ABRASION TOOL, SEPARATION DEVICE, AND METHOD FOR PRODUCING RESIN FILM

• Main Author: HIRANO YUYA
• Format: Patent
• Language: English; Japanese
• Published: 09.01.2020
• Subjects: MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide an abrasion tool capable of abrading a surface layer of a multilayer film having a substrate layer and a surface layer formed of a resin for a long period of time.SOLUTION: An abrasion tool for abrading a surface layer of a multilayer film having a substrate layer and the surface layer formed of a resin, has a porous part having pores, an abrading surface having a protrusion capable of abrading the surface layer as a surface of the porous part, and a hollow part formed inside the porous part. The pores communicate from the hollow part to the abrading surface.SELECTED DRAWING: Figure 1 【課題】樹脂で形成された基材層及び表面層を備えた複層フィルムの前記表面層を、長期間にわたって擦過できる擦過具を提供する。【解決手段】樹脂で形成された基材層及び表面層を備えた複層フィルムの前記表面層を擦過するための擦過具であって、細孔を有する多孔質部と、前記多孔質部の表面としての、前記表面層を擦過可能な突起部を有する擦過面と、前記多孔質部の内部に形成された中空部と、を有し、前記細孔が、前記中空部から前記擦過面まで連通している、擦過具。【選択図】図１