending elastic modulus of the protective plate 4 is preferably 5N/cm to 500N/cm. When the flexural modulus varies depending on the direction, a larger flexural modulus is referred to. The thickness of the protective plate 4 is preferably 2mm to 5 mm.
The protective plate 4 of the present embodiment has the following corrugated plate structure: the corrugated board-like middle core 41 and backing plates 42 provided on at least two sides of the middle core 41 are provided. The protective plate 4 having the corrugated structure may be made of resin or paper, but is preferably made of resin from the viewpoint of durability. The protective plates 4 may be disposed between the laminated bodies 2.
The fixing member 5 fixes the pair of protection plates 4 to the laminate 2. As shown in fig. 2, the fixing member 5 is constituted by a 1 st elastic band 5A as a 1 st winding member and a 2 nd elastic band 5B as a 2 nd winding member.
The fixing member 5 is not particularly limited as long as it is a member having a winding force. For example, as shown in fig. 3, a tightening strap 50 as a winding member having a strap portion 51 and a buckle 52 may be used, or may be fixed by welding the strap portion 51. The material, width, or thickness of the band portion 51, and the material or type of the buckle 52 are not particularly limited, and may be appropriately selected according to the size and weight of the laminate 2. As the tape portion 51, a resin tape portion such as PP tape and a cloth tape portion can be exemplified.
The stacked body 2, the contact suppressing member 3, the protective plate 4, and the fixing member 5 are used to manufacture the package 1 as follows.
The following operations may be performed by the apparatus, or may be performed manually by the operator, or may be performed partially by the apparatus or the operator. In addition, a plurality of operations may be performed simultaneously.
First, the contact suppressing member 3 is placed on the protective plate 4. The contact suppressing member 3 is preferably placed such that its center coincides with the center of the protective plate 4 and the entire outer edge thereof is positioned further inside than the outer edge of the protective plate 4.
Further, a plurality of the laminated body 2 and the contact suppressing member 3 are sequentially placed on the contact suppressing member 3 in the order of the laminated body 2 and the contact suppressing member 3. At this time, the laminate 2 is placed such that the entire outer edge of the laminate 2 is positioned inside the outer edge of the protective plate 4. The laminate 2 and the contact suppressing member 3 are preferably placed such that the center thereof overlaps the center of the protective plate 4. The number and weight of the laminated body 2 are not particularly limited, but it is preferable to set such that the laminated body 2 does not shift in position with respect to the protective plate 4 due to an inertial force when the packaged body 1 is conveyed in the plane direction of the plate-like base 21 and stopped, or due to gravity when the packaged body 1 is vertically placed (when the plate-like base 21 is placed so that the plane direction is parallel to the vertical direction), or such that the outer edge of the 2 nd protective film 23 is not entirely located outside the outer edge of the protective plate 4 even if the position shifts.
A protective plate 4 is placed on the uppermost contact suppressing member 3. At this time, the protection plate 4 is placed on the contact suppressing member 3 so that the direction along the ridge line 41A of the center 41 (hereinafter referred to as the ridge line direction) of the upper protection plate 4 is parallel to the ridge line direction of the lower protection plate 4. The protective plate 4 is preferably placed so as to overlap with the protective plate 4 positioned below the laminate 2 in a plan view.
Next, the 1 st and 2 nd elastic bands 5A and 5B are wound around the laminate 2, the contact suppressing member 3, and the protective plate 4. At this time, as shown in fig. 2, the 1 st rubber band 5A is hung so that an angle θ1 formed by the longitudinal direction of the 1 st rubber band 5A and the ridge line direction indicated by the two-dot chain line is 0 ° to 30 °. In the present embodiment, as shown by the solid line in fig. 2, the 1 st elastic band 5A is hung around the center portion of the long side of the protection plate 4 such that the long side direction of the 1 st elastic band 5A is parallel to the short side direction of the protection plate 4, that is, such that θ1 is 0 °. The Rao Di th rubber band 5B is hung so that an angle θ2 formed by the longitudinal direction of the 1 st rubber band 5A and the longitudinal direction of the 2 nd rubber band 5B is 50 ° to 90 °. In the present embodiment, the 2 nd elastic band 5B is wound around the center portion of the short side of the protection plate 4 such that the longitudinal direction of the 2 nd elastic band 5B is parallel to the longitudinal direction of the protection plate 4, that is, such that θ2 is 90 °.
The total tension of the 1 st and 2 nd elastic bands 5A and 5B wound as described above is preferably 10N to 80N.
In the case of less than 10N, the fixing force is insufficient to cause the stacked body 2 to shift. If the number exceeds 80N, the protective plate 4 may be buckled, and the protective plate 4 may be strongly contacted with the 1 st and 2 nd rubber bands 5A and 5B, thereby damaging the protective plate 4. The total tension of the 1 st and 2 nd elastic bands 5A and 5B is more preferably 15N or more, and still more preferably 20N or more. The total tension of the 1 st and 2 nd elastic bands 5A and 5B is preferably 60N or less, more preferably 50N or less.
