CREASING TOOL AND METHOD OF CREATING CREASE LINES
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United States of America Patent
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Issued Date -
Jul 27, 2023
app pub date -
May 26, 2021
filing date -
May 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A creasing tool (53) configured to create a crease line (11, 12) in a fibrous substrate (35), the creasing tool comprises a contact portion (50) having a base surface (57) and a relief portion (54), the relief portion is provided as a protruding pattern extending from the base surface (57) and is configured to be pressed against said fibrous substrate,
- wherein the relief portion (54) comprises a crease-line forming portion (56) and a peripheral deformation portion (59), andwherein the peripheral deformation portion comprises a plurality of discrete segments in the shape of curved transverse surface areas (58) extending in a direction (E) transverse to a longitudinal direction (L) of the crease-line forming portion (56).
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