Composite laminate adhesive tape coiled in an endless roll form and process for forming the laminate adhesive tape roll
AssigneeMinnesota Mining and Manufacturing Company
InventorsPeter H. K. Pape, Jorg O. P. Tuschy
Life of this patent
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Abstract
Composite laminated adhesive tape coiled endlessly in roll form, comprising a central tape and first and third fastening tapes each disposed at respective ends thereof, with the surface of said fastening tapes being provided, at least partly, with pressure-sensitive adhesive, wherein in cross section the composite laminated adhesive tape coiled endlessly in roll form is folded in Z-form, with the top, slanted and bottom bars of the Z-shape being formed by separate first, second and third tape sections of first fastening tape, second central tape and third fastening tape, respectively.
Claims9
Composite laminated adhesive tape coiled endlessly in roll form, comprising a central tape and first and second fastening tapes each disposed at opposite ends of the central tape, with the surfaces of said fastening tapes being provided at least partly with pressure-sensitive adhesive,
- the composite laminated adhesive tape coiled endlessly in roll form is folded in Z-form, with the top, slanted and bottom bars of the Z-shape being formed by separate first, second and third tape sections of first fastening tape, central tape or second fastening tape, respectively, the pressure-sensitive adhesive coatings are provided on the surface of the first fastening tape facing toward the central tape section and on the surface of second tape facing away from the central tape section,
- one end of the central tape and the opposite end of the second fastening tape are turned over toward the first tape section or the second tape section, respectively, to provide bonding and adhesive surfaces on folds to affix the first fastening tape, to the central tape, and the central tape to the second fastening tape, respectively, and the adhesive coating on the first fastening tape contacts said bonding surface at the fold of the central tape and the adhesive coating on the second fastening provides said adhesive surface at the fold of the second fastening tape.
Dependencies are inferred from the claim text.