US20120255261A1 - High density pallet system - Google Patents
High density pallet system Download PDFInfo
- Publication number
- US20120255261A1 US20120255261A1 US13/440,151 US201213440151A US2012255261A1 US 20120255261 A1 US20120255261 A1 US 20120255261A1 US 201213440151 A US201213440151 A US 201213440151A US 2012255261 A1 US2012255261 A1 US 2012255261A1
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- United States
- Prior art keywords
- spool
- face
- spools
- engaging features
- separator
- 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.)
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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
- B65D71/0088—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
- B65D71/0096—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 the dimensions of the supports corresponding to the periphery of the load, e.g. pallets
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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
- B65D71/70—Trays provided with projections or recesses in order to assemble multiple articles, e.g. intermediate elements for stacking
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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
- 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
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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
- 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
- B65D2571/00055—Clapping elements, also placed on the side
Definitions
- This invention relates, generally, to packing systems. More specifically, the invention relates to pallet systems. In particular, the invention relates to pallet systems which allow for the high-density packing and shipping of cylindrical members such as spools of yarn, thread, or other filamentary material.
- Filamentary material such as yarn, thread, and the like is frequently wound onto spools for shipping from a manufacturing facility to a use facility.
- These spools generally are configured to fit directly into end use manufacturing equipment.
- large numbers of wound spools are shipped to distribution or end use manufacturing facilities; hence, there is a need for a packing system which can securely retain such spools for shipping.
- such shipping systems should be light in weight, low in cost, and allow for the high-density packing of wound spools.
- Spools used for filamentary materials typically include a core portion about which the filamentary material is wound, and in many cases, portions of this core project from the spool so as to allow mounting of the core onto use or processing equipment.
- the present invention comprises a palletized system which provides for the high-density packing of spool-wound material.
- the system of the present invention is configured to provide palletized stacks of spooled material which may be readily handled by forklifts, cranes, and other such processing equipment, and which are dimensioned so as to allow for high-density packing in standardized shipping containers.
- a pallet system for retaining a plurality of spools of the type comprising a core having a filamentary material wound thereabout.
- the system includes a pad or pallet having a first face configured to rest on a support surface and a second face having a plurality of spool-engaging features defined thereupon.
- the spool-engaging features are each configured and operable to engage a spool so that the pad is capable of supporting a layer of spools on its second face in a predetermined pattern.
- the system further includes at least one separator having a first and second face, each face having a plurality of spool-engaging features defined thereupon in the predetermined pattern.
- the system further includes a cap having a first face with a plurality of spool-engaging features defined thereupon in the predetermined pattern.
- the components of the system are configured and operable so that in the use of the system, the second surface of the pad receives and supports a first layer of spools thereupon in the predetermined pattern, and the spool-retaining features of one of the separators engages the first layer of spools. Further in the use of the system, a second layer of spools is supported on the second face of the separator.
- a further number of separators and corresponding layers of spools are added to the pallet system, and the cap member is then disposed atop the topmost layer of spools so that its spool-engaging features engage those spools so as to form a completed shipping unit.
- the spool-engaging features may comprise conical protrusions which engage the core portions of the spool.
- the spool-engaging features may comprise recesses which receive projecting portions of the cores of the spools.
- the components of the pallet system may be configured to define one or more grooves which operate to receive a strapping member.
- the cap and/or pad members may be configured to define further features such as forklift access channels, stabilizing legs, forklift guides, lift pads for robotic devices, locking features, and the like.
- the components of the pallet system may be fabricated from a polymeric material such as high molecular weight polyethylene, high-density polyethylene, low-density polyethylene, acrylonitrile-butadiene, -styrene, polypropylene, polyethylene, and combinations thereof.
- the polymer may include a reinforcing material therein.
- the pallet components may be formed by thermoforming.
- the components of the system may be configured so that the plurality of spools may be disposed in a staggered matrix.
- the first face of the pad component is configured so as to be engageable with a second face of the cap so that completed shipping units may be readily stacked atop one another.
- FIG. 1A is a perspective view of a spool of filamentary material
- FIG. 1B is a cross-sectional view of the spool of FIG. 1A ;
- FIG. 2A is a perspective view of one embodiment of pad member in accord with the present invention, showing the first face thereof;
- FIG. 2B is a top plan view of the pad of FIG. 2A showing the second face thereof;
- FIG. 3A is a perspective view of an embodiment of cap in accord with the present invention showing the second face thereof;
- FIG. 3B is a top plan view of the cap of FIG. 3A showing the first face thereof;
- FIG. 4A is a perspective view showing a first face of a separator in accord with the present invention.
