Package of flexible material, particularly for sterilisable food products
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-033/16
B65D-033/00
B65D-065/26
B65D-043/02
B65D-043/00
B65D-017/00
출원번호
US-0576753
(2009-10-09)
등록번호
US-8523441
(2013-09-03)
우선권정보
EP-08425661 (2008-10-10)
발명자
/ 주소
Goglio, Franco
Bottini, Giorgio
Galbasini, Roberto
출원인 / 주소
Goglio S.p.A.
대리인 / 주소
Young & Thompson
인용정보
피인용 횟수 :
7인용 특허 :
12
초록▼
A package of flexible material, particularly suitable to contain sterilizable food products, has a parallelepiped box shape with a base or bottom wall (2), a top wall (3), a front wall (4), a back wall (5) and two side walls (6, 7), an opening (8) closed by a peelable patch (9) sealed along a track
A package of flexible material, particularly suitable to contain sterilizable food products, has a parallelepiped box shape with a base or bottom wall (2), a top wall (3), a front wall (4), a back wall (5) and two side walls (6, 7), an opening (8) closed by a peelable patch (9) sealed along a track (20) disposed astride the peripheral edge of the opening (8) being provided on the top wall (3), a respective peripheral edge (10) protruding from the base (2) and from the top wall (3).
대표청구항▼
1. A package (1) of flexible material, for foodstuffs, comprising: a first flexible film defining a parallelepiped box having, in a position of use, a base or bottom wall (2), a top wall (3), a front wall (4), a rear wall (5) and two side walls (6, 7), an opening (8); anda second flexible film defin
1. A package (1) of flexible material, for foodstuffs, comprising: a first flexible film defining a parallelepiped box having, in a position of use, a base or bottom wall (2), a top wall (3), a front wall (4), a rear wall (5) and two side walls (6, 7), an opening (8); anda second flexible film defining a peelable patch (9) on one of said walls, the peelable patch (9) closing the opening (8), wherein,the peelable patch (9) is peelably heat sealed to said wall of the package along a sealing track (20) which is disposed astride a peripheral edge of said opening (8), andwherein said peripheral edge of said opening (8) is defined by a first surface portion heat-sealed to an inner surface of the patch (9) and a second adjoining cross-section portion, the second cross-section portion is covered by a heat-seal overflow of a material (93) of the inner surface of the patch (9), which overflow of material (93) runs from the first surface portion and along the second cross-section portion at an area of the sealing track (20) not superimposed on the wall of the box during heat sealing so as to avoid contact of contents of the package with said edge of the opening (8). 2. A package according to claim 1, wherein, said opening (8) closed by the peelable patch (9) is provided on said top wall (3). 3. A package according to claim 2, wherein, said peripheral edge of said opening (8) is covered by the material of the inner surface of the patch (9) which runs from the area of the sealing track (20) not superimposed on the wall of the parallelepiped box during heat sealing so as to avoid the contact of the contents of the package with said edge of the opening (8). 4. A package according to claim 1, wherein, said bottom wall (2) and said top wall (3) have a respective protruding peripheral edge (10). 5. A package according to claim 4, wherein, said protruding peripheral edges (10) of the bottom and top walls (2, 3) of the parallelepiped box are obtained by respective pairs of longitudinal seals (11), of a fin seals type, made during the package forming process, transverse seals (12, 13) with subsequent gusset folds (14, 15) being disposed on the side walls (6, 7) of the package. 6. A package according to claim 4, wherein, a lid (40) is provided to cover said top wall (3). 7. A package according to claim 6, wherein, said lid (40) has a downward protruding peripheral edge (41), surrounding said protruding peripheral edge (10) of the top wall (3). 8. A package according to claim 7, wherein, said lid (4) has two opposite facing tabs (42) adapted to be inserted in respective gussets (14, 15) of the side walls (6, 7) of the package. 9. A package according to claim 1, wherein, the first and second flexible films making up the parallelepiped box and the patch (9) are each multilayer films comprising at least one inner layer of aluminium or another barrier layer, and heat-sealing layers on contact, at least one of them being of a peelable type. 10. A package according to claim 9, wherein, the first flexible film of the parallelepiped box comprises, from the outside in, a first layer (31) of cast polypropylene, of heat-sealing biaxially oriented polypropylene or of heat-sealing polyester; a second layer (32) of aluminium; a third layer (33) of polyester or of nylon and a fourth layer (34) of cast polypropylene, whereas the second flexible film of the patch (9) comprises, again from the outside in, a first layer (91) of polyester; a second layer (92) of aluminium and a third layer (93) of peelable cast polypropylene, the third layer being the overflow of material (93). 11. A package according to claim 1, wherein said box and patch are suitable for containing food products in one of a liquid state, a viscous state, and a solid state with preserving liquid, the package and contained food destined to undergo heat treatments in an autoclave, the box and patch suitable to withstand sterilisation temperatures. 12. A package according to claim 1, wherein said peripheral edge of said opening (8) is comprised, from the outside in, a first layer (31) of cast polypropylene; a second layer (32) of aluminium; a third layer (34) of cast polypropylene, andthe patch (9) comprises, from the outside in, a first layer (91) of polyester; a second layer (92) of aluminium and a third layer (93) of peelable cast polypropylene, the third layer being the overflow of material (93), andthe third layer (93) of the patch (9) covers the first layer (31) of cast polypropylene and the second layer (32) of aluminium of the second cross-section portion of the peripheral edge of said opening (8). 13. A package according to claim 1, wherein said peripheral edge of said opening (8) is comprised, from the outside in, a first layer (31) of polypropylene; a second barrier layer (32); a third layer (34) of polypropylene, andthe patch (9) comprises, from the outside in, a first layer (91) of polyester; a second barrier layer (92) and a third layer (93) of peelable polypropylene, the third layer being the overflow of material (93), andsthe third layer (93) of the patch (9) covers the first layer (31) and the second barrier layer (32) of the second cross-section portion of the peripheral edge of said opening (8). 14. A package according to claim 1, wherein said peripheral edge of said opening (8) is comprised, from the outside in, a first layer (31); a second barrier layer (32); a third layer (34), andthe patch (9) comprises, from the outside in, a first layer (91); a second barrier layer (92) and a third layer (93) of peelable polypropylene, the third layer being the overflow of material (93), andthe third layer (93) of the patch (9) covers the first layer (31) and the second barrier layer (32) of the second cross-section portion of the peripheral edge of said opening (8).
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