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    • 10. 发明专利
    • FLOOR SURFACING STRUCTURE
    • JPH01174767A
    • 1989-07-11
    • JP33019187
    • 1987-12-28
    • DAINIPPON INK & CHEMICALSCHUGAI SHOKO KK
    • USHIO YOZOTERAJIMA KUNIOMIMAEKAWA TOSHIHIRO
    • E04F15/12E04F15/22
    • PURPOSE:To aim at the promotion of low-unit cost of production by forming an undercoating layer with an admixture of elastic granular matter and moisture setting type liquid resin and a second coating layer with two-liquid urethane foam resin containing granular matter, then a surface layer with cold setting type liquid resin, respectively. CONSTITUTION:Elastic granular matter of rubber chips or the like and an admixture consisting of moisture setting type polyurethane liquid resin are spread wide on a hard ground 1 after applying a primer at need and thereby an undercoating layer 2 is formed. Urethane foam resin containing optional grain size granular matter is formed as many as more than one time, thereby forming a combined second coating and filling-up layer 3 of the required thickness. Then, cold setting type liquid resin is applied with a proper tool and a surface layer 4 is formed. Uniform film thickness is formed, irregularity adjustment is omitted, while high elasticity and durability are maintained. Consequently, application is facilitated and simultaneously cost is reduced.