- FIG. 4B is a top plan view of the separator of FIG. 4A showing the second face thereof;
- FIG. 5A is a perspective view of a palletized stack of spools utilizing a system of the present invention
- FIG. 5B is a cross-sectional view of the stack of FIG. 5A ;
- FIGS. 5 C, 5 D and 5 E are enlarged views of portions of the cross-sectional view of FIG. 5B ;
- FIG. 6A is a plan view of a bottom surface of another embodiment of pad member of the present invention.
- FIG. 6B is a cross-sectional view of a portion of the pad of FIG. 7A showing details of the spool-retaining feature
- FIG. 7A is a perspective view of another embodiment of cap member which may be utilized in the present invention, showing its first face;
- FIG. 7B is a plan view of the cap member of FIG. 8A showing its second face
- FIG. 8A is a perspective view showing a first face of another embodiment of separator in accord with the present invention.
- FIG. 8B is a plan view showing a second face of the separator of FIG. 9A ;
- FIG. 9A is a cross-sectional view of a palletized stack of spools in accord with the second embodiment of the invention.
- FIG. 9B is an enlarged cross-sectional view of a portion of the stack of FIG. 10A ;
- FIG. 10 is a perspective view of two stacked pallet units as configured for shipping, in accord with the present invention.
- the palletized system of the present invention includes components which allow for the high-density stacking of a plurality of layers of wound spools.
- the system includes a pad member, a cap member, and a plurality of separator members configured to be disposed therebetween and retain a number of layers of wound spools.
- the system of the present invention may be configured in a variety of implementations, and some illustrative examples thereof are presented herein.
- FIGS. 1A and 1B there is shown a typical wound spool of the type which may be shipped utilizing the system of the present invention.
- FIG. 1A shows a perspective view of the wound spool 10 showing the projecting core portion 12 and the filamentary material 14 wound thereabout.
- FIG. 1B is a top plan view of the spool 10
- FIG. 1B is a cross-sectional view of the spool. It is to be understood that while these figures show a spool having a projecting core portion, the pallet systems of the present invention may also be used in conjunction with spools of a different configuration.
- FIGS. 2A and 2B show various views of one particular embodiment of pad component (also referred to as a pallet member) of the system of the present invention.
- FIG. 2A shows the pad 16 in a perspective view, taken from its first (or lower) face, which will rest on a floor or other support surface in the use of the pad.
- FIG. 2B shows the pad in a top plan view as taken from its second (or upper) face, which in the use of the pad will support a plurality of spools thereupon.
- the pad includes a number of spool-engaging features defined on its second face. The spool-engaging features, for example feature 18 , engage and retain the spools in a predetermined pattern.
- the spool-engaging features for example feature 18 , engage and retain the spools in a predetermined pattern.
- this pattern comprises a three by four matrix and as such will support twelve spools. Other patterns are also within the scope of the invention.
- the pad member 16 is further configured to include notches which can accommodate strapping or other tie downs which can facilitate binding components of the system into a tight stack, and in the illustrated embodiment, these notches are shown at reference numeral 20 .
- the pad is also configured to accommodate a lift fork when the system is assembled.
- the illustrated embodiment as best seen in FIG. 2A , includes pallet foot features 21 on its first face which define openings 22 configured to allow access to a lift fork.
- FIGS. 3A and 3B there is shown an embodiment of cap member (also referred to as a cover member) which may be used in the system of the present invention.
- FIG. 3A is a perspective view of the cap member 26 showing a second (top) face
- FIG. 3B is a top plan view showing the first (bottom) face of the cap.
- the cap member 26 has a number of spool-retaining features 18 defined upon the second face in a predetermined pattern which corresponds to the same predetermined pattern in the pad member.
- the cap 26 also includes notches 20 disposed and configured to retain a packing strap.
- FIGS. 4A and 4B illustrate an embodiment of separator 28 which may be utilized in the present invention.
- FIG. 4A is a perspective view of the separator 28 , illustrating a first face thereof; and
- FIG. 4B is a top plan view of the separator showing a second face thereof.
- the separator 28 includes a pattern of spool-engaging features 30 on both its first and second faces.
- the spool-engaging features 30 are in a pattern which corresponds to the same pattern used in the cap and pad members.
- the spool-engaging features of this particular embodiment include a through hole, for example through hole 32 .
- the separator 28 also includes notches 20 which accommodate packing straps as discussed above.
- FIG. 5A shows a perspective view of a palletized stack of spools 10 utilizing the above-described system of the present invention.
- a pad 16 forms the base of the stack
- a cap 26 forms the top of the stack
- separators 28 retain spools 10 therebetween.
- FIG. 5B shows the stack in a sectional view taken along line A-A in FIG. 5A .
- the through hole openings in the separators allow for the very tight stacking of the spools.
- FIG. 5C there is shown a partial, enlarged view of the stack shown in cross section in FIG. 5B taken at reference point 5 C.
- FIG. 5C illustrates the manner in which the top cap 26 engages the spool 10 and fits into the core portion thereof.
