1. Field of the Invention
This invention relates to a covering that is placed over goods in preparation for shipping and method of using the same.
2. Description of the Background of the Invention
The transportation or shipment of goods is a complex and costly process that includes many actors, including shippers, manufacturers, wholesalers, and retailers. During shipping, some goods require added protection to keep them from being damaged while other goods need to be kept at or near a constant temperature, i.e., cold products kept cold and hot products kept hot. One method of shipping fragile goods includes the use of extra packing materials such as bubble wrap, which is discarded once the goods are delivered. In addition, a common method of transporting temperature sensitive items is the use of trucks with refrigerated or heated trailers. The use of additional packing materials and special trucks results in added costs, which are ultimately passed on to the consumer. Furthermore, many of the existing devices that are used to insulate goods cannot be readily adjusted to fit pallets of goods that vary in height, length, and width. Additionally, many existing devices are cumbersome and cannot be placed on a pallet of stacked goods efficiently by a single person and/or require the use of ladders and other similar devices. For theses reasons, a reusable, adjustable, insulated covering that can be easily and efficient placed on a stack of temperature sensitive items in preparation for shipping would be an important improvement in the art.
Disclosed is a thermal insulated covering comprising a cap and wrap portion for use in providing temperature protection for goods in transit.
The vertical strip of loop fasteners 24 will be mated with vertical band of hook fasteners 56 contained on the interior side 50 of the wrap portion 20 as shown in
The exterior side 22 of the wrap portion 20 further contains two sets of lift straps 30A, B and 32A, B on a bottom portion 38. When wrap portion 20 is wrapped about a pallet of stacked goods, the lift straps 30A, B are disposed on a first side of the pallet of stacked goods and lift straps 32A, B are disposed on a second side of the pallet of stacked goods adjacent to the first side of the pallet of stacked goods. An enlarged view of the lift straps 30, 32 is shown in
The exterior side 22 also has two loops 44A, B attached to a top edge 46. In one embodiment, the loops 44A, B are made of plastic. The two loops 44A, B are used to store the wrap portion 20 on a storage rack 300 (discussed in more detail below). A pocket 48 with a transparent window 49 may also be included on the exterior side 22 of the wrap portion 20. The pocket 48 is used to hold shipping document concerning the pallet of stacked goods covered by the covering 18 and the transparent window 49 enables a user to easily view the shipping documents.
The interior side 50 of the wrap portion 20 also has a vertical band of hook fasteners 56 that extends the height of the interior side 50 adjacent a second end portion 57. The vertical band of hook fasteners 56 engages the vertical strip of loop fasteners 24 of the exterior side 22 when the wrap portion 20 is wrapped about a pallet of stacked goods thereby securing the wrap portion 20 around the goods. The wrap portion 20 is therefore long enough to completely cover each of the four sides of a pallet of goods and has a flap 58 that overlaps a portion of the wrap portion 20 located on the first side of the pallet of goods when the wrap portion 20 is wrapped about the pallet of stacked goods (see also
The horizontal attachment straps 132A, B are attached to and extend away from a second end portion 128 of the wrap portion 120. The second end portion 128 of the wrap portion 120 is disposed opposite the first end portion 125. The attachment straps 132A, B comprise a portion of hook fasteners 134 and a portion of loop fasteners 136. When the wrap portion 120 is wrapped about a pallet of stacked goods, attachment strap 132A is passed through corresponding steel ring 126A and attachment strap 132B is passed through corresponding steel ring 126B. The portion of hook fasteners 134 of each attachment strap 132A, B is then folded back about steel ring 126A, B, respectively, so that the portion of hook fasteners 134 of each attachment strap 132A, B is mated with the portion of loop fasteners 136 of each strap 132. The addition of the steel rings 126A, B and the attachment straps 132A, B provides a tighter fit of the wrap portion 120 around the pallet of stacked goods. A tighter fit of the wrap portion 120 around the goods on the pallet, enables a user to use less shrink-wrap or other packing material to hold the goods together during transport.
