Class / Patent application number | Description | Number of patent applications / Date published |
285322000 | MOVABLE JAW (E.G., CONTRACTIBLE SOCKET) | 31 |
20090033091 | QUICK CONNECTOR - A quick connector includes a body, a restricting ring and a constrictor. The body has a central through hole for liquid to flow through, a constrictor groove in the central through hole for an O-shaped ring and the constrictor to fit therein, and plural petals on an upper end. The restricting ring has a center hole, an inner circumference and an outer circumference, with an annular wall defined between the inner and the outer circumference. Plural holes are formed in the annular wall, so the petals of the body fit in the holes of the restricting ring to combine with the body. The inner surface of the inner circumference is sloped to restrict the movement of the constrictor. The constrictor has plural elastic petals, which have an inner clamp surface for closely clamping the surface of a plastic tube, and a pointed end for catching or loosening the plastic tube. | 02-05-2009 |
20100096849 | Internal Release Connector and Method - A tubing connection release system. The system includes, a male connector having a profile at one end thereof and receptive to a tubular at the other end thereof, a female connector receptive to a tubular at one end thereof and receptive to the male connector at the other end thereof. The system further includes, a sleeve disposed radially inwardly of the female connector, and a collet having at least one deflectable collet finger disposed radially inwardly of the sleeve. The collet is biased to a position within the female connector whereat the at least one collet finger is supported against radially outward deflection. The collet is further movable by the push-in connector against the bias to a position where the at least one collet finger is radially outwardly unsupported such that the profiled end of the male connector is movable into engagement with the at least one collet finger. | 04-22-2010 |
20100117358 | Reusable Fitting For Tubing - A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers positioned forward of the nut, the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface; a spring positioned within a cavity in the retainers, the spring driving the retainers into the pocket when the fitting is not sealed. | 05-13-2010 |
20110241336 | Leadscrew and Sub-Sea Connector - A leadscrew has first and second housing portions—which slide telescopically together. A shaft having an externally threaded portion screws into a complimentary internal threaded portion in the first housing portion, the shaft extending out of the second housing portion at a point where a fluid tight seal is provided_between the shaft and the other of the housings and allows rotation during a screwing action. The second housing includes a flanged end to which a ROV drive bucket is bolted. The shaft has a squared end so that it can be rotated relative to the bucket by the ROV. O-rings provide fluid tight seals between the two housing portions, between the flanged end and bucket, and between the shaft and bucket. A deep sea version incorporating oil bath the pressure of which is equalised to that of the surrounding sea so that O-rings do not have to withstand large pressure differences. | 10-06-2011 |
20120133128 | CLAMPING SLEEVER AND CLAMP CONNECTION - A clamping stub | 05-31-2012 |
20130026753 | Universal Pipe Coupler - A universal pipe coupler is disclosed. The coupler has a support ring with an outer surface, a plurality of blades arranged into a blade array surrounding the support ring, each blade having a proximal end and a distal end, and a flexible restraining member moveable between an elongated position and a shortened position. Each blade proximal end is pivotally attached to the outer surface of the support ring. Each blade distal end extends radially away from the ring and is moveable between an open position and a closed position. The restraining member is positioned to slidably engage each blade, whereby when the restraining member is in the elongated position, the blades are movable to the open position and when the restraining member is in the shortened position the blades are drawn to the closed position. | 01-31-2013 |
20130099485 | Quick Connect Coupling Having Inverted Guide and Sealing Zones - A coupling device including a tubular body defining a channel having a reception segment for receiving a pipe end, the reception segment being provided with a locking member for locking the pipe end in the reception segment, a sealing member for fitting tightly against an outside surface of the pipe end, a guide for guiding the pipe end in the reception segment, and an abutment for stopping the pipe end being pushed into the reception segment, wherein the sealing member is placed in a groove formed between the abutment and the guide, and the locking member is placed between the guide and an inlet to the reception segment. | 04-25-2013 |
20130257043 | TUBE COUPLINGS - A tube coupling to receive and hold a tube (T) includes a coupling body ( | 10-03-2013 |
20140353965 | PIPE JOINT - To provide a pipe joint with which the construction is made simple and compact, and basic sealing ability and resistance to pipe drawing force are shown, the pipe joint is composed only two parts of a pipe joint main body | 12-04-2014 |