At this time, as shown in fig. 5, the portion of the protection plate 4 located outside the plate-like base 21 is slightly deflected along a line intersecting the ridge line 41A of the center 41 by the 1 st elastic band 5A. Therefore, as shown in fig. 4, even if the rubber band 5B is hung Rao Di so that the angle between the longitudinal direction and the ridge line 41A is 90 °, the portion of the protection plate 4 located outside the plate-like base 21 can be prevented from being greatly deflected along the ridge line 41A due to the effect of the geometric rigidity.
The above operation ends the production of the packaged body 1.
In addition, as shown in fig. 3, when the fastening tape 50 is used, first, the tape portions 51 of the two fastening tapes 50 are placed on the work table at a predetermined interval in parallel, and then the protection plate 4 is placed thereon. At this time, similarly to the 1 st rubber band 5A, the angle between the ridge line direction and the longitudinal direction of the belt portion 51 is set to be 0 ° or more and 30 ° or less.
Thereafter, as in the case of using the 1 st and 2 nd elastic bands 5A and 5B, the laminate 2, the contact suppressing member 3, and the protective plate 4 are placed thereon, and the band portion 51 is hung around the laminate 2, the contact suppressing member 3, and the protective plate 4, and both ends thereof are fixed by the buckle 52. Thereafter, the end 51A of the belt portion 51 on the side where the buckle 52 is not provided is pulled from the position shown by the two-dot chain line in fig. 3 to the position shown by the solid line to fasten the belt portion 51. The total tension of the belt portion 51 is preferably 10N to 80N.
At this time, as shown in fig. 6, the 1 st side edge portion 4A of the protection plate 4 which does not contact the band portion 51 is not deformed. Further, since the 1 st side portion 4A is not deformed, the contact suppressing member 3 and the portion on the 1 st side portion 4A side of the 2 nd protective film 23 are hardly deformed.
On the other hand, as shown in fig. 7, the protection plate 4 in contact with the band 51 is slightly deflected along a line intersecting the ridge line 41A of the center core 41 by the winding force of the band 51. The contact suppressing member 3 and the portion of the 2 nd protective film 23 on the 2 nd side edge portion 4B side are also slightly deflected along the outer edge of the plate-like base 21 due to the deflection of the 2 nd side edge portion 4B.
[ bag body ]
Next, a package body including the above-described packaged body 1 will be described.
As shown in fig. 4 and 5, or fig. 6 and 7, the package body 10 includes: a bag 11 as a housing member for housing the packaged body 1; a square box-shaped case 12 for accommodating the bag 11; and a buffer 13 provided between the bag 11 and the case 12.
The bag 11 is constituted by, for example, a transparent or colored vinyl plastic bag. Such a bag body 11 can be exemplified as a folded bag.
The case 12 is made of, for example, corrugated board, and includes a main body 12A having an opening at the upper surface, and a pair of covers 12B provided on a pair of opposite sides of the upper surface. The cover 12B may be fixed by an adhesive tape or a band. The case 12 may be made of resin.
In addition, the buffer 13 may be omitted.
[ Effect of the embodiment ]
The laminated body 2 in which the 1 st and 2 nd protective films 22 and 23 are arranged by sandwiching the pair of protective plates 4 between the 1 st and 2 nd main surfaces 21A and 21B of the plate-like base 21 is arranged such that the entire outer edges of the pair of protective plates 4 are positioned outside the outer edges of the laminated body 2.
Therefore, when the packaged body 1 is stored in the bag 11, the bag 11 is disposed so as to bridge between the outer edges of the pair of protection plates 4, and a gap can be formed between the bag 11 and the outer edges of the 1 st and 2 nd protection films 22 and 23. Therefore, friction between the bag 11 and the 1 st and 2 nd protective films 22 and 23 can be suppressed, and adhesion of particles generated by the friction to the plate-like base 21 can be prevented.
Since the protective plate 4 is fixed to the laminate 2 by the fixing member 5, positional displacement of the laminate 2 with respect to the protective plate 4 can be suppressed during conveyance of the packaged body 1.
In particular, since the 1 st and 2 nd elastic bands 5A and 5B are used as the fixing members 5, the 1 st and 2 nd elastic bands 5A and 5B can be fixed by a simple method of winding only the 1 st and 2 nd elastic bands 5A and 5B around the laminate 2 and the protective plate 4.
Since the end portions of the 2 nd protective film 23, the contact suppressing member 3, and the protective plate 4 are deflected along the outer edge of the plate-like base 21 by the winding force of the 1 st and 2 nd elastic bands 5A and 5B, the positional displacement of the laminated body 2 in the lateral direction in fig. 4, 5, and 7 can be suppressed by the deflection.
