Huhtamaki Ronsberg, Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
17인용 특허 :
87
초록▼
Flow-wrap packaging having a longitudinal sealed seam and two transverse sealed seams, at least the longitudinal sealed seam being spaced apart from the associated longitudinal edge of the packaging, wherein a device for indicating whether the packaging has already been opened (seal guarantee) is ar
Flow-wrap packaging having a longitudinal sealed seam and two transverse sealed seams, at least the longitudinal sealed seam being spaced apart from the associated longitudinal edge of the packaging, wherein a device for indicating whether the packaging has already been opened (seal guarantee) is arranged at at least one point between the longitudinal sealed seam and the longitudinal edge ,that is to say at at least one point on the longitudinal edge strips of the packaging defined by the longitudinal sealed seam and the longitudinal edge.
대표청구항▼
1. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, whe
1. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: said device for indicating whether the packaging has already been opened is defined by an adhesion or sealing point, the sealing point being bounded by tear-lines at least on one of the said two longitudinal edge strips so that when the packaging is opened for the first time a correspondingly bounded edge strip portion is visibly separated together with the sealing point. 2. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the cold-seal adhesive is an adhesive produced on the basis of a water-based styrene-acrylate dispersion and, at least in the region of the longitudinal sealed seam, is capable of being restuck by a number of times selected from the group consisting of at least three times and up to 10 to 15 times, without the closure strength being appreciably affected (so that still having at least 50% to 80% of the preceding closure strength). 3. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the initial closure strength of the cold-seal adhesive is in a range selected from the group consisting of from 3.2 N/15 mm to 2.5 N/15 mm, from 3.0 N/15 mm to 2.65 N/15 mm and from 2.75 N/15 mm to 2.85 N/15 mm. 4. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: said cold-seal adhesive has a solids content in a range selected from the group consisting of from 40% to 65%, from 45% to 60% and from 50% to 53%, and a viscosity (at 25° C.) in a range selected from the group consisting of from 350 cp to 650 cp, from 400 cp and 580 cp and from 480 cp to 520 cp according to Brookfield ASTM D3236. 5. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the application weight of the cold-seal adhesive is in a range selected from the group consisting of from 3.8 g/m2 to 5.2 g/m2, from 4.2 g/m2 to 4.8 g/m2 and from 4.35 g/m2 to 4.55 g/m2. 6. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the colorant has a solids content in a range selected from the group consisting of from 28% to 42%, from 32% to 38% and from 33% to 34.5%, and having a viscosity (at 20° C.) in a arrange selected from the group consisting of from 75″ ±5″ B6 cup (corresponding to 805 cp±53.13 cp according to Brookfield ASTM D3236). 7. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the colorant is a water-based ink. 8. A packaging selected from the group consisting of film packaging and flow-wrap film packaging, said packaging having a longitudinal sealed seam and two transverse sealed seams, at least the said longitudinal sealed seam being spaced apart from an associated longitudinal edge of the packaging, wherein: at at least one point between said longitudinal sealed seam and said longitudinal edge, so that at at least one point on longitudinal edge strips of the packaging defined by said longitudinal sealed seam and said longitudinal edge, there is arranged a device for indicating whether the packaging has already been opened, wherein said device for indicating whether the packaging has already been opened is formed by a tag selected from the group consisting of a non-restickable adhesive tag, and a non-restickable cold-seal adhesive tag, on the inner side of one of two longitudinal edge strips and, associated therewith, a color marking on the inner side of the other, or opposite, longitudinal edge strip, wherein, on detachment of the adhesive tag from the colour marking, colorant remains visibly adhering to said adhesive tag, andwherein: the application dry weight of the colorant is in a range selected from the group consisting of from 0.25 g/m2, from 0.8 g/m2 to 1.8 g/m2 and from 1.0 g/m2 to 1.5 g/m2.
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