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US20070017841A1 - Restraining dense packaging system for LCD glass sheets - Google Patents

Restraining dense packaging system for LCD glass sheets Download PDF

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Publication number
US20070017841A1
US20070017841A1 US11/187,339 US18733905A US2007017841A1 US 20070017841 A1 US20070017841 A1 US 20070017841A1 US 18733905 A US18733905 A US 18733905A US 2007017841 A1 US2007017841 A1 US 2007017841A1
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US
United States
Prior art keywords
container
glass
container according
glass sheets
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/187,339
Other languages
English (en)
Inventor
Stephen Mix
Patrick Parks
Harry Menegus
Alexander Robinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Inc
Original Assignee
Corning Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corning Inc filed Critical Corning Inc
Priority to US11/187,339 priority Critical patent/US20070017841A1/en
Assigned to CORNING INCORPORATED reassignment CORNING INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PARKS, PATRICK AARON, MIX, STEPHEN WILLIAM, MENEGUS, HARRY E., ROBINSON, ALEXANDER LAMAR
Priority to JP2008523019A priority patent/JP5249027B2/ja
Priority to CNA2006800266884A priority patent/CN101228080A/zh
Priority to PCT/US2006/028541 priority patent/WO2007014096A2/en
Priority to EP20060788226 priority patent/EP1910191A2/en
Priority to CN201210576512.3A priority patent/CN103043320B/zh
Priority to TW95127044A priority patent/TWI361299B/zh
Publication of US20070017841A1 publication Critical patent/US20070017841A1/en
Priority to KR1020087004361A priority patent/KR101267668B1/ko
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D71/0088—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D71/0092—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/062—Easels, stands or shelves, e.g. castor-shelves, supporting means on vehicles
    • 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
    • B65D2571/00—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, pop bottles; Bales of material
    • B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00043—Intermediate plates or the like
    • B65D2571/00049—Intermediate plates or the like placed vertically
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
    • B65D2585/6845—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles other household devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present invention relates generally to packaging, and particularly to packaging for large size display substrates, such as a stack of glass sheets.
  • glass sheets when glass sheets are transported, for example, to a Liquid Crystal Display manufacturing plant, to a Thin Film Transistor (TFT) manufacturer or to a Color Filter (CF) maker, the glass sheets are typically placed in a crate or a square box with removable side panels at a glass sheet manufacturing plant typically with protective plastic films or other separating materials being disposed on either side of each glass sheet before transportation.
  • TFT Thin Film Transistor
  • CF Color Filter
  • the glass sheets are undesirably susceptible to contamination during transportation, since the crates or boxes are also poor in weatherability, often requiring over-pack (e.g. a box within a box).
  • the delivered glass sheets are manufactured into substrates for liquid crystal panels, after uncrating the glass sheets, removing the protective films or separating materials disposed on either side of each glass sheet, and cleaning the glass sheets.
  • a cleaning process for removing adherents such as a residual adhesive remaining on the glass sheet after removing the adhesive protective films and contaminants which are attached on the glass sheets in the course of the transportation, typically takes a long time.
  • non-adhesive materials such as polyethylene or polymeric films, if used, may leave some residual organic materials which must also be washed off with a detergent or other like wash; however, these non-adhesive residuals are typically not as difficult to clean off or as time consuming as residuals left behind by adhesives.
  • Prior art Japanese Patent Application Number P2000-142856A entitled Glass-Plate Storage Method, filed on Nov. 13, 1998 by Nippon Electric Glass Co. Ltd. and published on May 23, 2000 provides a glass-plate storage method for high storage efficiency for storing a plurality of glass plates is obtained through interposing interleaving papers in the spaces between, and essentially separating the glass-plate surfaces, thereby reducing the degree of contamination and marring of the glass-plate surface.
  • Japanese Patent Application No. 2000-203679 entitled Glass Panel Storage Method, filed on Nov. 12, 1999 by Nippon Electric Glass Co. Ltd. provides a glass panel storage method with which even when glass panels are used as the substrate material for flat display panels to be stored, separating members are interposed only at the surface edges of the glass panels. Thus, there is no contamination of the effective surface and storage efficiency is achieved.
  • U.S. Pat. No. 6,527,120 entitled “Containers for Packaging Glass Substrates”, granted on Mar. 4, 2003 provides packaging for flexible LCD substrates where the containers include arc-shaped grooves which apply an elastic strain to the substrates reducing damage to the substrates during transport.
