An axial swaged fitting for permanently joining to a tube to achieve an elastic strain preload condition comprises an annular body including a detent step. An annular driver includes a driver detent feature. The driver is configured for selective distal sliding motion with respect to the tube and body to bring the driver detent feature into selective engagement with the detent step at least partially via elastic deformation of the driver detent feature. At least one swage ring is laterally interposed between the tube and the driver. The driver selectively exerts a predetermined compression force laterally inward toward the tube to urge the at least one swage ring into a sealing contact with the tube and responsively place the tube into the elastic strain preload condition. The driver detent feature concurrently engages the detent step to resist proximal motion of the driver with respect to the body.

A coupling between lead and extension pile segments of a driven piling. The extension segment has a formed end, an opposite driven end and a body extending therebetween. The formed end has an inner diameter equal to an outer diameter of an exposed end of the lead segment and greater than an outer diameter of the extension segment's body. The formed end has an initial length prior to coupling the extension and lead segments; the formed end undergoes secondary end forming when a driving force is applied, such that the formed end has a final length exceeding the initial length after the extension and lead segments are coupled. In some embodiments, the extension segment has an external ring portion positioned upstream of the formed end, and the exposed end of the lead segment is cold extruded into and through the external ring portion of the extension segment.

A connection socket for a tubular connection that includes: a socket cup having a metal alloy composition and a sealing portion, the sealing portion comprises a primary and a secondary sealing recess; a primary seal positioned within the primary sealing recess, the primary seal comprising an elastomeric material having a service temperature, and a secondary seal positioned within the secondary sealing recess, the secondary seal comprising a metal composition. Further, the secondary seal has a melting temperature at or above the service temperature of the primary seal.

A pipe and fitting coupling system includes a first pipe, a second pipe, and a joint. A receiving end of the second pipe includes a first flange, a second flange, a groove, and a sealant. The second flange extends further than the first flange. The groove is disposed at the pipe diameter and between the first flange and the second flange. The first flange has an inwardly angled face to meet the groove and the second flange has an outwardly angled face to meet the groove. The sealant is disposed in the groove to seal the plain end of the first pipe in the receiving end. The joint is formed by the cooperative alignment of the plain end being inserted into the receiving end and being sealed by the sealant.

A pipe and fitting coupling system includes a first pipe, a second pipe, and a joint. A receiving end of the second pipe includes a first flange, a second flange, a groove, and a sealant. The second flange extends further than the first flange. The groove is disposed at the pipe diameter and between the first flange and the second flange. The first flange has an inwardly angled face to meet the groove and the second flange has an outwardly angled face to meet the groove. The sealant is disposed in the groove to seal the plain end of the first pipe in the receiving end. The joint is formed by the cooperative alignment of the plain end being inserted into the receiving end and being sealed by the sealant.

A fluid connector comprising a body having a through-bore, a plurality of radially inwardly facing surfaces comprising a first cylindrical surface having a first diameter, a frusto-conical surface adjacent the first cylindrical surface, and a second cylindrical surface adjacent the frusto-conical surface, the second cylindrical surface having a second diameter, wherein the frusto-conical surface is arranged between the first and second cylindrical surfaces, and a plurality of outwardly facing surfaces comprising a first cylindrical surface having a first diameter, and a second cylindrical surface adjacent the first cylindrical surface, the second cylindrical surface having a second diameter, and a deformable tab integrally connected to the body and extending axially from the body.

A conduit connecting ferrule (10) comprising a tubular structure having a first end (12) and a second end (14) in fluid communication with one another. The first end is provided with at least one inwardly directed protrusion (16) extending from the internal wall of the tubular structure into the inside of the ferrule and the second end is provided with at least one inwardly directed protrusion extending from the internal wall of the tubular structure wall into the inside of the ferrule, A method of connecting pipes (20, 22) using such a ferrule is also disclosed.

Provided are a mechanical tube fitting for preventing bending fracture of a tube member to be joined when subjected to bending deformation, and a simple tube fitting structure including that tube fitting. In the tube fitting, a clearance between a tube member (32) to be joined and an outer pipe (12) or an inner pipe (14) which is coaxially inserted in the outer pipe (12) and gives a space between its outer surface and the inner surface of the outer pipe (12), in which space the tube member (32) is inserted, is sealed with a sealing member disposed between the outer pipe (12) and the inner pipe (14), and the above-mentioned components are fixed by caulking. The outer pipe (12) is configured to extend outwardly in its axial direction than the ends of the inner pipe (14).

A fluid control assembly includes a body having a female threaded end port, and an end adapter including a male threaded end screw threadably assembled with the female threaded end port, an end connector, and an internal passage extending from the end connector to the end screw. One of the body and the end adapter includes at least one outer peripheral recess, and the other of the body and the end adapter includes a peripheral flange. A portion of the peripheral flange in circumferential alignment with the at least one recess is deformed into interlocking engagement with the at least one recess to rotationally secure the end adapter with respect to the body.

A kit and a related method for connecting pipes, comprising: including: a tubular fitting having at least one access end for an end portion of a respective pipe to be connected; said access end of the fitting having at least one fluid-sealing gasket interposed between an inner surface of the fitting and an outer surface of the pipe; and a pressing tool configured to implement a radial plastic deformation action on the access end defining a stable coupling condition between said fitting and the respective pipe; the pressing tool comprising including at least one tooth extending radially with respect to the circumferential extension of the fitting and the pipe; said access end of the fitting comprising including at least one radial projection formed as a result of the plastic deformation action, said projection being at least partially inserted in the outer surface of said pipe.