In the case of using the fastening tape 50, since the angle between the ridge line direction of the center 41 of the protection plate 4 and the longitudinal direction of the tape portion 51 is set to 0 °, the 2 nd side portion 4B of the protection plate 4 is deflected along a line perpendicular to the ridge line 41A. Therefore, compared with the case where the 1 st side edge portion 4A of the protection plate 4 is deflected along the ridge line 41A, breakage of the protection plate 4 can be suppressed.
Since the corner of the protection plate 4 is formed to be obtuse in plan view, damage to the corner of the protection plate 4 and cutting of the bag 11 can be suppressed.
Since the contact suppressing member 3 is provided between the laminated body 2 and the protective plate 4 and between the laminated body 2, the laminated body 2 can be prevented from sliding with respect to the protective plate 4 or another laminated body 2 during transportation or vertical placement of the package 1. Therefore, particles generated by friction between the bag 11 and the 1 st and 2 nd protective films 22 and 23 can be prevented from adhering to the plate-like base 21, and the plate-like base 21 can be prevented from being broken by hitting the floor or the like.
Since the end region of at least a part of the 1 st protective film 22 is not in contact with the end region of the 2 nd protective film 23, the 1 st and 2 nd protective films 22 and 23 can be easily peeled off by holding the portion of the tab 22C and the 2 nd protective film 23 located outside the outer edge of the plate-like base 21. Further, even in the laminate 2 having such an effect, friction between the bag 11 and the 1 st and 2 nd protective films 22 and 23 can be suppressed, and adhesion of particles to the plate-like base 21 can be prevented.
Modification example
The present invention is not limited to the above-described embodiments, and various modifications, design changes, and the like may be made without departing from the gist of the present invention, and the specific order, structure, and the like of the present invention may be changed within the scope that the object of the present invention can be achieved.
[ variant of quilt cover ]
For example, the laminated body 2 may be configured such that the 1 st protective film 22 or the 2 nd protective film 23 is disposed only on one surface of the plate-like base 21, or such that the 1 st protective film 22 or the 2 nd protective film 23 is disposed only on both surfaces of the plate-like base 21.
In the present modification or the above embodiment, the laminate 2 constituting the packaged body may be one.
The contact suppressing member 3 may be disposed only between the upper laminate 2 and the protective plate 4 or between the lower laminate 2 and the protective plate 4, or the contact suppressing member 3 may not be disposed at all.
The contact suppressing member 3 may be disposed between the plate-like base 21 and the plate-like base 21, or between the 1 st protective film 22 or the 2 nd protective film 23 and the plate-like base 21.
The corners of the protection plate 4 may be curved in a plan view, and the entire shape of the protection plate 4 may not be octagonal as long as they are obtuse. In this case, the corner of the protection plate 4 can be prevented from being damaged or the bag 11 can be cut.
The corner of the protection plate 4 may be at a right angle or an acute angle in a plan view, and in this case, the receiving member in contact with the protection plate 4 is preferably configured not to be damaged or cut by the contact.
The protective plate 4 of at least one of the pair of protective plates 4 may be formed of a non-deformable material, and may not have a corrugated structure.
The protective plate 4 may be positioned such that the angle between the ridge line direction and the longitudinal direction of the band 51 is 90 °, and in this case, it is preferable to have a structure that does not break when the protective plate 4 is deflected in the ridge line direction.
In addition, when the plate-like base 21 is bent, as shown in fig. 8, the protection plate 4 may have a shape bent along the shape of the laminated body 2. In this way, the displacement of the plate-like base 21 can be more effectively suppressed. Such a protective plate 4 can be produced by molding a foamed resin sheet, for example.
The end of the protection plate 4 may also be bendable. As shown in fig. 9, by bending the end portion of the protection plate 4, contact between the plate-like base 21 and the bag body 11 can be further suppressed. In this case, it is preferable that the end portion of the protection plate 4 is not bent when the plate-like base 21 is placed, but the end portion of the protection plate 4 is bent after the plate-like base 21 is placed. When the plate-like base 21 is placed, the side surface portion of the laminate 2 is held, and the main surface of the laminate 2 is preferably held by suction or clamping due to the rolling or friction of the protective film 22. In this case, the stacked body 2 can be stacked in the lateral direction when the plate-like base 21 is placed. Further, after the plate-like base 21 is placed, if the end portions of the protection plates 4 are bent for the purpose of protecting the side surface portions of the laminated body 2, adhesion of particles to the plate-like base 21 can be further suppressed.
The 1 st rubber band 5A or the 2 nd rubber band 5B can not be hung around, and the other rubber band can be further hung around the 1 st rubber band 5A and the 2 nd rubber band 5B.