  • Dense packaging has been proven as a viable delivery model, however, as substrate sizes become even larger, such as with Gen 7 and beyond, new challenges arise for dense packaging, particularly around size and weight of the container components, which become even more unwieldy for operators to handle, as well as transportation constraint issues, for instance, transporting containers through standard size doors, available sizes of shipping containers and standard trucks.
  • a new approach is needed that preferably overcomes the disadvantages of any of the prior art solutions above while still providing safe, high density and cost-effective transportation of large glass sheets and reduced time necessary for glass sheet cleaning process after transportation.
  • a new approach is also needed to address the difficulties arising from the ever increasing glass sheet and container size and the need for making such a container alternatively ‘automation compatible’ in both the LCD glass manufacturer's packaging operation as well as in the glass user's unpacking operation.
  • a new approach is needed that leverages features of a manual or automation compatible packaging system towards allowing for a fully automated container system when desired.
  • One aspect of the present invention includes a container for packaging and transporting one or more glass sheets
  • the container includes a frame having a pallet with a base, a cover secured to the pallet such that said one or more glass sheets is sealably covered therewith, a support panel and seat provided with cushioning members, and restraining means for controllably and adjustably retaining said one or more glass sheets with respect to the support panel of the pallet.
  • the restraining means further includes one or more retaining bars moving towards and away from the front of the one or more glass sheets and a mechanical system for moving said one or more retaining bars.
  • the restraining means is preferably integrated into said cover. Further aspects of the restraining means include a pressing panel coupled with the retaining bars.
  • the mechanical system includes a plurality of belts and belt restraint devices.
  • restraining means further includes at least one scissor-like mechanical system coupled to the one or more retaining bars or a plurality of mechanical positioning devices coupled to the one or more retaining bars.
  • the mechanical system is integrated with the frame and includes a retaining bar pulling system. The inventive aspects of the restraining means can be operated manually or automatically.
  • the cover is sealably affixed to the frame via a gasket seal.
  • pressing panel is removable.
  • the one or more glass sheets are stacked with no spacing in between.
  • non-scratching interleaf materials are positioned between the glass sheets.
  • the interleaf materials further include non-adhesive plastic films attached on either side of each glass sheet and a paper sheet is disposed between each of the adjacent plastic films.
  • FIG. 1 is a perspective view of the entire container configuration thereof in accordance with a preferred embodiment of the invention.
  • FIG. 2 is a side view of the container shown in FIG. 1 .
  • FIG. 3 is a rear view of the container shown in FIG. 1 .
  • FIG. 4 is a side view of the container shown in FIG. 1 , with a cover thereof being removed.
  • FIG. 5 is a front view of the container shown in FIG. 1 , with the cover thereof being removed.
  • FIG. 6 is a schematic cross-sectional view of a glass sheet stack in accordance with a preferred embodiment of the present invention.
  • FIG. 7 is a front view of a container with a restraint system integrated into the cover in accordance with a still further alternate preferred embodiment of the invention.
  • FIG. 8 is a back view of the configuration shown in FIG. 7 showing the container cover having an internal scissor restraint system.
  • FIG. 9 is a top view of the configuration in FIGS. 7 and 8 showing the unexpanded internal scissor restraint system.
  • FIG. 10 is a top view of the configuration in FIGS. 7 and 8 showing the expanded internal scissor restraint system.
  • FIG. 11 is a front view of the container with a retaining bar integrated into the cover in accordance with a still further preferred embodiment of the invention.
  • FIG. 12 is a side view of the configuration in FIG. 11 .
  • FIG. 13 is a rear view of the configuration in FIG. 11 .
  • FIG. 14 is a rear view of the container with a retaining bar integrated into the cover in accordance with a still yet further preferred embodiment of the invention.
  • FIG. 15 is a side view of the configuration in FIG. 14 .
  • FIG. 16 is a side view of the configuration in FIG. 14 showing a preferred retraction mechanism.
  • FIG. 17 is an inside view of the configuration in FIG. 14 showing preferred attachment points.
  • the present invention restraining packaging system overcomes prior art problems with a high-density packing system wherein glass can be easily packaged by a manufacturing company and unloaded with ease by customers while also reducing container space requirements by a factor of 10 ⁇ -20 ⁇ for an equivalent quantity of glass, as well as improving overall logistics due to the reduced numbers of containers required for an equivalent number of glass sheets.
