Classifications

• • 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
  • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
  • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
  • B65D3/08—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape having a cross-section of varying shape, e.g. circular merging into square or rectangular
• • 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
  • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
  • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
• • 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
  • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
  • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
  • B65D15/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
  • B65D15/08—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of plastics material
• • 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
  • B65D23/00—Details of bottles or jars not otherwise provided for
• • 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
  • B65D23/00—Details of bottles or jars not otherwise provided for
  • B65D23/10—Handles
  • B65D23/102—Gripping means formed in the walls, e.g. roughening, cavities, projections
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
  • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness

Definitions

• the invention relates to the field of packages for storing food products. More particularly, the invention relates to packages being formed at least to some extent by a packaging material.
• a common packaging type is manufactured in a packing and filling machine in which blanks of a packaging material are formed into tube forms which are then sealed at one end by means of a top of thermoplastic material that is injection molded direct on an open end portion. After the package is filled through the open bottom end, the bottom end is sealed and folded.
• the blanks of packaging material may for example be cut from a magazine reel of packaging laminate.
• a package of the above described type typically comprises a body of packaging material being cylindrical or having another form showing a symmetrical cross-section, and a convex top of thermoplastic material, which top is equipped with an opening mechanism for providing discharge of the enclosed product.
• Such package encounters a number of disadvantages.
• a particular problem occurs when the size of the package is increased, e.g. to 1 to 2 liters.
• Another object of the present invention is to provied a user-friendly package, also for packages enclosing a volume of e.g. 2 liters.
• a further object of the present invention is to provide a package that allows the user to easily understand how the package should be held during discharge.
• An idea according to the present invention is to provide a package that exhibits a handle integrally formed with the package.
• a yet further idea is to construct the handle such that an increased robustness is achieved when the package encloses a large amount of product, and such that the robustness is decreased as the package is emptied.
• a further idea is to provide a package which allows users having differently sized hands to maneouvre the package comfortable.
• a still further idea is to provide a package wherein a flexible body is conforming to the shape of a more rigid top portion.
• the flexible body may be made of a more environmental friendly material, while at the same time its shape is ensured.
• a package for enclosing a food product comprises a hollow body of a packaging laminate extending from a closed bottom end towards an upper end, and a top portion of a polymeric material being connected along its periphery to said upper end of said hollow body for closing said package, wherein said periphery of said top portion is defining a planar shape having a waist.
• the planar shape may be symmetrical.
• the top portion may comprise a reclosable opening for allowing food product being enclosed inside said package to be discharged through said opening.
• the opening may be arranged off-center on said top portion. Hence, the user may be directed in how to hold the package for optimum
• the cross-section of the closed bottom end of said hollow body may have a shape being different from the planar shape being defined by the periphery of said top portion. This allows flexible design, still providing advantageous functionality and robustness.
• the top portion may be made of HDPE, which is preferred since the top portion may be injection molded by well-known processes.
• Each one of two lateral sides of the hollow body may comprise a crease line arrangement for assisting the lateral sides to conform to the shape of the upper end of the hollow body being formed by means of the top portion.
• the crease line arrangement may extend from a lower region of the hollow body to the upper end, wherein said lower region is arranged between the bottom end and said upper end.
• the crease line arrangements are advantageous since they provide better conformity between the hollow body and the top portion, which means that the integral or recessed handle is made more distinct.
• the hollow body may be made of a packaging laminate.
• a blank made of a packaging material comprising pre-formed crease lines is provided.
• the blank is configured such that it forms a package according to the first aspect of the invention when its lateral sides are sealed together to form a hollow body and a bottom section of said hollow body is sealed to form a closed bottom end, when it is folded along the pre-formed crease-lines, and when it is connected to a top portion of a polymeric material.
• An upper end of the hollow body may be adapted to coincide with said periphery of said top portion defining a planar shape having a waist. .
