Abstract: Provided is a flow rate adjustment device including: a valve body portion configured to be movable along an axis line; a body portion having a valve bore and an upstream-side fluid chamber formed therein, the valve body portion being inserted into the valve bore, the upstream-side fluid chamber being configured to circulate a fluid; and a thin film-like first diaphragm portion which is coupled to the valve body portion and configured to isolate the upstream-side fluid chamber from a spring accommodation chamber adjacent to the upstream-side fluid chamber. The first diaphragm portion is formed of a conductive fluororesin material including a fluororesin material and carbon nanotubes dispersed in the fluororesin material, and the conductive fluororesin material has a volume resistivity of more than 1.0×103 ?·cm and less than 1.0×104 ?·cm.

Abstract: Provided is a connector including a plug and a socket. The socket includes: a socket body in which a second liquid outflow passage and a second liquid inflow passage are formed; a ball lock mechanism that is attached to the socket body and fixes the socket body to a key ring; and a switching mechanism that switches an open state and a closed state of a rotary valve. The switching mechanism includes an opening/closing arm that regulates releasing of the fixation of the socket body to the key ring by the ball lock mechanism in the open state.

Abstract: A connector including a plug and a socket. The socket includes: a socket body having an insertion hole formed therein; a columnar rotary valve inserted into the insertion hole; and a switching mechanism for switching an open state and a closed state. The rotary valve includes a pair of convex portions respectively in contact with both ends of the insertion hole to seal an outflow of a liquid; and a concave portion provided between the pair of convex portions and forming a cleaning space) in which a cleaning fluid is circulated between the concave portion and an inner peripheral surface of the insertion hole. The socket body includes a cleaning fluid inflow passage for guiding the cleaning fluid to the cleaning space and a cleaning fluid outflow passage through which the cleaning fluid flows out of the cleaning space.

Abstract: Provided is a pressure detection device including a pressure detection unit configured to detect a pressure to be transmitted to a pressure sensor, and a flow channel unit on which the pressure detection unit is disposed. The pressure detection unit) includes a pressure sensor and a conductive protective film disposed in contact with the pressure sensor, the conductive protective film breaking contact between the pressure sensor and a fluid. The conductive protective film is formed of a conductive fluororesin material including a fluororesin material and a conductive material dispersed in the fluororesin material and is connected to a ground portion maintained at a ground potential.

Abstract: Provided is a connector including: a plug to be attached to an opening of a liquid storing container and attached to an inner peripheral surface of the opening; a key ring to be attached to an outer peripheral surface of the opening extending along an axial line and including a key hole portion disposed at an outside of the outer peripheral surface with respect to the axial line; and a socket to be detachably attached to the plug and including a key rod portion to be engaged with the key hole portion. The plug and the socket are coupled together in a state where the key hole portion and the key rod portion are engaged with each other.

Abstract: There is provided a shut-off valve including: a valve body part having a valve body surface; a valve seat part provided around an inlet, and having a valve seat surface disposed at a position opposite to the valve body surface; and a moving mechanism that is connected to the valve body part, and moves the valve body part in a direction of an axis to switch to either a shut-off state or a circulation state, wherein the valve seat part has an endless inner peripheral side projection and an endless outer peripheral side projection that project from the valve seat surface toward the valve body surface along the axis, and the valve body part has a diaphragm forming the valve body surface, and an elastic member disposed on a back surface of the diaphragm.

Abstract: Either the base part or the coupling part includes a first coupling member which is substantially circular in cross-section in a radial direction perpendicular to the central axis and has a diameter of a first length, while the other of the base part and the coupling part includes a first holding member which, with its inner circumferential surface having a substantially circular shape in cross-section in the radial direction, holds the first coupling member so as to surround its outer circumferential surface. The inner circumferential surface of the first holding member is partially opened in the radial direction, and an opening width of an opening part of the first holding member, which is elastically deformable, is narrower than the first length.

Abstract: Provided is a pressure sensor for detecting the pressure of liquid flowing in a main flow path, including: an introduction flow path to which liquid is introduced from the main flow path; a pressure detection element having a pressure receiving surface and for detecting the pressure of liquid received by the pressure receiving surface in the introduction flow path; a diaphragm provided in a downstream-side end part of the introduction flow path and for transferring the pressure of the liquid to the pressure receiving surface while isolating a contact between the liquid in the introduction flow path and the pressure receiving surface; and a leak sensor for detecting a leakage of liquid into an internal space in communication with the pressure receiving surface.

Abstract: Provided is a connector including a plug to be fixed to an inner peripheral surface of an opening of a liquid storing container, and a socket to be detachably attached to the plug. The plug includes a plug body in which a first liquid outflow passage, a first liquid inflow passage, and a first gas passage are formed. The socket includes a socket body including, formed therein, a second liquid outflow passage, a second liquid inflow passage), and a second gas passage; a rotary valve having an outflow through-hole and an inflow through-hole; and a switching mechanism for switching between an open state and a closed state when the rotary valve is rotated.

Abstract: Provided is a connector including a plug to be fixed to an inner peripheral surface of an opening of a liquid storing container, and a socket to be detachably attached to the plug. The plug includes a plug body including, formed therein, a first liquid outflow passage, a first liquid inflow passage, and a first gas passage. The socket includes: a socket body including, formed therein, a second liquid outflow passage, a second liquid inflow passage, and a second gas passage; and a ball lock mechanism that allows lock balls to be engaged with engagement grooves formed along a circumferential direction about an axial line in an outer peripheral surface of the opening of the liquid storing container and fixes the lock balls to the engagement grooves.