  • the invention also provides for controllable and repeatable retention of the glass suitable for a multiplicity of transportation environments.
  • dense packing of the LCD substrates allows substantially more glass to be packaged in a given container, requiring less container packages, and hence, less storage space for those packages.
  • the typical spacing for prior art L-supporters is approximately 20 mm for a Gen 5 substrate (one container typically being capable of holding about 20 sheets of glass).
  • a dense pack has substantially no spacing with only the thickness of the two layers of film and paper between the glass sheets, these thicknesses typically being less than 200 microns (0.2 mm).
  • FIGS. 1 to 5 show the general configuration of a container according to a first preferred embodiment of the present invention.
  • FIG. 1 is a perspective view of the preferred container with the cover on;
  • FIG. 2 is a side view;
  • FIG. 3 is a rear view of the container.
  • FIG. 4 is a side view of the container with a cover thereof being removed, and
  • FIG. 5 is a front view of the container shown in FIG. 4 .
  • a container which is designated generally throughout this specification by the reference numeral 100 includes a pallet 110 (preferably metal) which can be loaded on and lifted by a forklift truck, and a cover 130 preferably made of a laminated aluminum polymer composite, a metal, a high strength polymer or a metal/polymer laminate or other composite material to be positioned over a stack of glass sheets 120 supported on the pallet 110 such that a seal is produced in the container (see description infra with respect to FIG. 5 ).
  • the container preferably has no paint on it and as such, is not susceptible to flaking or chipping.
  • the weatherproof cover 130 which sealingly covers the glass sheet stack 120 from the front thereof, is preferably constructed from an aluminum frame, such as square tubing or extrusions, and an aluminum composite panel, and formed in the shape of box that is open backward and downward using a front panel 131 which may include one or more sections, a top panel 132 , and side panels 133 a , 133 b ( 133 a shown).
  • a plurality of handles 134 is provided on the front panel 131 and a handle 135 , such as a grip recess or recessed handle, is provided on each of the side panels 133 a , 133 b .
  • the edges of the cover 130 are disposed in intimate contact with the corresponding portions of the pallet 110 and support panel 112 via a gasket seal 112 a .
  • the cover 130 is releasably mounted on the pallet 110 with a simple operation by means of clamping members 136 , which are provided, preferably two on each side of the support panel 112 , in a manner spaced along the rear edges of the side plates 133 a , 133 b and the opposite ends of the support panel 112 .
  • the cover 130 preferably includes four wheels (not shown) at its bottom corners, one for each corner, such that mounting and dismounting of the cover 130 to and from a pallet 110 is facilitated.
  • the wheels can either be internal or external to the cover 130 .
  • the pallet 110 which is preferably made of a stainless steel material, includes a substantially flat bottom base allowing for highly-flexible conveyance by conveyors employing rollers, chains, walking-beams, or like methods and including entry slots 111 a which can receive a fork of a forklift truck from the front (shown) or from the rear or from any of the sides (not shown); a support panel 112 , inclined backward about 18 degrees or more as shown in FIG. 4 and secured on the pallet 110 ; a bottom glass support seat 113 which is secured on the pallet 110 ; and a cover sealing gasket 112 a which is adhesively attached around the perimeter of the support panel 112 and the pallet 110 and cover support 111 as shown in FIG. 4 .
  • the container 100 provides many advantages such that the container is robust and durable for long-term use, and the container can be returned, cleaned and reused repeatedly.
  • FIG. 2 shows a side view of the container 100 of FIG. 1 with the cover 130 placed on the container in accordance with the preferred embodiment of the present invention.
  • the side view of the container allows us to view additional structural elements.
  • four posts 115 are provided (one shown in FIG. 2 and also shown in FIGS. 1 and 4 ) so as to extend between the support panel 112 and the pallet 110 , whereby the support panel 112 is securely held on the pallet 110 while maintaining an inclined position.
  • Alternative equally effective embodiments may include a different number of posts 115 in any number of different configurations as a matter of design choice by one of skill in the art.
  • a belt take-up type restraining device 151 is shown which will be discussed in detail infra with respect to FIGS. 4 and 5 .
  • FIG. 3 is a rear view of the container shown in FIG. 1 in accordance with the preferred embodiment of the present invention showing the configuration of the four posts 115 that extend between frame 114 of the support panel 112 and the cover support 111 .
