Carton having stacking strength-enhancing feature
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-025/04
B65D-017/28
출원번호
UP-0836171
(2004-04-30)
등록번호
US-7568611
(2009-08-24)
발명자
/ 주소
Cargile, Jr., John W.
출원인 / 주소
MeadWestvaco Packaging Systems, LLC
대리인 / 주소
Suzuki, Tsugihiko
인용정보
피인용 횟수 :
8인용 특허 :
9
초록▼
A carton having a dispensing feature adapted for permitting the removal of articles from within the carton. Top and bottom opposed walls are interconnected by a pair of side walls to form a tubular body. An article dispenser is provided by a removable portion defined by an opening in the carton for
A carton having a dispensing feature adapted for permitting the removal of articles from within the carton. Top and bottom opposed walls are interconnected by a pair of side walls to form a tubular body. An article dispenser is provided by a removable portion defined by an opening in the carton for exposing articles for removal. The removable portion is at least partially defined by a frangible line extending across each side wall to opposite side edges of the bottom wall. A portion of the frangible line extends at least partially along the adjacent end edge of the bottom wall and then extends to the opposite side edges of the bottom wall. A buttress arrangement for enhancing the stacking strength of the carton is formed from the distal portion of at least one side end flap.
대표청구항▼
What is claimed is: 1. A carton comprising: top and bottom opposed walls hingedly interconnected by a pair of side walls to form a tubular body having an interior; an end closure structure for at least partially closing each of opposite ends of said tubular body; a buttress arrangement provided by
What is claimed is: 1. A carton comprising: top and bottom opposed walls hingedly interconnected by a pair of side walls to form a tubular body having an interior; an end closure structure for at least partially closing each of opposite ends of said tubular body; a buttress arrangement provided by each of said end closure structures, each of said buttress arrangements being disposed within said interior and extending vertically between said top and bottom walls to enhance the stacking strength of said carton; and an article dispenser provided at at least one of said opposite ends, said article dispenser at said at least one end being provided by a removable portion of said carton to define an opening for exposing articles for removal from said carton, said removable portion being defined by a frangible line extending across said top wall at a distance spaced from said at least one end, said frangible line further extending from said top wall across each of said side walls toward said bottom wall to a point on a fold line between said each side wall and said bottom wall, said point being positioned at a distance from said one end to control undesired tear of said side walls along said frangible line when said carton undergoes vertical compression, wherein a depressible tear initiation tab is defined in said top wall by a portion of said frangible line, said depressible tear initiation tab being disposed at a position offset from an upper end of either one of said buttress arrangements. 2. The carton of claim 1 wherein said each end closure structure comprises a pair of side end flaps joined to said side walls respectively, each of said side end flaps comprising a proximal portion hingedly connected to a respective one of said side walls and extending toward the other side wall, one of said side end flaps further comprising a distal portion hingedly connected to said proximal portion of said one side end flap, said distal portion of said one side end flap extending into said interior to form a respective one of said buttress arrangements. 3. The carton of claim 2 wherein the other one of said side end flaps of said each end closure structure further comprises a distal portion extending into said interior, said distal portions of said side end flaps of said each end closure structure being disposed in a face-to-face relationship with one another to form said respective buttress arrangement. 4. The carton of claim 2 wherein said distal portion of said one side end flap is positioned such that said distal portion is disposed between articles within said carton to serve as a partition. 5. The carton of claim 2 wherein said distal portion of said one side end flap extends all the way between said top and bottom walls to be in abutment at upper and lower ends thereof on inside surfaces of said top and bottom walls, and wherein said depressible tear initiation tab is disposed at a position offset from said upper end of said distal portion of said one side end flap. 6. The carton of claim 1 wherein said buttress arrangement at said one end of said tubular body is removable from said carton along with said removable portion to permit said articles to be dispensed from said carton. 7. The carton of claim 1 wherein said frangible line extending across said each side wall is curved at least in part. 8. The carton of claim 1 wherein said frangible line further extends from each of said points to an end edge of said bottom wall at said one end of said tubular body and still further extends at least partially along said end edge of said bottom wall to form an endless line, wherein a portion of said frangible line along said end edge of said bottom wall comprises means for keeping said removable portion attached to said tubular body. 9. The carton of claim 8 wherein said frangible line extends entirely along said end edge of said bottom wall and further along part of each of said fold lines between said point on said each fold line and said end edge of said bottom wall so that no part of said bottom wall is removed from said tubular body together with said removable potion. 10. The carton of claim 8 wherein said frangible line extends along part of said end edge of said bottom wall, a portion of said frangible line connecting between said each point and said end edge of said bottom wall being formed in said bottom wall, said portions of said frangible line extending divergently from said end edge to said points. 11. The carton of claim 1 wherein said removable portion consists of a portion of said top wall, a portion of each of said opposing side walls, and a portion of a respective one of said end closure structures. 