- FIG. 5D is a detail taken at point 5 D in the FIG. 5B drawing and shows the separator 28 and the manner in which it is configured to allow projecting portions 12 of the spool 10 to fit therethrough so as to provide for a high-density stack.
- FIG. 5E shows a view taken at point 5 E of the stack of FIG. 5B and shows the bottom pad 16 in engagement with the spool 10 .
- the configuration of the bottom pad 16 accommodates the projecting portion of the core 12 .
- the system of the present invention allows for the secure, high density, reliable stacking of spooled material.
- Various stacking configurations may be achieved through the use of various combinations of the aforedescribed pads, caps, and separators of the present invention so as to provide maximum filling of shipping containers of differing sizes.
- the pads and caps may be further configured so that their outer faces can positively engage one another so as to allow several stacked units each comprised of a pad, a cap, separators, and spools disposed therebetween, to be placed atop one another.
- a stacked assembly may be prepared so as to fit standard cargo containers.
- these stacks may be banded together by strapping material utilizing the notches as previously discussed.
- system of the present invention may be configured in a variety of embodiments, and another such embodiment is illustrated in FIGS. 6-10 which follow.
- the system of these figures is configured to retain a plurality of spools in a staggered relationship in a four by four matrix, although other staggered configurations are readily implemented utilizing the components of this embodiment.
- FIG. 6A is a plan view showing a first face of a particular pad 16 of the system of the present invention, and features thereof which correspond to the pad member previously described will be referred to by like reference numerals.
- the pad includes a number of spool-engaging features defined on its upper (second) face, and one such spool-engaging feature is shown at reference numeral 18 in FIG. 6B is a cross-sectional view of one of the spool-engaging features 18 as taken along line 6 B- 6 B of FIG. 6A .
- the pad member 16 is further configured to include features including lid locks 50 , pallet feet 52 , and strapping detents as shown for example at reference numeral 54 .
- the pallet may also include fork leveling pads, as shown at reference numeral 58 , and these pads can aid in guiding a forklift and in that regard work together with associated fork openings 22 as defined by the pallet feet 52 .
- the pallet may further include robotic vacuum lift pads as shown for example at reference numeral 56 , and these pads provide a smooth surface which is engageable by a robotic lifting device.
- FIGS. 7A and 7B show a lid or cap member 26 which may be utilized in conjunction with the pad or pallet member of FIGS. 6A and 6B .
- the cap member is shown in perspective view in FIG. 7A which illustrates the cap's first, spool-engaging, face.
- the cap member 26 has a number of spool-retaining features 18 defined thereupon in a predetermined pattern which corresponds to the same predetermined pattern in the pad member.
- FIG. 8B is a plan view of the cap 26 showing the second face thereof.
- the cap further includes robotic lift pads 58 as previously described, as well as pallet-engaging foot landing pads 60 which aid in stabilizing stacks of palletized goods. Lid locks 62 may be included, and strapping detents 54 as previously described may likewise be included.
- FIG. 8A is a perspective view, showing a first (front) face of a separator 28 comprising a four by four staggered matrix, which may be employed in combination with the aforedescribed pad and cap members.
- FIG. 8B is a plan view showing a second (back) face of the separator 28 .
- the separator 28 includes a pattern of spool-engaging features 30 on both its first and second faces disposed in a pattern which corresponds to the pattern of the cap and pad members.
- the separator 28 of FIGS. 8A and 8B differs from the aforedescribed separator shown in FIGS.
- the separator includes robotic vacuum lift pads 58 as previously described and can include notches or other features which are configured to accommodate packing straps.
- FIG. 9A there is shown a cross-sectional view of an assembled, palletized stack of spools utilizing the pad, separators, and cap of the foregoing FIGS. 6-8 .
- the stack is comprised of a cap 26 , a pad or pallet 16 , and seven stacked four by four arrays of spools 10 wherein each of the layers of spools is separated from the others by a separator 28 .
- FIG. 9B is an enlarged view of a portion of the cross-sectional view of FIG. 9A , showing portions of two stacked spools 10 with a portion of a separator 28 therebetween, and specifically illustrating the manner in which the cone feature 64 projects into a portion of the spool 10 .
- FIG. 9B also shows a portion of a conical feature 66 of a cap member projecting into the spool.
- the configuration of this embodiment of the present invention provides for a densely packed, mechanically stable stack of spools.
- FIG. 10 shows a perspective view of a fourteen-layer stack of spools employing the system of the present invention.
- the fourteen-layer stack of FIG. 10 is comprised of two units, each of which includes a pad 16 and a cap 26 member.
- a first seven-layer stack 70 has a second seven-layer stack 71 placed there atop, and in this regard, the pad member 16 of the second stack 71 is configured to engage the cap member 26 of the first stack 70 .
