US20060210683A1 - Party tray - Google Patents

Party tray Download PDF

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US20060210683A1
US20060210683A1 US11408442 US40844206A US2006210683A1 US 20060210683 A1 US20060210683 A1 US 20060210683A1 US 11408442 US11408442 US 11408442 US 40844206 A US40844206 A US 40844206A US 2006210683 A1 US2006210683 A1 US 2006210683A1
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Prior art keywords
container body
foodstuffs
step
support tray
method according
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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
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US11408442
Inventor
Wesley Pratte
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Pratte Wesley P
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/04Partitions
    • B65D25/06Partitions adapted to be fitted in two or more alternative positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/0446Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks
    • B65D77/0453Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section
    • B65D77/046Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section and being a tray or like shallow container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/263Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for ventilating the contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0018Upper closure of the 43-type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0093Membrane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2069Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
    • B65D81/2076Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y10T428/24182Inward from edge of web or sheet

Abstract

A party tray includes a support tray and, on the support tray, a sealed package made up of transparent container body and a polymeric sealing sheet sealed to the rim of the container body. The sealed package contains foodstuffs, in particular respiring foodstuffs such as fresh fruits and vegetables, which rest on the sealing sheet; the sealing sheet is in turn supported by the support tray. The sealed package may include an atmosphere control member. When the party tray is on display, its contents are viewed through the single thickness of the container body.

Description

    CROSS-REFERENCE TO RELATED APPLICATION
  • This application is a divisional of copending application Ser. No. 10/222,435 filed Aug. 16, 2002, now U.S. Pat. No. ______ (Docket 14181). This application is also related to (i) a continuation application of application Ser. No. 10/222,435 which is being filed contemporaneously with this application (Docket 14181-1), (ii) a second divisional application of application Ser. No. 10/222,435 which is being filed contemporaneously with this application (Docket 14181-2), and (iii) Pat. No. D482,280, which issued on Design patent application Ser. No.29/165,789 filed Aug. 16, 2002 (Docket 14182). The disclosure of each of those applications is incorporated herein by reference for all purposes.
  • BACKGROUND OF THE INVENTION
  • This invention relates to party trays.
  • The term “party tray” is used herein to denote a tray of assorted foodstuffs to be served at a party. Especially when one or more of the foodstuffs is a respiring foodstuff, for example fresh fruits or vegetables, it is desirable that the party tray should provide a sealed package for the foodstuffs. This makes it possible to use the known technique of modified atmosphere packaging (MAP), and/or to control the initial atmosphere within the party tray, in order to help the foodstuffs to remain in good condition for a longer time, thereby increasing the shelf life of the party tray.
  • Known sealed party trays are usually prepared in quantity in manufacturing facilities, using carefully selected foodstuffs and under carefully controlled conditions. As displayed for sale, such trays comprise a container body containing separate compartments for different foodstuffs; foodstuffs within the compartments; a transparent polymeric sheet which is sealed over the container body, thus providing a sealed package for foodstuffs; and a transparent cover over the sealing sheet. The size of party trays is such that the sealing sheet is not robust enough to withstand routine handling of the tray unless it is protected by a cover. The container body and the cover are formed by molding polymeric materials, the container body being formed with cavity walls which define the separate compartments. The container body is often black or another solid color to provide a contrasting background for the foodstuffs, but can also be clear.
  • When the foodstuffs in the known party tray are to be consumed, the cover and the sealing sheet are removed, and the foodstuffs are served, using the container body as the serving tray.
  • When a party tray is displayed for sale in a supermarket or other store, it is desirable that shoppers should be able to view the contents of the tray clearly, and should have the impression that the tray has been recently prepared at the store level. A disadvantage of the known sealed party trays is that shoppers must view the contents of the tray through the cover and the sealing sheet. This detracts from the appearance of the foodstuffs, and may also indicate to shoppers that the tray has not been prepared at the store level. Another disadvantage is that the cavity walls of the container body are at least 0.375 in. (9 mm) wide. This further detracts from the appearance of the foodstuffs, and also reduces the amount of the foodstuffs that can be placed in a given total volume.
