Three Or More Trapezoidal Walls (e.g., Truncated Pyramid-shaped Box) Patents (Class 229/113)
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Patent number: 11950719Abstract: The invention relates to a tray covering element essentially constituted of a first portion (2), which covers the upper surface of a tray (5), in the manner of a placemat, and a second portion (3), which creates an outer edge for the first portion and which is envisaged to cover the outer and upper edge (50) of the tray. The second portion (3) comprises a third portion (30) located laterally and protruding from the edge (50) and designed to bend downwards and fold around the edge of the tray (5) and cover the lower edge so that the user does not touch the tray when holding it, only the tray covering element.Type: GrantFiled: November 16, 2016Date of Patent: April 9, 2024Inventors: Stefano Solci, Paolo Nicola Micheligritti
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Patent number: 11780641Abstract: Unitary blank for forming a container having a body portion with a plurality of fold lines and a cover portion. The body portion with a plurality of fold lines define a plurality of body wall portions, and each body wall portion has an upper edge. A first body wall portion includes a closure tab extending from the upper edge of the first body wall portion. The closure tab includes a closure tab flap portion and a closure tab base portion. The cover portion extends from the upper edge of a second body wall portion. The cover portion includes a cover portion flap score line extending along an upper edge of the cover portion and a release flap. A food container having a body portion and a cover portion is also provided.Type: GrantFiled: April 26, 2022Date of Patent: October 10, 2023Assignee: PACTIV LLCInventor: Angela E. Learn
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Patent number: 10858140Abstract: A flat pack container is capable of formation by folding of a flat panel of foldable material to form the container, the flat panel having an inner surface and an outer surface. A first portion of the flat panel is capable of forming a base of the container and has at least one peripheral fold line. Extending from the at least one peripheral fold line is a second portion which co operates with the base to form a wall of the container. The wall of the container includes at least two foldable pleated regions which enable the wall to be set in upright attitude to define with the base an internal space: the second portion further including flaps which retains the container in its folded configuration.Type: GrantFiled: January 4, 2019Date of Patent: December 8, 2020Inventor: Jack Moon
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Patent number: 10492633Abstract: According to an example aspect of the present invention, there is provided a paper cup comprising: a base; a sidewall; said base and said sidewall together defining a space for receiving liquid or food; an upper end portion of the cup comprising a first and second pair of opposing closure panels, whereby each panel is attached to an upper edge of the sidewall via a respective first folding line and to adjacent panels via respective second folding lines. Said panels are foldable into a closed position to form a lid of the cup. Each panel of said first pair contains two additional folding lines to enable folding inwards. Upon folding to the closed position, a first panel of said second pair is partly inserted below a second panel of said second pair, and the panels of said second pair close the upper end portion.Type: GrantFiled: July 11, 2017Date of Patent: December 3, 2019Assignee: Metsä Board OyjInventor: Alan Li
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Patent number: 10118751Abstract: A corrugated board carrier for an interior bulk beverage container is provided with a larger base, integral handles, and a ramp insert to promote gravity dispensing of beverages therein through a spout.Type: GrantFiled: October 30, 2016Date of Patent: November 6, 2018Assignee: Southern Champion Tray, L.P.Inventors: Ron Couvillon, Candace Carlton, Stokes Smith, Anne Hooser, Sarah Williams, Matt Raus, Jason Ray
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Patent number: 9737161Abstract: According to an example aspect of the present invention, there is provided a paper cup comprising: a base; a sidewall; said base and said sidewall together defining a space for receiving liquid or food; an upper end portion of the cup comprising a first and second pair of opposing closure panels, whereby each panel is attached to an upper edge of the sidewall via a respective first folding line and to adjacent panels via respective second folding lines. Said panels are foldable into a closed position to form a lid of the cup. Each panel of said first pair contains two additional folding lines to enable folding inwards. Upon folding to the closed position, a first panel of said second pair is partly inserted below a second panel of said second pair, and the panels of said second pair close the upper end portion.Type: GrantFiled: September 14, 2016Date of Patent: August 22, 2017Assignee: Metsä Board OyjInventor: Alan Li
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Patent number: 9415997Abstract: An improved paperboard structure to hold a fluid filled carton is provided.Type: GrantFiled: July 9, 2014Date of Patent: August 16, 2016Assignee: Southern Champion TrayInventors: George Coogan, Jason Ray, Stokes Smith, Bill Jones, Ron Couvillon