  • Four clamping members 136 are also shown in this view.
  • two restraining belt devices 151 are depicted in the rear view at the top part of the cover and will be discussed in further detail below.
  • FIG. 4 a side view of the container of the preferred embodiment of the present invention is shown with the cover 130 thereof removed to include cushioning members 116 , preferably made of EPDM rubber (a resilient elastomer based on ethylene-propylene-diene terpolymer) preferably with a hardness of about 60 on the Shore scale of hardness, are adhered on the support panel 112 and the seat 113 by means of a suitable adhesive.
  • cushioning members 116 preferably made of EPDM rubber (a resilient elastomer based on ethylene-propylene-diene terpolymer) preferably with a hardness of about 60 on the Shore scale of hardness, are adhered on the support panel 112 and the seat 113 by means of a suitable adhesive.
  • EPDM rubber a resilient elastomer based on ethylene-propylene-diene terpolymer
  • the glass sheet stack 120 is placed on the surface of the seat 113 via the cushioning member 116 and held in an inclined position by the pressing panel 440
  • a removable pressing panel 440 preferably made of light weight aluminum and having thereon the cushioning member 116 is in contact with the front surface of the glass sheet stack 120 which is disposed in an inclined position on the seat 113 of the pallet 110 and the support panel 112 .
  • a pair of leg standoffs 442 a , 442 b for supporting the pressing panel 440 on the seat 113 , is provided on the lower edge of a frame 441 (see FIG. 5 ) fixed around and on the front side of the pressing panel 440 .
  • Handles 443 a , 443 b (handle 443 a is shown in FIG. 4 and both handles shown in FIG. 5 ) are also provided on the frame 441 .
  • Vertical posts 460 protect the glass sheets from breaking when removing the cover. Different sizes of glass sheets within a given Generation family are accommodated in container 100 .
  • Pressing panel 440 preferably includes frame 441 , leg standoffs 442 a , 442 b , handles 443 a , 443 b , and vertical posts 460 .
  • the pressing panel 440 is restrained relative to the support panel 112 preferably by means of two belts 450 a and 450 b . More specifically, the belts 450 a , 450 b are attached to the lower part of the support panel 112 , one on each side of the support panel 112 . They then extend along the lower side surface of the glass sheet stack 120 , one on each side, in the frontward direction toward the pressing panel 440 , extending past the pressing panel 440 from the back side (the glass sheet stack 120 side) to the front side thereof, and then extending upwardly along the front surface of the pressing panel 440 .
  • the belts 450 a , 450 b again wrap around to the back side of the pressing panel 440 and extend toward the support panel 112 along the upper side surface of the glass sheet stack 120 , one on each side, in the backward direction toward the support panel 112 .
  • the belts 450 a , 450 b are releasably engaged on the back side of the support panel 112 , for example, preferably with winch-type belt take-up and tightening devices (belt restraining devices) 151 a , 151 b ( 151 b shown in FIG. 4 ) which enable the adjustment of the tightness of the belts.
  • the belts are preferably made of a high strength polymer strap material, such as polyester, nylon, or the like. A different number of belts and restraint devices may be desired depending on design effectiveness and choice.
  • the pressing panel 440 is easily removed from the glass stack 120 by releasing the belts 450 a , 450 b from the winch-type tightening devices 151 a , 151 b in order to permit access to the glass.
  • FIG. 5 depicts other elements previously described of the front view of the container 100 with the cover 130 thereof removed and the pressing panel 440 in position.
  • an preferred embodiment of the present invention shows, but is not be limited to, the use of non-scratching interleaf materials positioned between the glass sheets, such as papers or hybrids of paper or polymer, non-adhesive or even adhesive types of materials.
  • FIG. 6 is depicted as having a vertical orientation only for the convenience of illustration purposes as typically the glass stack 120 is inclined when placed in container 100 .
  • the glass sheet stack 120 herein is shown to include a plurality of glass substrate or glass sheets 621 , which are arranged such that a surface of each glass sheet is parallel to that of the glass sheet adjacent thereto; non-adhesive plastic films 622 , which are attached on either side or between the sheets to act as a protective interleaving material for preserving the pristine surface and for controlling moisture exposure of each glass sheet 621 ; and paper sheets 623 , each of which is disposed between each two adjacent plastic films 622 .
