US20150136786A1 - Stay-fresh food container - Google Patents
Stay-fresh food container Download PDFInfo
- Publication number
- US20150136786A1 US20150136786A1 US14/514,903 US201414514903A US2015136786A1 US 20150136786 A1 US20150136786 A1 US 20150136786A1 US 201414514903 A US201414514903 A US 201414514903A US 2015136786 A1 US2015136786 A1 US 2015136786A1
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- US
- United States
- Prior art keywords
- receptacle
- container
- lid
- plunger
- piston
- 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.)
- Abandoned
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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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/04—Partitions
- B65D25/06—Partitions adapted to be fitted in two or more alternative positions
-
- 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
- B65D81/00—Containers, 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
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G23/00—Other table equipment
- A47G23/06—Serving trays
- A47G23/0633—Attachments to trays
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/02—Closed containers for foodstuffs
-
- 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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/08—Containers of variable capacity
- B65D21/086—Collapsible or telescopic containers
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
-
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped
-
- 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/32—Closures with discharging devices other than pumps with means for venting
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
- B65D51/1683—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element by actuating a separate element in the container or closure
-
- 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/02—Collars or rings
Definitions
- the invention relates to a container for preserving the freshness of food, and more particularly to a container with a moveable piston that removes air from the container by decreasing the effective volume of the container.
- a container for storing a food product includes a receptacle having a first open end and an opposing second open end.
- a piston is configured for at least partial disposal within the receptacle and includes a surface to support the food product.
- a lid is securable to the first open end of the receptacle.
- An engaging member is engageable through the second open end of the receptacle with the piston for movement therewith. Upon movement of the engaging member the surface is slidable within the receptacle.
- a container for storing a food product includes a receptacle and a plunger slidably movable along an inner wall of the receptacle.
- the plunger includes a support surface for the food product and a seal configured to form a seal between the support surface and the inner wall.
- a rounded lid with an apex is configured to be sealingly coupled to the receptacle.
- the lid includes a vent located at the apex.
- a method of storing a food product includes placing the food product on a surface of a plunger at least partially disposed within a receptacle. The method also includes coupling a lid having a curved portion with an apex and a sealable vent hole at the apex to an end of the receptacle. The method further includes displacing the plunger toward the apex.
- FIG. 1 is a perspective view of a food storage container according to an embodiment of the invention.
- FIG. 2 is a perspective view of a food storage container according to another embodiment of the invention.
- FIG. 3 is an exploded view of the food storage container of FIG. 1 .
- FIG. 4 is a cross-sectional view taken along line 4 - 4 in FIG. 1 .
- FIG. 4A is an exploded view of an alternative plunger and base for the food storage container of FIG. 1 .
- FIG. 4B is an unexploded cross-sectional view taken along line 4 B- 4 B in FIG. 4A .
- FIG. 5 is an exploded view of the food storage container of FIG. 1 incorporated into a serving tray.
- FIG. 6 is a cross-sectional view of the food storage container of FIG. 1 incorporated into a serving tray.
- FIGS. 7-10 illustrate operation of the food storage container of FIG. 1 .
- FIG. 11 is a perspective view of a food storage container according to yet another embodiment of the invention.
- FIG. 12 is another perspective view of the food storage container of FIG. 11 .
- FIG. 13 is an exploded view of the food storage container of FIG. 11 .
- FIG. 14 is an exploded view of the food storage container of FIG. 11 incorporated into a serving tray.
- FIG. 15 is a cross-sectional view of the food storage container of FIG. 11 incorporated into a serving tray.
- FIG. 1 illustrates a food storage container 10 for storing food products, in particular oxygen-sensitive food products, such as guacamole or other dips, spreads, or sauces.
- the container 10 includes a receptacle 14 , a lid 18 , a plunger or piston 22 , and a base or engaging member 26 .
- the receptacle 14 defines a longitudinal axis 34 and includes an inner sidewall 36 and first and second open ends 38 , 42 .
- the illustrated receptacle 14 is in the form of a cylinder, but in an alternative embodiment could be based on a cross-sectional shape other than circular, e.g., oval, rectangular, etc.
- a peripheral flange 44 is integrally formed with or otherwise secured to the receptacle 14 at the first or upper end 38 .
- the receptacle 14 is made of food-safe plastic and is substantially transparent. In other embodiments, the receptacle 14 may be made of other materials, such as glass or ceramic.
- the lid 18 is removably coupled to the first end 38 of the receptacle 14 by a plurality of clamps or latches 46 positioned around the periphery of the lid 18 .
- Each of the latches 46 includes a hook portion 50 for engaging the peripheral flange 44 and an attachment portion 54 rotatably coupled to the lid 18 .
- an annular sealing ring 58 is seated within a channel 60 formed in the underside of the lid 18 and dimensioned to circumferentially contact at least a portion of the flange 44 .