  • SUMMARY OF THE INVENTION
  • I have realized, in accordance with the present invention, that improved results can be obtained by loading the foodstuffs into a transparent container body, securing a sealing sheet to the container body to provide a sealed package containing the foodstuffs; placing a support tray over the sealing sheet; and then turning the assembly of the support tray and the sealed package upside-down. In this specification, the term “in the loading orientation” means that the container body is oriented so that any foodstuffs in it rest on the base of the container body; and the term “in the display orientation” means that the container body is oriented so that the base of the container body in the loading orientation provides the top surface of the sealed package. Thus, if a container body, after having been loaded with foodstuffs and sealed with a sealing sheet, is in the display orientation, the foodstuffs rest on the sealing sheet (which is in turn supported by the support tray), and the foodstuffs are viewed by shoppers through the single thickness of the transparent container body. As a result, the foodstuffs are readily visible, and it is not apparent that the party tray was prepared in a manufacturing facility.
  • When the contents of the novel party tray are to be served, the sealed container body is returned to the loading orientation; the support tray is removed; the sealing sheet is removed; the support tray (or a platter provided by the consumer) is placed over the open container body; the support tray (or provided platter) and container are returned to the display orientation; and finally the container body is removed, so that the foodstuffs can be served from the support tray (or provided platter).
  • I have also realized, in accordance with the present invention, that by using partitions which are prepared separately from the container body, and are then located within the container body, the partitions can provide a smaller proportion of the visual appearance and physical contents of the party tray. In preferred embodiments, the partitions are located within the container body by location members formed in the base and/or wall of the container body.
  • This invention includes novel methods for preparing and/or serving party trays, novel container bodies (and other components) for party trays, novel kits of parts for use in the assembly of party trays, and novel party trays, which make use of, or which can be used to implement, the present invention as summarized above. The invention includes, but is not limited to, the specific aspects of the invention which are set out in the Detailed Description of the Invention below.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The invention is illustrated in the accompanying drawings in which
  • FIGS. 1, 2, 3 and 4 are top, bottom, front and side views, respectively, of a container body for a party tray according to the invention, the container body being in the display orientation;
  • FIGS. 5 and 6 are cross-sections on lines V-V and VI-VI of FIG. 1;
  • FIGS. 7 and 8 are side and top views respectively of partitions for use in conjunction with the container body illustrated in FIGS. 1-6;
  • FIG. 9 is a top view of two partitions as shown in FIGS. 7 and 8 joined together to form a single partition;
  • FIG. 10 is a top view of a container body as shown in FIGS. 1-6 into which have been fitted two pairs of partitions as shown in FIGS. 7-8, joined together as shown in FIG. 9, the container body being shown in the loading orientation;
  • FIG. 11 is a top view of a container body which has been fitted with partitions, as shown in FIG. 10, loaded with vegetables and with a carton of vegetable dip, and then sealed with a polymeric sheet;
  • FIG. 12 is a top view of a loaded and sealed container body as shown in FIG. 11, after a support tray has been placed over the sealing sheet, and the assembly then turned over into the display orientation;
  • FIG. 13 is a cross-sectional view on line XIII-XIII of FIG. 12; and
  • FIGS. 14-16 are top, bottom and side views of another container body for a party tray according to the invention, the container body being in the display orientation.
  • In the drawings, the thicknesses of the components are exaggerated in the interests of clarity. Also the container bodies are shown as having a uniform thickness; in fact, since the container bodies are made by thermoforming polymeric sheets of uniform thickness, their thickness varies, depending upon the amount that the sheet has been deformed, as is well known to those skilled in the art.
  • DETAILED DESCRIPTION OF THE INVENTION
  • In the Summary of the Invention above and in the Detailed Description of the Invention, and the Claims below, and in the accompanying drawings, reference is made to particular features (including method steps) of the invention. It is to be understood that the disclosure of the invention in this specification includes all possible combinations of such particular features. For example, where a particular feature is disclosed in the context of a particular aspect or embodiment of the invention, or a particular claim, that feature can also be used, to the extent possible, in combination with and/or in the context of other particular aspects and embodiments of the invention, and in the invention generally.
