A tube coupling for coupling a first tube and a second tube. The tube coupling includes an inner shroud including a ball portion and an outer shroud including a socket portion. The socket portion receives the ball portion. The tube coupling includes a compressive ring configured to elastically compress the outer shroud onto the inner shroud. The ball portion and the socket portion form a ball and socket joint. The ball and socket joint allows relative angular movement and relative axial movement between the inner shroud and the outer shroud.

A sliding sleeve for axially sliding onto an expanded end of an all-plastic pipe or a plastic composite pipe, into which is slid a support body having circumferential external ribs of an connecting element is made of an elastically-deformable polymeric material. The internal surface of the sliding sleeve has an average roughness value R.sub.a in a range starting from 1 μm to half of the average wall thickness of the sliding sleeve. In another embodiment, the inner surface of the sliding sleeve has a plurality of macroscopic irregularities, the depth of which does not exceed half of the average wall thickness of the sliding sleeve.

Techniques for implementing and/or operating a system that includes a pipe fitting and a swage machine. The swage machine includes a grab plate having a grab tab that matingly interlocks with a grab notch on the pipe fitting to facilitate securing the swage machine to the pipe fitting and a die plate having a die seat that enables a set of die segments to be used to conformally deform the pipe fitting around the tubing of the pipe segment to be loaded in the swage machine. The die plate and the grab plate include a base plate section, a hinge plate secured to the base plate section via a hinge fastener such that the hinge plate directly abuts the base plate section, and a pivotable plate section secured to the hinge plate via a hinge fastener such that the hinge plate directly abuts the pivotable plate section.

A coupling for attaching to an end of a tube, pipe, conduit or other round solid or hollow section. The coupling includes an inner body and a collar to be provided around the inner body. The inner body has an interior bore passing through at least a portion thereof to receive a tube and the bore has one or more interior annular protuberances extending into the bore. When the collar is provided around the inner body it applies a circumferential compressive force to deform the inner body such that the one or more annular protuberances engage the tube to seal with it.

A fitting (3, 3′) for connecting to a tubular element (5, 5′) having a first end section (9, 9′) comprising at least one first connection element (21, 21′), wherein the diameter of at least a part of the first connection element (21, 21′) can be reduced in a radial direction in order to produce a connection, wherein the first connection element (21, 21′) comprises at least one first hook element (21, 21′) and/or at least one first crimp (237, 437) configured to be connected in force-fit and/or form-fit manner to at least one second crimp (7, 7′) and/or at least one second hook element (235) formed on the outer surface of the tubular element, when the diameter of at least a part of the first connection element (21, 21′) is reduced, as well as a tubing connection and a method for connecting a fitting to a tubular element.

The invention relates to a coupling which includes at least: a tubular coupling member suitable for receiving a pipe and comprising one or more annular ribs, and a crimping ring arranged on the coupling member and translatably movable between a position for inserting the pipe into the coupling member, and a crimping position, in which the crimping ring immobilizes the pipe relative to the coupling member after the deformation of the one or more ribs. Recesses are formed between the coupling member and the pipe in the crimping position. The coupling has at least one exhaust opening arranged such as to provide fluid communication between said at least one recess and the outside of the coupling.

A preassembly for a conduit fitting includes an annular fitting component and a conduit gripping device. The annular fitting component has an interior wall extending along a central axis from an inboard end to an outboard end. The interior wall includes an inboard surface having a first diameter, an outboard surface having a second diameter smaller than the first diameter, and an intermediate surface recessed from the inboard surface by an outward facing inboard radial wall and recessed from the outboard surface by an inward facing outboard radial wall. The conduit gripping device is retained within the annular fitting component and includes a projection extending radially outward of an outer circumferential surface of the conduit gripping device, and axially toward an inboard end of the conduit gripping device, with an end portion of the projection being axially captured between the inboard radial wall and the outboard radial wall.

A shield assembly for logging tool sensors includes a single piece cylindrical shield and first and second cylindrical end clamps deployed about opposing axial ends of the cylindrical shield. The cylindrical shield is deployed about a logging sensor disposed on a logging tool collar. At least one of the first and second end clamps includes one or more keys for engaging a corresponding slot in the shield and a corresponding pocket in an outer surface of the tool collar. Engagement of the key with the corresponding slot and the corresponding pocket is operative to prevent relative rotational and relative axial motion between the cylindrical shield, the first and second end clamps, and the tool collar.

A sealed sleeve installed at an insertion coupling portion in a state in which a first pipe and a second pipe are insertion coupled to each other in order to seal couple the first pipe having a first outer diameter and a first inner diameter and the second pipe having a second outer diameter and a second inner diameter larger than the first outer diameter includes: a pillar shaped-main body having a main body central shaft; a through-hole formed using the main body central shaft as a central shaft on the main body and having an inlet as a second pipe side opening in an installation state and an outlet as a first pipe side opening in an installation state, wherein in the through-hole, a pressing portion that applies a sealing pressure to the insertion coupling portion is formed in a portion of an inner wall, and an inner diameter of the pressing portion is smaller than the second outer diameter.

A connector for use with a dialyzer to connect a conduit from a dialyzer with a conduit from a dialysate source. The connector includes a sleeve (female component) and a collet (male component). The sleeve has a generally cylindrical shape with an opening at one end having a circular shape with at least one slot positioned along the periphery of the circular shape. The sleeve also includes at least one flexible finger having a barb at a free end. The collet is configured to be housed within an interior chamber of the sleeve and has first and second gaps to house the barbs and first and second deflectable flanges to lock into recesses in a conduit.