Paper block or pad and a method of producing it
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United States of America Patent
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May 26, 1987
Grant Date -
N/A
app pub date -
Jul 2, 1985
filing date -
Nov 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A block or pad comprising a folder with two covers (1,2) joined to each other by a spine (3), on the inside of which a thermosetting binder in the form of a strip (6) has been attached and also comprising a sheaf of papers (8), one side edge of which is joined to the inside of the spine via the strip. At least some of the sheets joined to the inside of the spine (3) are provided with weakening lines (7) parallel to, and at a small distance from portions of the sheet which remain joined to the strip. The invention also relates to a method of producing the block or pad.
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