A three-piece pocket-size container for holding a consumer product such as smokeless tobacco product in an interior volume of a perimeter band which has a base locked to a lower rim portion and an openable cover on an upper rim of the perimeter band. When closed, the cover, the perimeter band and th
A three-piece pocket-size container for holding a consumer product such as smokeless tobacco product in an interior volume of a perimeter band which has a base locked to a lower rim portion and an openable cover on an upper rim of the perimeter band. When closed, the cover, the perimeter band and the base form a flush exterior sidewall of the container. The base and cover can be metal and the perimeter band can be transparent (clear, tinted or colored) or opaque plastic to provide a container that maintains product freshness, and is easily opened and closed.
대표청구항▼
1. A method of packaging smokeless tobacco products comprising: machine stamping a pan-shaped base having a bottom joined to an upward wall and machine curling an upper edge on the upward wall inwardly to form an inwardly curled edge;injection molding a plastic perimeter band having an upper rim por
1. A method of packaging smokeless tobacco products comprising: machine stamping a pan-shaped base having a bottom joined to an upward wall and machine curling an upper edge on the upward wall inwardly to form an inwardly curled edge;injection molding a plastic perimeter band having an upper rim portion to accept a cover and a lower rim portion to snugly line an interior of the base upward wall, and a protruding bulwark between the upper and lower rim portions, the perimeter band having a plurality of protrusions around a periphery of an exterior of the lower rim portion to engage and permanently lock the curled upper edge on the upward wall;pressing the perimeter band lower rim portion into the base until the inwardly curled edge expands over the protrusions and snaps into a gap between the protrusions and the bulwark;at least partially filling a space within the perimeter band with smokeless tobacco product;covering the upper rim portion of the perimeter band with a cover having a downward wall that fits snugly around the upper rim portion with a parting line between opposed edges of the downward wall and the protruding bulwark of the perimeter band;sealing the parting line with a tear strip to form a pocket-size container. 2. The method of packaging smokeless tobacco products of claim 1, wherein during the injection molding a tray bottom is formed on the perimeter band, the tray bottom being configured to line an interior of the base bottom. 3. The method of packaging smokeless tobacco products of claim 1, wherein the perimeter band is transparent, translucent, tinted, pigmented or opaque plastic. 4. The method of packaging smokeless tobacco products of claim 1, wherein a lower edge of the lower rim portion of the perimeter band is closely adjacent or contacting a bottom of the base and an upper edge of the upper rim portion of the perimeter band is closely adjacent or contacting a top of the cover. 5. The method of packaging smokeless tobacco products of claim 1, wherein the perimeter band is incorporated in a one-piece tray which lines a bottom of the base. 6. The method of packaging smokeless tobacco products of claim 5, wherein the tray contains tobacco pouch products and an upper edge of the perimeter band is hermetically sealed with a membrane. 7. The method of packaging smokeless tobacco products of claim 1, wherein the container is a three-piece container consisting of the cover, base and perimeter band, the base is a metal sheet stamping with a curled upper edge, the cover is a metal sheet stamping with a curled lower edge, and the perimeter band is brightly colored see through plastic. 8. The method of packaging smokeless tobacco products of claim 7, wherein the perimeter band is a single piece of injection molded plastic of a material selected from the group consisting of polypropylene, polyethylene, polystyrene, nylon, polysulfone, polyester, polyurethane, and combinations thereof. 9. The method of packaging smokeless tobacco products of claim 1, further comprising a corrosion resistant coating on at least one of the interior of the base and the interior of the cover. 10. The method of packaging smokeless tobacco products of claim 1, wherein: the base includes two straight sidewalls and two curved endwalls which join a domed bottom of the base in a rounded corner or an abrupt corner with a smooth radius;the sidewall portions are substantially vertical;the cover includes two straight sidewalls and two curved endwalls which join a domed top of the cover in a rounded corner or an abrupt corner with a smooth radius. 11. The method of packaging smokeless tobacco products of claim 1, further comprising: a label on at least one of an exterior surface of the base, an exterior surface of the perimeter band, an exterior surface of the cover, and a combination thereof; anda scratch resistant textured coating on the exterior and/or interior surfaces of the base and the cover. 12. The method of packaging smokeless tobacco products of claim 1, wherein: the downward wall of the cover extends downward from the top and the upward wall of the base extends upward from the bottom a distance in a range of 15% to 45% of the distance from the top to the bottom when the cover closes the container, andthe protruding bulwark of the perimeter band extends a distance in a range of 10% to 70% of the distance from the top to the bottom when the cover closes the container. 13. The method of packaging smokeless tobacco products of claim 1, further comprising: a first membrane sealed to a periphery of the interior space at an upper edge of the perimeter band; and/ora second membrane covering a parting line around a periphery of the container, the parting line formed between the downward wall of the cover and an upper edge of the protruding bulwark when the container is closed;wherein the first and second membranes comprise one of breathable or non-breathable natural or synthetic material, foil, plastic, polypropylene, polyolefin, composites thereof, pressure sensitive, shrink-fit, and combinations thereof. 14. The method of packaging smokeless tobacco products of claim 13, wherein the first membrane comprises a pull tab to remove the first membrane from the upper edge of the perimeter band and/or the second membrane comprises a tamper evident pull tab used to break the second membrane for opening the container.
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Sengewald Karl H. (Kreisstr. 16 D-4801 Halle in Westf. 1 DEX), Process and apparatus for the manufacture of a package made of a thermoplastic synthetic sheet.
Gindrod Paul E. (Madison WI) Griesbach Ray H. (Monona WI) Hustad Gerald O. (McFarland WI), Spring ring easy-open positive-reclose hermetic food package.
Pipes, Jerry Wayne; Patel, Pankaj; Clark, Melissa Ann; Horton, Laya Katina Palmer; Lintner, William Travis, Container for smokeless tobacco products and related packaged product assembly and method.
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