  • The term “comprises” and grammatical equivalents thereof are used herein to mean that other components, ingredients, steps etc. are optionally present. For example, an article “comprising” (or “which comprises”) components A, B and C can consist of (i.e. contain only) components A, B and C, or can contain not only components A, B and C but also one or more other components. Where reference is made herein to a method comprising two or more defined steps, the defined steps can be carried out in any order or simultaneously (except where the context excludes that possibility), and the method can include one or more other steps which are carded out before any of the defined steps, between two of the defined steps, or after all the defined steps (except where the context excludes that possibility. The term “at least” followed by a number is used herein to denote the start of a range beginning with that number (which may be a range having an upper limit or no upper limit, depending on the variable being defined). For example “at least 1” means 1 or more than 1. The term “at most” followed by a number is used herein to denote the end of a range ending with that number (which may be a range having 1 or 0 as its lower limit, or a range having no lower limit, depending upon the variable being defined), For example, “at most 4” means 4 or less than 4, and “at most 40%” means 40% or less than 40%. When, in this specification, a range is given as “(a first number) to (a second number)” or “(a first number)-(a second number)”, this means a range whose lower limit is the first number and whose upper limit is the second number. For example, 25-100 mm means a range whose lower limit is 25 mm, and whose upper limit is 100 mm.
  • In a first aspect, this invention provides a method of preparing a party tray which comprises the steps of
      • A) providing a container body which is composed of a transparent polymeric material and which comprises
        • 1) a base.
        • 2) a continuous wall which extends away from the base and is contiguous with the base,
        • 3) a continuous rim which is contiguous with the wall, and
        • 4) partitions which create compartments within the container body;
      • B) placing foodstuffs in the compartments;
      • C) after step B, sealing a sealing sheet of polymeric material to the rim of the container body, thus creating a sealed package which contains the foodstuffs and whose outer surface is defined by the container body and the sealing sheet;
      • D) after step C, placing a support tray over the sealing sheet; and
      • E) after step D, turning the assembly produced in step D upside-down.
  • In a second aspect, this invention provides a container body for a party tray, the container body being composed of a transparent polymeric material and comprising
      • 1) a base,
      • 2) a continuous wall which extends away from the base and is contiguous with the base, and
      • 3) a continuous rim which is contiguous with the wall and which comprises a continuous flat surface to which a sheet of polymeric material can be sealed to create a sealed package whose outer surface is defined by the container body and the sheet of polymeric material,
        at least one of the base and the wall including location members for locating partitions which create compartments within the container body.
  • In a third aspect, this invention provides a kit of parts which comprises at least one container body as defined in the second aspect of the invention, and at least two partitions, the partitions being locatable by the location members so that they create compartments within the container body. The kit of parts preferably contains at least ten container bodies and at least 20 partitions, and may contain many more.
  • In a fourth aspect, this invention provides a party tray which comprises
      • A) a container body which is composed of a transparent polymeric material and which comprises
        • 1) a base,
        • 2) a continuous wall which extends away from the base and is contiguous with the base,
        • 3) a continuous rim which is contiguous with the wall, and
        • 4) partitions which create compartments within the container body and which are removably located within the container body;
      • B) foodstuffs in the compartments; and
      • C) a sealing sheet of polymeric material which is sealed to the rim, thus creating a sealed package which contains the foodstuffs and whose outer surface is defined by the container body and the sealing sheet.
  • In a fifth aspect, this invention provides a method of serving a party tray which comprises
      • A) placing a party tray as defined in the fourth aspect of the invention in the loading orientation;
      • B) after step A, removing the sealing sheet;
      • C) after step B, placing a serving dish over the container body;
      • D) after step C, turning the assembly prepared in step C upside-own so that the foodstuffs are supported on the serving dish; and
      • E) after step D, removing the container body so that the foodstuffs are ready to be served.
  • The sealed packages referred to in describing the invention preferably include an atmosphere control member. The term “atmosphere control member” is used herein to denote any member which modifies the rates at which oxygen and carbon dioxide pass into and out of the sealed package. Atmosphere control members are well-known and are described for example in U.S. Pat. No. 6,376,032 and WO 00/0477, the entire disclosures of which are incorporated herein by reference for all purposes. An atmosphere control member can for example be placed over a window in the container body and/or over a window in the sealing sheet.