- the pad, cap, and separator members are fabricated from polymeric materials, since such materials are generally low in cost, high in strength, lightweight, and dimensionally stable.
- Some specific polymeric materials utilized to fabricate these members include high molecular weight polyethylene, high-density polyethylene, low-density polyethylene, acrylonitrile-butadiene-styrene (ABS), polypropylene, other polyethylenes, and various combinations of the foregoing materials.
- the polymers may include reinforcing materials such as fibrous materials therein as well as fillers, coloring agents, and the like.
- the components are fabricated from thermoplastic polymers utilizing various molding or shaping processes.
- the components are fabricated by thermoforming polymeric stock. In other instances, they may be fabricated by injection molding or other such processes. In yet other instances, the components may be manufactured from thermosetting polymeric materials or curable resin materials. All of such implementations are within the scope of the present invention.
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Abstract
A pallet system for shipping a number of spools includes a pad which supports and retains a first layer of spools. A separator is disposed atop the first layer of spools and a second layer of spools is disposed atop the separator. Subsequent layers of spools and separators may be included in a stacked relationship, and a cap member is disposed atop the topmost layer of spools. The pad, cap, and separators form a stacked shipping unit and may include locking features and provisions for retaining straps.
Description
- This application claims priority of U.S. Provisional Patent Application 61/473,374 filed Apr. 8, 2011, entitled “High Density Pallet System”, the contents of which are incorporated herein by reference.
- This invention relates, generally, to packing systems. More specifically, the invention relates to pallet systems. In particular, the invention relates to pallet systems which allow for the high-density packing and shipping of cylindrical members such as spools of yarn, thread, or other filamentary material.
- Filamentary material such as yarn, thread, and the like is frequently wound onto spools for shipping from a manufacturing facility to a use facility. These spools generally are configured to fit directly into end use manufacturing equipment. Typically, large numbers of wound spools are shipped to distribution or end use manufacturing facilities; hence, there is a need for a packing system which can securely retain such spools for shipping. In addition to being simple to use, such shipping systems should be light in weight, low in cost, and allow for the high-density packing of wound spools.
- Goods are increasingly being shipped via containerized freight systems which utilize standard-dimension freight containers. Hence, any cargo shipping system should be configured to be compatible with standard freight containers such that wasted space is minimized or eliminated, and maximum packing density achieved. Spools used for filamentary materials typically include a core portion about which the filamentary material is wound, and in many cases, portions of this core project from the spool so as to allow mounting of the core onto use or processing equipment.
- As will be explained in detail hereinbelow, the present invention comprises a palletized system which provides for the high-density packing of spool-wound material. The system of the present invention is configured to provide palletized stacks of spooled material which may be readily handled by forklifts, cranes, and other such processing equipment, and which are dimensioned so as to allow for high-density packing in standardized shipping containers. These and other advantages of the present invention will be apparent from the drawings, discussion, and description which follow.
- Disclosed is a pallet system for retaining a plurality of spools of the type comprising a core having a filamentary material wound thereabout. The system includes a pad or pallet having a first face configured to rest on a support surface and a second face having a plurality of spool-engaging features defined thereupon. The spool-engaging features are each configured and operable to engage a spool so that the pad is capable of supporting a layer of spools on its second face in a predetermined pattern. The system further includes at least one separator having a first and second face, each face having a plurality of spool-engaging features defined thereupon in the predetermined pattern. The system further includes a cap having a first face with a plurality of spool-engaging features defined thereupon in the predetermined pattern. The components of the system are configured and operable so that in the use of the system, the second surface of the pad receives and supports a first layer of spools thereupon in the predetermined pattern, and the spool-retaining features of one of the separators engages the first layer of spools. Further in the use of the system, a second layer of spools is supported on the second face of the separator. In a typical application, a further number of separators and corresponding layers of spools are added to the pallet system, and the cap member is then disposed atop the topmost layer of spools so that its spool-engaging features engage those spools so as to form a completed shipping unit.
- In particular embodiments, the spool-engaging features may comprise conical protrusions which engage the core portions of the spool. In other instances, the spool-engaging features may comprise recesses which receive projecting portions of the cores of the spools. In further embodiments, the components of the pallet system may be configured to define one or more grooves which operate to receive a strapping member. The cap and/or pad members may be configured to define further features such as forklift access channels, stabilizing legs, forklift guides, lift pads for robotic devices, locking features, and the like.
- The components of the pallet system may be fabricated from a polymeric material such as high molecular weight polyethylene, high-density polyethylene, low-density polyethylene, acrylonitrile-butadiene, -styrene, polypropylene, polyethylene, and combinations thereof. In some instances the polymer may include a reinforcing material therein. The pallet components may be formed by thermoforming. In some instances, the components of the system may be configured so that the plurality of spools may be disposed in a staggered matrix. In some embodiments, the first face of the pad component is configured so as to be engageable with a second face of the cap so that completed shipping units may be readily stacked atop one another.