- the lid 18 includes three equally-spaced latches 46 . In other embodiments the lid 18 may include four or more latches of equal or variable spacing.
- the lid 18 may be removably coupled to the first end 38 in other ways (e.g., using a snap fit or a threaded connection). Alternatively, the lid 18 may be pivotally coupled to the receptacle 14 .
- the lid 18 is uniformly curved or rounded and includes a vent 62 centrally located at an apex 64 of the curved or rounded portion of the lid 18 .
- a cap 66 is provided to selectively seal the vent 62 from the external environment and includes a lever 70 having a first end 74 pivotally coupled to the lid 18 adjacent an attachment portion 54 of one of the latches 46 and a second end or gripping portion 78 supporting a sealing plug 82 formed for insertion into the vent 62 .
- the sealing plug 82 can be snap-fit onto the gripping portion 78 and constructed of acrylonitrile butadiene styrene (ABS) or polypropylene. In other embodiments, the sealing plug 82 can be overmolded and constructed of, for example, nylon.
- the piston 22 is slidably disposed within the receptacle 14 and includes a main body 84 made of nylon having an upper surface 86 , a peripheral seal 90 , and a receiving portion 94 made of polypropylene opposite the upper surface 86 .
- the main body 84 and the receiving portion 94 may be integrally formed together as a single nylon part.
- axially-extending strips or ridges 98 are disposed around the perimeter of the receiving portion 94 and project radially to define contact surfaces 102 ( FIG. 3 ), which are dimensioned to contact the inside surface of the receptacle 14 . Referring to FIG.
- the contact surfaces 102 may include a friction-enhancing material, coating or surface treatment to increase frictional interaction with the receptacle 14 .
- the receiving portion 94 may include additional friction-enhancing portions 106 , such as plastic, rubber, or foam strips, studs, or raised points for the same purpose.
- the seal 90 includes an upper support surface 108 and a pair of peripheral wiper seals 110 offset from one another along the longitudinal axis 34 .
- the seal 90 is overmolded on or otherwise secured to the main body 84 so that the upper surface 108 of the seal 90 spans across the upper surface 86 of the body 84 .
- the upper surface 108 of the seal 90 defines the top surface of the piston 22 .
- the seal 90 is overmolded directly thereon.
- the wiper seals 110 can be in the form of a ring positioned within a peripheral track formed in the main body 84 .
- a track or groove 112 located near the surface 86 a of an alternative body 84 a receives a circumferential seal ring 90 a with wiper seals 110 a and constructed of any material suitable for sealing.
- the seal 90 may include one or more O-rings received in corresponding grooves formed in the piston 22 .
- any other means for creating a seal between the piston 22 and the receptacle 14 may be employed, for example a “w” type seal, a “u” type seal, a square cross section seal, or a single broad band retained in an indented space.
- the seal 90 is made of a resilient material, such as silicone or rubber.
- the engaging member 26 forms a hollow cylindrical body 118 having a first end 122 and a second end 126 .
- a plurality of projections 130 extends from the first end 122 of the body 118 .
- the projections 130 are sized and shaped to be received by corresponding recesses 134 of the receiving portion 94 of the piston 22 .
- Axially-extending strips or ridges 138 are disposed around the perimeter of the engaging member 26 , corresponding with the ridges 98 on the receiving portion 94 of the piston 22 .
- the ridges 138 project radially to define contact surfaces 142 for contact with the inside surface of the receptacle 14 and are tapered toward the second end 126 . As illustrated in FIG.
- the contact surfaces 142 may also include a friction-enhancing material, coating or surface treatment to increase the friction between the engaging portion 26 and the receptacle 14 .
- projections 130 a of an alternative base 26 a may be radially offset from the base wall 28 a and configured to cooperate with corresponding recessed portions 134 a of a receiving portion 94 a in a “tongue and groove” manner.
- FIGS. 5 and 6 illustrate the container 10 of FIG. 1 positioned within a central bore 146 of a serving tray 150 .
- the central bore 146 has an annular bottom wall 154 on which the container 10 is supported and surrounded by a bowl portion 158 suitable for accommodating chips or other items that may complement the food product 144 stored within the container 10 .
- the receptacle 14 is pushed downward in the direction of arrow B.
- the second end 126 of the engaging member 26 bears against the bottom wall 154 of the tray 150 to move the piston 22 towards the upper end 38 of the receptacle 14 .
- the receptacle 14 , upper surface 108 , and lid 18 together define a food storage chamber 114 with a resulting volume.
- the piston 22 is displaceable within the receptacle 14 to vary the volume in order to remove excess air from around a food product 144 stored within the container 10 ( FIGS. 7-10 ).
- a user places the food product 144 into the food storage chamber 114 on top of the upper surface 108 ( FIG. 7 ).
- the user next places the lid 18 on the first end 38 of the receptacle 14 and engages the latches 46 to secure the lid 18 ( FIG. 8 ) such that the lid 18 forms a substantially air-tight seal with the first end 38 .