  • The container body is generally prepared by molding, preferably thermoforming, a suitable polymeric material, for example, polyethylene, so that the base, wall and rim are parts of a unitary body. However, the invention includes the possibility that the container body is prepared in some other way, for example by securing together two or more separate components. The container body can be of any convenient shape, for example generally rectangular (including square) with rounded corners, or round. The depth of the container body can be for example 1-4 in. (25-100 mm), e.g. 1.25-2.5 in. (30-65 mm). The circumference of the container body can be for example 30-100 in. (760-2,500 mm), e.g. 40-70 in. (1000-1800 mm). The rim of the container body, to which the sealing sheet is sealed, preferably has a width of at least 0.125 in. (3 mm), e.g. 0.15-0.4 in. (4-10 mm). The thickness of the container body is for example 0.02-0.08 in. (0.5-2 mm), and correspondingly less in areas that have been stretched by thermoforming. The container body is preferably shaped so that a plurality of the bodies can be nested together with little or no space between them.
  • The methods of the invention are useful with container bodies in which the partitions am cavity walls which are formed at the same time as the base, wall and rim. Preferably, however, the partitions are prepared separately and then located within the container body. This makes it possible for the partitions to have little or no visual impact when the party tray is in the display orientation. Preferably the partitions are composed of transparent polymeric material, e.g. polyethylene or polypropylene, and have a thickness less than 0.125 in. (3 mm), particularly less than 0.04 in. (1 mm), for example 0.02-0.08 in. (0.5-1 mm). Some or all of the partitions may be corrugated for additional strength, and/or include protrusions or channels and/or be shaped (e.g. have slots therein) so that one or more partitions can be maintained in desired locations relative to each other and/or to the base or wall of the container body. Preferably, the partitions can be disassembled from each other; however, the invention includes the possibility that the partitions are secured together so that they cannot be disassembled. Preferably, the partitions can be removed from the container body; however, the invention includes the possibility that they are secured to the container body so that they cannot be removed. The partitions, when installed in the container body, can for example be substantially straight, or comprise two or more straight portions at right angles to each other, or comprise two or more straight portions with a curved portion (e.g. a quarter circle) between them. In one embodiment, two T-shaped partitions are used, each T-shaped partitions being composed of two L-shaped partitions secured to each other along the leg of the T. In another embodiment, two partitions are parallel to each other and one or more partitions are right angles thereto, and some or all of the partitions are slotted so that the partitions fit together in a desired configuration. Preferably the partitions, before being assembled and located in the container body, have a shape (e.g. are substantially flat) such that a plurality of partitions can be nested together with little or no space between them. Some of the partitions can be provided by one or more components which serve an additional purpose. For example, a carton of dressing (e.g. a vegetable dip) can be placed in the center of the container body so that the walls of the carton help to define the compartments into which the foodstuffs are placed. In another embodiment, some or all of the partitions are the part of a unitary body, for example a single molded polymeric article, or a number of molded articles secured to each other so that they cannot be disassembled. The compartments formed by the partitions need not be completely separate from each other, provided that the partitions maintain the desired separation of the foodstuffs.
  • The partitions can be secured to the base and/or wall of the container body so that they cannot be removed without destroying the container body. Preferably, however, the partitions are removably located in the container body. For this purpose, preferably the base or the wall, or both the base and the wall, include location members for removably locating partitions which have been prepared separately from the rest of the container body, The location members are preferably formed in the container body as it is molded; alternatively, they can be secured to the container body after it has been molded. A wide variety of location members can be employed, and can result in a corresponding variety of design characteristics on the exposed surface of the party tray in the display orientation. For example, the location members can comprise one or more channels which extend away from the interior of the container body. Such a channel can be continuous over the length of the partition, in which case the edge of the partition which fits into the channel can be straight. Alternatively or additionally, part or all of the channel can be discontinuous (e.g. comprise two or more separate short sections), in which case the edge of the partition will include protrusions which fit into the discontinuities. Alternatively or additionally, the location members can comprise one or more ribs which extend into the interior of the container body, in which case the edge of the partition will include one or more conformations, e.g. sockets and/or clips, which interact with the ribs to locate the partition.
