Resealable packaging for food products and method of manufacturing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-033/00
B65D-075/58
B65D-033/02
출원번호
US-0575470
(2011-01-26)
등록번호
US-9205967
(2015-12-08)
우선권정보
EP-10305091 (2010-01-26)
국제출원번호
PCT/EP2011/051008
(2011-01-26)
§371/§102 date
20120921
(20120921)
국제공개번호
WO2011/092171
(2011-08-04)
발명자
/ 주소
Renders, Eddy
Verhaegen, Rene
Looymans, Peter
출원인 / 주소
GENERALE BISCUIT
대리인 / 주소
Fitch, Even, Tabin & Flannery LLP
인용정보
피인용 횟수 :
0인용 특허 :
321
초록▼
Resealable packaging for food products is provided with a flexible container having a top face and side faces. A container aperture is disposed in the top face and a flexible closure flap extends from a base portion to a gripping member, and is provided with a movable portion covered of repositionab
Resealable packaging for food products is provided with a flexible container having a top face and side faces. A container aperture is disposed in the top face and a flexible closure flap extends from a base portion to a gripping member, and is provided with a movable portion covered of repositionable adhesive to cover the aperture and adhere to a peripheral area thereof in a closed position. The packaging comprises a stiffening band device made of a flexible material longer than the closure flap, which is bonded to the container through the top face and over two side faces and arranged to cover at least the portions of the peripheral area comprised between the longitudinal sides of the closure flap and the facing sides of the aperture. The aperture and the band device are delimited by continuous cut out lines. A method of manufacturing is also disclosed.
대표청구항▼
1. A resealable packaging for food products, comprising: a flexible container formed by a flexible film, said container having a top face, a bottom face and side faces,a container aperture extending at least within the top face and being wide enough for withdrawing a food product,a closure flap adhe
1. A resealable packaging for food products, comprising: a flexible container formed by a flexible film, said container having a top face, a bottom face and side faces,a container aperture extending at least within the top face and being wide enough for withdrawing a food product,a closure flap adhered to a first surface of the flexible film, the closure flap made of a flexible material and extending longitudinally from a base portion designed to remain bonded to the container to a gripping member, and provided therebetween with a movable portion covered of repositionable adhesive which is peelable from a closed position in which said movable portion covers the container aperture and adheres to a peripheral area thereof,a stiffening layer made of a flexible material longer than the closure flap, said layer being attached to a second surface of the flexible film on at least the top face and at least over two side faces and being arranged to cover at least the portions of the peripheral area comprised between the longitudinal sides of the closure flap and the facing sides of the container aperture,and in that said container aperture and said stiffening layer in the peripheral area of the aperture, are delimited by continuous cut out lines,said container extending along a total length between two container ends,wherein the width of the container aperture is less than 60% of the total length, andwherein outer edges of the stiffening layer are located in close proximity to the container aperture, such that the width between the stiffening layer outer edges is substantially smaller than the total length such that space for a plurality of food products is provided between the stiffening layer outer edges and the two container ends. 2. The resealable packaging of claim 1, wherein the flexible film forming the container has an inner and an outer side, the stiffening layer being bonded to the inner side of the flexible film. 3. The resealable packaging of claim 1, wherein the flexible container extends along a longitudinal axis between two opposite side faces on which the flexible film is sealed, and wherein the closure flap and the stiffening layer coaxially extends along a transversal direction with respect to the longitudinal axis. 4. The resealable packaging of claim 1, wherein the stiffening layer is further bonded over at least a portion of the bottom face. 5. The resealable packaging of claim 1, wherein the flexible container has a sealing seam extending through the bottom face, and wherein the stiffening layer is extended up to ends which are bonded to the bottom face at a distance from the sealing seam. 6. The resealable packaging of claim 1, wherein a container panel cut from the container flexible film adheres to the movable portion of the closure flap, and wherein a stiffening panel made of a flexible material is bonded to the container panel, said container and stiffening panels being arranged to fit within the container and stiffening band apertures in the closed position. 7. The resealable packaging of claim 1, wherein the flexible material forming the stiffening layer is a plastic film having a thickness comprised within a range of 30 to 120 micrometers. 8. The resealable packaging of claim 7, wherein the plastic film forming the stiffening layer has a thickness of about 50 micrometers. 9. The resealable packaging of claim 1, wherein the flexible material forming the stiffening layer has a thickness comprised between 100% to 150% of the thickness of the flexible film forming the container. 10. The resealable packaging of claim 9, wherein the flexible material forming the stiffening layer has a thickness of about 120% of the thickness of the flexible film. 11. The resealable packaging of claim 1, wherein the stiffening layer is covered with a repositionable adhesive which bonds said stiffening layer to the inner side of the container. 12. The resealable packaging of claim 1, wherein the stiffening layer is transparent. 13. The resealable packaging of claim 1, wherein the stiffening layer has a portion of larger width which is arranged at least partially over the inner side of the top face. 14. The resealable packaging of claim 1, wherein the stiffening layer has longitudinal straight edges. 15. The resealable packaging of claim 1, wherein said stiffening layer comprises a single band, said band being at least substantially wide as the closure flap and having a band aperture arranged to correspond the container aperture. 16. The resealable packaging of claim 15, wherein the container and the band apertures are delimited by a continuous annular cut out. 17. The resealable packaging of claim 1, wherein said stiffening layer comprises at least two band elements arranged on each side of the container aperture at a distance from each other. 18. The resealable packaging of claim 1, wherein the flexible container contains a stack of flat food products, the width of the container aperture being greater than the thickness of five food products and smaller than 60% total length of the stack. 19. The resealable packaging of claim 1, wherein the container aperture extends through the top face and over an upper portion of the two side faces, said upper portions having a height smaller than one third of the total height of said side faces. 20. The resealable packaging of claim 1, wherein the stiffening band is up to 10 mm wider on each side of the closure flap. 21. The resealable packaging of claim 1, wherein the peripheral area up to 15 mm wider around the aperture. 22. The resealable packaging of claim 1, wherein the adhesive between the closure flap and the packaging is the same as the adhesive between the stiffening layer and the packaging. 23. The resealable packaging of claim 1, wherein the container aperture is provided with at least one opening indicating function by comprising portions of the flexible film projecting inwardly towards a central region of the container aperture.
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