Booklet, method and apparatus for producing the same
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United States of America Patent
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Nov 5, 1991
Grant Date -
N/A
app pub date -
Sep 8, 1988
filing date -
Mar 14, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention disclosed is directed to a method, an apparatus for manufacturing and apparatus for using a booklet, folder or wrapper comprising two substantially parallel covers (1,2) united with a spine (3) at crease lines (5,6). A strip (4) of adhesive binder is attached to the inside of the spine (3) and extends only between the crease lines (5,6). The strip of adhesive (4) is intended to be activated to provide adhesion between itself and one edge of a sheaf of sheets of material which are inserted between the covers (2,3). Two opposing longitudinal side edges of the (4a, 4b) of the strip of adhesive (4) are united with the respective covers (1,2) before the sheaf of sheets is inserted between the covers (2,3).
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