The fastening band 50 is constituted by a fastening band having the band portion 51 and the buckle 52, but may be constituted by a band-like or string-like winding member, and both end portions of the winding member may be connected to each other, bonded to each other, fused to each other, or the like and fixed.
Adhesive tape may also be used as the fixing member.
[ variant of the bag body ]
The packaged body 1 stored in the bag 11 is stored in the case 12, but may not be stored in the case 12, and in this case, the weight and cost of the package can be reduced.
Even in this case, the friction between the bag 11 and the 1 st and 2 nd protective films 22 and 23 can be suppressed by the protective plate 4, and particles generated by the friction can be prevented from adhering to the plate-like base 21. The bag 11 may be formed by winding a sheet member made of resin, paper, or cloth around the packed body 1.
The packaged body 1 may be directly stored in the case 12 without being stored in the bag 11, and in this case, the case 12 corresponds to the storing means of the present invention.
[ other variations ]
< plate-like substrate >)
The application of the plate-like substrate of the present invention is not particularly limited. Specific examples thereof include a transparent member for a vehicle (a headlight cover, a rear view mirror, a front transparent substrate, a side transparent substrate, a rear transparent substrate, an instrument panel surface, etc.), a gauge, a building window, a showcase, a built-in member for a building, an exterior member for a building, a display (a notebook computer, a monitor, LCD, PDP, ELD, CRT, PDA, etc.), an LCD color filter, a substrate for a touch panel, a pickup lens, an optical lens, a spectacle lens, a camera member, a video camera member, a CCD cover substrate, an optical fiber end face, a projector member, a copier member, a transparent substrate for a solar cell (a cover glass, etc.), a cell phone window, a backlight unit member (a light guide plate, a cold cathode tube, etc.), a backlight unit member liquid crystal luminance enhancement film (a prism, a semi-transparent film, etc.), a liquid crystal luminance enhancement film, an organic EL light emitting element member, an inorganic EL light emitting element member, a phosphor light emitting element member, an optical filter, an end face of an optical member, an illumination lamp, a cover for an illumination device, an amplifying laser source, an antireflection film, a polarizing film, an agricultural film, etc.
The shape of the plate-like substrate is not particularly limited, and examples thereof include circular plates, elliptical plates, triangular and pentagonal polygonal plates, and the like.
Examples of the plate-like substrate include general glass plates such as soda lime glass, borosilicate glass, aluminosilicate glass, alkali-free glass, inorganic glass made of inorganic materials having various compositions, and transparent resin plates.
The material of the glass plate is preferably a glass material such as soda lime glass, quartz glass, crystal glass, or sapphire glass, and more preferably a high-transmission glass having a low iron content and less blue.
The material of the transparent resin sheet is preferably a resin material having high transparency, and examples thereof include polyester resins such as polycarbonate and polyethylene terephthalate, polyolefin resins such as polypropylene, polyvinyl chloride, acrylic resins, polyether sulfone, polyarylate, triacetylcellulose, polymethyl methacrylate, and the like.
The plate-like substrate is most preferably a glass plate in view of its high transparency, light resistance, heat resistance, low refractive index, high plane precision, surface scratch resistance, and high mechanical strength.
In order to improve the safety of the glass sheet, mechanical strength can be improved. In order to improve the mechanical strength of the glass sheet, the glass sheet is subjected to strengthening treatment in advance.
As the strengthening treatment, there may be mentioned physical strengthening in which a glass plate is exposed to high temperature and then air-cooled, or chemical strengthening in which a glass plate is immersed in a molten salt containing an alkali metal, and alkali metal (ions) having a small atomic diameter present on the outermost surface of the glass plate are replaced with alkali metal (ions) having a large atomic diameter present in the molten salt.
In particular, when a thin glass plate is used, a glass plate subjected to chemical strengthening (hereinafter, also referred to as "chemically strengthened glass") is preferably used.
The chemically strengthened glass as the plate-like substrate preferably satisfies the following conditions. That is, the surface compressive stress (hereinafter referred to as CS) of the glass substrate is preferably 400MPa to 1200MPa, more preferably 700MPa to 900 MPa. If CS is equal to or greater than the lower limit, the strength is sufficient for practical use.
If CS is equal to or less than the upper limit value, the compression stress of the CS itself can be tolerated, and there is no concern of natural destruction. When the plate-like substrate of the present invention is used as a front surface plate (cover glass) of a display device or the like, CS of the glass substrate is preferably 700MPa to 850 MPa.
The depth of stress value (hereinafter referred to as DOL) of the glass substrate is preferably 15 μm to 50. Mu.m, more preferably 20 μm to 40. Mu.m. If DOL is equal to or greater than the lower limit, there is no concern that DOL will be damaged and destroyed easily.
If DOL is equal to or less than the upper limit, the substrate itself can withstand compressive stress, and there is no concern of natural failure. In the case where the plate-like base body of the present invention is used as a front surface plate (cover glass) of a display device or the like, the DOL of the glass substrate is preferably 25 μm or more and 35 μm or less.
