C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 7/02 (2006.01) B65H 19/28 (2006.01) C09J 7/04 (2006.01)
Patent
CA 2663185
The invention relates to an adhesive tape for flying splice, having a left (I) and right (r) boundary edge, comprising at least one main carrier and a first layer of self- adhesive on the obverse (O) of the main carrier, the reverse (U) of the main carrier bearing a parting system which is suitable for effecting an adhesive bond to a substrate that can be parted again in such a way that sticky residues are left neither on the reverse of the main carrier nor on the substrate in the region of the parted bond, the parting system being constructed in the form of a multiply interrupted stripe comprising a plurality of segments that extends in the longitudinal direction of the adhesive tape (x direction), it being possible for the boundary edge of each of the segments to be represented by a line F which, in relation to a right-handed Cartesian (orthogonal) coordinate system, with an x-axis lying in the longitudinal direction of the adhesive tape and a y-axis standing perpendicularly to said x-axis and pointing from left to right, meets the following conditions: a point lying furthest right E1(x1/y max) ("extreme") or a region B1 ("extreme region") which encompasses a plurality of points lying furthest right and which is bounded by the points E1a(x1a/y max) and E1b(x1b/y max), with x1a < x1b, a point E2(x min/y2) lying least far in the x direction or a region B2 which encompasses a plurality of points lying least far in the x direction and which is bounded by the points E2a(x min/y2a) and E2b(x min/y2b), with y2a < y2b, a point E3(X max/y3) lying furthest in the x direction or a region B3 which encompasses a plurality of points lying furthest in the x direction and which is bounded by the points E3a(x min/y3a) and E3b(x min/y3b), with x3a < x3b, a rising line section (F s) which is bounded by the points E2 or E2b and E1 or E1a, a falling line section (F f) which is bounded by the points E1 or E1b and E3 or E3b, and for the plurality of the segments the steepness in the rising line section (F s) being lower than the steepness in the falling line section (F f), the steepness (in the sense of this specification) of a line section denoting the amount of the slope of a straight line ("straight steepness line") through the two line points bounding the line section.
Goetz Kerstin
Nagel Christoph
Wulf Stefan
Gowling Lafleur Henderson Llp
Tesa Se
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