- the cap 66 remains disengaged from the vent 62 .
- the engaging member 26 is inserted through the second end 42 of the receptacle 14 and the projections 130 are aligned with the recesses 134 to interconnect or interlock the engaging member 26 and the piston 22 .
- the second end 126 of the engaging member extends beyond the second end 42 of the receptacle 14 . Accordingly, the engaging member 26 is now configured to be pushed in the direction of arrow A to actuate the piston 22 (i.e. to move the piston 22 toward the lid 18 ).
- the engaging member 26 may be positioned on a stationary surface, and the receptacle 14 may be pushed downward toward that surface in the direction of arrow B.
- the user pushes on the engaging member 26 in the direction of arrow A (or pushes down on the receptacle 14 in the direction of arrow B), causing the engaging member 26 and the piston 22 to move together toward the lid 18 ( FIG. 9 ), with the circumferential seal 90 creating a seal between the outer periphery of the piston 22 and the inside surface of the receptacle 14 .
- the volume of the food storage chamber 114 is reduced and excess air above the food product 144 is discharged through the vent 62 .
- the user continues moving the piston 22 toward the lid 18 until the food product 144 contacts the lid 18 , and preferably until the food product reaches the apex 64 of the lid 18 .
- the user closes the vent 62 by pivoting the cap 66 to the closed position, which seals the food product 144 within the container 10 ( FIG. 10 ).
- the engaging member 26 can be disengaged from the piston 22 and removed through the second end 42 of the receptacle 14 .
- FIGS. 11-15 illustrate a container 210 according to another embodiment.
- This embodiment comprises much of the same structure and features as the embodiment described above in connection with FIGS. 1-10 . Accordingly, the following description focuses primarily upon the structure and features that are different from the embodiment of FIGS. 1-10 and reference should be made to the description above in connection with FIGS. 1-10 for additional information and possible alternatives to the structure and features of the container 210 .
- Elements of the container 210 that are the same as or similar to elements of the container 10 described with regard to FIGS. 1-10 are assigned reference numerals based on the reference numerals for FIGS. 1-10 plus 200 .
- the container 210 includes a receptacle 214 , a lid 218 , a plunger or piston 222 , and a base or engaging member 226 .
- the lid 218 is removably coupled to a first or upper end 238 of the receptacle 214 by a plurality of latches 246 positioned around the periphery of the lid 218 .
- the lid 218 includes four equally-spaced latches 246 .
- the lid 218 is similarly curved or rounded.
- a vent 262 is centrally located at an apex 264 of the lid 18 , and a “snap” cap 266 is provided to selectively seal the vent 262 .
- the cap 266 includes a retaining ring 268 surrounding the vent 262 to retain the cap 266 with the lid 218 .
- a plug 282 on the cap 266 is insertable into the vent 262 to seal the vent 262 ( FIG. 15 ).
- the piston 222 is slidably disposed within the receptacle 214 and includes a main body 284 having an upper surface 286 , a peripheral seal 290 , and a lower portion 294 opposite the upper surface 286 .
- the engaging member 226 forms a hollow cylindrical body 318 having a first end 322 , a second end 326 , and a plurality of slots or notches 332 located in the first end 322 .
- the notches 332 are sized and shaped to receive corresponding pins 336 located on the lower portion 294 of the piston 222 , as shown in FIG. 12 .
- Operation of the container 210 is substantially similar to the operation of the container 10 as described above with reference to FIGS. 7-10 .
- the second end 326 of the engaging member 226 When engaged with the piston 222 , the second end 326 of the engaging member 226 extends beyond the second end 242 of the receptacle 214 and can be pushed in the direction of arrow A to move the piston 222 toward the lid 218 .
- the engaging member 226 may be positioned on a stationary surface, and the receptacle 214 may be pushed downward toward the surface in the direction of arrow B. Once the air has been expelled from the volume, the cap 266 is positioned to seal the food product within the container 210 .
- FIGS. 14 and 15 illustrate the container 210 of FIG. 11 accommodated within a central bore 346 of a serving tray 350 , in which the central bore 346 has an annular bottom wall 354 on which the container 10 is supported and surrounded by a bowl portion 358 .
- the receptacle 214 is pushed downward in the direction of arrow B.
- the second end 326 of the engaging member 226 bears against the bottom wall 354 of the tray 350 to move the piston 222 towards the upper end 238 of the receptacle 214 .
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Abstract
A container for storing a food product includes a receptacle and a plunger slidably movable along an inner wall of the receptacle. The plunger includes a support surface for the food product and a seal configured to form a seal between the support surface and the inner wall. A rounded lid with an apex is configured to be sealingly coupled to the receptacle. The lid includes a vent located at the apex.