12. The carton of claim 8 wherein said removable portion is hingedly connected to said bottom wall along a portion of said frangible line extending along said end edge of said bottom wall so that said removable portion remains connected to said carton by said portion. 13. The carton of claim 3 wherein said each side end flap includes a vertical fold line dividing said each side end flap into said distal and proximal portions, said distal portion having a horizontal transverse size greater than a horizontal transverse size of said proximal portion. 14. A carton comprising: top and bottom opposed walls hingedly interconnected by a pair of side walls to form a tubular body having an interior; an end closure structure for at least partially closing each of opposite ends of said tubular body; and an article dispenser provided at one of said opposite ends by a removable portion of the carton to define an opening for exposing articles for removal from said carton, said removable portion being at least partially defined by a frangible line, said frangible line comprising: a first portion formed in said top wall and extending between opposite side edges of said top wall at a first distance spaced from said one end, part of said first portion defining a tear initiation tab in said to wall; a second portion formed in one of said side walls and extending from one of said side edges of said top wall to a point on a lower edge of said one side wall; a third portion formed in the other of said side walls and extending from the other side edge of said top wall to a point of a lower edge of said other side wall; and a fourth portion extending at least partially along an end edge of said bottom wall at said one end of said tubular body such that said second and third portions are interconnected by said fourth portion, wherein each of said points on said lower edges is positioned at a second distance from said one end of said tubular body to control undesired tear of said side walls along said frangible line when said carton undergoes vertical compression, said first distance being substantially greater than said second distance to facilitate development of breaking of said frangible line from said top wall toward said bottom wall. 15. The carton of claim 14 wherein said second and third portions are curved in at least in part. 16. The carton of claim 14 wherein said fourth portion extends entirely along said end edge of said bottom wall and further along part of each of said lower edges of said side walls between said point on said each lower edge and said end edge of said bottom wall so that no part of said bottom wall is removed from said tubular body together with said removable portion. 17. The carton of claim 14 wherein said fourth portion extends in part along said end edge of said bottom wall and in part formed in said bottom wall to connect said each point to said end edge of said bottom wall, sub-portions of said fourth portion connecting between said points to said end edge of said bottom wall extending divergently from said end edge to said points, said sub-portions being disposed continuous with said second and third portions respectively such that when the carton is in blank form, no corner is defined between each of said sub-portions and an adjacent one of said second and third portions. 18. The carton of claim 14 wherein said removable portion consists of a portion of said top wall, a portion of each of said opposing side walls, and a portion of a respective one of said end closure structures. 19. The carton of claim 14 wherein said removable portion is hingedly connected to said bottom wall along part of said fourth portion extending along said end edge of said bottom wall so that said removable portion remains connected to said carton by said part of said fourth portion. 20. A carton comprising: top and bottom opposed walls hingedly interconnected by a pair of side walls to form a tubular body having an interior; an end closure structure for at least partially closing each of opposite ends of said tubular body; and a buttress arrangement provided by each of said end closure structures, each of said buttress arrangements being disposed within said interior and extending vertically between said top and bottom walls to enhance the stacking strength of said carton, wherein said each end closure structure comprises a pair of side end flaps joined to said side walls respectively, each of said side end flaps of said each end closure structure comprising a proximal portion hingedly connected to a respective one of said side walls, and a distal portion hingedly connected to said proximal portion, said proximal portions extending from said side walls toward each other and together providing a wall spanning a width entirely between said side walls, said distal portions extending from said proximal portions into said interior and being disposed in a face-contacting relationship with each other to form a respective one of said buttress arrangements, wherein said each side end flap includes a vertical fold line dividing said each side end flap into said distal and proximal portions, said distal portion having a horizontal transverse size greater than a horizontal transverse size of said proximal portion, and wherein said each end closure structure further comprises a pair of upper and lower end flaps hingedly connected to said top and bottom walls respectively, each of said upper and lower end flaps is glued to both said proximal portions of a respective one of said end closure structure. 21. The carton of claim 20 wherein said respective buttress arrangement is positioned such that said respective buttress arrangement is disposed between articles within said carton to serve as a partition. 22. The carton of claim 21 wherein each of said distal portions of said respective buttress arrangement extends all the way between said top and bottom walls to be in abutment at upper and lower ends thereof on respective inside surfaces of said top and bottom walls.
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이 특허에 인용된 특허 (9)
Fujiwara Jiro,JPX, Carton applicable as display package.
Crowe Stephen O. (Springhill LA) Harper Jeffrey D. (Springhill LA) Wilson Woody B. (Oxford MS), Octagonal tray with vertical stacking posts and stabilized corner panels.
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