  • The support tray is constructed so that a user can pick up the support tray with the sealed party tray package on it, and so that it protects the sealing sheet during handling of the party tray. Preferably, the support tray is made by thermoforming or otherwise molding a suitable polymeric material, e.g. polyethylene. The thickness of the support tray is for example 0.02-0.08 inch (0.5-2 mm). The support tray can be formed with corrugations, ribs or other conformations which increase its structural strength When the sealing sheet includes an atmosphere control member, the support tray preferably comprises ribs such that air can circulate between the support tray and at least the portion of the sealing sheet including the atmosphere control member. The support tray is preferably black or another solid color to provide a contrasting background for viewing the foodstuffs.
  • Those skilled in the art will have no difficulty, having regard to their own knowledge and the disclosure of this specification, in manufacturing suitable container bodies, partitions and support trays.
  • The sealing sheet is preferably heat-sealed to rim of the container body. Suitable sealing sheets, and methods for sealing them to the container bodies, are well known, and those skilled in the art will have no difficulty, having regard to their own knowledge and the disclosure of this specification, in identifying suitable sealing sheets and using them to produce sealed packages in accordance with the invention.
  • The foodstuffs used in the present invention can be of any kind, but the invention is particularly useful when at least one of the foodstuffs is a respiring material, for example a fresh vegetable or fresh fruit. For example, each compartment can contain multiple pieces of a single type of fresh vegetable.
  • Referring now to the drawings, FIGS. 1-6 show a generally rectangular container body of the invention which is in the display orientation. It comprises a base 11, a wall 12, and a rim 13. The wall is corrugated for added strength. The rim 13 includes a continuous flat surface 131. Two outwardly extending channels 14 and two inwardly extending rectangular depressions 15 are formed in the base and wall. The channels 14 and depressions 15 are location members for partitions to be inserted later, as described below.
  • FIGS. 7 and 8 are side and plan views of a partition 2 comprising wings 21 and 22 with a hinge portion 23 between them. Rib 221 is formed in wing 22. FIG. 9 shows two partitions as shown in FIGS. 7 and 8, with the wings 22 joined together by the ribs 221, and the wings 21 bent at right angles to the wings 22.
  • FIG. 10 shows two partitions as shown in FIG. 9 inserted into a container body as shown in FIGS. 1-6, the container body being in the loading orientation, thus creating compartments within the container body.
  • FIG. 11 shows the container body of FIG. 10, again in the loading orientation, which has been loaded with a sealed carton 31 of vegetable dip and with a variety of fresh vegetables 32, 33, 34, 35 and 36, and then sealed with a sealing sheet 4. The sealed carton 31 is first placed, upside-down, in the center of the container body, between the rectangular location members 15, thus creating six compartments into which the fresh vegetables are placed. Thereafter, the polymeric sheet 4 is secured to the flat surface 131 of the rim 13. The polymeric sheet 4 includes an atmosphere control member 41.
  • FIG. 12 shows the loaded and sealed container body of FIG. 11, after a support tray 5 has been placed over it, and the assembly then turned over so that the container body is the display orientation. FIG. 13 is a cross-section on line XIII-XIII of FIG. 12. Support tray 5 has discontinuous upstanding ribs 51 so that air can circulate between the support tray and the sealing sheet 4 and the atmosphere control member 41 can regulate the atmosphere around the fresh vegetables in the party tray.
  • FIGS. 14-16 show a round container body of the invention in the display orientation. It comprises a base 11, a wall 12, and a rim 13. The wall is corrugated for added strength. The rim 13 includes a continuous flat surface 131. Four outwardly extending channels 14 are formed in the base and the wall, and are location members for partitions to be inserted later.

Claims (46)

  1. 1-16. (canceled)
  2. 17. A method of serving a party tray, the method comprising
    (A) providing a party tray which comprises
    (1) a transparent container body which comprises (i) a base and (ii) partitions which extend away from the base and create compartments within the container body;
    (2) foodstuffs in the compartments, at least some of the foodstuffs being multiple pieces of a fresh vegetable;
    (3) a sealing sheet sealed to the container body, thus creating a sealed package (a) which contains the foodstuffs, (b) whose outer surface is defined by the container body and the sealing sheet, and (c) which includes an atmosphere control member included in the sealing sheet; and
    (4) a support tray which is adjacent to the sealing sheet;
    the party tray being in a display orientation in which the foodstuffs rest on the sealing sheet, the sealing sheet is supported by the support tray, and the foodstuffs can be viewed through the container body; and
    the support tray comprising ribs such that air can circulate between the support tray and the atmosphere control member;
    (B) after step (A), turning the party tray upside down, so that the foodstuffs rest on the base of the container body;
    (C) after step (B), removing the support tray;
    (D) after step (C), removing the sealing sheet;
    (E) after step (D), placing a serving dish over the container body;
    (F) after step (E), turning the assembly prepared in step (E) upside down so that the foodstuffs are supported on the serving dish; and
    (G) after step (F), removing the container body so that the foodstuffs are ready to be served from the serving dish.