  • the upper edges of the paper sheets 623 project beyond the upper edge of the glass sheet 621 , and this facilitates removal of the paper sheets 623 after transportation and before the manufacturing process.
  • the upper edge of the films 622 may or may not project beyond the upper edge of the glass sheet 621 depending upon preference.
  • One implementation of the preferred embodiment is preferably constructed with dimensions of width 1600 mm by height 1600 mm by depth 970 mm.
  • the container 100 is enabled to accommodate up to 500 glass sheets 621 having dimensions extending to 1200 mm by 1300 mm with the long side of the sheet extending horizontally.
  • the present invention packaging system can be adapted easily to accommodate increases in glass size and container size.
  • the glass sheet stack 120 is disposed on the rigid metal pallet 110 , fixed in position by the pressing panel 440 and further sealingly covered with metal cover 130 , so that safe, high-density transportation of large glass sheets 621 , which hitherto had not been achievable, is enabled, resulting in significant reductions in transportation cost per glass sheet 621 .
  • the glass sheet stack 120 is transported in a sealed state, substantially reducing the risk of glass sheets 621 becoming contaminated during normal transportation. This, combined with the use of the non-adhesive protective films 622 attached on either side of the glass sheet 621 , contributes to significant reduction of the time required for the cleaning process prior to use of the glass sheet 621 .
  • the glass sheet stack 120 is held in the container 100 in an inclined position, so that the glass sheet stack 120 is kept stable and the introduction and extraction of the glass sheet stack 120 to and from the container is facilitated.
  • embodiments include entry slots 111 a , for receiving a fork of a forklift truck, provided in the metal pallet 110 , so that the container 100 containing therein the glass sheet stack 120 which contains substrates 621 , paper sheets 623 and films 622 , can be easily transported within a warehouse or storage facility and easily loaded onto a delivery vehicle or the like.
  • each of the cushioning members 116 is provided on the support panel 112 and the seat 113 and the pressing panel 116 (as shown in FIG. 4 ), so that there is no risk of damaging the glass substrates 621 , and absorbing vibrations which may occur during transportation.
  • the pressing panel 440 disposed in contact with the front surface of the glass sheet stack 120 , is restrained relative to the support panel 112 of the pallet 110 by means of the two belts 450 a , 450 b , so that there is no possibility that the glass sheet stack 120 moves during transportation.
  • the belt restraining devices 151 a and 151 b are provided, so that the container can flexibly accommodate variations in the quantity and size of the glass sheets 621 (as well as variation in the thickness of the glass sheet stack 120 ) and permit control over the retaining force applied to the surface of the glass.
  • a container 700 is shown to include some additional features beyond those depicted in FIGS. 1 to 6 .
  • These additional features pertain to an alternate glass restraint system primarily including a cover 710 with an integrated automated scissor restraint system 720 .
  • FIGS. 7 to 10 the many of the structural elements found in FIGS. 1 to 6 can be carried over to FIGS. 7 to 10 such as for instance, the general frame design, the mechanical principles of the restraint system, and the fundamental materials of construction described supra. It should be noted that certain features such as the belts and pressing panel have been eliminated from this alternate embodiment.
  • container cover 710 is depicted as transparent to better illustrate the integrated internal restraint system though preferably, it is made of the same materials as discussed above in conjunction with containers described in FIGS. 1 to 6 .
  • Transparent covers may be desirable to one of skill in the art for providing visibility into the cavity of the container and are fully contemplated for use in the instant invention as it would assist those utilizing the container in viewing how many glass sheets are packaged into a container.
  • FIG. 7 shows cover 710 in a final resting position where the cover 710 is fully covering the glass support area with the glass sheets inside.
  • the integrated automated scissor restraint system 720 has one primary feature, namely integrated scissors, which will be discussed in more detail below.
  • Cover 710 may include lifting attachments, not shown, to facilitate installation and removal of the cover.
  • FIG. 8 is a rear perspective view of the container 700 .
  • the novel features in system 720 preferably include restraint scissors 810 , restraint bars 815 , clamping members 820 (similar to clamping member 136 described supra) to latch/unlatch the cover, locking mechanism (not shown) to hold the restraint bars in position following application of a specified amount of glass restraint force.
  • the restraint bars 815 may be retracted from the glass allowing removal of the cover.
  • the restraint system 720 preferably incorporates a light-weight scissor-like mechanism 810 , which provides a wide range of motion, yet is simple in its approach.
