BUFFER MATERIAL
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United States of America Patent
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Issued Date -
May 11, 2023
app pub date -
Nov 7, 2022
filing date -
Nov 8, 2021
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Abstract
A buffer material of the present disclosure is a buffer material including a buffer sheet that contains cellulose fibers and a binding material binding the cellulose fibers and has a sheet shape, in which the buffer sheet has a plurality of first projections that protrude toward at least one surface side and are provided in a lattice shape. Further, it is preferable that the buffer sheet further have a plurality of second projections having a projection amount that is greater than a projection amount of the first projections.
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