• a method for forming a package according to the first aspect of the invention comprises the steps of providing the hollow body by sealing two lateral ends of a blank, closing one end of said hollow body by injection molding the top portion onto the upper end of said hollow body, filling said hollow body with a food product, and closing the package by sealing the bottom end of said package.
• a package for enclosing a food product comprises a hollow body of a packaging laminate extending from a closed bottom end towards an upper end, and a top portion of a polymeric material being connected along its periphery to said upper end of said hollow body for closing said package, wherein said closed bottom end is defining a planar surface having a D- shape.
• This is advantageous in that the package may be held comfortably, as the fingers of a user's hand may follow the smooth curvature of the hollow body, defined at its lower end as a D-shape.
• a D-shape is hereby defined as a planar shape having two corners in a first end and three or more corners in the second end.
• a package having a bottom D-shape may thus have a main body having two folding/creasing lines coinciding with the two corners of the first end such that a package with the properties of a rectangular parallelepiped in one end and with properties of a cylinder formed package in the other end is provided.
• the closed bottom end may have a back side, a front side, and two lateral sides connecting the front side to the back side, wherein the back side extends between two corners, and the front side extends between four corners. Hence, facilitated folding is provided.
• the periphery of said top portion may define a planar shape having a wiast.
• the planar shape may be symmetrical. This is advantageous in that a handle is provided showing a sufficient stability when the package is filled as well as when the package is almost empty without the use of excess material.
• the top portion may comprise a reclosable opening for allowing food product being enclosed inside said package to be discharged through said opening.
• Said opening may be arranged off-center on said top portion.
• the user may be directed in how to hold the package for optimum performance during discharge of enclosed food product.
• the cross-section of the closed bottom end of said hollow body may have a shape being different from the planar shape being defined by the periphery of said top portion. This allows flexible design, still providing advantageous functionality and robustness.
• the top portion may be made of HDPE, which is preferred since the top portion may be injection molded by well-known processes.
• Each one of two lateral sides of the hollow body may comprise a crease line arrangement for assisting the lateral sides to conform to the shape of the upper end of the hollow body being formed by means of the top portion.
• the crease line arrangement may extend from a lower region of the hollow body to the upper end, wherein said lower region is arranged between the bottom end and said upper end.
• the crease line arrangements are advantageous since they provide better conformity between the hollow body and the top portion, which means that the integral or recessed handle is made more distinct.
• the hollow body may be made of a packaging laminate.
• a blank made of a packaging material comprising pre-formed crease lines is provided.
• the blank is configured such that it forms a package according to the fourth aspect of the invention when its lateral sides are sealed together to form a hollow body and a bottom section of said hollow body is sealed to form a closed bottom end, when it is folded along the pre-formed crease-lines, and when it is connected to a top portion of a polymeric material.
• a method for forming a package according to the fourth aspect of the invention comprises the steps of providing the hollow body by sealing two lateral ends of a blank, closing one end of said hollow body by injection molding the top portion onto the upper end of said hollow body, filling said hollow body with a food product, and closing the package by sealing the bottom end of said package.
• an hourglass shape should in this context be interpreted broadly as a shape being defined by a closed loop having said waist.
• an hourglass shape includes a continuous parametric curve, which when observed in 2D coordinates starts at a first point, and continues in the presented order to a local maximum, a local minimum, a local maximum, and to a turning point, at which the curve changes direction and returns to the starting point via a local maximum, a local minimum, and a local maximum in said order.
• Fig 1 is a perspective view of a package according to a first
• Fig 2 is a top view of the package shown in Fig 1 .
• Fig 3 is a perspective view of a package according to a further embodiment.
• Fig. 4 is a perspective view of a package according to a yet further embodiment.
• Fig. 5 is a top view of a blank of packaging material according to an embodiment.
• Fig. 6 is a view from below of the package shown in Fig. 1 .
• the package 100 has a hollow body being made of a packaging laminate 1 10 and extending from a closed bottom end 1 12 towards an upper end 1 14.