  • Scissor mechanism 810 is preferably made of aluminum tubing or extrusion.
  • the restraint system 720 also incorporates restraint bars 815 , preferably made of aluminum tubing or extrusions, with the glass-facing surface including a cushion similar to that of the pressing panel 440 .
  • the restraint system 720 is also advantageous as it allows the container to accommodate a wide number of glass substrate requirements, ranging from 1 to N, where N represents the design count total for a given container.
  • the cover 710 when the cover 710 is installed on the main frame and touches the back of the support panel 730 , and after being affixed to the frame by the clamping members 820 , the integrated scissor-like mechanism 810 within the restraint system 720 operating from within the underside of the cover is activated and the “scissors” 810 begin to expand or open up.
  • the scissors 810 will open up until the restraint bar 815 touches upon the top surface of the glass sheet resting on top of the stack of glass sheets, thereby holding in or restraining the glass sheets. This provides stability regardless how full the container is, since the glass sheets are not free to move around within the container.
  • This embodiment accommodates the instance where there is only one sheet of glass as well as the instance where the container is filled to capacity, i.e. with N glass sheets, such that there is no room for more glass sheets to be added.
  • the scissors 810 would expand rather wide causing the restraint bar 815 to press up against the front surface of the forward-most glass sheet, as shown in FIG. 10 .
  • the scissors would not expand as widely before the restraint bar 815 presses up against the front surface of the forward-most glass sheet, as shown in FIG. 9 .
  • one or more scissor mechanisms 810 and one or more restraint bars 815 are contemplated by the present invention and would simply depend on design choice and effectiveness.
  • the mechanism utilized to operate the scissor-like mechanism can be applied automatically by a machine through an appropriate drive system, such as an electric motor or like device, or by a user via a simple mechanical crank or hand wheel for manual operation (not shown).
  • a mechanism has the ability to set and maintain (i.e. lock) a predetermined amount of restraint force to a single sheet of glass or to the full capacity of the container or to any intermediate quantities of glass sheets.
  • FIG. 11 another alternate preferred embodiment of the present invention is shown having a container 1100 including a crank or hand wheel 1110 designed onto the cover 1120 for use in operating the restraining system.
  • the crank 1110 would need manual operation. It is also contemplated by the present invention that the crank 1110 can be replaced with an interface for a tool or a robot to operate the system automatically.
  • counter-rotating right-angle gear boxes 1130 provided on the cover 1120 to translate rotary motion on vertical drive shafts 1140 to rotary motion on horizontal drive shafts 1141 and permit each side to rotate in opposite directions.
  • Four torque-limiting devices 1150 on horizontal drive shafts 1141 ensure that appropriate restraint force is applied to the glass stack inside the container 1100 .
  • locking devices 1160 on horizontal drive shafts 1141 secure the restraint after the appropriate force has been applied.
  • Mechanical positioning devices such as dove-tail linear positioning stages 1170 are shown at four corners of the horizontal drive shafts 1141 with lead-screws (not shown) and are provided as a means of translating the rotary motion of the drive shaft 1141 into linear motion of the integrated retaining bars (shown infra in FIG. 13 parallel to the glass) into the front of the glass stack.
  • the retaining bars are attached to the linear positioning stages 1170 at each end of the bar preferably in a horizontal orientation.
  • these stages 1170 include right-angle gear boxes 1180 for the interface to the horizontal drive shafts 1141 . Also shown in FIG. 12 is another right-angle gear box 1181 under the crank 1110 which translates the rotary motion from the crank 1110 to rotary motion on drive shafts 1140 and 1141 , respectively. Shaft support and coupling type devices are also included in the design.
  • Integrated retaining bar 1190 shown in FIG. 13 can move in and out from the inside front surface of the cover 1120 as required by the amount of glass sheets stacked in the container 1100 .
  • the retaining bar 1190 preferably incorporates cushioning material as discussed supra in conjunction with other embodiments (not shown).
  • Two retaining bars are shown in FIG. 13 near the top and bottom of the inside of the cover 1120 . Though two retaining bars 1190 are shown, the present invention contemplates the use of one or more retaining bars 1190 as needed for desired effectiveness.
  • These top and bottom retaining bars 1190 preferably operate independently from each other in accordance with the preferred embodiment of the present invention.