The wrap portion 120′ shown in
Various materials that are strong, durable, and flexible may be used to form the wrap portions 20, 120, and 120′ and cap portions 60, 160, 260, and 360. For example, in one embodiment four layers of material are enclosed by a fabric. The first layer consists of a material such as a coated textile that is impermeable to moisture and air, the second layer consists of a thermal insulated material for example a nanofiber or microweave fabric, the third layer consists of a polyester filler material, and the fourth layer consists of a fabric such as coated denier fabric, nylon, polyester, vinyl, nanofiber, or microweave fabric. One of ordinary skill in the art would understand that any materials that serve the same purpose as those mentioned above may be used. Stitching at the ends of the layers keeps them from moving within the enclosing fabric.
Another embodiment contains five layers consisting of the same materials mentioned above that are held together by stitching through a fabric binding at the ends of the layers. The first layer consists of fabric, the second layer consists of a polyester filler, the third layer consists of a thermal insulated material, the fourth layer consists of a polyester filler, and the fifth layer consists of a material that is impermeable to moisture and air. Another embodiment consists of three layers, the first being fabric, the second being polyester filler, and the third layer being fabric.
Wheels 332A, B are attached to lower ends 334 of the first arms 318, 322, respectively, and 332C, D are attached to lower ends 336 of the second arm 326, 330 of the respective first and second frame members. The wheels 332A, B, C, D have locks to prevent the storage rack 300 from moving when a covering 18 is being removed from or placed onto the storage rack. Alternatively, the storage rack 300 may contain a separate braking mechanism to prevent movement of the storage rack during the loading and unloading of the covering 18 from the storage rack 300.
Turning to
In addition, a first location or storage facility may contain stationary tracks that are used to store the covering 18 when it is not being used. These stationary tracks can be attached to or mated with the tracks 310A, B in a manner that enables the movable storage hooks 338 to travel from the stationary tracks to the tracks 310A, B and vice versa without interruption. This arrangement increases efficiency by eliminating the need to unhook the covering 18 from the storage hooks 338 on the storage rack 300 and place them on separate hooks hanging from the stationary tracks.
As shown in
Turning to
The second arm 326 of the first frame member 302 also contains a pull-cord hook 350, which may be any suitable shape, for example, J-shaped (see
To use the covering 18 on a pallet of stacked goods that is to be shipped, a user first locates a storage rack 300 that has cap portion 60 and wrap portion 20 of covering 18 stored on it at a first location (e.g., warehouse). Although the method is discussed in terms of a single covering 18, the rack may contain multiple coverings that can be used to cover multiple pallets of goods. If the pallet of stacked goods is of a small or medium height, the user removes the cap portion 60 from the wrap portion 20 and places it on the top of the goods located on a pallet. If the pallet of stacked goods is tail, the user moves the storage rack close to the pallet of stacked goods to be covered, e.g., within two to three feet of the pallet of stacked goods. The user then attaches the pull cord 70, which is stored on pull cord hook 350 of the storage rack, to the pull cord loop 68 of the cap portion 60. The pull cord 70 is then thrown over the top of the pallet of stacked goods. The user then walks around the pallet of stacked goods to where the pull cord 70 has fallen, picks up the pull cord 70, and pulls the pull cord 70. When the user pulls the pull cord 70, the cap portion 60 detaches from the wrap portion 20 which is hanging from the storage hooks 338 of the storage rack 300. The user then positions the cap portion 60 on top of the goods. Once the cap portion 60 is properly placed on the pallet of stacked goods, the pull cord 70 is removed from the pull cord loop 68 and placed back on pull cord hook 350.