- Further disclosed is a method for packing a series of spools of material through the use of the pallet system of the present invention.
-
FIG. 1A is a perspective view of a spool of filamentary material; -
FIG. 1B is a cross-sectional view of the spool ofFIG. 1A ; -
FIG. 2A is a perspective view of one embodiment of pad member in accord with the present invention, showing the first face thereof; -
FIG. 2B is a top plan view of the pad ofFIG. 2A showing the second face thereof; -
FIG. 3A is a perspective view of an embodiment of cap in accord with the present invention showing the second face thereof; -
FIG. 3B is a top plan view of the cap ofFIG. 3A showing the first face thereof; -
FIG. 4A is a perspective view showing a first face of a separator in accord with the present invention; -
FIG. 4B is a top plan view of the separator ofFIG. 4A showing the second face thereof; -
FIG. 5A is a perspective view of a palletized stack of spools utilizing a system of the present invention; -
FIG. 5B is a cross-sectional view of the stack ofFIG. 5A ; - FIGS. 5C,5D and 5E are enlarged views of portions of the cross-sectional view of
FIG. 5B ; -
FIG. 6A is a plan view of a bottom surface of another embodiment of pad member of the present invention; -
FIG. 6B is a cross-sectional view of a portion of the pad ofFIG. 7A showing details of the spool-retaining feature; -
FIG. 7A is a perspective view of another embodiment of cap member which may be utilized in the present invention, showing its first face; -
FIG. 7B is a plan view of the cap member ofFIG. 8A showing its second face; -
FIG. 8A is a perspective view showing a first face of another embodiment of separator in accord with the present invention; -
FIG. 8B is a plan view showing a second face of the separator ofFIG. 9A ; -
FIG. 9A is a cross-sectional view of a palletized stack of spools in accord with the second embodiment of the invention; -
FIG. 9B is an enlarged cross-sectional view of a portion of the stack ofFIG. 10A ; and -
FIG. 10 is a perspective view of two stacked pallet units as configured for shipping, in accord with the present invention. - The palletized system of the present invention includes components which allow for the high-density stacking of a plurality of layers of wound spools. As such, the system includes a pad member, a cap member, and a plurality of separator members configured to be disposed therebetween and retain a number of layers of wound spools. The system of the present invention may be configured in a variety of implementations, and some illustrative examples thereof are presented herein.
- Referring now to
FIGS. 1A and 1B , there is shown a typical wound spool of the type which may be shipped utilizing the system of the present invention.FIG. 1A shows a perspective view of thewound spool 10 showing the projectingcore portion 12 and thefilamentary material 14 wound thereabout.FIG. 1B is a top plan view of thespool 10, andFIG. 1B is a cross-sectional view of the spool. It is to be understood that while these figures show a spool having a projecting core portion, the pallet systems of the present invention may also be used in conjunction with spools of a different configuration. -
FIGS. 2A and 2B show various views of one particular embodiment of pad component (also referred to as a pallet member) of the system of the present invention.FIG. 2A shows thepad 16 in a perspective view, taken from its first (or lower) face, which will rest on a floor or other support surface in the use of the pad.FIG. 2B shows the pad in a top plan view as taken from its second (or upper) face, which in the use of the pad will support a plurality of spools thereupon. As will be seen from the figures, the pad includes a number of spool-engaging features defined on its second face. The spool-engaging features, forexample feature 18, engage and retain the spools in a predetermined pattern. In theFIG. 2 embodiment, this pattern comprises a three by four matrix and as such will support twelve spools. Other patterns are also within the scope of the invention. Thepad member 16 is further configured to include notches which can accommodate strapping or other tie downs which can facilitate binding components of the system into a tight stack, and in the illustrated embodiment, these notches are shown atreference numeral 20. The pad is also configured to accommodate a lift fork when the system is assembled. In this regard, the illustrated embodiment, as best seen inFIG. 2A , includes pallet foot features 21 on its first face which defineopenings 22 configured to allow access to a lift fork. - Referring now to
FIGS. 3A and 3B , there is shown an embodiment of cap member (also referred to as a cover member) which may be used in the system of the present invention.FIG. 3A is a perspective view of thecap member 26 showing a second (top) face, andFIG. 3B is a top plan view showing the first (bottom) face of the cap. Thecap member 26 has a number of spool-retainingfeatures 18 defined upon the second face in a predetermined pattern which corresponds to the same predetermined pattern in the pad member. Thecap 26 also includesnotches 20 disposed and configured to retain a packing strap. -
FIGS. 4A and 4B illustrate an embodiment ofseparator 28 which may be utilized in the present invention.FIG. 4A is a perspective view of theseparator 28, illustrating a first face thereof; andFIG. 4B is a top plan view of the separator showing a second face thereof. Theseparator 28 includes a pattern of spool-engagingfeatures 30 on both its first and second faces. The spool-engagingfeatures 30 are in a pattern which corresponds to the same pattern used in the cap and pad members. As shown inFIG. 4 , the spool-engaging features of this particular embodiment include a through hole, for example throughhole 32. This through hole accommodates the projecting portions of the core of the spools as will be explained hereinbelow, and thus allows for higher density packing of spools in a stacked array. Theseparator 28 also includesnotches 20 which accommodate packing straps as discussed above. -