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Patent number: 9049846Abstract: A foldable poultry brood box having a folding bottom, folding endwalls, and folding sidewalls provides a sheltered environment for the maturation of a brood of young poultry. Preferably, after the brood box is deployed, a floor overlay insert is placed and retained within the brood box to overlay, bridge over, and cover substantial portions of two floor free edges.Type: GrantFiled: September 9, 2012Date of Patent: June 9, 2015Inventor: Robert W. Eason
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Patent number: 8317150Abstract: A shipping base shaped like a square, truncated pyramid for use with a washing machine of the type having an undercarriage suspended below the wash tub. The shipping base has an opening in the top of the truncated pyramid into which the washing machine undercarriage is lowered until the undercarriage is suspended within the space defined by base, and an integrally formed frame-like pallet for supporting the washing machine. The opening is only slightly larger than the dimensions of the undercarriage so that the shipping base prevents any significant lateral movement of the undercarriage or the washing machine tub.Type: GrantFiled: October 31, 2011Date of Patent: November 27, 2012Assignee: Sonoco Development, Inc.Inventor: James R Baechle
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Patent number: 8074952Abstract: A shipping base shaped like a square, truncated pyramid for use with a washing machine of the type having an undercarriage suspended below the wash tub. The shipping base has an opening in the top of the truncated pyramid into which the washing machine undercarriage is lowered until the undercarriage is suspended within the space defined by base, and an integrally formed frame-like pallet for supporting the washing machine. The opening is only slightly larger than the dimensions of the undercarriage so that the shipping base prevents any significant lateral movement of the undercarriage or the washing machine tub.Type: GrantFiled: April 14, 2010Date of Patent: December 13, 2011Assignee: Sonoco Development, Inc.Inventor: James R Baechle
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Patent number: 7798325Abstract: A wedge-shaped receptacle (9) is provided for packaging felting needles (8). The wedge shape is configured in such a manner that the felting needles lie in the receptacle in a mutual lateral engagement, that is, they are held approximately parallel to one another and they firmly clamp one another without their tips abutting against the receptacle body. This, on the one hand, results in a particular protection of the felting needles (8) during transportation and, on the other hand, results in a simple handling with the lowest danger of injuries.Type: GrantFiled: July 28, 2006Date of Patent: September 21, 2010Assignee: Groz-Beckerg KGInventors: Gustav Wizemann, Rene Conzelmann
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Patent number: 7798390Abstract: An openable packaging for enclosing objects. A one-piece blank is folded into a packaging for enclosing objects, the packaging having two covers, each cover having at least one corner made of three wall elements joined to form a respective corner, the two corners overlapping when in the closed position to completely enclose the space in the package and lend stability to the package, and the two corners essentially retaining their shape when the package is opened. The three dimensional corner is formed via glued flaps.Type: GrantFiled: May 3, 2004Date of Patent: September 21, 2010Inventor: Martin Posselt
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Patent number: 7798327Abstract: A multi-pack sanitary napkin container includes a flexible outer container and first, second, third, and fourth pluralities of sanitary napkins respectively. Such first, second, third, and fourth pluralities of sanitary napkins are vertically stacked within an interior portion of the container. The kit further includes a mechanism for securing the container about the first, second, third, and fourth pluralities respectively of sanitary napkins when the first, second, third, and fourth pluralities of sanitary napkins are vertically stacked within the interior portion of the container.Type: GrantFiled: October 11, 2007Date of Patent: September 21, 2010Inventors: Samir Berkani, Farah M. Charles
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Patent number: 7677434Abstract: A stackable container has a bottom panel, upstanding sidewalls, upstanding end walls, and an open top. According to one aspect of the invention, narrow reinforcing flaps are attached to the upper edge of at least one of the side and end walls, defining a stacking ledge and reinforcing the walls against outward bulge. The reinforcing flaps extend over only a small portion of the height of the side or end wall, and corner post flaps extend from opposite ends of the reinforcing flaps, extending diagonally across interior corners of the container. According to another aspect, the side and/or end walls lean inwardly, defining a narrower footprint at the top of the container than at the bottom. In a specific embodiment one of the walls leans in more than the other. According to a further aspect, an indexing and aligning tab extends upwardly from an upper edge of the container, and a complementary notch is formed in a lower edge for receiving the tab when the containers are stacked.Type: GrantFiled: December 19, 2005Date of Patent: March 16, 2010Assignee: International Paper CompanyInventor: Stanley L. Fry
