(57) The invention relates to adhesive slash pockets of web material, the basis thereof
being a self-adhesive web material, for example av paper web (2) which is releasably
applied to a web-shaped carrier (1). For the purpose of providing slash pockets
which on their carrier, i.e. before being used, can be treated in a computer means
for the printing of information in the area of the pockets for thereby facilitating
the preparation of books to be used in libraries, there is according to the invention
suggested that in a center portion of a double web there is provided a double slit
(3) going through both webs (2a,1), and that through substantially only the carrier
web (1) there is cut a single slit (4a), which together with the double slit (3)
enclose a suitable area of the carrier (1), such that by peeling the paper web (2a)
from the carrier (1) the portion of the carrier web (1) being enclosed by the double
slit (3) and the single slit (4a), will remain on the rear side of the paper web (2a),
such that by permanent adhering of the paper web (2a) to an object, for example the
inside of a book cover (8), there will be provided a slash pocket, in which the double
slit (3) becomes the mouth of the pocket and the size of the pocket is given by said
portion (4) of the remaining carrier web. Possibly, there may be used a self-adhesive
paper web (2ʹ) having adhesive free fields (20n) which together with a through-going
slit (3n) can form pockets.
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