In addition, from the viewpoint of mechanical strength, sapphire glass is also preferable.
The shape of the plate-like substrate is generally smooth and rectangular. The shape of the plate-like substrate can be changed as desired according to the shape of the display panel of the display device, the design of the display device, the mounting position of the display device, and the like.
That is, the shape of the plate-like base is not limited to a smooth shape or a rectangular shape. For example, the glass may be a printed board glass having irregularities on the surface, or may be a polygonal shape, a circular shape, or an elliptical shape. In addition, the glass may be not only flat glass but also glass having a curved shape.
The size of the plate-like substrate is appropriately determined according to the size of the display panel and the application of the display device. For example, when used as a cover glass for a mobile device, the cover glass has a size of 30mm×50mm to 300mm×400mm, and a thickness of 0.1mm to 2.5mm, and when used as a display device such as a display device, a car navigation device, a console panel, or an instrument panel, the cover glass preferably has a size of 50mm×100mm to 2000mm×1500mm, and a thickness of 0.5mm to 4 mm.
The thickness of the plate-like substrate is not particularly limited, and glass having a thickness of 10mm or less can be used. In the case of a glass plate, the thickness is usually about 0.1mm to 6mm from the viewpoints of mechanical strength, transparency, and the like. In particular, in the case of use in a vehicle-mounted display device, since safety is required for the plate-like substrate, the thickness is preferably 0.2mm to 2mm from the viewpoint of mechanical strength.
In the case of using chemically strengthened glass, the thickness of the glass substrate is preferably usually 5mm or less, more preferably 3mm or less, in order to effectively perform the chemical strengthening treatment. In the case of a transparent resin sheet, it is preferably 2mm to 10 mm.
Since the light absorption is suppressed to be lower as the thickness is smaller, the glass plate is preferably used from the point of improving visibility and transparency. The plate-like substrate is not limited to a single layer structure composed of a single layer, and may be a multilayer structure composed of a plurality of layers such as laminated glass.
< protective film >)
In the manufacturing process and product transportation, the 1 st protective film is stuck to the plate-like substrate to protect the plate-like substrate in order to protect the display panel assembled to the display device.
When the display device is used, the 1 st protective film is peeled off from the plate-like substrate to be used.
One of the surfaces of the protective film has a layer having adhesion. The adhesive force may be an adhesive force, van der waals force, electrostatic force, or the like, but from the viewpoint of releasability from a plate-like substrate and cost, the adhesive force is preferable, and the protective film preferably has an adhesive layer.
By adjusting the adhesive force of the adhesive forming the 1 st adhesive layer, it is possible to suppress the adhesive from remaining on at least a part of the outermost surface (1 st main surface, or the antireflection layer, or the contamination prevention layer, or other functional layer) of the plate-like substrate, and to suppress peeling of at least a part of the antireflection layer or the contamination prevention layer.
In order to improve the ease of peeling the protective film, the 1 st protective film can be easily peeled from the 2 nd protective film or the plate-like substrate by providing a portion where the adhesive layer is not formed on at least a part of the outer peripheral edge of the protective film. Further, the tab portion formed for the purpose of facilitating the peeling described above may be protruded at the outer peripheral portion within a range not impairing the operability.
In the case of bonding the plate-like substrate having the antireflection layer and the contamination preventing layer to the protective film, the bonding may be performed manually, but from the viewpoint of manufacturing efficiency, a method of bonding the protective film supplied as a roll-like wound product using a rubber roll or the like, a method of cutting the protective film in advance so as to conform to the size of the plate-like substrate as a single film, and then bonding the film by a label applicator or a seal applicator is preferable.
< film matrix >)
The film substrate is not particularly limited as long as it is a resin sheet-like film substrate. The film base may have a single-layer structure or a multilayer structure in which a plurality of layers such as an antistatic layer, a hard coat layer, and an easy-to-adhere layer are laminated. In order to prevent forgetting to peel the protective film from the plate-like substrate, a seal may be applied to a part or the entire surface of the film substrate.
Examples of the film substrate include polyester films such as polyethylene terephthalate, polyethylene films, polyolefin films such as polypropylene, and polyvinyl chloride films. Among them, polyester films are preferred from the points of adhesion to the adhesive layer, durability and optical properties.
The thickness of the film base is not particularly limited either. The thickness of the film base is preferably 5 μm or more and 100 μm or less, and more preferably 15 μm or more and 75 μm or less, since the film base is easily flexible and easily peeled off at the time of peeling. If the particle size is less than 5 μm, the plate-like substrate may not be sufficiently protected, and if the particle size exceeds 100 μm, the cost may be increased.