  3. 18. A method according to claim 17, wherein the dimensions of the support tray are such that the foodstuffs can be served from the serving dish.
  4. 19. A method according to claim 17 wherein the serving dish used in step (G) is the support tray which was removed in step (C).
  5. 20. A method according to claim 17 wherein the container body provided in step (A) comprises partitions which are removably located within the container body.
  6. 21. A method according to claim 17 wherein the container body comprises cavity wall partitions.
  7. 22. A method according to claim 17 wherein the atmosphere control member covers a window in the sealing sheet.
  8. 23. A method according to claim 17 wherein the container body has a depth of 1 to 4 inch and a circumference of 30 to 100 inch.
  9. 24. A method according to claim 17 wherein the container body has a depth of 1.25 to 2.5 inch.
  10. 25. A method according to claim 17 wherein the container body has a depth of 1.25 to 2.5 inch and a circumference of 40 to 70 inch.
  11. 26. A method according to claim 17 wherein the support tray has a thickness of at least 0.02 inch.
  12. 27. A method according to claim 17 wherein the support tray has a thickness of 0.02 to 0.08 inch.
  13. 28. A method according to claim 17 wherein the support tray has a solid color.
  14. 29. A method according to claim 17 wherein the ribs on the support tray are discontinuous upstanding ribs.
  15. 30. A method according to claim 17 wherein the sealed package includes a carton of dressing in the container body, the container having a lid which is adjacent to the base of the container body.
  16. 31. A method of serving a party tray, the method comprising
    (A) providing a party tray which comprises
    (1) a transparent container body which
    (a) has a depth of 1 to 4 inch and a circumference of 30 to 100 inch,
    (b) comprises (i) a base and (ii) cavity wall partitions which extend away from the base and create compartments within the container body;
    (2) foodstuffs in the compartments, at least some of the foodstuffs being multiple pieces of a fresh vegetable;
    (3) a polymeric sealing sheet sealed to the container body, thus creating a sealed package (a) which contains the foodstuffs, (b) whose outer surface is defined by the container body and the sealing sheet, and (c) which includes an atmosphere control member included in the sealing sheet; and
    (4) a support tray which is adjacent to the sealing sheet;
    the party tray being in a display orientation in which the foodstuffs rest on the sealing sheet, the sealing sheet is supported by the support tray, and the foodstuffs can be viewed through the container body; and
    the support tray comprising ribs such that air can circulate between the support tray and the atmosphere control member;
    (B) after step (A), turning the party tray upside down, so that the foodstuffs rest on the base of the container body;
    (C) after step (B), removing the support tray;
    (D) after step (C), removing the sealing sheet;
    (E) after step (D), placing a serving dish over the container body;
    (F) after step (E), turning the assembly prepared in step (E) upside down so that the foodstuffs are supported on the serving dish; and
    (G) after step (F), removing the container body so that the foodstuffs are ready to be served from the serving dish.
  17. 32. A method according to claim 31, wherein the dimensions of the support tray are such that the foodstuffs can be served from the serving dish.
  18. 33. A method according to claim 31 wherein the serving dish used in step (G) is the support tray which was removed in step (C).
  19. 34. A method according to claim 31 wherein the atmosphere control member covers a window in the sealing sheet.
  20. 35. A method according to claim 31 wherein the container body has a depth of 1.25 to 2.5 inch.
  21. 36. A method according to claim 31 wherein the container body has a depth of 1.25 to 2.5 inch and a circumference of 40 to 70 inch.
  22. 37. A method according to claim 31 wherein the support tray has a thickness of at least 0.02 inch.
  23. 38. A method according to claim 31 wherein the support tray has a thickness of 0.02 to 0.08 inch.
  24. 39. A method according to claim 31 wherein the support tray has a solid color.
