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公开(公告)号：US10697552B2
公开(公告)日：2020-06-30
申请号：US15870327
申请日：2018-01-12
Applicant: TOTO LTD.
Inventor： Saori Ukigai , Atsushi Teramoto , Yuji Naka
IPC: B32B9/00 , F16K11/06 , F16K27/04 , F16K25/02 , C04B41/89 , C23C14/02 , C04B41/52 , F16K25/00 , C04B41/90 , C04B41/00 , C23C16/26 , C23C16/02 , C23C14/06 , F16K11/00 , C04B111/00
Abstract: Disclosed is a faucet valve including: a first valve body including a first slide surface, and formed from an alumina-based sintered body; and a second valve body including a second slide surface, and formed from an alumina-based sintered body, the first and second slide surfaces at least partially being in contact with each other with water in between. At least part of the second slide body is formed from a first amorphous carbon layer. The hardness of the first amorphous carbon layer is equal to or less than that of the alumina-based sintered body forming the first valve body. In the first amorphous carbon layer, a ratio (ID/IG) of a D peak to a G peak, measured by Raman spectroscopy, is greater than 0.5 but less than 1.9.
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公开(公告)号：US20180209550A1
公开(公告)日：2018-07-26
申请号：US15870327
申请日：2018-01-12
Applicant: TOTO LTD.
Inventor： Saori Ukigai , Atsushi Teramoto , Yuji Naka
Abstract: Disclosed is a faucet valve including: a first valve body including a first slide surface, and formed from an alumina-based sintered body; and a second valve body including a second slide surface, and formed from an alumina-based sintered body, the first and second slide surfaces at least partially being in contact with each other with water in between. At least part of the second slide body is formed from a first amorphous carbon layer. The hardness of the first amorphous carbon layer is equal to or less than that of the alumina-based sintered body forming the first valve body. In the first amorphous carbon layer, a ratio (ID/IG) of a D peak to a G peak, measured by Raman spectroscopy, is greater than 0.5 but less than 1.9.
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