A rotary joint which supplies and discharges a liquid to and from a container which is revolved around a rotation axis, the rotary joint includes: a shaft body which is immovably provided; a tube body into which the shaft body is inserted and which is rotated around the shaft body; a shaft-side supply flow path; a shaft-side discharge flow path; a tube-side supply flow path; a tube-side discharge flow path; a supply communication flow path; and a discharge communication flow path, the tube-side supply flow path is inclined, and the tube-side discharge flow path is inclined.

A rotary joint which supplies and discharges a liquid to and from a container which is revolved around a rotation axis, the rotary joint includes: a shaft body which is immovably provided; a tube body into which the shaft body is inserted and which is rotated around the shaft body; a shaft-side supply flow path; a shaft-side discharge flow path; a tube-side supply flow path; a tube-side discharge flow path; a supply communication flow path; and a discharge communication flow path, the tube-side supply flow path is inclined, and the tube-side discharge flow path is inclined.

A swivel assembly including a swivel bolt and housing is disclosed. The swivel bolt may include a first portion, a second portion, and a body portion connecting the first portion and second portion. The second portion may include a transverse channel. The housing may be configured to receive at least a portion of the second portion of the bolt and the housing may include an annular channel operatively aligned with the transverse channel of the swivel bolt. A swivel bolt may be formed as a single piece and/or may be formed using additive manufacturing technology. In embodiments, a swivel bolt may include a fluid passage having a bend with shaped or contoured inner and outer surfaces.

A swivel assembly including a swivel bolt and housing is disclosed. The swivel bolt may include a first portion, a second portion, and a body portion connecting the first portion and second portion. The second portion may include a transverse channel. The housing may be configured to receive at least a portion of the second portion of the bolt and the housing may include an annular channel operatively aligned with the transverse channel of the swivel bolt. A swivel bolt may be formed as a single piece and/or may be formed using additive manufacturing technology. In embodiments, a swivel bolt may include a fluid passage having a bend with shaped or contoured inner and outer surfaces.

An offset-alignment pivotable high-pressure coupler fitting for use to demountably and sealingly engage two misaligned high-pressure fluid lines. The coupler fitting comprises: (i) a female part having a bore therethrough with one end configured for sealing demountable engagement with an end of a first high-pressure fluid line and the other end having a symmetrical spherical recess, (ii) a male part having a bore therethrough with one end configured for sealing demountable engagement with an end of a second high-pressure fluid line and the other end having a symmetrical spherical protrusion that matches and is slidingly communicable with the spherical recess in the female part, and (iii) demountable engagement means configured for demountable and sealing engagement of the symmetrical spherical recess of the female part and the symmetrical spherical protrusion of the male part.

An offset-alignment pivotable high-pressure coupler fitting for use to demountably and sealingly engage two misaligned high-pressure fluid lines. The coupler fitting comprises: (i) a female part having a bore therethrough with one end configured for sealing demountable engagement with an end of a first high-pressure fluid line and the other end having a symmetrical spherical recess, (ii) a male part having a bore therethrough with one end configured for sealing demountable engagement with an end of a second high-pressure fluid line and the other end having a symmetrical spherical protrusion that matches and is slidingly communicable with the spherical recess in the female part, and (iii) demountable engagement means configured for demountable and sealing engagement of the symmetrical spherical recess of the female part and the symmetrical spherical protrusion of the male part.

A water delivery device includes a first conduit section and a second conduit section rotatably coupled to the first conduit section by a magnetic joint. The magnetic joint includes a plurality of magnets that cooperatively define a plurality of rotational positions between the first conduit 5 section and the second conduit section.

A seal member includes: an inner circumferential surface surrounding a central axis; an upper surface connected to one end of the inner circumferential surface in an axial direction of the central axis; a lower surface connected to another end of the inner circumferential surface in the axial direction; and a protrusion that is provided continuously to the inner circumferential surface so as to surround the central axis and that includes a first portion inclined to the upper surface side toward one side in a circumferential direction of the central axis and a second portion inclined to the lower surface side toward the one side in the circumferential direction.

A seal member includes: an inner circumferential surface surrounding a central axis; an upper surface connected to one end of the inner circumferential surface in an axial direction of the central axis; a lower surface connected to another end of the inner circumferential surface in the axial direction; and a protrusion that is provided continuously to the inner circumferential surface so as to surround the central axis and that includes a first portion inclined to the upper surface side toward one side in a circumferential direction of the central axis and a second portion inclined to the lower surface side toward the one side in the circumferential direction.

Provided is a substrate processing apparatus that includes: a rotary joint including a rotary unit that rotates together with the rotation of the head unit, a fixing unit that is provided around the rotary unit, and a sealing unit that seals a gap between the rotary unit and the fixing unit; and an outlet pipe through which the quenching water is discharged. A first flow passage through which a gas passes and a second flow passage through which the quenching water passes are formed in the rotary joint, and the second flow passage is isolated from the first flow passage by the sealing unit. One end of the outlet pipe communicates with an outlet port of the second flow passage of the rotary joint, and the other end of the outlet pipe is opened to atmosphere at a position lower than the outlet port of the second flow passage.