  25. 40. A method according to claim 31 wherein the ribs on the support tray are discontinuous upstanding ribs.
  26. 41. A method according to claim 31 wherein the sealed package includes a carton of dressing in the container body, the container having a lid which is adjacent to the base of the container body.
  27. 42. A method of serving a party tray, the method comprising
    (A) providing a party tray which comprises
    (1) a transparent container body which
    (a) has a depth of 1 to 4 inch and a circumference of 30 to 100 inch,
    (b) comprises (i) a base and (ii) cavity wall partitions which extend away from the base and create compartments within the container body;
    (2) foodstuffs in the compartments, at least some of the foodstuffs being multiple pieces of a fresh vegetable;
    (3) a carton of dressing in the container body, the container having a lid which is adjacent to the base of the container body.
    (4) a polymeric sealing sheet sealed to the container body, thus creating a sealed package (a) which contains the foodstuffs and the carton of dressing, (b) whose outer surface is defined by the container body and the sealing sheet, and (c) which includes an atmosphere control member which covers a window in the sealing sheet; and
    (5) a support tray which (i) is adjacent to the sealing sheet, (ii) has a thickness of at least 0.02 inch, and (iii) has a solid color;
    the party tray being in a display orientation in which the foodstuffs rest on the sealing sheet, the sealing sheet is supported by the support tray, and the foodstuffs can be viewed through the container body; and
    the support tray comprising discontinuous upstanding ribs such that air can circulate between the support tray and the atmosphere control member;
    (B) after step (A), turning the party tray upside down, so that the foodstuffs rest on the base of the container body;
    (C) after step (B), removing the support tray;
    (D) after step (C), removing the sealing sheet;
    (E) after step (D), placing a serving dish over the container body;
    (F) after step (E), turning the assembly prepared in step (E) upside down so that the foodstuffs are supported on the serving dish; and
    (G) after step (F), removing the container body so that the foodstuffs are ready to be served from the serving dish; and
    the dimensions of the support tray being such that, if the serving dish used in step (G) has the same dimensions as the support tray, the foodstuffs can be served from the serving dish.
  28. 43. A method according to claim 42 wherein the serving dish used in step (G) is the support tray which was removed in step (C).
  29. 44. A method according to claim 42 wherein the container body has a depth of 1.25 to 2.5 inch.
  30. 45. A method according to claim 42 wherein the container body has a depth of 1.25 to 2.5 inch and a circumference of 40 to 70 inch.
  31. 46. A method according to claim 42 wherein the support tray has a thickness of 0.02 to 0.08 inch.
  32. 47. A method of serving a party tray, the method comprising
    (A) providing a party tray which comprises
    (1) a transparent container body which
    (a) has a depth of 1 to 4 inch and a circumference of 30 to 100 inch,
    (b) comprises (i) a base and (ii) partitions which are removably located within the container body, which extend away from the base and which create compartments within the container body;
    (2) foodstuffs in the compartments, at least some of the foodstuffs being multiple pieces of a fresh vegetable;
    (3) a polymeric sealing sheet sealed to the container body, thus creating a sealed package (a) which contains the foodstuffs, (b) whose outer surface is defined by the container body and the sealing sheet, and (c) which includes an atmosphere control member included in the sealing sheet; and
    (4) a support tray which is adjacent to the sealing sheet;
    the party tray being in a display orientation in which the foodstuffs rest on the sealing sheet, the sealing sheet is supported by the support tray, and the foodstuffs can be viewed through the container body; and
    the support tray comprising ribs such that air can circulate between the support tray and the atmosphere control member;
    (B) after step (A), turning the party tray upside down, so that the foodstuffs rest on the base of the container body;
    (C) after step (B), removing the support tray;
    (D) after step (C), removing the sealing sheet;
    (E) after step (D), placing a serving dish over the container body;
    (F) after step (E), turning the assembly prepared in step (E) upside down so that the foodstuffs are supported on the serving dish; and
    (G) after step (F), removing the container body so that the foodstuffs are ready to be served from the serving dish.
  33. 48. A method according to claim 47, wherein the dimensions of the support tray is such that, if the serving dish used in step (G) has the same dimensions as the support tray, the foodstuffs can be served from the serving dish.