• the upper end 1 14 is closed by means of a top portion 120 made of a thermoplastic material, such as HDPE (high density polyethylene).
• the top member 120 has a convex shape for allowing a smooth transition between the hollow body 1 10 and the top portion 120.
• the top portion 120 is defined by its periphery 122, to which the upper end 1 14 of the hollow body 1 10 is attached.
• the periphery 122 is forming a closed loop having a front side 124, a back side 126, and two lateral sides 128a, b.
• the front side 124 of the periphery 122 may have a shape of an arc Ai of a first circle, while the back side 126 can have a shape of an arc A 2 of a second circle.
• the radius of the first circle corresponding to the arc Ai is smaller than the radius of the second circle correspondning to the arc A 2 .
• Each one of the two lateral sides 128a, b is extending from an endpoint of the arc Ai to an endpoint of the arc A 2 in a curved direction, such that the periphery 122 of the top portion 120 is forming an hourglass shape, i.e. a shape having a waist.
• the width of the top portion 120 exhibits a minimum, being the waist, somewhere between the front side 124 and the back side 126.
• the top portion 120 can include an opening mechanism 130 which may be arranged off-center towards the front side 124.
• the opening mechanism 130 may be a screw cap, a snap-locking cap or any other reclosable mechanism known per se.
• the top portion 120 is made of a material being more rigid than the packaging laminate of the hollow body 1 10. Hence, the upper end 1 14 of the packaging laminate will adapt to the permanently shaped periphery of the top portion 120.
• the hollow body 1 10 may have a closed bottom end 1 12, of which the bottom surface, i.e. the surface facing the support surface when the package is standing, has a shape that differs from the shape of the periphery of the top portion 120. This allows the bottom end 1 12 to be shaped by folding along predefined crease lines, while the top portion 120 may have rounded corners for increasing the appeal to the user.
• the most simple shape to be achieved is a rectangle having perpendicular corners.
• the shape of the bottom end is advantageous if the shape of the bottom end to some extent conforms to the shape of the upper end 1 14, i.e. the shape of the periphery 122 of the top portion 120. This may be achived by adding crease lines such that perpendicular corners are avoided.
• the front side of the bottom end 1 12 has three faces being angled relative each other, while the back side has only one. This configuration is advantageous in that the bottom end 1 12 is conforming to the upper end 1 14 such that the tensile stress within the hollow body 1 10 is reduced.
• the gripable portion of the package i.e. the hollow body 1 10
• the hollow body 1 10 has a polygonial bottom and a waist-shaped upper end 1 14.
• the waist will thus contribute to the formation of a handle integrally formed within the hollow body 1 10, which structure being increasingly pronounced as the upper end 1 14 is approaching.
• the lateral sides of the bottom end 1 12 are both single edge sides, and the hollow body 1 10 further comprises a crease line arrangement 140 for allowing the lateral sides of the hollow body 1 10 to conform to the periphery 122 of the top portion 120.
• the crease line arrangement 140 is preferably identical on both sides of the package, and the package is preferably symmetric in relation to a plane of symmetry S.
• Said symmetry plane S is substantially perpendicular to a plane constituting the bottom 1 12 of the package.
• the symmetry plane S naturally extends through the center of the package 100, from the front side 124 to the back side 126.
• the crease line arrangement 140 will be described in detail in relation to the description of the corresponding blank.
• the waist of the top portion 120 allows for an increased functionality and stability of the package 100, as an integral handle is formed within the package 100.
• the recessed portion along the hollow body 1 10 being formed by means of the waist of the top portion 120 is suitable to receive the fingers of a user, i.e. a thumb on one side and the resulting fingers on the opposite side.
• the recessed portion is further emphasized by the additional crease line arrangement 140.
• a package When the package 100 is completely filled with a food product, the enclosed food product is creating a resistance against the recessed portion being further recessed when a user grasps the package. In the same way, when the package is almost empty, there is no longer a food product to resist the pressing force of the user.