Description
- This application claims priority to co-pending U.S. Provisional Patent Application No. 61/906,056 filed on Nov. 19, 2013, the entire content of which is incorporated herein by reference.
- The invention relates to a container for preserving the freshness of food, and more particularly to a container with a moveable piston that removes air from the container by decreasing the effective volume of the container.
- Many products, particularly food products, lose their freshness through age and oxidization. Even when these products are stored in generally air-tight containers, the air trapped within the container may actively participate in the oxidation process. Aging and decay is particularly rapid in fruit- and vegetable-based items due to high contents of oxygen-sensitive nutrients. For example, guacamole discolors within hours when in contact with open air, and rapidly reaches the end of its shelf life. Accordingly, a need exists for a container that preserves the freshness of food or other oxygen-sensitive products.
- In one embodiment, a container for storing a food product includes a receptacle having a first open end and an opposing second open end. A piston is configured for at least partial disposal within the receptacle and includes a surface to support the food product. A lid is securable to the first open end of the receptacle. An engaging member is engageable through the second open end of the receptacle with the piston for movement therewith. Upon movement of the engaging member the surface is slidable within the receptacle.
- In one embodiment, a container for storing a food product includes a receptacle and a plunger slidably movable along an inner wall of the receptacle. The plunger includes a support surface for the food product and a seal configured to form a seal between the support surface and the inner wall. A rounded lid with an apex is configured to be sealingly coupled to the receptacle. The lid includes a vent located at the apex.
- In one embodiment, a method of storing a food product includes placing the food product on a surface of a plunger at least partially disposed within a receptacle. The method also includes coupling a lid having a curved portion with an apex and a sealable vent hole at the apex to an end of the receptacle. The method further includes displacing the plunger toward the apex.
- Other features and aspects of the invention will become apparent by consideration of the following detailed description and accompanying drawings.
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FIG. 1 is a perspective view of a food storage container according to an embodiment of the invention. -
FIG. 2 is a perspective view of a food storage container according to another embodiment of the invention. -
FIG. 3 is an exploded view of the food storage container ofFIG. 1 . -
FIG. 4 is a cross-sectional view taken along line 4-4 inFIG. 1 . -
FIG. 4A is an exploded view of an alternative plunger and base for the food storage container ofFIG. 1 . -
FIG. 4B is an unexploded cross-sectional view taken alongline 4B-4B inFIG. 4A . -
FIG. 5 is an exploded view of the food storage container ofFIG. 1 incorporated into a serving tray. -
FIG. 6 is a cross-sectional view of the food storage container ofFIG. 1 incorporated into a serving tray. -
FIGS. 7-10 illustrate operation of the food storage container ofFIG. 1 . -
FIG. 11 is a perspective view of a food storage container according to yet another embodiment of the invention. -
FIG. 12 is another perspective view of the food storage container ofFIG. 11 . -
FIG. 13 is an exploded view of the food storage container ofFIG. 11 . -
FIG. 14 is an exploded view of the food storage container ofFIG. 11 incorporated into a serving tray. -
FIG. 15 is a cross-sectional view of the food storage container ofFIG. 11 incorporated into a serving tray. - Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
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FIG. 1 illustrates afood storage container 10 for storing food products, in particular oxygen-sensitive food products, such as guacamole or other dips, spreads, or sauces. Thecontainer 10 includes areceptacle 14, alid 18, a plunger orpiston 22, and a base orengaging member 26. - With further reference to
FIG. 3 , thereceptacle 14 defines a longitudinal axis 34 and includes aninner sidewall 36 and first and secondopen ends receptacle 14 is in the form of a cylinder, but in an alternative embodiment could be based on a cross-sectional shape other than circular, e.g., oval, rectangular, etc. A peripheral flange 44 is integrally formed with or otherwise secured to thereceptacle 14 at the first orupper end 38. Thereceptacle 14 is made of food-safe plastic and is substantially transparent. In other embodiments, thereceptacle 14 may be made of other materials, such as glass or ceramic. - The
lid 18 is removably coupled to thefirst end 38 of thereceptacle 14 by a plurality of clamps orlatches 46 positioned around the periphery of thelid 18. Each of thelatches 46 includes ahook portion 50 for engaging the peripheral flange 44 and an attachment portion 54 rotatably coupled to thelid 18. Referring also toFIG. 4 , anannular sealing ring 58 is seated within a channel 60 formed in the underside of thelid 18 and dimensioned to circumferentially contact at least a portion of the flange 44. As illustrated, thelid 18 includes three equally-spacedlatches 46. In other embodiments thelid 18 may include four or more latches of equal or variable spacing. In yet other embodiments, thelid 18 may be removably coupled to thefirst end 38 in other ways (e.g., using a snap fit or a threaded connection). Alternatively, thelid 18 may be pivotally coupled to thereceptacle 14. - With continued reference to