  • torque limiting devices 1150 allow each end of the retaining bar 1190 to operate independently. This resolves instances where the retaining bar 1190 and glass surfaces are not parallel to each other, which can be caused by fabrication tolerances of the cover and frame, as well as potentially from the glass packing process itself.
  • a restraint system similar to the more or less front-mounted system described in FIGS. 11-13 can also be mounted on the back of the frame, such as retaining bar pulling system 1410 as shown in FIG. 14 .
  • the system includes a gear box 1420 , torque limiting devices 1430 , lead screw devices or threaded shafts 1440 and drive shafts 1450 which rotate in the same direction.
  • the pulling system 1410 is connected to the retaining bar (which remains integrated to the cover, not shown in FIG. 14 ) via a detachable interface such as cable 1510 and hook 1520 as shown in FIG. 15 and further allowing for disconnection when there is a need for removal of the cover.
  • the attachment point for the retaining bar 1530 is also shown in FIG. 15 .
  • the back-mounted embodiment incorporates many of the nuances of the front-mounted system as described supra.
  • the cover in the back-mounted embodiment preferably includes a retaining bar retraction mechanism 1600 shown in FIG. 16 to retract the retaining bar 1610 to the inside front surface of the cover thereby facilitating removal and installation of the cover preferably including springs 1620 , cables 1630 , or similar means capable of providing automated retraction.
  • the attachment point 1640 of the retraction mechanism to the retaining bar is shown at the end of a cable 1630 and the attachment point of the back-mounted mechanical system to the retaining bar 1610 is shown at 1650 via cable 1510 and hook 1520 .
  • FIG. 17 provides an alternate inside view illustrating the above-mentioned attachment points 1640 and 1650 of both the retraction mechanism 1600 and the cable 1510 and hook 1520 apparatus to the retaining bar 1610 which is integrated into the cover as depicted.
  • a key advantage for the invention embodiments described herein is that the overall system design provides unrestricted access to the glass, which provides maximum flexibility for unloading the glass and removing the paper or other interleaving. Another key advantage is the ability to provide controllable and adjustable glass retention pressure to prevent the movement of glass during transportation.
  • FIGS. 1 to 17 allow for scalability up or down in size of glass sheets, accommodating different sizes of glass sheets within a defined range represented in a generation family, and maintaining the basic standards for glass orientation, such as inclined position, landscape orientation of the glass in the container, dust and weather resistant design construction, and the ability to pack as few as one (1) sheet of glass (without the use of dunnage or mechanical spacers to fill the gap between retainer and glass sheets) to as many as N glass sheets for high efficiency transportation and storage.
  • the container described herein is reusable and as such, a cost-effective approach to packaging and transportation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
  • Pallets (AREA)
US11/187,339 2005-07-22 2005-07-22 Restraining dense packaging system for LCD glass sheets Abandoned US20070017841A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US11/187,339 US20070017841A1 (en) 2005-07-22 2005-07-22 Restraining dense packaging system for LCD glass sheets
JP2008523019A JP5249027B2 (ja) 2005-07-22 2006-07-21 液晶ディスプレイガラスシート用高密度梱包システム
CNA2006800266884A CN101228080A (zh) 2005-07-22 2006-07-21 用于lcd玻璃板的约束密集封装系统
PCT/US2006/028541 WO2007014096A2 (en) 2005-07-22 2006-07-21 Restraining dense packaging system for lcd glass sheets
EP20060788226 EP1910191A2 (en) 2005-07-22 2006-07-21 Restraining dense packaging system for lcd glass sheets