• a package may be provided having an integral handle which is formed by a minimum of material costs, while still providing a sufficient rigidity relative the weight of the package.
• the package 200 comprises a hollow body 210 being similar to the hollow body 1 10 of the package 100 shown in Fig. 1 .
• the hollow body 210 extends from a closed bottom end 212 to an upper end 214 being attached to a top portion 220.
• the top portion 220 is defined by its periphery 222 having a front side 224, a back side 226, and two lateral sides 228a, b connecting the front side 224 to the back side 226.
• the top portion 220 is symmetrical along two axes X and Y, thus leaving the arcs defining the front side 224 and the back side 226 of the periphery 222 as mirrored copies.
• the hollow body 210 comprises a crease line pattern 240 on each one of the lateral sides.
• Each crease line arrangement 240 consists of a first line 242 arranged perpendicular to the longitudinal direction of the hollow body 200 and extending across the complete lateral side.
• two crease lines 244a, b are arranged such that they coincide with the vertical lines forming the interface between the lateral side and the front side as well as the back side of the hollow body.
• Two additional crease lines 246a, b are provided, extening from the intersection between the transversal crease line 242 and the vertical crease lines 244a, b towards the center of the upper end 214.
• the front side and the back side of the hollow body 210 also has a transversal crease line, arranged at the same height as the transversal crease line 242.
• the bottom end 212 of the hollow body 210 is formed to adapt to the shape of the periphery 222 of the top portion 220. Hence, each one of the front side and the back side of the bottom end 212 is folded to a V-shape, thus reducing the tensile stress within the packaging laminate.
• the package 300 comprises a hollow body 310 being similar to the hollow body 1 10 of the package 100 shown in Fig. 1 .
• the hollow body 310 extends from a closed bottom end 31 2 to an upper end 314 being attached to a top portion 320.
• the top portion 320 is defined by its periphery 322 having a front side 324, a back side 326, and two lateral sides 328a, b connecting the front side 324 to the back side 326.
• the top portion 320 is symmetrical along two axes X and Y, thus leaving the arcs defining the front side 324 and the back side 326 of the periphery 322 as mirrored copies.
• the top portion 320 further comprises an opening mechansim being arranged at the center of the top portion 320.
• the hollow body 310 comprises a crease line pattern 340 on each one of the lateral sides.
• Each crease line arrangement 340 consists of a U-shaped line 342 arranged such that the legs of the U coincide with the vertical crease lines forming the interface between the lateral sides and the front side and the back side of the hollow body.
• the bottom end 312 of the hollow body 310 is formed to adapt to the shape of the periphery 322 of the top portion 320. Hence, each one of the front side and the back side of the bottom end 312 is folded to a three edge side, thus reducing the tensile stress within the packaging laminate.
• a blank 400 of packaging material is shown in Fig. 5.
• the blank 400 is provided to form a package according to what has previously been described with reference to Figs. 1 and 2.
• the blank 400 of packaging material has a first end 402, a second end 404 and two lateral ends 406, 408 extending between the first end 402 and the second end 404.
• the blank comprises a first set of crease lines 410 arranged at said first end 402, and a second set of crease lines 420 arranged at said second end 404, wherein said blank is sealable along the two lateral ends 406, 408 for forming a hollow body.
• the first set of crease lines 410 is disposed such that said first end 402 is forming a closed bottom end when said blank is sealed and folded along said first set of crease lines 410.
• the second set of crease lines 420 may be disposed such that said second end 404 is assisted in conforming to a top portion having a waist.
• the second set of crease lines 420 (corresponding to the crease line arrangement 140 in the package 100) extends from the upper end 404 towards a lower region, said lower region being arranged between the closed bottom end 402 and said upper end 404. Further, the second set of crease lines 420 comprises a first pair of mutual reversed crease lines 422. One crease line is positioned on each side of the plane of symmetry S of the package to be formed. The plane S is shown as a symmetry line in Fig. 5. Said mutual reversed crease lines 422 are being positioned at a distance from the symmetry plane S and are angled in respect of said plane.