FIGS. 3 and 4 , thelid 18 is uniformly curved or rounded and includes avent 62 centrally located at an apex 64 of the curved or rounded portion of thelid 18. Acap 66 is provided to selectively seal thevent 62 from the external environment and includes a lever 70 having afirst end 74 pivotally coupled to thelid 18 adjacent an attachment portion 54 of one of thelatches 46 and a second end or grippingportion 78 supporting a sealing plug 82 formed for insertion into thevent 62. The sealing plug 82 can be snap-fit onto the grippingportion 78 and constructed of acrylonitrile butadiene styrene (ABS) or polypropylene. In other embodiments, the sealing plug 82 can be overmolded and constructed of, for example, nylon. - The
piston 22 is slidably disposed within thereceptacle 14 and includes a main body 84 made of nylon having an upper surface 86, aperipheral seal 90, and a receivingportion 94 made of polypropylene opposite the upper surface 86. Although shown as separate parts inFIGS. 3 and 4 , the main body 84 and the receivingportion 94 may be integrally formed together as a single nylon part. In the illustrated embodiment, axially-extending strips orridges 98 are disposed around the perimeter of the receivingportion 94 and project radially to define contact surfaces 102 (FIG. 3 ), which are dimensioned to contact the inside surface of thereceptacle 14. Referring toFIG. 2 , the contact surfaces 102 may include a friction-enhancing material, coating or surface treatment to increase frictional interaction with thereceptacle 14. Optionally, the receivingportion 94 may include additional friction-enhancingportions 106, such as plastic, rubber, or foam strips, studs, or raised points for the same purpose. - Referring to
FIGS. 3 and 4 , theseal 90 includes anupper support surface 108 and a pair of peripheral wiper seals 110 offset from one another along the longitudinal axis 34. Theseal 90 is overmolded on or otherwise secured to the main body 84 so that theupper surface 108 of theseal 90 spans across the upper surface 86 of the body 84. As such, theupper surface 108 of theseal 90 defines the top surface of thepiston 22. Alternatively, if the main body 84 and the receivingportion 94 are formed as one part, theseal 90 is overmolded directly thereon. - In other embodiments, the wiper seals 110 can be in the form of a ring positioned within a peripheral track formed in the main body 84. Referring to
FIGS. 4A and 4B , for example, rather than the previously describedseal 90, a track or groove 112 located near the surface 86 a of an alternative body 84 a receives a circumferential seal ring 90 a withwiper seals 110 a and constructed of any material suitable for sealing. - In additional embodiments, the
seal 90 may include one or more O-rings received in corresponding grooves formed in thepiston 22. Alternatively, any other means for creating a seal between thepiston 22 and thereceptacle 14 may be employed, for example a “w” type seal, a “u” type seal, a square cross section seal, or a single broad band retained in an indented space. Theseal 90 is made of a resilient material, such as silicone or rubber. - The engaging
member 26 forms a hollowcylindrical body 118 having afirst end 122 and asecond end 126. A plurality ofprojections 130 extends from thefirst end 122 of thebody 118. Theprojections 130 are sized and shaped to be received by correspondingrecesses 134 of the receivingportion 94 of thepiston 22. Axially-extending strips orridges 138 are disposed around the perimeter of the engagingmember 26, corresponding with theridges 98 on the receivingportion 94 of thepiston 22. Theridges 138 project radially to definecontact surfaces 142 for contact with the inside surface of thereceptacle 14 and are tapered toward thesecond end 126. As illustrated inFIG. 2 , the contact surfaces 142 may also include a friction-enhancing material, coating or surface treatment to increase the friction between the engagingportion 26 and thereceptacle 14. Referring again toFIGS. 4A and 4B ,projections 130 a of an alternative base 26 a may be radially offset from thebase wall 28 a and configured to cooperate with corresponding recessedportions 134 a of a receivingportion 94 a in a “tongue and groove” manner. -
FIGS. 5 and 6 illustrate thecontainer 10 ofFIG. 1 positioned within acentral bore 146 of a servingtray 150. Thecentral bore 146 has an annular bottom wall 154 on which thecontainer 10 is supported and surrounded by a bowl portion 158 suitable for accommodating chips or other items that may complement the food product 144 stored within thecontainer 10. - To actuate the
piston 22 when thecontainer 10 is disposed within the servingtray 150, thereceptacle 14 is pushed downward in the direction of arrow B. Thesecond end 126 of the engagingmember 26 bears against the bottom wall 154 of thetray 150 to move thepiston 22 towards theupper end 38 of thereceptacle 14. - With reference to
FIG. 1 , thereceptacle 14,upper surface 108, andlid 18 together define afood storage chamber 114 with a resulting volume. As described in greater detail below, thepiston 22 is displaceable within thereceptacle 14 to vary the volume in order to remove excess air from around a food product 144 stored within the container 10 (FIGS. 7-10 ). - Referring to
FIGS. 7-10 , in operation, a user places the food product 144 into thefood storage chamber 114 on top of the upper surface 108 (FIG. 7 ). The user next places thelid 18 on thefirst end 38 of thereceptacle 14 and engages thelatches 46 to secure the lid 18 (FIG. 8 ) such that thelid 18 forms a substantially air-tight seal with thefirst end 38. Thecap 66 remains disengaged from thevent 62. - The engaging
