Method For Manufacturing Raised Sheet And Cleaning Sheet
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United States of America Patent
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Issued Date -
Mar 11, 2021
app pub date -
Jan 29, 2019
filing date -
Jan 30, 2018
priority date (Note) -
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Abstract
A method for efficiently obtaining a raised sheet as a sheet for cleaning that has raised cleaning portions and effectively collects dust is described. Manufacturing a raised sheet can include stacking a base material sheet and fiber aggregate, applying a load to fibers of the fiber aggregate under an unheated state, forming joining portions by partially joining the fiber aggregate and the base material sheet, forming a fiber bundle joined to the base material sheet in the joining portions by cutting the fiber aggregate at portions where the fiber aggregate and the base material sheet are not joined, and raising fibers by injecting fluid to the fiber bundle.
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