• the second set of crease lines 420 comprises a second pair of mutual reversed crease lines 424, wherein one crease line is positioned on each side of the symmetry plane S. As with the first mutual reversed crease lines 422, the second crease lines 424 are being positioned at a distance from the plane and are angled in respect of said plane. Furthermore, the second set of crease lines 420 comprises a third pair of mutual reversed crease lines 426, wherein one crease line is positioned on each side of the symmetry plane and, like the other crease lines, they are positioned at a distance from said plane and angled in respect of said plane.
• the first pair of crease lines 422 is arranged closest to the plane S and is having a first angle a to the plane S.
• the second pair crease lines 424 is having a second angle ⁇ to the plane S, said second angle ⁇ being larger than the first angle a.
• the third pair of crease lines 426 is having a third angle Y to the plane, said third angle ⁇ being larger than the second angle ⁇ .
• the crease lines of the first and third pairs 422, 424, 426 on each respective side of the plane, are connected by a curve 428. Hence, a first and a third crease line 422, 426 from each pair forms a single crease line.
• the crease lines of the first, second and third pairs 422, 424, 426 are angled such in relation to the plane that the angles ⁇ , ⁇ , ⁇ increase in a direction towards the upper end 404 of the blank, i.e. the crease lines diverge in a direction towards the uppe end 404.
• first set of crease lines 410 may comprise a first configuration of crease lines 412 disposed such that a front side having four corners of the bottom end is formed when the blank is folded along the first disposition of crease lines 412.
• the first set of crease lines 410 may comprise a second configuration of crease lines 414 disposed such that a back side having two corners of the bottom end is formed when the blank is folded along the second disposition of crease lines 414.
• the first set of crease lines 410 and the second set of crease lines 420 may be arranged such that a longitudinal sealing formed when the two lateral ends 406, 408 are sealed to each other does not pass through the first or second set of crease lines 410, 420.
• the longitudinal sealing extends from the second end 404 to a corner of the front side of the bottom end.
• the second set of crease lines 420 is arranged in the same end of the blank as the second configuration 414 of the first crease lines 410. Both the second set of crease lines 420 and the second configuration 414 of the first crease lines 410 are centrally aligned to the symmetry plane S.
• Fig 6 illustrates an example of a bottom end 500, seen from below, of the package according to the first embodiment illustrated in fig 1 and 2 based on the blank illustrated in Fig 5.
• the creasing lines are indicated by dotted lines.
• a first end which may be placed under a handle portion of the package, can be provided with two corners 502a, 502b, and a second end, which may be placed under a part of the top portion provided with an opening, can be provided with four corners 504a, 504b, 504c, 504d.
• a first bottom sealing end 506 and a second bottom sealing end 508 can be folded inwardly towards a middle portion 510 of the bottom sealing.
• a longitudinal sealing 512 of the package can be placed in an end of one of the lateral sides 128a,b of the package placed next to the backside of the bottom, which may be provided with four corners.
• An advantage of placing the longitudinal sealing in this end is that no longitudinal sealing is needed in the handle portion of the package. This is an advantage, since it is easier to form a handle portion of the hollow body of the package without the

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• Engineering & Computer Science (AREA)
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• 2010
  • 2010-03-31 EP EP10003559A patent/EP2371722B1/en not_active Not-in-force
  • 2010-03-31 PL PL10003559T patent/PL2371722T3/pl unknown
  • 2010-03-31 ES ES10003559T patent/ES2398433T3/es active Active
  • 2010-03-31 PT PT100035591T patent/PT2371722E/pt unknown
• 2011
  • 2011-03-23 WO PCT/EP2011/054464 patent/WO2011120858A1/en active Application Filing
  • 2011-03-23 US US13/638,376 patent/US20130082049A1/en not_active Abandoned
  • 2011-03-30 AR ARP110101064A patent/AR081325A1/es active IP Right Grant

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