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    • 3. 发明专利
    • FOOD CONTAINER WITH INTERCHANGEABLE LID-BASE SEAL DESIGN
    • CA2387178A1
    • 2002-11-25
    • CA2387178
    • 2002-05-22
    • FORT JAMES CORP
    • VAN HANDEL GERALD JWHITMORE REBECCA ELITTLEJOHN MARK BDEES JEROME G
    • B65D41/18B65D43/02B65D45/04
    • There is provided a container having both male and female sealing regio ns disposed about its periphery in a pattern making it possible to seal a container with another container having substantially identical sealing regions. The male sealing regions used in the practice of the present invention may take the form of a U- shaped ridge which is undercut along at least one leg of the U. Typically, a container will be thermoformed from lightweight thermoplastic material giving the U-shaped rid ge considerable flexibility. The female sealing regions used in the practice of the invention may take the form of an undercut channel adapted to receive and match the undercut U-shaped ridges found in the male portion of the container wherein the walls and base of the channel are sufficiently flexible that the undercut portions of the U-shaped ridge are urged into engagement with the undercut portions of the channel and the crest of the ridge is urged into the channel. Preferably, both a medial portion of the crest of the U-shaped ridge and a mating medial portion of the bottom of the corresponding channel are substantially mating so that as the undercut portions of the channel and the undercut portions of the U-shaped ridge are urged into engagement, substantial surface to surface contact between the mating portions of the crest of the U-shaped ridge and the bottom of the channel will form an additional seal. I n one particularly preferred mode of practicing the invention an enclosed containe r having identical top and bottom portions is provided with circumferential interlock s about the portions of the rim transitioning between male and female portions.
    • 4. 发明专利
    • DISPOSABLE BEVERAGE BREWING SYSTEM
    • CA2246849A1
    • 1999-03-11
    • CA2246849
    • 1998-09-11
    • FORT JAMES CORP
    • SWOBODA DEAN PPATTERSON ROBERTBOWERS DEBRA DWHITMORE REBECCA E
    • A47J31/02A47J31/06A47J31/20B65D81/00B65D85/804
    • A disposable filter press device for making a brewed beverage from a combination of liquid and material to be brewed includes a first disposable cup and a second disposable cup. The first disposable cup has a closed bottom, an open t op and a sidewall extending around the entire circumferential extent of the first c up, while the second disposable cup is sized and configured to be positioned in the first cup. The second cup has a bottom end, an open top and a sidewall extending around the entire circumferential extent of the second cup. The second cup also includes a filter for filtering the brewed beverage from the material used to br ew the brewed beverage as the second cup is moved relative to the first cup. The filter press device can also be provided with a mechanism for connecting the second cup to the first cup with the second cup being in an inverted, bottom end up position. The filter press device provides enhanced beverage taste over conventional drip brewed coffee, coffee ground or tea leaf separation from the brewed beverage, a spill proof closure of the brewed beverage cup, and improved insulation and structural rigidity of the cup both during and after brewing. Als o, single-cup brewing, disposability and convenience are realized.