CN201210576512.3A CN103043320B (zh) 2005-07-22 2006-07-21 用于lcd玻璃板的约束密集封装系统
TW95127044A TWI361299B (en) 2005-07-22 2006-07-22 Restraining dense packaging system for lcd glass sheets
KR1020087004361A KR101267668B1 (ko) 2005-07-22 2008-02-22 Ｌｃｄ 유리시트의 고밀도 구속 패키징 시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/187,339 US20070017841A1 (en) 2005-07-22 2005-07-22 Restraining dense packaging system for LCD glass sheets

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US20070017841A1 true US20070017841A1 (en) 2007-01-25

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US11/187,339 Abandoned US20070017841A1 (en) 2005-07-22 2005-07-22 Restraining dense packaging system for LCD glass sheets

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US (1) US20070017841A1 (zh)
EP (1) EP1910191A2 (zh)
JP (1) JP5249027B2 (zh)
KR (1) KR101267668B1 (zh)
CN (2) CN103043320B (zh)
TW (1) TWI361299B (zh)
WO (1) WO2007014096A2 (zh)

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US20080152453A1 (en) * 2006-12-21 2008-06-26 Stephen William Mix Container for packaging and transporting glass sheet(s)
US20090308774A1 (en) * 2006-06-27 2009-12-17 Corning Incorporated Methods for Proctecting Glass
WO2010058626A1 (ja) * 2008-11-20 2010-05-27 日本電気硝子株式会社 ガラス板梱包箱
US20110247914A1 (en) * 2008-10-02 2011-10-13 Grenzebach Maschinenbau Gmbh Method and device for loading a container with products comprising thin sheets of glass of a large surface area
WO2015057346A1 (en) * 2013-10-16 2015-04-23 Gtat Corporation Product cartridge for transporting product
CN113734560A (zh) * 2021-09-22 2021-12-03 广州市普丰科技有限公司 一种便于移动的玻璃运输固定架
TWI788357B (zh) * 2017-05-29 2023-01-01 日商Ａｇｃ股份有限公司 玻璃板捆包體之製造方法
CN118770733A (zh) * 2024-08-15 2024-10-15 彩虹（合肥）液晶玻璃有限公司 一种基板玻璃快速固定的a型架机构

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US8267249B2 (en) * 2009-03-16 2012-09-18 The Dial Corporation Forward leaning storage and dispensing box
CN103287750A (zh) * 2012-02-27 2013-09-11 苏州市嘉科精密机械有限公司 一种放置玻璃的装置
KR101617275B1 (ko) * 2013-05-28 2016-05-02 코닝정밀소재 주식회사 기판 반송용 박스
CN104417941B (zh) * 2013-09-06 2016-07-06 信义汽车玻璃(深圳)有限公司 玻璃包装箱和玻璃包装方法
CN105620945A (zh) * 2014-11-07 2016-06-01 青岛富润玻璃有限公司 一种上片机的除尘防黏连玻璃架
JP2022509601A (ja) * 2018-11-19 2022-01-21 コーニング インコーポレイテッド 改良されたガラスシート保持構造
CN116161311A (zh) * 2021-11-25 2023-05-26 Ａｇｃ株式会社 输送托盘

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090308774A1 (en) * 2006-06-27 2009-12-17 Corning Incorporated Methods for Proctecting Glass
US20080152453A1 (en) * 2006-12-21 2008-06-26 Stephen William Mix Container for packaging and transporting glass sheet(s)
US7686550B2 (en) 2006-12-21 2010-03-30 Corning Incorporated Container for packaging and transporting glass sheet(s)
US20110247914A1 (en) * 2008-10-02 2011-10-13 Grenzebach Maschinenbau Gmbh Method and device for loading a container with products comprising thin sheets of glass of a large surface area
US8757355B2 (en) * 2008-10-02 2014-06-24 Grenzebach Maschinenbau Gmbh Method and device for loading a container with products comprising thin sheets of glass of a large surface area
WO2010058626A1 (ja) * 2008-11-20 2010-05-27 日本電気硝子株式会社 ガラス板梱包箱
JP2010120681A (ja) * 2008-11-20 2010-06-03 Nippon Electric Glass Co Ltd ガラス板梱包箱
WO2015057346A1 (en) * 2013-10-16 2015-04-23 Gtat Corporation Product cartridge for transporting product
TWI788357B (zh) * 2017-05-29 2023-01-01 日商Ａｇｃ股份有限公司 玻璃板捆包體之製造方法
CN113734560A (zh) * 2021-09-22 2021-12-03 广州市普丰科技有限公司 一种便于移动的玻璃运输固定架
CN118770733A (zh) * 2024-08-15 2024-10-15 彩虹（合肥）液晶玻璃有限公司 一种基板玻璃快速固定的a型架机构

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TWI361299B (en) 2012-04-01
WO2007014096A2 (en) 2007-02-01
CN103043320B (zh) 2016-04-27
EP1910191A2 (en) 2008-04-16
CN101228080A (zh) 2008-07-23
JP5249027B2 (ja) 2013-07-31
TW200807070A (en) 2008-02-01
WO2007014096A3 (en) 2007-05-31
JP2009502661A (ja) 2009-01-29
CN103043320A (zh) 2013-04-17
KR20080039928A (ko) 2008-05-07

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