  34. 49. A method according to claim 47 wherein the serving dish used in step (G) is the support tray which was removed in step (C).
  35. 50. A method according to claim 47 wherein the atmosphere control member covers a window in the sealing sheet.
  36. 51. A method according to claim 47 wherein the container body has a depth of 1.25 to 2.5 inch.
  37. 52. A method according to claim 47 wherein the container body has a depth of 1.25 to 2.5 inch and a circumference of 40 to 70 inch.
  38. 53. A method according to claim 47 wherein the support tray has a thickness of at least 0.02 inch.
  39. 54. A method according to claim 47 wherein the support tray has a thickness of 0.02 to 0.08 inch.
  40. 55. A method according to claim 47 wherein the support tray has a solid color.
  41. 56. A method according to claim 47 wherein the ribs on the support tray are discontinuous upstanding ribs.
  42. 57. A method of serving a party tray, the method comprising
    (A) providing a party tray which comprises
    (1) a transparent container body which
    (a) has a depth of 1 to 4 inch and a circumference of 30 to 100 inch,
    (b) comprises (i) a base and (ii) partitions which are removably located within the container body, which extend away from the base, and which create compartments within the container body;
    (2) foodstuffs in the compartments, at least some of the foodstuffs being multiple pieces of a fresh vegetable;
    (3) a carton of dressing in the container body, the container having a lid which is adjacent to the base of the container body;
    (4) a polymeric sealing sheet sealed to the container body, thus creating a sealed package (a) which contains the foodstuffs and the carton of dressing, (b) whose outer surface is defined by the container body and the sealing sheet, and (c) which includes an atmosphere control member which covers a window in the sealing sheet; and
    (4) a support tray which (i) is adjacent to the sealing sheet, (ii) has a thickness of at least 0.02 inch, and (iii) has a solid color;
    the party tray being in a display orientation in which the foodstuffs rest on the sealing sheet, the sealing sheet is supported by the support tray, and the foodstuffs can be viewed through the container body; and
    the support tray comprising discontinuous upstanding ribs such that air can circulate between the support tray and the atmosphere control member;
    (B) after step (A), turning the party tray upside down, so that the foodstuffs rest on the base of the container body;
    (C) after step (B), removing the support tray;
    (D) after step (C), removing the sealing sheet;
    (E) after step (D), placing a serving dish over the container body;
    (F) after step (E), turning the assembly prepared in step (E) upside down so that the foodstuffs are supported on the serving dish; and
    (G) after step (F), removing the container body so that the foodstuffs are ready to be served from the serving dish;
    the dimensions of the support tray being such that, if the serving dish used in step (G) has the same dimensions as the support tray, the foodstuffs can be served from the serving dish.
  43. 58. A method according to claim 57 wherein the serving dish used in step (G) is the support tray which was removed in step (C).
  44. 59. A method according to claim 57 wherein the container body has a depth of 1.25 to 2.5 inch.
  45. 60. A method according to claim 57 wherein the container body has a depth of 1.25 to 2.5 inch and a circumference of 40 to 70 inch.
  46. 61. A method according to claim 57 wherein the support tray has a thickness of 0.02 to 0.08 inch.
US11408442 2002-08-16 2006-04-20 Party tray Abandoned US20060210683A1 (en)

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US11408442 US20060210683A1 (en) 2002-08-16 2006-04-20 Party tray

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US11408442 US20060210683A1 (en) 2002-08-16 2006-04-20 Party tray

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US10222435 Active 2022-09-24 US7083818B2 (en) 2002-08-16 2002-08-16 Party tray
US11408443 Abandoned US20060210682A1 (en) 2002-08-16 2006-04-20 Party tray
US11409354 Abandoned US20060210684A1 (en) 2002-08-16 2006-04-20 Party tray
US11408442 Abandoned US20060210683A1 (en) 2002-08-16 2006-04-20 Party tray

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US11408443 Abandoned US20060210682A1 (en) 2002-08-16 2006-04-20 Party tray
US11409354 Abandoned US20060210684A1 (en) 2002-08-16 2006-04-20 Party tray

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US20060210684A1 (en) 2006-09-21 application
US20060210682A1 (en) 2006-09-21 application
US20040033338A1 (en) 2004-02-19 application
US7083818B2 (en) 2006-08-01 grant

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