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Patent number: 7631799Abstract: A collapsible storage device includes a collapsible container and a lid for the container. The container includes a plurality of resilient wall panels and a hinge portion connecting each adjacent pair of wall panels. The container may be foldably converted between a substantially flat collapsed position and a substantially rectangular prismatic expanded position by articulating the wall panels about the flexible hinges. At least one of the hinge portions is arched to latch the container in the expanded position. The lid may be used to cover the container in the expanded position and receive the container in the collapsed position.Type: GrantFiled: February 23, 2006Date of Patent: December 15, 2009Assignee: S.C. Johnson Home Storage, Inc.Inventors: Robert R. Turvey, Brian C. Dais, Sanjay Dhall, Daniel Zimmerman
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Patent number: 7628311Abstract: A folded food carton is formed from a matable, lay flat blank for retaining, transporting and serving hot food such as pizza. The blank includes an arrangement of end panels, side panels and cover panels foldable relative to a bottom panel such that, in the erected carton, the cover panels overlap and are interlocked with the side panels by means of offset locking tabs. The end panels slant upwardly and inwardly from the bottom panel to add rigidity and save material for the carton. The side panels flare upwardly and outwardly from the bottom panel and extend above the cover panels to enhance stackability and prevent shifting of stacked cartons one on top of the other. Several methods of packaging pizza in the folded carton are disclosed.Type: GrantFiled: August 15, 2007Date of Patent: December 8, 2009Assignee: International PaperInventors: Wayne H Kuhn, Frank Pizzitola
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Patent number: 6443357Abstract: An object is to secure a sufficient area for bonding a spout open/close member (51). A packaging container has a pair of seal portions; at least five side-surface panel portions (27) for forming a circumferential wall; an end-surface panel portion (35) disposed between the seal portion and the side-surface panel portions (27) and adapted to form a polygonal end-surface portion in cooperation with an intermediate portion (15a) of the seal portion; and flap portions (31) projected, together with end portions (15b) of the seal portion, from the end-surface panel portion (35), each of the flap portions (31) being bent toward a specified panel portion (27a) among the side-surface panel portions (27) and being welded to the specified panel portion (27a). In this case, since the flap portions (31) are welded to the specified panel portions (27a), and the end-surface portion is thus made substantially flat, a sufficiently large flat area can be secured on the end-surface portion.Type: GrantFiled: April 28, 2000Date of Patent: September 3, 2002Assignee: Tetra Laval Holdings & Finance, S.A.Inventors: Peter Marbe, Patrik Hylta
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Patent number: 6227439Abstract: Liquid resistant containers having double walled construction and an upwardly projecting container bottom are suitable for use, e.g., as a flower vase. Preferably, the containers are formed from a unitary carton blank having fold lines such that the container is prepared by folding the blank along fold lines to form the open-ended container, the cavity of which is lined with a liner or open bag to provide further resistance against leaks.Type: GrantFiled: June 1, 1999Date of Patent: May 8, 2001Assignee: Multi-Pak ASInventor: Henrik Hansen
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Patent number: 6170739Abstract: A foldable container made of a liquid resistant carton blank has a bottom bracing and bottom closing tab or portion that provides rigidity when the container is expanded for use.Type: GrantFiled: June 28, 1999Date of Patent: January 9, 2001Assignee: Multi-Pak A/SInventor: Henrik Hansen
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Patent number: 6019277Abstract: The invention relates to a collapsible beverage container produced froma foldable sheet-like blank and provided with a closed bottom and sidewalls upstanding from the bottom. Integrated with the side walls in an extension thereof are inwardly foldable container closing top flaps. The sheet-like blank may also include a drinking tube forming part which cna be folded into a drinking tube at one corner of the container. The invention also relates to a bottom closure suitable for a beverage container, among other things.Type: GrantFiled: February 2, 1998Date of Patent: February 1, 2000Assignees: Bjorn Elfvin, Rolf LundstromInventor: Jan-Inge Lundstrom
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Patent number: 6016953Abstract: The present invention is tetrahedral top carton and a blank therefor. The carton has at least a nine percent material savings over a traditional gable top carton containing an equal volume of product. The carton has a tetrahedral top structure formed from four top panels intersecting and sealed adjacently. The carton may have a fitment thereon for accessing the contents. The fitment may be placed on the pinnacle of the tetrahedral top structure or on a single top panel. The carton may have outward folded fins projecting from the intersection of the top panels, or the fins may be folded inward to create a diagonal crease/edge in the intersection between adjacent top panels. The carton may also have an overfolded bottom for reverse filling on a form, fill and seal packaging machine.Type: GrantFiled: August 14, 1997Date of Patent: January 25, 2000Assignee: Tetra Laval Holdings & Finance, SAInventors: Russell Stacy-Ryan, Hichem Bouraoui, Nicholas Cook