< adhesive layer >)
The adhesive of the adhesive layer preferably has the following adhesion degree: when the protective film is peeled off from the plate-like substrate, it is difficult for the adhesive to remain on at least a part of the outermost surface of the plate-like substrate. The adhesive of the adhesive layer preferably has the following adhesion degree: when the protective film is peeled off from the plate-like substrate, peeling of at least a part of the antireflection layer or the contamination prevention layer is suppressed.
As such an adhesive, an acrylic adhesive, a polyurethane adhesive, or the like is preferably used from the viewpoints of adhesion and releasability.
If the adhesive force of the adhesive layer is 0.01N/10mm or more, the adhesive is uniformly adhered to the outermost surface of the plate-like substrate, so that the adhesive layer is uniformly adhered to the antireflection layer and the contamination prevention layer. In addition, there is no concern that the function as the protective film is impaired by peeling off the protective film from the plate-like substrate during conveyance.
If the adhesive force of the adhesive layer is 0.3N/10mm or less, the adhesive force of the adhesive layer is moderate, and there is no concern that: when the protective film is peeled, defects such as degradation in visibility and contamination are generated due to excessive peeling of at least a part of the antireflection layer or the contamination prevention layer, and the adhesive remaining on at least a part of the outermost surface of the plate-like substrate.
[ example ]
Embodiments of the present invention are described. Examples 1 to 5 are examples, and example 6 is a comparative example. The present invention is not limited to the following examples.
[ production of package ]
[ example 1 ]
As a plate-like substrate, a chemically strengthened glass (non-strengthened dragantrail (registered trademark), manufactured by asahi corporation (expressed as "DT" in table 1)) having a thickness of 1.3mm and a plan view size of 120mm×280mm was prepared.
As the 1 st protective film, a protective film of type A (model RP-207, manufactured by Nito electric company, inc.) composed of a film base composed of PET having a size of 118mm X278 mm in plan view and an adhesive layer was prepared.
As the 2 nd protective film, a protective film of type a was prepared in which the film base had a size of 125mm×285mm in plan view. The coefficient of static friction of the protective films with each other was 0.08.
As the contact suppressing member, miramat (registered trademark) as a high-foaming polyethylene sheet was prepared. The static friction coefficient of the contact suppressing member and the protective film was 0.6.
As the protective plate, a protective plate of type a (antistatic plastic corrugated plate) formed of plastic and having the same octagonal plate shape as the above embodiment is prepared. The protective plate has dimensions of 170mm×330mm in plan view. The protective plate has a corrugated plate structure in which liner plates are provided on both sides of a central core, and the thickness of the whole is 3mm. The flexural modulus of elasticity was 35N/cm.
As the fixing member, the same rubber band as in the above embodiment (rubber band #180 manufactured by co-ltd) was prepared.
As the receiving member, a folded bag made of ethylene (Plus Packing System co., ltd., folded PE bag) was prepared.
First, the 1 st and 2 nd protective films are laminated on the 1 st and 2 nd main surfaces of the plate-like base body to form a laminate. At this time, the outer edge of the 1 st film base of the 1 st protective film was located 1mm inside the outer edge of the plate-like base, the 2 nd protective film was extended 2.5mm outside the plate-like base in the entire outer peripheral direction thereof, and the end regions of the two protective films were made into a laminate so as not to be in close contact with each other (so as not to protect the end faces of the plate-like base). The tab was attached to the 1 st film so as to extend 1mm outward from the plate-like base.
Next, after the contact suppressing member was mounted on the protective plate, 25 stacks and the contact suppressing member were mounted in this order. The protective plate is placed on the uppermost contact suppressing member. At this time, the centers of the protective plate, the contact suppressing member, and the laminate are superimposed in a plan view. In addition, the protective plate protrudes outward by 25mm with respect to the plate-like base body in the entire peripheral direction thereof.
Then, the 1 st rubber band (rubber ring #180 manufactured by co-ordinates) was hung around the center of the long side of the protection plate in the short side direction, and the 2 nd rubber band (rubber ring #270 manufactured by co-ordinates) was hung around the center of the short side of the protection plate in the long side direction. The tension of the 1 st elastic band at this time was 12N, and the tension of the 2 nd elastic band was 11N.
Then, the packed body produced as described above is accommodated in a folding bag to produce a package. In this case, the folded bag is arranged substantially linearly between the outer edges of the upper and lower protection plates when viewed from the side.
[ example 2 ]
As the protective plate, a type B protective plate (Mitsui Chemicals TOHCELLO co., ltd. Brand name of polypropylene triplex foam sheet: paylow (registered trademark)) was used, and the number of rubber bands (rubber ring #180 made by co., ltd.) was two, and the two rubber bands were wound around the protective plate, the contact suppressing member, and the laminate such that the long side direction thereof was parallel to the short side direction of the protective plate and spaced 50mm apart. The tension of each elastic band at this time was 12N.