Abstract: There is provided a flow rate adjustment apparatus including a main body inside which a fluid flow passage that guides a fluid has been formed, in which the main body is formed of a conductive fluorine resin material containing a fluorine resin material, and a carbon nanotube dispersed in the fluorine resin material, and in which a volume resistivity of the conductive fluorine resin material is more than 1.0×103 ?·cm and less than 1.0×104 ?·cm.

Abstract: Provided is a coupling device including a cylindrical housing portion, a valve portion that turns into an open state by contact with the plug device, a bellows portion having therein an expandable and contractible supply passage for supplying incompressible fluid from the plug device to a supply tube, a moving portion being movable to be brought into contact with or distanced from the plug device fitted inside one end side of the housing portion, a first pressure chamber generating a biasing force in a direction to distance the moving portion from the plug device and contract the bellows portion, and a safety valve for discharging the incompressible fluid within the supply passage to the outside when the incompressible fluid within the supply passage reaches or exceeds a predetermined level.

Abstract: To improve connectivity with tubes to be connected to an inlet and an outlet of a flow passage, while increasing the rapidity of an operation of changing a fluid to be passed through the flow passage and also increasing the safety. Provided is a pressure detecting device including a pressure detecting unit detecting a pressure transmitted to a diaphragm, a flow passage unit having a diaphragm for transmitting a pressure of a fluid flowing through the flow passage to the diaphragm, and a nut for removably mounting the flow passage unit onto the pressure detecting unit. The nut mounts the flow passage unit onto the pressure detecting unit when a position of a positioning groove of the pressure detecting unit about an axis coincides with a position of a positioning projection of the flow passage unit about an axis.

Abstract: The valve-integrating container includes a container body and a valve mechanism switching whether a liquid stored in the container body is allowed to flow out. The valve mechanism has a spring, a spring supporting part, and a valve plug. The spring supporting part has a liquid flow channel formed in a cylindrical shape extending along the axis, a lower end portion mounted to an internal threads of a reduced-diameter portion, an upper end portion projecting toward the enlarged-diameter portion, and a guide groove formed on a lower end side outer circumferential surface for guiding a liquid stored in a connecting portion downwardly. The valve plug has on its outer circumferential surface a guide groove guiding the liquid guided by the guide groove downwardly to an opening portion.

Abstract: Provided is a flow regulating apparatus 100 including a flow regulating mechanism including: a flow regulation knob 3; a screw rod 10 that adjusts an insertion amount of a diaphragm needle 5 into a valve hole 32; and a spring roll pin 13 that is fixed to the flow regulation knob 3, wherein the screw rod 10 includes a first male threaded portion that is fastened to a female threaded portion 9a formed on an inner circumferential surface of a cover section 9, and a through hole 10d penetrating in the direction substantially perpendicular to the center axis C and having a predetermined width in the direction of the center axis C, and the spring roll pin 13 is inserted into the through hole 10d.

Abstract: Provided is a liquid withdrawing system in which a plug attached to an opening portion of an inner container includes a cylindrical contact portion, an engaging claw connected to a lower end of the cylindrical contact portion, a cylindrical guide portion connected to a lower end of the engaging claw, a siphon tube and a flow channel portion having a liquid flow channel and a gas flow channel, and in the liquid withdrawing system, a second length in an axis direction from a lower end of the cylindrical guide portion to a distal end of the siphon tube is shorter than a first length in an axis direction from an upper end of the opening portion to the bottom surface of the inner container, and a third length in the axis direction from the engaging claw to the distal end of the siphon tube is longer than the first length.

Abstract: The valve-integrating container includes a container body and a valve mechanism switching whether a liquid stored in the container body is allowed to flow out. The valve mechanism has a spring, a spring supporting part, and a valve plug. The spring supporting part has a liquid flow channel formed, in a cylindrical shape extending along the axis, a lower end portion mounted to an internal threads of a reduced-diameter portion, an upper end portion projecting toward the enlarged-diameter portion, and a guide groove formed on a lower end side outer circumferential surface for guiding a liquid stored in a connecting portion downwardly. The valve plug has on its outer circumferential surface a guide groove guiding the liquid guided by the guide groove downwardly to an opening portion.

Abstract: The plug-integrating container includes a container body having an opening part having external threads formed on its outer circumferential surface, a plug having a locking groove for connection to a socket, and a cap having formed on its inner circumferential surface internal threads fastened to the external threads. In the plug-integrating container, the container body has an open end formed at an axis directional end of the opening part, the plug has an annular part formed at an axis directional end and having the same diameter as that of the open end, the open end and the annular part are joined together by welding as they are butted against each other, and the opening part and the plug are accommodated inside the cap when the external threads and the internal threads are fastened together.

Abstract: There is provided a shut-off valve including: a valve body part having a valve body surface; a valve seat part provided around an inlet, and having a valve seat surface disposed at a position opposite to the valve body surface; and a moving mechanism that is connected to the valve body part, and moves the valve body part in a direction of an axis to switch to either a shut-off state or a circulation state, wherein the valve seat part has an endless inner peripheral side projection and an endless outer peripheral side projection that project from the valve seat surface toward the valve body surface along the axis, and the valve body part has a diaphragm forming the valve body surface, and an elastic member disposed on a back surface of the diaphragm.