member 26 is inserted through thesecond end 42 of thereceptacle 14 and theprojections 130 are aligned with therecesses 134 to interconnect or interlock the engagingmember 26 and thepiston 22. When engaged with thepiston 22, thesecond end 126 of the engaging member extends beyond thesecond end 42 of thereceptacle 14. Accordingly, the engagingmember 26 is now configured to be pushed in the direction of arrow A to actuate the piston 22 (i.e. to move thepiston 22 toward the lid 18). Alternatively, the engagingmember 26 may be positioned on a stationary surface, and thereceptacle 14 may be pushed downward toward that surface in the direction of arrow B. - With the
vent 62 open, the user pushes on the engagingmember 26 in the direction of arrow A (or pushes down on thereceptacle 14 in the direction of arrow B), causing the engagingmember 26 and thepiston 22 to move together toward the lid 18 (FIG. 9 ), with thecircumferential seal 90 creating a seal between the outer periphery of thepiston 22 and the inside surface of thereceptacle 14. As a result of this relative movement, the volume of thefood storage chamber 114 is reduced and excess air above the food product 144 is discharged through thevent 62. Due to the frictional engagement between the inside surface of thereceptacle 14 and thecontact surface 102,wipers 110, and/or friction-enhancing portions 106 (if present), upon ceasing sliding movement of thepiston 22 within thereceptacle 14, thepiston 22 is held in position even in the absence of user assistance. - The user continues moving the
piston 22 toward thelid 18 until the food product 144 contacts thelid 18, and preferably until the food product reaches the apex 64 of thelid 18. At this point, as a result of the curved or rounded shape of thelid 18 and the placement of thevent 62, virtually all of the excess air has been displaced from thefood storage chamber 114. The user closes thevent 62 by pivoting thecap 66 to the closed position, which seals the food product 144 within the container 10 (FIG. 10 ). If desired, the engagingmember 26 can be disengaged from thepiston 22 and removed through thesecond end 42 of thereceptacle 14. -
FIGS. 11-15 illustrate acontainer 210 according to another embodiment. This embodiment comprises much of the same structure and features as the embodiment described above in connection withFIGS. 1-10 . Accordingly, the following description focuses primarily upon the structure and features that are different from the embodiment ofFIGS. 1-10 and reference should be made to the description above in connection withFIGS. 1-10 for additional information and possible alternatives to the structure and features of thecontainer 210. Elements of thecontainer 210 that are the same as or similar to elements of thecontainer 10 described with regard toFIGS. 1-10 are assigned reference numerals based on the reference numerals forFIGS. 1-10 plus 200. - Like the
container 10, thecontainer 210 includes areceptacle 214, alid 218, a plunger orpiston 222, and a base or engagingmember 226. Thelid 218 is removably coupled to a first orupper end 238 of thereceptacle 214 by a plurality oflatches 246 positioned around the periphery of thelid 218. In the illustrated embodiment, thelid 218 includes four equally-spacedlatches 246. - With reference to
FIG. 13 , thelid 218 is similarly curved or rounded. Avent 262 is centrally located at an apex 264 of thelid 18, and a “snap”cap 266 is provided to selectively seal thevent 262. Thecap 266 includes a retainingring 268 surrounding thevent 262 to retain thecap 266 with thelid 218. A plug 282 on thecap 266 is insertable into thevent 262 to seal the vent 262 (FIG. 15 ). - The
piston 222 is slidably disposed within thereceptacle 214 and includes a main body 284 having an upper surface 286, a peripheral seal 290, and a lower portion 294 opposite the upper surface 286. - The engaging
member 226 forms a hollowcylindrical body 318 having afirst end 322, asecond end 326, and a plurality of slots ornotches 332 located in thefirst end 322. Thenotches 332 are sized and shaped to receive correspondingpins 336 located on the lower portion 294 of thepiston 222, as shown inFIG. 12 . - Operation of the
container 210 is substantially similar to the operation of thecontainer 10 as described above with reference toFIGS. 7-10 . When engaged with thepiston 222, thesecond end 326 of the engagingmember 226 extends beyond the second end 242 of thereceptacle 214 and can be pushed in the direction of arrow A to move thepiston 222 toward thelid 218. Alternatively, the engagingmember 226 may be positioned on a stationary surface, and thereceptacle 214 may be pushed downward toward the surface in the direction of arrow B. Once the air has been expelled from the volume, thecap 266 is positioned to seal the food product within thecontainer 210. -
FIGS. 14 and 15 illustrate thecontainer 210 ofFIG. 11 accommodated within acentral bore 346 of a servingtray 350, in which thecentral bore 346 has anannular bottom wall 354 on which thecontainer 10 is supported and surrounded by a bowl portion 358. - To actuate the
piston 222 when thecontainer 210 is disposed within the servingtray 350, thereceptacle 214 is pushed downward in the direction of arrow B. Thesecond end 326 of the engagingmember 226 bears against thebottom wall 354 of thetray 350 to move thepiston 222 towards theupper end 238 of thereceptacle 214. - Various features of the invention are set forth in the following claims.