FIG. 5A shows a perspective view of a palletized stack ofspools 10 utilizing the above-described system of the present invention. As will be seen, apad 16 forms the base of the stack, acap 26 forms the top of the stack, andseparators 28 retainspools 10 therebetween.FIG. 5B shows the stack in a sectional view taken along line A-A inFIG. 5A . As will be seen, the through hole openings in the separators allow for the very tight stacking of the spools. - Referring now to
FIG. 5C , there is shown a partial, enlarged view of the stack shown in cross section inFIG. 5B taken atreference point 5C.FIG. 5C illustrates the manner in which thetop cap 26 engages thespool 10 and fits into the core portion thereof.FIG. 5D is a detail taken atpoint 5D in theFIG. 5B drawing and shows theseparator 28 and the manner in which it is configured to allow projectingportions 12 of thespool 10 to fit therethrough so as to provide for a high-density stack.FIG. 5E shows a view taken atpoint 5E of the stack ofFIG. 5B and shows thebottom pad 16 in engagement with thespool 10. As will also be seen, the configuration of thebottom pad 16 accommodates the projecting portion of thecore 12. - In view of the foregoing, it will be appreciated that the system of the present invention allows for the secure, high density, reliable stacking of spooled material. Various stacking configurations may be achieved through the use of various combinations of the aforedescribed pads, caps, and separators of the present invention so as to provide maximum filling of shipping containers of differing sizes. As will be seen, the pads and caps may be further configured so that their outer faces can positively engage one another so as to allow several stacked units each comprised of a pad, a cap, separators, and spools disposed therebetween, to be placed atop one another. By appropriately selecting the number of layers and units, a stacked assembly may be prepared so as to fit standard cargo containers. As will be understood in the art, these stacks may be banded together by strapping material utilizing the notches as previously discussed.
- As mentioned above, the system of the present invention may be configured in a variety of embodiments, and another such embodiment is illustrated in
FIGS. 6-10 which follow. The system of these figures is configured to retain a plurality of spools in a staggered relationship in a four by four matrix, although other staggered configurations are readily implemented utilizing the components of this embodiment. -
FIG. 6A is a plan view showing a first face of aparticular pad 16 of the system of the present invention, and features thereof which correspond to the pad member previously described will be referred to by like reference numerals. As in the previous embodiment, the pad includes a number of spool-engaging features defined on its upper (second) face, and one such spool-engaging feature is shown atreference numeral 18 inFIG. 6B is a cross-sectional view of one of the spool-engagingfeatures 18 as taken alongline 6B-6B ofFIG. 6A . - The
pad member 16 is further configured to include features including lid locks 50,pallet feet 52, and strapping detents as shown for example atreference numeral 54. The pallet may also include fork leveling pads, as shown atreference numeral 58, and these pads can aid in guiding a forklift and in that regard work together with associatedfork openings 22 as defined by thepallet feet 52. The pallet may further include robotic vacuum lift pads as shown for example atreference numeral 56, and these pads provide a smooth surface which is engageable by a robotic lifting device. -
FIGS. 7A and 7B show a lid orcap member 26 which may be utilized in conjunction with the pad or pallet member ofFIGS. 6A and 6B . The cap member is shown in perspective view inFIG. 7A which illustrates the cap's first, spool-engaging, face. Thecap member 26 has a number of spool-retainingfeatures 18 defined thereupon in a predetermined pattern which corresponds to the same predetermined pattern in the pad member.FIG. 8B is a plan view of thecap 26 showing the second face thereof. The cap further includesrobotic lift pads 58 as previously described, as well as pallet-engagingfoot landing pads 60 which aid in stabilizing stacks of palletized goods. Lid locks 62 may be included, and strappingdetents 54 as previously described may likewise be included. -
FIG. 8A is a perspective view, showing a first (front) face of aseparator 28 comprising a four by four staggered matrix, which may be employed in combination with the aforedescribed pad and cap members.FIG. 8B is a plan view showing a second (back) face of theseparator 28. Theseparator 28 includes a pattern of spool-engagingfeatures 30 on both its first and second faces disposed in a pattern which corresponds to the pattern of the cap and pad members. Theseparator 28 ofFIGS. 8A and 8B differs from the aforedescribed separator shown inFIGS. 4A , 4B and 5D insofar as it includes a number of largeconical members 64 which engage the spools to be loaded thereupon so as to facilitate loading of the assembly. The separator includes roboticvacuum lift pads 58 as previously described and can include notches or other features which are configured to accommodate packing straps. - Referring now to
