CORE MEMBER FOR AN ABSORBENT SHEET ROLL
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Jul 2, 2012
filing date -
Jul 2, 2012
priority date (Note) -
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Abstract
A hollow cylindrical core member (17) suitable for supporting a roll (11) of absorbent sheet material. The core member (17) includes a central axis (22), an outer cylindrical surface (20), and an inner cylindrical surface (23). The inner cylindrical surface (23) includes engagement means suitable for rotationally locking said core member (17). The engagement means include at least one elongated recess (19) and/or projection (29) extending helically along said inner cylindrical surface (23), or at least one elongated projection (29) extending in a direction of said central axis (22).
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