Claims (19)
1. A container for storing a food product, the container comprising:
a receptacle having a first open end and an opposing second open end;
a piston configured for at least partial disposal within the receptacle and including a surface to support the food product;
a lid securable to the first open end of the receptacle; and
an engaging member engageable through the second open end of the receptacle with the piston for movement relative to the receptacle, wherein upon the relative movement, the surface is slidable within the receptacle.
2. The container of claim 1 , further comprising a vent located on the lid.
3. The container of claim 2 , wherein the lid includes a curved portion, and wherein the vent is centrally located at an apex of the curved portion.
4. The container of claim 3 , further comprising a cap engageable with the vent to selectively seal the vent.
5. The container of claim 4 , wherein the cap is pivotally coupled to the lid.
6. The container of claim 4 , wherein the lid includes a plurality of latches to removably couple the lid to the first open end of the receptacle.
7. The container of claim 1 , wherein the piston includes a peripheral seal configured to form a seal between the surface and the receptacle.
8. The container of claim 1 , wherein the peripheral seal is integrally formed as a single piece with the surface.
9. The container of claim 1 , wherein the piston includes a receiving portion having a plurality of circumferentially-spaced recesses, and wherein the engaging portion includes a plurality of circumferentially spaced projections that cooperate with the recesses to couple the engaging portion to the piston.
10. The container of claim 1 , wherein the piston includes a plurality of ridges that define a contact area for contact with the receptacle.
11. The container of claim 1 , wherein the receptacle is in the form of a cylinder.
12. The container of claim 1 , further comprising a tray having a central bore configured to receive the receptacle therein.
13. A container for storing a food product, the container comprising:
a receptacle;
a plunger slidably movable along an inner wall of the receptacle, the plunger including
a support surface for the food product, and
a seal configured to form a seal between the support surface and the inner wall; and
a rounded lid having an apex and configured to be sealingly coupled to the receptacle, the lid including a vent located at the apex.
14. The container of claim 13 , further comprising an engaging portion engageable with the plunger to facilitate sliding the plunger along the inner wall.
15. The container of claim 14 , wherein the plunger includes a receiving portion having a plurality of circumferentially-spaced recesses, and wherein the engaging portion includes a plurality of circumferentially spaced projections that cooperate with the recesses to couple the engaging portion to the plunger.
16. The container of claim 13 , further comprising a cap configured to selectively seal the vent.
17. The container of claim 13 , wherein the receptacle is in the form of a cylinder.
18. A method of storing a food product, the method comprising:
placing the food product on a surface of a plunger at least partially disposed within a receptacle;
coupling a lid having a curved portion with an apex and a sealable vent hole at the apex to an end of the receptacle; and
displacing the plunger toward the apex.
19. The method of claim 18 , further comprising sealing the vent hole.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US14/514,903 US20150136786A1 (en) | 2013-11-19 | 2014-10-15 | Stay-fresh food container |
US15/247,573 US10239679B2 (en) | 2013-11-19 | 2016-08-25 | Stay-fresh food container |
US15/449,813 US10233008B2 (en) | 2013-11-19 | 2017-03-03 | Freshness preserving food container |
US16/358,673 US20190322437A1 (en) | 2013-11-19 | 2019-03-19 | Freshness preserving food container |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201361906056P | 2013-11-19 | 2013-11-19 | |
US14/514,903 US20150136786A1 (en) | 2013-11-19 | 2014-10-15 | Stay-fresh food container |
Related Child Applications (1)
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US15/247,573 Continuation US10239679B2 (en) | 2013-11-19 | 2016-08-25 | Stay-fresh food container |
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US20150136786A1 true US20150136786A1 (en) | 2015-05-21 |
Family
ID=53172265
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US15/247,573 Active US10239679B2 (en) | 2013-11-19 | 2016-08-25 | Stay-fresh food container |
US15/449,813 Active US10233008B2 (en) | 2013-11-19 | 2017-03-03 | Freshness preserving food container |