The material of the protective plate of type B is a polypropylene (PP) triple foam sheet, the shape of the protective plate in a top view is dodecagon, and the size of the protective plate is 170mm multiplied by 330mm. The flexural modulus of elasticity was 300N/cm. The thickness of the whole protective plate is 5mm.
The packed body thus produced was housed in a folding bag under the same conditions as in example 1 to produce a package.
[ example 3 ]
A type B protective film (model RB-100S manufactured by Nito electric company) having a film base composed of PE was used as the 1 st protective film of the plate-like base, and a type C protective plate having the same material as that of the type A but a thickness of 2mm was used as the protective plate. The flexural modulus of elasticity was 12N/cm. As the fixing member, a fastening tape having a tape portion made of polypropylene was used. The static friction coefficient of the protective film and the contact suppressing member was 0.3.
The protective film of type B had dimensions of 154mm×284mm in plan view.
The shape of the protective plate of type C in plan view is a rectangle having an R portion of 10mm, and the dimensions are 170mm×330mm.
Then, first, 2 fastening tapes were arranged at 50mm intervals, and the same number of protective plates, contact suppressing members, and laminated bodies as in example 1 were placed thereon in the same manner as in example 1. At this time, the center between the 2 fastening tapes was overlapped with the center of the laminate, and the angle formed by the ridge line direction of the center core of the protective plate and the long side direction of the tape portion was 0 °.
Thereafter, both ends of the band portion are fixed to the upper protection plate by buckles, and the end portion of the band portion on the side where the buckles are not provided is pulled, thereby fastening the protection plate, the contact suppressing member, and the laminate. At this time, the tension of each fastening band was set to 20N, and the protective plate, the contact suppressing member, and the protective film were deflected along the outer edge of the plate-like base.
The packed body thus produced was housed in a folding bag under the same conditions as in example 1 to produce a package.
[ example 4 ]
As the plate-like base body, DT having a size of 280mm×140mm in plan view and uniformly concavely curved in the short side direction with a radius of curvature of 1000mm was used. As the 1 st protective film, a type a protective film was used, and the size was 284mm×144mm in plan view. Except for this, a package was produced under the same conditions as in example 1. The packed body was housed in a folding bag under the same conditions as in example 1, to prepare a package.
[ example 5 ]
A package was produced under the same conditions as in example 1 except that the fixing member was 1 rubber band (rubber band #270 manufactured by co-ltd.) and was wound around the center portion of the short side of the protective plate in the longitudinal direction. The tension of the elastic band at this time was 7N. The packed body was housed in a folding bag under the same conditions as in example 1, to prepare a package.
[ example 6 ]
Instead of using a protective plate and a fixing member, a package was produced having only 26 contact suppressing members and 25 stacked layers in the same manner as in example 1. The packed body was then contained in the same folding bag as in example 1 to prepare a package.
[ Table 1 ]
[ evaluation ]
[ evaluation of particles ]
The bale of example 1 was placed on a trolley and moved over the asphalt floor for 20 minutes. Then, the package was taken out from the bellows bag, and green light was irradiated to the end surfaces of the 25 plate-like substrates, and whether or not particles generated by friction between the bellows bag and the protective film were attached to the end surfaces of the plate-like substrates was confirmed by visual observation. The same evaluation was also performed for the bales of examples 2 to 6.
As shown in table 1, in the cases of examples 1 to 5 in which the laminated body was arranged between the pair of protection plates, particles were not attached to the end faces of all the plate-like substrates (evaluation a), but in the case of example 6 in which the pair of protection plates was not used, there was a plate-like substrate having particles attached to the end faces (evaluation C).
The reason for the evaluation of a in examples 1 to 5 is considered as follows: a gap is formed between the bellows and the protective film due to the pair of protective plates, so that friction between the bellows and the protective film is suppressed so that particles are not generated. On the other hand, the reason for evaluating C in example 6 is considered as: since there is no pair of protective plates, the bellows and the protective films generate particles due to friction, and the generated particles pass between the pair of protective films to reach the plate-like base body.
From the above, it can be confirmed that: by sandwiching the laminate between the pair of protection plates and positioning the entire outer edges of the pair of protection plates outside the outer edges of the laminate, friction between the bellows and the protection film can be suppressed, and adhesion of particles generated by the friction to the plate-like substrate can be suppressed.
[ evaluation of vibration resistance ]
The packed body of example 1 was placed on a cart and moved on the asphalt floor for 20 minutes, and then the packed body was taken out of the folding bag to confirm the arrangement of the plate-like substrates. As shown in fig. 10, the arrangement state was evaluated by using the offset a between the outer edge of the plate-like base 21 positioned on the center side of the most protection plate 4 and the outer edge of the plate-like base 21 positioned on the outer edge side of the most protection plate, and the package having the offset a of 10mm or more was regarded as having no vibration resistance (evaluation C), and the package having the offset a of less than 10mm was regarded as having vibration resistance (evaluation a).
The same evaluation was performed for examples 2 to 6.
As shown in table 1, the package of examples 1 to 4, in which the total tension of the fixing members was 23N or more, was evaluated as a, but the package of example 5, in which the total tension of the fixing members was 7N or less, and example 6, in which the fixing members were not used, was evaluated as C.
As is clear from this, when the total tension of the fixing members is 20N or more, the substrate shift due to the vibration during the conveyance is further reduced.
In the same evaluation of a, the offset amounts of example 1 and example 3 were also particularly small. In example 3, this is presumed to be because the tension is sufficiently high. In example 1, this is presumed to be because of the cross-wrapping, and thus, it is difficult to move in all four directions. In consideration of the ease of winding, it is found that example 1 can most effectively suppress the particle and the substrate from being displaced.
While the present application has been described in detail with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.
The present application is based on japanese patent applications 2018-222190, filed on 11/28/2018, and japanese patent applications 2019-152535 filed on 8/23/2019, the contents of which are incorporated herein by reference.
Claims (11)
1. A packed body which is accommodated in the accommodating component,
the packed body is characterized by comprising:
a laminate having a plate-like base and a protective film disposed on at least one of a pair of main surfaces of the plate-like base; and
A pair of protection plates disposed so as to sandwich the laminate from both sides of the pair of main surfaces,
at least a part of the outer edge of the protective film is located outside the outer edge of the plate-like base,
the outer edges of the pair of protection plates are positioned entirely outside the outer edges of the laminate,
the protective plate comprises a fixing member for fixing the pair of protective plates to the laminated body,
the fixing member includes a band-shaped, or string-shaped, or ring-shaped winding member wound around the laminate and the pair of protection plates,
at least one of the pair of protection plates is deformed by a winding force of the winding member,
the bending elastic modulus of each of the pair of protection plates is 5N/cm to 500N/cm, the thickness of each of the pair of protection plates is 2mm to 5mm,
the total tension of the fixing members is 10N to 80N,
the outside of the fixing member is not provided with a pressing mechanism.
2. The wrapped body according to claim 1, wherein,
the at least one protective plate has a corrugated plate structure including a corrugated plate-like center core and a backing plate provided on at least one surface of the center core,
The winding member is wound so that an angle between a longitudinal direction of the winding member and a ridge line direction of the center is 0 DEG or more and 30 DEG or less.
3. The wrapped body according to claim 1, wherein,
the at least one protective plate has a corrugated plate structure including a corrugated plate-like center core and a backing plate provided on at least one surface of the center core,
a 1 st winding member and a 2 nd winding member are wound around the laminate and the pair of protection plates,
the 1 st winding member is wound so that an angle between a longitudinal direction of the winding member and a ridge line direction of the center core is 0 DEG to 30 DEG,
the 2 nd winding member is wound so that an angle formed between a longitudinal direction of the 2 nd winding member and a longitudinal direction of the 1 st winding member is 50 DEG to 90 deg.
4. A bound package according to any one of claims 1 to 3, wherein,
the corners of the pair of protection plates are formed to be obtuse angles or curved when viewed from the main surface side of the plate-like base.
5. The bound package of any one of claims 1 to 4 wherein,
the contact suppressing member is provided between the laminated body and the pair of protection plates.
6. The wrapped body according to claim 5, wherein,
the contact suppressing member has a function of suppressing sliding between members in contact with the contact suppressing member,
the contact suppressing member is provided between the laminated bodies.
7. The bound package of any one of claims 1 to 6 wherein,
protective films are respectively arranged on two main surfaces of the plate-shaped substrate,
at least a part of an end region of one of the protective films located outside an outer edge of the plate-like base body is not in contact with an end region of the other protective film.
8. The bound package according to any one of claims 1 to 7, wherein,
the plate-shaped substrate is glass.
9. The wrapped body according to claim 8, wherein,
the glass is reinforced glass.
10. A packaging body, comprising:
a quilt package according to any one of claims 1 to 9; and
and a housing member for housing the package.
11. The package of claim 10, wherein the package,
the receiving member is a resin bag.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-222190 | 2018-11-28 | ||
| JP2018222190 | 2018-11-28 | ||
| JP2019-152535 | 2019-08-23 | ||
| JP2019152535A JP7434752B2 (en) | 2018-11-28 | 2019-08-23 | Packed object and packaged object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111232430A CN111232430A (en) | 2020-06-05 |
| CN111232430B true CN111232430B (en) | 2023-09-19 |
Family
ID=70872711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911188897.4A Active CN111232430B (en) | 2018-11-28 | 2019-11-28 | Packaged body and packaged body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111232430B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115092531B (en) * | 2022-07-13 | 2023-07-18 | 业成科技（成都）有限公司 | Optical film assembly and optical film storage method |
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