公开(公告)号：US4869450A

公开(公告)日：1989-09-26

申请号：US302886

申请日：1989-01-30

Applicant: Shinji Takeda ,  Mitsuharu Hashimoto

Inventor： Shinji Takeda ,  Mitsuharu Hashimoto

IPC: F16K5/06

CPC classification number: F16K5/0678 ,  F16K5/0626 ,  Y10T137/0447 ,  Y10T137/6038 ,  Y10T403/7005

Abstract: A ball valve is provided which comprises a valve body formed from a tubular member with a cylindrical hole extending therethrough, a stem having one end thereof projecting into the hole, and a ball fixed to an end of the stem. The ball has a circular bore extending diametrically therethrough, wherein the ball is spherical in shape with removed chordal segments corresponding to the bore. A seat carrier is inserted in the hole, the seat carrier having one end adjacent the ball, a connecting sleeve contacts the seat carrier at the other end thereof opposite the end adjacent the ball, and a union nut couples the connecting sleeve to the valve body. Diametrically opposed projections are provided on the inner surface of the valve body, the projections extending into the hole, recesses formed on the side of the seat carrier adjacent the one end thereof, and diametrically opposed grooves are formed in the side of the seat carrier adjacent the recesses. The grooves extend in the circumferential direction from the adjacent recesses. When the seat carrier is inserted into the valve body and rotated therein, the projections on the valve body engage the grooves in the seat carrier to thereby hold the seat carrier in the valve body. Further, a flange is formed on the other end of the seat carrier wherein one of the flange and valve body includes at least one projection and the other of the flange and valve body includes at least one cavity. The projection is engaged in the cavity to prevent the rotation of the seat carrier with respect to the valve body.

Abstract translation: 提供一种球阀，其包括由具有延伸穿过其中的圆柱形孔的管状构件形成的阀体，其一端突出到孔中的杆和固定到杆的端部的球。 球具有直径从其中延伸的圆形孔，其中球是球形的，具有对应于孔的去除的弦节。 座位托架被插入孔中，座椅托架的一端靠近球，连接套与另一端相接触座椅托架，靠近球的端部，联管螺母将连接套筒连接到阀体上 。 在阀体的内表面上设置有直径相对的突起，延伸到孔中的突起，邻近其一端形成在座架的侧面上的凹部，并且在座椅支架的相邻侧面形成直径相对的槽 凹槽。 凹槽从相邻的凹部沿圆周方向延伸。 当座椅支架插入阀体并旋转时，阀体上的突起与座椅支架中的槽接合，从而将座椅支架保持在阀体中。 此外，凸缘形成在座架的另一端上，其中凸缘和阀体中的一个包括至少一个凸起，凸缘和阀体中的另一个包括至少一个空腔。 凸起接合在空腔中以防止座架相对于阀体旋转。

公开(公告)号：US4883253A

公开(公告)日：1989-11-28

申请号：US830492

申请日：1986-02-19

Applicant: Mitsuharu Hashimoto ,  Shinji Takeda

Inventor： Mitsuharu Hashimoto ,  Shinji Takeda

IPC: F16K5/06 ,  F16K27/06

CPC classification number: F16K27/067 ,  F16K5/0668 ,  Y10T137/0508 ,  Y10T137/6038

Abstract: A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of the ball seat contacts the spherical surface of the ball only in the closed position of the ball. In the open position, the lip falls within a recess surrounding the end of the flow passage in the ball. A gap of 0.3 to 0.7 mm is formed, in the open position, between the wall surface of the recess and the end of the lip. The end of the lip should fall, in the open position of the ball, about 0.2 mm inside an imaginary continuation of the surface of the ball at the recess.

Abstract translation: 一种球阀和制造该球阀的方法，其中由合成树脂形成的球座安装在阀的球中的流动通道的每个端部。 球座的密封端部仅在球的关闭位置接触球的球形表面。 在打开位置，唇缘落在围绕球的流动通道端部的凹槽内。 在打开位置，在凹部的壁表面和唇缘的端部之间形成0.3至0.7mm的间隙。 嘴唇的末端在球的打开位置下降，在凹槽的表面的假想延续内约0.2mm。

公开(公告)号：US4960262A

公开(公告)日：1990-10-02

申请号：US381918

申请日：1989-07-18

Applicant: Mitsuharu Hashimoto ,  Shinji Takeda

Inventor： Mitsuharu Hashimoto ,  Shinji Takeda

IPC: F16K5/06 ,  F16K27/06

CPC classification number: F16K27/067 ,  F16K5/0668 ,  Y10T137/0508 ,  Y10T137/6038

Abstract: A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of the ball seat contacts the spherical surface of the ball only in the closed position of the ball. In the open position, the lip falls within a recess surrounding the end of the flow passage in the ball. A gap of 0.3 to 0.7 mm is formed, in the open position, between the wall surface of the recess and the end of the lip. The end of the lip should fall, in the open position of the ball, about 0.2 mm inside an imaginary continuation of the surface of the ball at the recess.

公开(公告)号：USD297254S

公开(公告)日：1988-08-16

申请号：US749892

申请日：1985-06-28

Applicant: Masayoshi Odate ,  Mitsuharu Hashimoto

Designer： Masayoshi Odate ,  Mitsuharu Hashimoto

公开(公告)号：US4813649A

公开(公告)日：1989-03-21

申请号：US84051

申请日：1987-08-11

Applicant: Shinji Takeda ,  Mitsuharu Hashimoto

Inventor： Shinji Takeda ,  Mitsuharu Hashimoto

IPC: F16K5/06

CPC classification number: F16K5/0678 ,  F16K5/0626 ,  Y10T137/0447 ,  Y10T137/6038 ,  Y10T403/7005

Abstract: A ball valve is provided which comprises a valve body formed from a tubular member with a cylindrical hole extending therethrough, a stem having one end thereof projecting into the hole, and a ball fixed to an end of the stem. The ball has a circular bore extending diametrically therethrough, wherein the ball is spherical in shape with removed chordal segments corresponding to the bore. A seat carrier is inserted in the hole, the seat carrier having one end adjacent the ball, a connecting sleeve contacts the seat carrier at the other end thereof opposite the end adjacent the ball, and a union nut couples the connecting sleeve to the valve body. Diametrically opposed projections are provided on the inner surface of the valve body, the projections extending into the hole, recesses formed on the side of the seat carrier adjacent the one end thereof, and diametrically opposed grooves are formed in the side of the seat carrier adjacent the recesses. The grooves extend in the circumferential direction from the adjacent recesses. When the seat carrier is inserted into the valve body and rotated therein, the projections on the valve body engage the grooves in the seat carrier to thereby hold the seat carrier in the valve body. Further, a flange is formed on the other end of the seat carrier wherein one of the flange and valve body includes at least one projection and the other of the flange and valve body includes at least one cavity. The projection is engaged in the cavity to prevent the rotation of the seat carrier with respect to the valve body.