US16/358,673 Abandoned US20190322437A1 (en) | 2013-11-19 | 2019-03-19 | Freshness preserving food container |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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US15/247,573 Active US10239679B2 (en) | 2013-11-19 | 2016-08-25 | Stay-fresh food container |
US15/449,813 Active US10233008B2 (en) | 2013-11-19 | 2017-03-03 | Freshness preserving food container |
US16/358,673 Abandoned US20190322437A1 (en) | 2013-11-19 | 2019-03-19 | Freshness preserving food container |
Country Status (2)
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US (4) | US20150136786A1 (en) |
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US20150217901A1 (en) * | 2014-02-04 | 2015-08-06 | Progressive International Corporation | Collapsible produce keeper |
US9205974B1 (en) * | 2013-05-07 | 2015-12-08 | Janice M. Edwards | Bundt cake carrier |
USD762410S1 (en) * | 2015-03-05 | 2016-08-02 | Whirlpool Corporation | Bowl lid |
USD770239S1 (en) * | 2014-10-15 | 2016-11-01 | Guac-Lock, LLC | Food container assembly |
US20160368663A1 (en) * | 2015-06-20 | 2016-12-22 | Hector Hizon | Liquid storage container with adjustable internal volume |
US20170016161A1 (en) * | 2015-07-14 | 2017-01-19 | Corey K. Tournet | Small, portable, hand-operated washing machine with an improved container top. |
US20170190495A1 (en) * | 2015-12-31 | 2017-07-06 | Dongguan Pheaton Electronic Technology Co., Ltd. | Easily-operated vacuum storage container |
US20170233167A1 (en) * | 2016-01-14 | 2017-08-17 | Azhar Rauf | Wine Preserving and Storing Device |
US20180177344A1 (en) * | 2014-02-04 | 2018-06-28 | Progressive International Corporation | Collapsible food keeper |
US20190047753A1 (en) * | 2016-03-07 | 2019-02-14 | Hreeway Technology Co., Ltd | Storage container |
USD856064S1 (en) * | 2017-05-16 | 2019-08-13 | Masontops, Inc. | Mason jar lid |
USD898360S1 (en) | 2018-05-11 | 2020-10-13 | Sto Responsible, LLC | Childproof storage container |
USD913037S1 (en) * | 2019-10-14 | 2021-03-16 | Rigwa Life, LLC | Lid for bowl |
US10974874B2 (en) * | 2018-11-01 | 2021-04-13 | Oneida Consumer, Llc | Lid assembly for a container |
US20210229877A1 (en) * | 2018-11-01 | 2021-07-29 | Oneida Consumer, Llc | Lid assembly for a container |
USD927246S1 (en) * | 2018-07-13 | 2021-08-10 | Pi-Design Ag | Lid |
US11142372B2 (en) * | 2017-07-28 | 2021-10-12 | Botto Design Limited | Telescopic container |
US11148857B2 (en) * | 2020-05-06 | 2021-10-19 | Genicook Product Llc | Glassware lid and glassware with same |
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USD941523S1 (en) | 2018-08-22 | 2022-01-18 | Sto Responsible, LLC | Child-resistant storage container |
US20220402662A1 (en) * | 2020-02-14 | 2022-12-22 | Neoflam Inc. | Airtight container with soft hinge and double injection-molding structure |
US11618611B2 (en) * | 2020-02-04 | 2023-04-04 | Stojo Products Inc. | Collapsible food container |
US11814234B1 (en) * | 2022-09-14 | 2023-11-14 | Milagros International Inc. | Snap-fit cooler box |
EP4321451A1 (en) * | 2022-08-09 | 2024-02-14 | Mepal B.V. | Storage container for airtight storage of food |
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US20230054510A1 (en) * | 2021-08-22 | 2023-02-23 | Hoa Ly | Container |
CN113955276A (en) * | 2021-10-25 | 2022-01-21 | 蒋剑 | Sealed container capable of reducing volume at will to realize fresh-keeping storage |
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US20210229877A1 (en) * | 2018-11-01 | 2021-07-29 | Oneida Consumer, Llc | Lid assembly for a container |
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US11148857B2 (en) * | 2020-05-06 | 2021-10-19 | Genicook Product Llc | Glassware lid and glassware with same |
EP4321451A1 (en) * | 2022-08-09 | 2024-02-14 | Mepal B.V. | Storage container for airtight storage of food |
US11814234B1 (en) * | 2022-09-14 | 2023-11-14 | Milagros International Inc. | Snap-fit cooler box |
Also Published As
Publication number | Publication date |
---|---|
US20190322437A1 (en) | 2019-10-24 |
CA2871437A1 (en) | 2015-05-19 |
US10239679B2 (en) | 2019-03-26 |
US10233008B2 (en) | 2019-03-19 |
US20170174411A1 (en) | 2017-06-22 |
US20170036842A1 (en) | 2017-02-09 |
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Legal Events
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AS | Assignment |
Owner name: GUAC-LOCK, LLC, NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LONNER, SHARON;CAPLAN, JANE;LERNER, RAN;SIGNING DATES FROM 20141006 TO 20141011;REEL/FRAME:033954/0980 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |