And Embossing Patents (Class 493/58)
  • Publication number: 20150136796
    Abstract: A hard-sided cooler is formed by extruding a flat sheet of material and die cutting the materials in a specific pattern which includes panels and various fold lines; the cooler being able to be shipped efficiently and economically in its flat configuration until it reaches the distribution point where the cooler is then transformed into the assembled configuration by folding the sheet of material along the manufactured fold lines, securing the edges of the material together and then adding insulation, a liner, a handle and a lid; the cooler optionally having graphics which may be applied to the show—side of the cooler body during the extrusion process or by way of graphic inserts or wraps.
    Type: Application
    Filed: October 18, 2010
    Publication date: May 21, 2015
    Applicant: The Coleman Company, Inc.
    Inventor: Craig A. Muehlhauser
  • Patent number: 8506464
    Abstract: A folded box gluing machine for making folded boxes from blanks includes several processing stations and a conveying mechanism for delivering the blanks through the individual processing stations. The machine also includes an embossing mechanism that includes embossing dies for embossing a script for the blind in the blanks and that is preferably arranged between two processing stations.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: August 13, 2013
    Assignee: Heidelberger Druckmaschinen Aktiengesellschaft
    Inventors: Wolfgang Diehr, Carsten Terhorst
  • Patent number: 8490274
    Abstract: A positioning-jig 1 used to mount a face plate 15 on the female-die 21, and the positioning-jig 1 comprises a female-part 2 which has a concave part and is attached into the positioning-holes 24 at the male-die 22 detachably, a male-part 6 which comprises an axial part inserted detachably into the concave part of the female-part and a dish-shaped head part connected to the axial part, and further provides a positioning method comprising the following steps; set the positioning-jigs 1 on each positioning-holes 24 and set the marking-members 12 on each positioning-jigs 1; and test run the stamping machine to attaches the male-die 22 and the female-die 21, and adhered the marking-members 12 on the female-die 21; and adhered the face plate 15 on the female-die 21 for the marking-members 12 inside each through-holes.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: July 23, 2013
    Assignees: Make A Box Co., Ltd., Katayama Steel Rule Die Inc.
    Inventor: Kazuaki Asai
  • Patent number: 8485355
    Abstract: A pack for smoking articles such as cigarettes having front and rear panels connected by opposite side panels, a bottom panel and a lid. At least one of the panels in the pack includes a plurality of transverse rigidifying bands. These bands are greater in thickness than a region between the bands. The bands may be formed by an embossing method.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: July 16, 2013
    Assignee: British American Tobacco (Investments) Limited
    Inventor: John England
  • Patent number: 8414462
    Abstract: A novel method and apparatus is provided for forming a pressed paper end which minimizes or eliminates deformations in the chuck wall. The method involves using a novel die press apparatus in which, at the very end of the compression stroke, the paper is held tightly by the opposing dies on either side of the chuck wall forming area, and the chuck wall forming area is held in substantial confinement between the dies.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: April 9, 2013
    Assignee: Sonoco Development, Inc.
    Inventors: Kenan J Clougherty, Kenneth Weltlich, Slawek Witkowski
  • Patent number: 8337376
    Abstract: A post-press apparatus which advances paper once to accomplish processing of cotton boxes, includes a sheet feeder unit, a hot foil stamping unit, a die-cutting unit, a waste stripping unit, a blank separation unit, a waste conveying unit, a gripper bar and a gripper bar chain. The advantages are that works to be done by multiple apparatuses are accomplished on one apparatus, reducing a number of times of paper advancing to improve a production efficiency and decreasing staffs to reduce a labor cost; inaccuracy of repetitive positioning by multiple times of paper advancing is avoided, improving a processing quality and reducing a defect rate to decrease a loss.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: December 25, 2012
    Inventor: Tian-Sheng Liu
  • Patent number: 8323163
    Abstract: A positioning-jig 42 is cylindrical shape and chamfered at the top side; wherein a bottom side inner diameter of the positioning-jig 42 is larger than outer diameter of the marking-member 12, and the bottom side outer diameter of the positioning-jig 42 is same or slightly smaller than the through-holes 20 belongs to the face plate 15.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: December 4, 2012
    Assignees: Make A Box Co., Ltd.
    Inventor: Kazuaki Asai
  • Publication number: 20120190521
    Abstract: A filter paper cup manufacturing machine produces filter paper cups containing a brewing material. The filter paper cups have similar depth and diameter. The machine exercises ordered steps of first cutting a receptacle portion and then forming a recess in the receptacle portion for receiving the brewing material. Performing the cutting step first facilitates forming the recess because surrounding filter paper which would resist forming the recess has been eliminated.
    Type: Application
    Filed: January 22, 2011
    Publication date: July 26, 2012
    Inventor: Adrian Rivera
  • Publication number: 20120184421
    Abstract: A novel method and apparatus is provided for forming a pressed paper end which minimizes or eliminates deformations in the chuck wall. The method involves using a novel die press apparatus in which, at the very end of the compression stroke, the paper is held tightly by the opposing dies on either side of the chuck wall forming area, and the chuck wall forming area is held in substantial confinement between the dies.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 19, 2012
    Applicant: SONOCO DEVELOPMENT, INC.
    Inventors: Kenan J. Clougherty, Kenneth Weltlich, Slawek Witkowski
  • Patent number: 8146796
    Abstract: A cardboard container for drinks and a process for making it is provided. The container has a perimetral wall (2) and a bottom wall and includes elements (4) for supporting another such container (1) nested inside.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: April 3, 2012
    Assignee: Seda S.p.A.
    Inventor: Gianfranco D'Amato
  • Patent number: 8105677
    Abstract: A microstructure area (201) providing a first diffractive visual effect is produced on the surface layer (240) of a paper or cardboard substrate (230) of a product (200). In addition, a bulge (206) or a recess (207) having a second microstructure area (202) is produced on the surface layer (240), wherein a doubly curved portion (203) is located between the first (201) and the second (202) microstructure areas. Said combination of the bulge (206)/recess (207), microstructure areas (201, 202) and doubly curved portion (203) makes counterfeiting of the product (200) difficult and provides a special visual effect.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: January 31, 2012
    Assignee: Avantone Oy
    Inventors: Pekka Koivukunnas, Harri Kosonen
  • Patent number: 7993254
    Abstract: A container and method of manufacture are provided. The container includes a cup with a permanently attached sleeve overlying an exterior portion of the cup sidewall. The sleeve includes a plurality of inwardly directed protuberances providing a gap between a substantial portion of the cup sidewall and the sleeve.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: August 9, 2011
    Assignee: Huhtamaki, Inc.
    Inventors: Ronald D. Robertson, George E. MacEwen
  • Patent number: 7794379
    Abstract: A folded box gluing machine for making folded boxes from blanks includes several processing stations and a conveying mechanism for delivering the blanks through the individual processing stations. The machine also includes an embossing mechanism that includes embossing dies for embossing a script for the blind in the blanks and that is preferably arranged between two processing stations.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: September 14, 2010
    Assignee: Heidelberger Druckmaschinen Aktiengesellschaft
    Inventors: Wolfgang Diehr, Carsten Terhorst
  • Publication number: 20100181328
    Abstract: A container and a sleeve for a container are disclosed that employ unique air channels to divert heat from a hot beverage via hot air escaping upward and downward. The surface of the container and sleeve include raised images, depressed images, or a combination of both which are generally aligned in substantially vertical columns. The space between the columns defines the air channels. The air channels are substantially uninterrupted and facilitate the upward and downward escape of hot air. The images are applied, such as by embossing and/or debossing, which facilitates manufacturing material efficiency and therefore reduces material costs and environmental waste. A blank for a container or sleeve and a method of making a sleeve are also disclosed.
    Type: Application
    Filed: January 16, 2009
    Publication date: July 22, 2010
    Inventors: Matthew R. Cook, Thomas Z. Fu, Barry Silverstein
  • Patent number: 7651454
    Abstract: Device for printing Braille characters on cardboard blanks travelling in a folder-gluer along a substantially planar path, the device comprising rotary embossing tools carried by two respective parallel shafts rotatably mounted above and below of the plane of said path and operable for printing Braille characters on their blanks during their run through the folder-gluer. The tools are supported on shafts and the tools are adjustable axially and angularly with respect to each other.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: January 26, 2010
    Assignee: BOBST S.A.
    Inventors: Jacques Reymond, Roberto Valterio, Christian Butty
  • Patent number: 7429237
    Abstract: A method for the production of a packaging for a CD-like storage medium, by means of a lower die, with a recess and an upper die with a working stamp corresponding to the recess. A card of deep-drawable material is placed between the upper and lower die and an elastic body is placed between the card and the lower die or between the card and the upper die.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: September 30, 2008
    Inventors: Frank Reinecke, Thorsten Irgang, Timur Walter
  • Patent number: 7108649
    Abstract: The invention relates to a method for the production of a packaging for a CD-like storage medium, by means of a lower die, with a recess and an upper die with a working stamp corresponding to the recess. The invention further relates to the following method steps—a card of deep-drawable material is placed between the upper and lower die and an elastic body is placed between the card and the lower die or between the card and the upper die.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: September 19, 2006
    Assignee: Frank Reinecke and Thorsten Irgang
    Inventors: Frank Reinecke, Thorsten Irgang, Timur Walter
  • Patent number: 7100770
    Abstract: A cardboard container for drinks and a process for making it is provided. The container has a perimetral wall (2) and a bottom wall and includes elements (4) for supporting another such container (1) nested inside.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: September 5, 2006
    Assignee: Seda S.p.A.
    Inventor: Gianfranco D'Amato
  • Patent number: 6616586
    Abstract: A container manufacturing method and device. The container manufacturing method includes steps of mixing, board-making, molding, guiding/crimping and demolding. Lower protruding guide bodies are arranged along the circumference of the mold cavity of the lower mold seat of the container manufacturing device at intervals. Upper protruding guide bodies are arranged on the press board and aimed at the intervals between the adjacent lower guide bodies. In the step of guiding/crimping, when the press board is pressed down by an oil pressure cylinder, the interlaced upper and lower guide bodies clamp and press the circumference of the board body to form regular crimps thereon. Therefore, when the upper mold block presses the board body into the mold cavity, the material can be evenly distributed and flowed so that the wall of the molded container can have uniform thickness.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: September 9, 2003
    Inventor: Wen-Long Dai
  • Patent number: 6585630
    Abstract: A container manufacturing method and device. The container manufacturing method includes steps of mixing, board-making, molding, guiding/crimping and demolding. Lower protruding guide bodies are arranged along the circumference of the mold cavity of the lower mold seat of the container manufacturing device at intervals. Upper protruding guide bodies are arranged on the press board and aimed at the intervals between the adjacent lower guide bodies. In the step of guiding/crimping, when the press board is pressed down by an oil pressure cylinder, the interlaced upper and lower guide bodies clamp and press the circumference of the board body to form regular crimps thereon. Therefore, when the upper mold block presses the board body into the mold cavity, the material can be evenly distributed and flowed so that the wall of the molded container can have uniform thickness.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: July 1, 2003
    Inventor: Wen-Long Dai
  • Patent number: 6537189
    Abstract: The invention relates to a device for stamping groove lines on corrugated board to better fold and comply with the sizes of boxes in production and processing machines having a combined grooving and transport, body (1) and a counter-body. The combined grooving and transport body (1) is fitted on its periphery with a grooving ring (11) having straight individual surfaces, said ring having the shape of a regular polygon with straight flat pieces whose number varies due to the different peripheries.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: March 25, 2003
    Inventor: Harald Gehle
  • Publication number: 20020086784
    Abstract: A container manufacturing method and device. The container manufacturing method includes steps of mixing, board-making, molding, guiding/crimping and demolding. Lower protruding guide bodies are arranged along the circumference of the mold cavity of the lower mold seat of the container manufacturing device at intervals. Upper protruding guide bodies are arranged on the press board and aimed at the intervals between the adjacent lower guide bodies. In the step of guiding/crimping, when the press board is pressed down by an oil pressure cylinder, the interlaced upper and lower guide bodies clamp and press the circumference of the board body to form regular crimps thereon. Therefore, when the upper mold block presses the board body into the mold cavity, the material can be evenly distributed and flowed so that the wall of the molded container can have uniform thickness.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 4, 2002
    Inventor: Wen-Long Dai
  • Patent number: 6368539
    Abstract: A method of utilizing a single engraved embossing roll to emboss different expanses of material with different patterns. The single engraved embossing roll has at least two projections projecting therefrom. A first of the projections projects to a greater height from the roll than a second of the projections. In another aspect, the invention encompasses an apparatus for embossing different expanses of material with different patterns. The apparatus includes an engraved surface having at least two projections projecting therefrom. A first of the projections projects to a greater height than a second of the projections. The apparatus also includes a backing surface configured to receive the projections of the engraved surface. The backing surface and engraved surface are together configured to receive an expanse of material between them.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: April 9, 2002
    Assignee: Potlatch Corporation
    Inventors: Steven H. Greenfield, Carl Ingalls
  • Patent number: 6312370
    Abstract: A machine for container formation by folding a die-scored paperboard structure to close flaps shaped by the scoring that serve as the top and bottom of the container. A scored paperboard sheet is loaded onto a male pedestal inner pattern such that the foldable top and bottom container portions extend beyond the pattern, whereupon armature driven semicircular outer patterns, having upper and lower fingers adapted to be driven by corresponding fluid driven pin stabilizers, close upon the sheet. While closed over the sheet, the pins are activated to move the fingers inward on the inner pattern and force fold the container along the score lines, followed by automatic retraction of the pins and outer patterns. The container is thus pre-folded in preparation for shipping as a flat paper form that is ready for folding on the crease lines thus formed. One or both flaps of the container can be folded along the crease lines to form a closure at one or both ends.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: November 6, 2001
    Inventor: Gary Allmon
  • Patent number: 6287247
    Abstract: Composite paperboard containers formed from a first substantially planar sheet of paperboard material having a content contacting surface and a back surface, a first embossed sheet of paperboard material having a plurality of raised portions adhered to the back surface of the first planar sheet and a second embossed sheet of paperboard material having a plurality of raised portions adhered to the first embossed sheet of paperboard material. Additional planar sheets or embossed sheets may be added as desired in order to achieve the desired flexural stiffness and thermal resistance.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: September 11, 2001
    Assignee: Fort James Corporation
    Inventors: Jerome G. Dees, Kirk Kimbel
  • Patent number: 6206815
    Abstract: Blanks (10) made of thin cardboard for hinge-lid packets or similar are produced in the region of a packaging machine. To this end, a material web (19) made of thin cardboard and if necessary partially pre-prepared, is led through a blanks device (20) in the region of the packaging machine. The blanks device (20) can if necessary apply printing (29) to the material web (19) as well as embossing, grooves, punched-out lines, until the blanks (10) are completely produced by a transverse severance cut (32).
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: March 27, 2001
    Assignee: Focke & Co. (GmbH & Co.)
    Inventors: Heinz Focke, Henry Buse, Thomas Häfker
  • Patent number: 6186936
    Abstract: A flexible counter for an embossing system provides resilient support under a sheet which opposes pressure from a contoured die forming an embossment in the sheet. The flexible counter includes a resilient mat and a fixed bolster which supports the mat. The bolster has a peripheral wall which extends around sides of the mat so that an upper portion of the mat protrudes above the peripheral wall. In addition, the bolster includes support surfaces bounded by recesses. The support surfaces support a bottom surface of the mat, and the recesses receive bulging portions of the mat when compressed under pressure from the die.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: February 13, 2001
    Assignee: Hallmark Cards, Incorporated
    Inventors: Ronald R. Smith, Scott A. Schimke
  • Patent number: 6095959
    Abstract: In a method and unit for feeding, in a product wrapping machine, a continuous band of wrapping material, the surface of which is pre-impregnated with an aromatizing substance, the band is unwound from a reel of wrapping material and is fed, along a given path, to a cutting station where the band is cut into lengths, each defining a sheet of wrapping material for a relative product; along the path there is a device for cleaning the band, designed to remove the aromatizing substance from a given portion of the band.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: August 1, 2000
    Assignee: G.D S.p.A.
    Inventors: Fausto Negrini, Giuliano Corazza
  • Patent number: 6039682
    Abstract: Composite paperboard containers formed from a first substantially planar sheet of paperboard material having a content contacting surface and a back surface, a first embossed sheet of paperboard material having a plurality of raised portions adhered to the back surface of the first planar sheet and a second embossed sheet of paperboard material having a plurality of raised portions adhered to the first embossed sheet of paperboard material. Additional planar sheets or embossed sheets may be added as desired in order to achieve the desired flexural stiffness and thermal resistance.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: March 21, 2000
    Assignee: Fort James Corporation
    Inventors: Jerome G. Dees, Kirk Kimbel
  • Patent number: 5683339
    Abstract: The bottom of a paperboard container of the type suitable for consumer distribution of liquid foods such as milk and fruit juice includes an embossed concavity to reinforce the bottom against bulging under content fill pressure for improved free-standing stability. The carton bottom concavity is embossed to approximate the shape of a stepped pyramid.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: November 4, 1997
    Inventors: Vincent Mills, Tim P. Hughes
  • Patent number: 5624367
    Abstract: A bottom blank maker workstation for a cup making machine is disclosed. The cup making machine is of the type having a rotating turret and a plurality of mandrels arranged to interact with a plurality of workstations. The turret moves each mandrel in a stepwise fashion through the plurality of workstations where a bottom blank and a sidewall blank are formed and attached to one another to create a container. The workstation includes a reciprocable punch and draw that cooperate with an abutment surface and a series of protrusions to impress the lip of the bottom blank with a series of indentations. The indentations promote a better seal to the sidewall blank.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: April 29, 1997
    Assignee: Paper Machinery Corporation
    Inventor: Mark J. Budziszewski
  • Patent number: 5588943
    Abstract: The bottom of a paperboard container of the type suitable for consumer distribution of liquid foods such as milk and fruit juice includes an embossed concavity to reinforce the bottom against bulging under content fill pressure for improved free-standing stability. The concavity is embossed between a pair of dies having a stepped pyramid configuration. An air venting channel traverses the innermost platform of the stepped pyramid.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: December 31, 1996
    Assignee: International Paper Company
    Inventors: Vincent Mills, Tim P. Hughes
  • Patent number: 5384177
    Abstract: A 2-dimensional carrier for picture, pattern and/or other information, produced from material, which is wavy or corrugated on its surface and the waves or currugations of which are pressed down or flat within or without contours, which are specified by the picture, pattern and/or the information.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: January 24, 1995
    Inventor: Karl-Heinz Rissmann
  • Patent number: 5226585
    Abstract: A disposable biodegradable insulated container includes a smooth walled frustoconical inner cup received within a frustoconical wrap. A series of angularly spaced apart fluted indentations formed in the outer surface of the wrap extend longitudinally of the wrap and terminate in spaced relation to the upper and lower edges of the wrap. The indentations define corresponding angularly spaced apart and inwardly directed ribs on the inner surface of the wrap which engage the sidewall and maintain portions of the wrap intermediate the ribs in spaced relation to the sidewall. The upper and lower marginal portions of the wrap are adhered to the sidewall. The thickness of the wrap is greater than the distance between the inner surface of the wrap and the outer surface of the sidewall measured from the central axis of the container in a radial direction and between the ribs. A method for making the container is also disclosed.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: July 13, 1993
    Assignee: Sherwood Tool, Inc.