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Patent number: 6012631Abstract: The present application discloses a carton (2) which includes a base panel (12) having an outer portion and a side wall (38, 40) that is generally perpendicular to the base panel. The base panel includes a marginal flange (34) that is foldably connected to the outer portion of the base panel, which marginal flange overlies the base panel. The side wall includes a marginal flange that is foldably connected thereto, which side wall marginal flange overlies the base panel marginal flange. The base panel marginal flange is secured to the base panel or to the side wall marginal flange. The invention extends to a one-piece "book-pack" type carton and to corner constructions.Type: GrantFiled: February 23, 1998Date of Patent: January 11, 2000Assignee: Concept Packaging LimitedInventor: Christopher Hallam
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Patent number: 5788145Abstract: A covered food container especially adapted to hold a single slice of pizza or the like is described having a polygonal configuration and an integrated cover which folds over and is securely latched to enclose the contents. The covered food container can be formed from a single sheet of material such as cardboard or styrene foam and has the advantage that the top and base trays forming the container are interchangeable.Type: GrantFiled: December 23, 1996Date of Patent: August 4, 1998Assignee: Bell Paper Box, Inc.Inventors: Mark S. Grahahm, Gregory A. Green
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Patent number: 5673847Abstract: A container has a rectangular base and side walls inwardly extending from the base to provide a truncated tetrahedron shape with an open top. Handles are on opposing side walls to enable the carrying of the container.Type: GrantFiled: September 7, 1995Date of Patent: October 7, 1997Inventor: Arthur R. Swink
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Patent number: 5603450Abstract: A fast food carton including a tray with peripheral walls integral with a bottom panel and individually foldable relative thereto between a first position substantial coplanar therewith and a second folded position forming a peripheral wall thereabout, and a lid integral with one of the tray walls and selectively foldable to cover the tray with the tray walls retained in the folded position within the lid. The carton further includes a lock assembly having a tongue integral with the tray front wall and outward projectable through a slot formed in the lid, the lid having openings defined therein for facilitating manual manipulation of the lock assembly for release.Type: GrantFiled: November 8, 1995Date of Patent: February 18, 1997Assignee: Dopaco, Inc.Inventor: Simon Whitnell
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Patent number: 5522537Abstract: A carton has a top wall having eight side edges which circumscribe a top wall surface area and a bottom wall having four side edges which circumscribe a bottom wall surface area. Four trapezoidal side walls, each having a major edge, a minor edge and two side edges, extend between the top wall and the bottom wall, such that the major edges of the sidewalls abut, respectively, adjacent of the side edges of the bottom wall and such that the minor edges of the sidewalls abut, respectively, alternate of the side edges of the top wall. The carton has four triangular corner wall portions, each having a base, which abuts the top wall at a position displaced inwardly from one of the top wall edges that does not abut one of the minor edges of the side walls, and two sides, one of which abuts one of the side edges of one of the adjacent side walls. A device for opening the carton is positioned in one of the trapezoidal side walls, and a line of weakness is positioned in the bottom wall or in the top wall.Type: GrantFiled: January 31, 1995Date of Patent: June 4, 1996Assignee: Nestec S.A.Inventor: David A. Barlow
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Patent number: 5305951Abstract: An erectable container apparatus constructed from a substantially square blank of material for use in releasably storing various articles therewithin. The apparatus includes a plurality of side panels each having an inner edge attached to a base portion, an outer edge attached to a corresponding top flap member, and a left and right edge. The left and right edges are operably positioned at acute angles relative to the respective inner edges to which they intersect so as to provide substantially upright and inwardly sloping side panels upon articulation of the erectable container apparatus toward and into its fully articulated orientation. Locking elements are operably associated with at least two of the top flap members for releasably locking the erectable container apparatus in a fully erected orientation, as well as to releasably maintain the top flap members and the inwardly sloping side panels in a base and article covering orientation.Type: GrantFiled: June 3, 1993Date of Patent: April 26, 1994Assignee: Stone Container CorporationInventors: Wayne H. Kuhn, Jeffrey S. James