FIG. 9A , there is shown a cross-sectional view of an assembled, palletized stack of spools utilizing the pad, separators, and cap of the foregoingFIGS. 6-8 . As will be seen, the stack is comprised of acap 26, a pad orpallet 16, and seven stacked four by four arrays ofspools 10 wherein each of the layers of spools is separated from the others by aseparator 28. -
FIG. 9B is an enlarged view of a portion of the cross-sectional view ofFIG. 9A , showing portions of twostacked spools 10 with a portion of aseparator 28 therebetween, and specifically illustrating the manner in which thecone feature 64 projects into a portion of thespool 10.FIG. 9B also shows a portion of aconical feature 66 of a cap member projecting into the spool. As will be appreciated, the configuration of this embodiment of the present invention provides for a densely packed, mechanically stable stack of spools. -
FIG. 10 shows a perspective view of a fourteen-layer stack of spools employing the system of the present invention. As will be seen, the staggered relationship of the spools will allow stacks to be interfit when disposed in a shipping container so as to maximize the amount of space which is filled. The fourteen-layer stack ofFIG. 10 is comprised of two units, each of which includes apad 16 and acap 26 member. A first seven-layer stack 70 has a second seven-layer stack 71 placed there atop, and in this regard, thepad member 16 of thesecond stack 71 is configured to engage thecap member 26 of thefirst stack 70. - In general, the pad, cap, and separator members are fabricated from polymeric materials, since such materials are generally low in cost, high in strength, lightweight, and dimensionally stable. Some specific polymeric materials utilized to fabricate these members include high molecular weight polyethylene, high-density polyethylene, low-density polyethylene, acrylonitrile-butadiene-styrene (ABS), polypropylene, other polyethylenes, and various combinations of the foregoing materials. As is known in the art, the polymers may include reinforcing materials such as fibrous materials therein as well as fillers, coloring agents, and the like. In specific instances, the components are fabricated from thermoplastic polymers utilizing various molding or shaping processes. In one specific instance, the components are fabricated by thermoforming polymeric stock. In other instances, they may be fabricated by injection molding or other such processes. In yet other instances, the components may be manufactured from thermosetting polymeric materials or curable resin materials. All of such implementations are within the scope of the present invention.
- The foregoing describes some specific implementations of the present invention. Other implementations, modifications, and variations thereof will be apparent to those of skill in the art. The foregoing drawings, discussion, description, and examples are illustrative of specific embodiments of the present invention but are not meant to be limitations upon the practice thereof. It is the following claims, including all equivalents, which define the scope of the invention.
Claims (15)
1. A pallet system for retaining a plurality of spools, each spool including a core having a filamentary material wound thereabout, said system comprising:
a pad having a first face configured to rest upon a support surface and a second face having a plurality of spool-engaging features defined thereupon, each spool-engaging feature being configured and operable to engage a spool so that said pad is capable of supporting a layer of said spools on said second face in a predetermined pattern;
at least one separator having a first and second face, each face having a plurality of spool-engaging features defined thereupon, said spool-engaging features each being configured so as to engage a spool, said spool-engaging features being disposed in said predetermined pattern;
a cap having a first face having a plurality of spool-engaging features defined upon said first face thereof, said spool-engaging features being disposed and operable so as to engage said spools in said predetermined pattern;
wherein said pad, said at least one separator, and said cap are configured and operable so that in the use of said system, said second surface of said pad can receive and support a first layer of spools thereupon in said predetermined pattern, and the spool-engaging features of a first one of said at least one separator engage said first layer of spools, and wherein a second layer of spools may be supported on the second face of said one of said at least one separators; and wherein said spool-engaging features of said cap can engage a layer of spools supported on either the second face of said first one of said at least one separators, or on a second face of another one of said at least one separators.
2. The pallet system of claim 1 , wherein the spool-engaging features of at least one of said pad, said at least one separator, and said cap are each configured to project into the core of a spool.
3. The pallet system of claim 2 , wherein said spool-engaging features which are each configured to project into the core of a spool comprise conical features.
4. The pallet system of claim 1 , wherein the spool-engaging features of at least one of: said pad, said at least one separator, and said cap are each configured so as to engage a spool and permit a portion of the length of the core of said spool to project thereinto.
5. The pallet system of claim 1 , wherein said spool-engaging features which are each configured to permit a portion of the length of the core of said spool to project thereinto comprise openings defined in a respective one of said pad, said at least one separator, and said cap.
6. The system of claim 1 , wherein said pad, said at least one separator, and said cap are formed from a polymeric material.
