POROUS PAPER SHEET, AND DEVICE AND METHOD OF MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Sep 20, 2018
app pub date -
Aug 23, 2016
filing date -
Aug 23, 2016
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Abstract
A porous paper sheet includes a first base material; and paper pieces laminated on the first base material, and adhered to each other or adhered to the first base material using an adhesive such that the paper pieces have predetermined pores therebetween. The paper pieces are shredded in a predetermined size. A device for manufacturing the porous paper sheet, includes: a first base material feeder feeding a first base material; a conveyor unit including a conveyor belt on which the first base material is placed and rollers driving the conveyor belt; an adhesive nozzle positioned above the conveyor belt and applying an adhesive to the first base material; and a paper piece feeder positioned above the conveyor belt and feeding paper pieces to the first base material.
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