    Inventor: Richard Varano
  • Patent number: 4946430
    Abstract: An apparatus and associated method for embossing at least one fold line in a substantially rigid plastic material for use in collapsible folding box with angle windows is disclosed, and the apparatus has a roll of plastic material, a heating zone for heating a length of the roll fed plastic material, an embossing zone located downstream of the heating zone for forming at least one fold line in the heated plastic material, a punching zone for intermittently forming cutout portions in the plastic material, a takeup device for creating a variable length slack in the plastic material for providing the continuous movement of the plastic material through the heating zone and the embossing zone and the intermittent movement of the plastic material through the punching zone, a cross-cutter to cut the plastic material at the punched holes, a suction roll to convey the cut plastic material for connection to a glue-coated cardboard box blank.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: August 7, 1990
    Assignee: Kohmann GmbH & Co. KG Maschinenbau
    Inventor: Karl-Heinz Kohmann
  • Patent number: 4938413
    Abstract: A container having a number of walls of cardboard, fiberboard, plastic or other relatively stiff sheet material, joined along corner edges is made collapsible by providing one or more accordion folds transverse to the corner edges. Each accordion fold includes parallel crease lines on a common side of the walls, an intermediate crease line on an opposite side of the walls, and diagonally opposed areas of locally weakened stiffness in the wall material adjacent each intersection of the intermediate crease with the corner edges, such that portions of each accordion fold tend to overlap at the corner edges to facilitate bellowing action of the accordion fold.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: July 3, 1990
    Inventor: Steve Wolfe
  • Patent number: 4828539
    Abstract: Described is a pack comprising a carrier material such as for example cardboard, which is coated with a thermoplastic material, for liquids, comprising a tube with a bottom and a cover which has a pouring spout, in the sealing region of which are disposed, beside sealing areas with a high adhesive force, sealing areas with a low adhesive force for the purposes of peeling the sealing areas apart.In order not to be dependent on agents which impair the sealing effect and on the disposition thereof on certain regions in the cover, and in order for the tooling to be simplified, the invention provides that the sealing area (40') with a low adhesive force is formed by a pattern of raised surfaces (6) which alternate with areas (5) disposed therebeside and at a lower level.
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: May 9, 1989
    Assignee: Tetra Pak International AB
    Inventors: Bengt Jonsson, Sten Persson, David Wiggins
  • Patent number: 4605125
    Abstract: A miniature flexible magnetic disk assembly having integrally formed motion limit stop projections along the length dimension of the disk assembly enclosure. The projections are formed from either side of the facing major wall portions of the enclosure by intruding a first and second pair of opposed major wall portion projections inwardly of the enclosure. Each projection has a concave outer surface, a convex inner surface and an abutment edge extending into the interior of the enclosure from each end of a progressive cut formed through the major wall portion a sufficient distance to provide an abutment edge forming an interference obstacle to the outer edge of the contained flexible disk.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: August 12, 1986
    Assignee: Dysan Corporation
    Inventor: Richard N. James
  • Patent number: 4577762
    Abstract: There is disclosed a package formed of a carton stock having front and rear main panels, side panels, and a set of end closure flaps, which comprises dust flaps, a cover flap, and a sealing flap, and coated, at least on the end closure flap, with a heat sealing coating which is cut and scored in a manner such that the sealing flap can be pulled away from the cover flap and the cover flap broken away to open the carton. The sealing flap has a tuck-in tab and the cover flap a complementary punch-in for effecting reclosing of the package.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: March 25, 1986
    Assignee: James River Corporation of Virginia
    Inventor: Morris W. Kuchenbecker
  • Patent number: 4518377
    Abstract: A gable-topped carton blank is cut from paperboard coated on both faces with thermoplastics. In the top closure, a loop of sub-panels provides a sealing fin. Each of two opposite sub-panels is folded inwardly upon itself and one is opened-out in forming a pouring spout. To reduce the tendency for the internal surface middle zone of this sub-panel to adhere to the internal surfaces of two other upper sub-panels during heat-sealing, these latter surfaces are formed in the blank with embossed recesses corresponding somewhat in position with recesses in sealing jaws.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: May 21, 1985
    Assignee: Elopak Limited
    Inventor: Edward A. Skinner