7. The system of claim 6 , wherein said polymeric material is a thermoformed polymeric material.
8. The system of claim 6 , wherein said polymeric material is selected from the group consisting of high molecular weight polyethylene, high-density polyethylene, low-density polyethylene, acrylonitrile-butadiene-styrene, polypropylene, polyethylene, and combinations thereof.
9. The system of claim 6 , wherein said polymeric material includes a reinforcing agent therein.
10. The system of claim 1 , wherein the first face of said pad is configured to be engageable by a lift fork.
11. The system of claim 1 , wherein at least one of said pad, said at least one separator, and said cap include a notch therein configured to engage a binding strap.
12. The system of claim 1 , wherein said first face of said pad is further configured so as to be engageable with a second face of said cap which second face is opposite the first face thereof.
13. The system of claim 1 , wherein at least one of said pad, said cap, and said separator is configured to be gripped by a robotic lifter.
14. The system of claim 1 , wherein said spool-engaging features define a staggered matrix.
15. A method for packing spools, each spool including a core having a filamentary material wound thereabout, said method comprising:
(a) providing a pad having a first face configured to rest upon a support surface and a second face having a plurality of spool-engaging features defined thereupon, each spool-engaging feature being configured and operable to engage a spool so that said pad is capable of supporting a layer of said spools on said second face, in a predetermined pattern;
(b) disposing a first plurality of spools on said pad so that each of said spools is engaged by a respective one of said plurality of spool-engaging features of said pad;
(c) providing a first separator having a first and second face, each face having a plurality of spool-engaging features defined thereupon, said spool-engaging features each being configured so as to engage a spool, said spool-engaging features being disposed in said predetermined pattern;
(d) disposing said first separator so that said spool-engaging features of said first face each engage a respective one of said spools of said first plurality of spools;
(e) disposing a second plurality of spools on said second face of said first separator so that each of said spools is engaged by a respective one of said plurality of spool-engaging features of the second face of said first separator;
(f) providing a second separator having a first and second face, each face having a plurality of spool-engaging features defined thereupon, said spool-engaging features each being configured so as to engage a spool, said spool-retaining features being disposed in said predetermined pattern;
(g) disposing said second separator so that said spool-engaging features of said first face each engage a respective one of said spools of said second plurality of spools;
(h) disposing a third plurality of spools on said second face of said second separator so that each of said spools is engaged by a respective one of said plurality of spool-engaging features of the second face of said second separator;
(i) optionally, repeating steps (f)-(h) one or more times utilizing at least a third separator and at least a fourth plurality of spools;
(j) providing a cap having a first face having a plurality of spool-engaging features defined upon said first face thereof, said spool-engaging features being disposed in said predetermined pattern; and
(k) disposing said cap so that said spool-engaging features of said first face each engage: a respective one of said spools of said third plurality of spools, or a respective one of said spools of said at least a fourth plurality of spools.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US13/440,151 US20120255261A1 (en) | 2011-04-08 | 2012-04-05 | High density pallet system |
PCT/US2012/032460 WO2012138956A2 (en) | 2011-04-08 | 2012-04-06 | High density pallet system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161473374P | 2011-04-08 | 2011-04-08 | |
US13/440,151 US20120255261A1 (en) | 2011-04-08 | 2012-04-05 | High density pallet system |
Publications (1)
Publication Number | Publication Date |
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US20120255261A1 true US20120255261A1 (en) | 2012-10-11 |
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Family Applications (1)
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US13/440,151 Abandoned US20120255261A1 (en) | 2011-04-08 | 2012-04-05 | High density pallet system |
Country Status (2)
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US (1) | US20120255261A1 (en) |
WO (1) | WO2012138956A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20130206043A1 (en) * | 2012-02-02 | 2013-08-15 | Rehrig Pacific Company | Keg pallet |
US20150191275A1 (en) * | 2014-01-09 | 2015-07-09 | Oria Collapsibles, Llc | Plastic coated pallet article exhibiting varying surface patterns for assisting in fluid drainage, gaseous release and frictional retention of items supported thereupon |
Families Citing this family (1)
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CN107264942A (en) * | 2017-07-06 | 2017-10-20 | 浙江信宇工贸有限公司 | The storage device of web-like aluminium foil |
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US9010255B2 (en) * | 2012-02-02 | 2015-04-21 | Rehrig Pacific Company | Keg pallet |
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US9290298B2 (en) * | 2014-01-09 | 2016-03-22 | Oria Collapsibles, Llc | Plastic coated pallet article exhibiting varying surface patterns for assisting in fluid drainage, gaseous release and frictional retention of items supported thereupon |
Also Published As
Publication number | Publication date |
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WO2012138956A2 (en) | 2012-10-11 |
WO2012138956A3 (en) | 2013-03-28 |
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