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Patent number: 5263612Abstract: A container in the form of a six-sided enclosure having opposing top and bottom walls, opposing side wall inner panels which are hingedly connected to opposing edges of the bottom wall, and opposing end walls formed from a corrugated or solid fibreboard blank. A pair of flaps are hingedly connected to opposing sides of each of the end walls and are adapted to overlie an adjacent side wall inner panel. A pair of side wall outer panels are hingedly connected to opposing edges of the top wall and each is adapted to overlie the flaps which overlie the adjacent side wall inner panel.Type: GrantFiled: April 6, 1993Date of Patent: November 23, 1993Assignee: Packaging Corporation of AmericaInventor: Terrill L. Nederveld
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Patent number: 5264996Abstract: A flat blank of stiff, foldable paper or paperboard is folded to form a multi-sided luminary with a top in the shape of truncated, open top pyramid. One end of each of the sides includes a trapezoidal panel extending therefrom, the longest base of the trapezoidal panel being substantially the same length as and foldably secured to the adjacent end of the corresponding side. Each of the sides of the luminary include one or more cutouts giving the appearance of a seasonal symbol. The bottom is closed and, in a preferred embodiment, includes a seat therein for retaining a light source such as a candle.Type: GrantFiled: February 19, 1992Date of Patent: November 23, 1993Inventors: Anthony J. Bele, Jr., Peter A. Kazmar
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Patent number: 5253801Abstract: A flanged tray and preform for making it. The preform includes a cut and scored paperboard blank having a polygonal bottom forming base panel. Each edge of the base is foldably joined to a radially outwardly extending, regular trapezoidal sidewall forming panel. The radially outermost portion of each sidewall panel carries a horizontal flange forming flap. The preform also includes a thin plastic sheet adhered to one surface of the paperboard blank. The plastic sheet covers the blank and extends over radially extending gaps between the side edges of next adjacent sidewall panels. The preform is placed in a female die with the plastic film facing upwardly. A male die presses the preform downwardly to form it into a tray having a peripheral, horizontally extending flange. The step of permanently attaching the plastic film to the paperboard blank may be carried out concurrently with the step of deforming the blank in the die.Type: GrantFiled: December 22, 1992Date of Patent: October 19, 1993Assignee: International Paper CompanyInventors: Linda A. Bernstein, Robert L. Gordon, Tung C. Ma, Robert Sosnowksi
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Patent number: 5163609Abstract: A single piece corrugated paperboard blank is cut and scored to provide a field erectable container without the use of any additional elements for locking pieces together. The container is one having inclined side walls so that the produce, such as asparagus or green onions, which is stacked in a vertical orientation may be packaged and held in place during shipment. The bottom of the erected container is larger than the top and an integral opposed strapping arrangement is provided whereby a plurality of flaps or panels are arranged to be folded into an orientation and locked in place to provide a field erected container which has great vertical stacking strength. Sufficient cooling vents are provided as are opposed hand holds. Upstanding stacking tabs are also provided so that one packed container may be stacked atop another and be substantially held in place.Type: GrantFiled: June 27, 1991Date of Patent: November 17, 1992Assignee: Weyerhaeuser CompanyInventor: H. Donald Muise, Jr.
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Patent number: 5148972Abstract: A food container for holding fast food or other similar article is disclosed. The container is constructed from a cardboard blank which is cut and scored to define a top and bottom portion joined by a common back panel which is hinged. The bottom side panels each contain a single punch out tab whereby a user can insert his thumb to underlie the food article being consumed with his other fingers gripping the top of the food item to be consumed. The container further comprises a flip down front panel scored to a level above the bottom of the food container thereby allowing access to the food item for consumption yet not allowing juices from the food item to emerge from the food container.Type: GrantFiled: July 22, 1991Date of Patent: September 22, 1992Inventor: Robert E. Clayton
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Patent number: 5038998Abstract: A tote container for perishable produce such as asparagus comprising a pair of identical molded end shells which form the side walls of the tote container, with an intermediate blank cut and scored from a sheet material such as double-faced corrugated plastic extending between and securely attached to each of the end shells. The blank is folded to form a bottom panel, back panel, pivoting top lid and front lid panels, and a front tray panel to the tote container. The tote container defines a receptacle region with an open top and front, and the blank defines a bottom tray portion within that receptacle region.Type: GrantFiled: February 16, 1990Date of Patent: August 13, 1991Assignee: Liberty Diversified IndustriesInventors: Richard J. Morris, David T. Sarych, Mark S. Stoll, LeRoy Miller, Stanley R. Thorud
