公开(公告)号：US10851545B2

公开(公告)日：2020-12-01

申请号：US15141232

申请日：2016-04-28

申请人： Kuraray Co., Ltd.

发明人： Akira Imagawa ,  Shinya Inada ,  Yoshihiro Iwasaki ,  Saburo Hada

IPC分类号： E04D3/26 ,  B28B11/16 ,  C04B28/02 ,  E04D1/04 ,  B28B1/52 ,  B28B5/02 ,  C04B16/06 ,  E04D1/16 ,  B28B3/12 ,  C04B111/00 ,  C04B111/20

摘要： A concrete tile comprising a tile body, the tile body having an upper face hardened through non-mold shaping, a lower face hardened through mold shaping, and a side surface that includes a cut end face in at least one side of the tile body, wherein the tile body contains alkali-resistant fiber in an entire thickness thereof in a state substantially free of fiber-containing granular bodies; the alkali-resistant fibers comprise at least one member selected from the group consisting of polyvinyl alcohol-based fibers, polyethylene fibers, polypropylene fibers, acrylic fibers, and aramid fibers; and a flexural strength of a 30 mm×150 mm sized cut piece of the tile body is not less than 6 N/mm2.

公开(公告)号：US10604447B2

公开(公告)日：2020-03-31

申请号：US15539385

申请日：2015-12-24

申请人： Kuraray Co., LTD.

发明人： Akira Imagawa ,  Shinya Inada ,  Yoshihiro Iwasaki ,  Saburo Hada

IPC分类号： C04B16/06 ,  B28B11/16 ,  E04D1/16 ,  B28B1/52 ,  B28B5/02 ,  B28B3/12 ,  C04B14/06 ,  C04B18/02 ,  C04B28/04 ,  E04D1/04 ,  C04B111/00 ,  C04B111/40

摘要： A roof tile containing fibers which satisfy the following requirements (1) to (3): (1) to have an average fiber diameter of 50 μm or less; (2) to have an aspect ratio of 50 to 2000; and (3) to have three or less buckled portions per fiber.