The wrap portion 20 is then removed from the storage rack 300. The interior side 50 of the wrap portion is placed adjacent the goods on the pallet with first end portion 25 being aligned with one edge of the pallet of stacked goods. One of the horizontal bands of hook fasteners 52A, B, or C of the interior side 50 of the wrap portion 20 is first attached to the loop fastener portion 64A of the cap portion 60, then attached to the loop fastener portions 64B, 64C, and 64D, in that order. Depending on what cap embodiment is used (i.e., 60, 160, 260, or 360), the horizontal bands of hook fasteners 52 may engage vertical stripes of loop fasteners 164, 364 of cap portion 160, 360, respectively, or horizontal belt of loop fasteners 264 of cap portion 260. The user then unfolds the wrap portion 20 as he walks around the pallet of stacked goods and continues to mate the horizontal band of hook fasteners 52 of the wrap portion 20 with loop fastener portions 64B, 64C, and 641) of the cap portion 60, in that order. When the user has completely covered all four sides of the pallet of stacked goods, the user then folds the remaining portion or flap 58 of the wrap portion 20 over the first side of the pallet of stacked goods so that the vertical band of hook fasteners 56 of the interior side 50 engages the vertical strip of loop fasteners 24 of the exterior side 22, thereby securing the wrap portion 20 around the goods.
After the wrap portion 20 is securely attached to the cap portion 60, a user may then lift the bottom portion 38 of the wrap using one of the pairs of lift straps 30 or 32. As mentioned above, the tab 42 of the lift straps are lifted up and mated with attachment portion 40. A forklift can then be used to pick up the pallet of stacked goods and place it on a delivery vehicle for shipment to a second location e.g., distribution center or retail store.
Once the wrapped goods have been moved from the first location to the second location the covering 18 is removed. To remove the covering 18 the flap 58 is detached from the vertical loop strip 24 of the wrap portion 20. The exterior side 22 of the wrap portion 20 is then folded about itself. The first fold occurs by bring the second end portion 57 near an edge of the pallet of stacked goods below the intersection of the third and fourth sides 62C and 62D, respectively, of the cap portion 60 (see
Once the folding is completed, the user moves the folded wrap portion 20 to the storage rack 300. There the user positions the folded wrap on the storage rack 30 such that the plastic hook 44A is engaged with storage hook 338 on track 310A and the plastic hook 44B is engaged with corresponding storage hook 338 on track 310B, or vice versa.
Next the cap portion 60 is removed from the pallet of stacked goods. If the pallet of stacked goods is tall, the user pushes side 62A up so that side 62C is lowered. The user than grasps the handles 72A, B and pulls the cap portion 60 off the pallet of stacked goods. The user then aligns upper edge 74 of the cap portion 60 with top edge 46 of the folded wrap portion 20 so that the hook fastener portion 64C engages the horizontal band of hook fasteners 52A. Although any hook fastener portion 64 can be attached to any horizontal band of book fasteners 52, the most efficient storage of the cap portion 60 and wrap portion 20 is by mating the hook fastener portion 64C with the horizontal band of hook fasteners 52A. If a storage rack 300 is not present at the second location, then the wrap and cap portions of the covering 18 may be hung or stored on hooks contained in the delivery vehicle. Assuming that a storage rack 300 is present at the second location, the storage rack 300 with the stored coverings 18 is then placed back into the delivery vehicle and transported back to the first location or to a third location e.g., an inspection facility. The coverings 18 may also be inspected by a user for cleanliness or damage. The inspection may take place at the first location, the second location, or a third location.
The specific design of the various cap portions 60, 160, 260, and 360, wrap portion 20, 120, and 120′, and the storage rack 300 mentioned above enable a single user to efficiently remove or place a covering on a pallet of stacked goods that is short, medium, or tall without the help of another or having to use a ladder, chair or other elevation device. This provides for more efficient preparation and shipping of goods as less time is needed to prepare and deliver the pallet of stacked goods.
Numerous modifications to the present invention will be apparent to those skilled in the art in view of the foregoing description. Accordingly, this description is to be construed as illustrative only and is presented for the purpose of enabling those skilled in the art to make and use the invention and to teach the best mode of carrying out same. The exclusive rights to all modifications which come within the scope of the appended claims are reserved.
This application claims the benefit of U.S. Provisional Patent Application No. 61/639,723, filed Apr. 27, 2012, which is hereby incorporated herein in its entirety.
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