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Patent number: 5014905Abstract: A tube type carton formed from a unitary blank of paperboard and having at each end closure panels defined by a pair of opposed dust flaps and opposed major and minor closure flaps. The major flaps and two opposite side wall panels of the four side panels are trapezoidal. The remaining two opposite side wall panels are square but of different size. A pair of rectangular interior tucking panels joins one edge of the smaller square side wall panel to the shortest edge of one of the two opposite trapezoidal side wall panels, these interior panels being tucked into the interior of the carton. By virtue of the tucking, the cross-section of the tube is changed from rectangular to trapezoidal. The fully erected configuration of the carton is that of a truncated, right, four-sided, rectangular pyramid.Type: GrantFiled: October 15, 1990Date of Patent: May 14, 1991Assignee: International Paper CompanyInventor: Benjamin J. Cassidy
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Patent number: 4941427Abstract: A spray booth (1) for use when spraying artwork is of pyramidal shape, and foldable for storage. An aerosol spray may be applied to the artwork via an aperture (6) at the apex of the pyramid which can then be closed by a flap (7) while the aerosol settles.Type: GrantFiled: September 20, 1988Date of Patent: July 17, 1990Assignee: Esselte Pendaflex CorporationInventor: Vazgen J. Houssian
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Patent number: 4869424Abstract: A reusable open top case having rectangular interconnected bottom, side and end panels is provided with a disposable cover which includes a top wall overlying the open top of the case and which also includes side and end walls foldably joined to the top wall of the cover together with web structure interconnecting the corners of the side and end walls.Type: GrantFiled: October 14, 1988Date of Patent: September 26, 1989Assignee: The Mead CorporationInventor: Prentice J. Wood
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Patent number: 4801077Abstract: The carton is comprised of a corrugated paperboard tray and a corrugated paperboard cover. The tray has upstanding side wall panels and upstanding end wall panels, the upstanding end wall panels having hand holes for lifting the tray. The cover has a top panel provided with a non-slip surface, trapezoidally configured side wall pane=ls and trapezoidally configured end wall panels. Each of the side wall panels and the end wall panels of the cover are hingedly connected to the top panel by reason of weakened fold lines. The corrugations of the cover extend at right angles to the fold lines for the cover's end wall panels so as to provide a greater degree of deflective resistance to the cover's end wall panels then that imparted to the cover's side wall panels with the consequence that the end wall panels of the cover exert a greater amount of pressure against the end wall panels of the tray than that exerted by the cover's side wall panels.Type: GrantFiled: January 19, 1988Date of Patent: January 31, 1989Assignee: General Mills, Inc.Inventors: Blaine Sweatt, III, Stephen E. Moorman
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Patent number: 4778392Abstract: A block set, each block including a generally cubical portion with a frusto-pyramidal or convex portion, and an oppositely disposed frusto-pyramidally configured mating concave portion for interlocking. Each of the fourteen surfaces or sides thus formed includes a substantially similar pictorial depiction of an object, such as an animal or the like, with a letter imprinted on the object, preferably in a portion of the object which bears a resemblance to the letter. The edges of each side of the block are colored, with each edge being a different color for promoting color awareness, with the like colored edges of adjacent blocks establishing a preferred orientation for pictorial and indicia alignment. The individual pictorial representations on adjacent surfaces of the same block are oriented in different orthogonal directions for enabling reading of a word on the adjoined surfaces of adjacent blocks on at least one other of the adjoined surfaces of the blocks.Type: GrantFiled: September 26, 1986Date of Patent: October 18, 1988Inventor: Leslie K. Mitchell
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Patent number: 4705209Abstract: An erectable container formed by folding a single base board, in which a bottom surface is made in a polygonal form having more than six sides of an even number, first and second side plates are alternately integrally provided extending from each side of the bottom surface provided with a concave fold line, a lid plate is integrally provided at the edge of the first side plate, a tab is integrally provided at the edge of the second side plate, the second side plate being provided with two first convex fold lines extending till upper ends from each vertex at the lower end thereof and the tab being provided with two second convex fold lines extending till upper ends from each end of the first convex fold lines and approaching toward each other with an inclination greater than that of the first convex fold lines, and the boundary line between the second side plate and the tab is made a concave fold at the portion between each end of the first convex fold.Type: GrantFiled: September 8, 1986Date of Patent: November 10, 1987Assignee: House Food Industrial Company LimitedInventors: Takeo Fujihara, Akira Yamatani, Masanori Yamamoto, Yuji Kunimoto