20150028584 | Reusable Fitting For Tubing - A fitting for use with corrugated tubing includes a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; at least one retainer, the retainer having a sealing surface for placement in a valley of the corrugated tubing; a body, the body having a linear body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface at a line seal; and wherein the nut includes a nut surface, the nut surface engaging a retainer surface on the retainer to direct the retainer towards a centerline of the fitting upon engagement of the nut and body. | 01-29-2015 |
20150048614 | LIQUID-TIGHT CONNECTOR - A liquid-tight connector includes a threaded body, a finger/gland assembly within an annular pocket within the body, and a compression nut that engages a first threaded portion of the body. The finger/gland assembly includes a plurality of fingers attached to a sealing gland in an annular, collet-type fashion. The sealing gland and the fingers may be integral with one another. The sealing gland and the fingers may be co-molded with one another. Tightening the compression nut on the threaded body causes the compression nut to engage the fingers of the finger/gland assembly and bias the fingers toward each other. Such biasing causes the fingers to move inward and compress the sealing gland so that it forms a liquid-tight seal around the entire circumference of a cable within the body of the connector. | 02-19-2015 |
20150102598 | CONNECTOR FOR CONNECTING TO A TUBE - A connector having a body | 04-16-2015 |
20150102599 | CONNECTOR - A connector comprising a body ( | 04-16-2015 |
20150377392 | CONNECTION JOINT FOR PIPES TO CONVEY GAS, COMPRESSED AIR AND OTHER FLUIDS - A fluid connection joint to couple tubular pipes intended to convey gas, compressed air and other fluids. The fluid connection joint includes a deformable internal ring having sealing surfaces internally to engage with an outer surface of a first tubular element and frontally to engage with a second tubular element. The deformable internal ring is located within a housing that is coupled to a flange of the second tubular element by fixing screws. The tightening of the fixing screws results in a substantially radial compression of the internal ring and seals around the first tubular element and a second substantially axial compression of the frontal seal against the flange. | 12-31-2015 |
20160138745 | CONNECTOR - A connector comprising a body ( | 05-19-2016 |
20180023734 | PIPE SLEEVE ADAPTER | 01-25-2018 |
285323000 | Wedge bushing | 15 |
20090200797 | PIPE FITTING AND PIPE COUPLING ASSEMBLY EMPLOYING SUCH FITTING - A fitting for fixedly attaching to pipes and the like includes an inner and outer ring being coaxially provided over a pipe. The inner and outer rings are preferably connected by means of a ratchet mechanism allowing for one way advancement there-between. Advancement of the outer ring over the inner ring radially compresses the latter thereby resulting in swaging of the pipe. The radial compression of the pipe results in the fitting being locked in place and prevents axial movement between the fitting and the pipe. Various apparatus are provided for advancing the outer ring over the inner ring. Coupling assemblies are provided utilizing the fittings for forming joints between abutting pipes. | 08-13-2009 |
20090295152 | TUBE COUPLINGS - A tube coupling includes a coupling body ( | 12-03-2009 |
20090309357 | BITE-IN TYPE PIPE JOINT, REFRIGERATING APPARATUS, AND WATER HEATING DEVICE - A bite-in type pipe joint includes a first joint member having an internal thread and a second joint member having an external thread. An annular ferrule is formed integrally with the second joint member. By the time the first and second joint members are fastened to each other, the ferrule separates from the second joint member and bites into a pipe. The second joint member has a cylindrical cover that covers the ferrule. This structure prevents a distal portion and a tapered surface of the ferrule from being damaged when the joint member is handled. A refrigerating apparatus and/or a water heating device can include one or more of the pipe joints. | 12-17-2009 |
20100066080 | DEVICE FOR THE SEALED COUPLING OF TWO CYLINDRICAL PIPES HAVING DIFFERENT DIAMETERS - The invention relates to a device for the sealed coupling of two abutting cylindrical pipes. The device includes a truncated surrounding sleeve and clamping device to reduce the apparent diameter of the sleeve. The surrounding sleeve is cut longitudinally along the center to form a slit having two hollowed-out central wedges, which are joined to the surrounding sleeve by a neck piece. The base of of the sleeve can be deformed in a controlled manner in order to connect pipes having different diameters. Two triangular housings on the opposite side, in which the triangular wedges are housed when the sleeve is clamped to the pipes. | 03-18-2010 |
20100084861 | BITE TYPE PIPE COUPLING, REFRIGERATION DEVICE, AND WATER HEATING DEVICE - In a center portion of the coupling body of a bite type pipe coupling, an insertion port for receiving a connector pipe is formed at an end that faces a coupling member. In the center portion, an insertion port is formed at an end located opposite to the end that faces the coupling member. An apparatus-side pipe is inserted into and brazed to the insertion port. A thin wall portion is formed in an outer circumferential wall portion of the entrance of the insertion port for receiving the apparatus-side pipe. The outer diameter of the thin wall portion is smaller than that of the coupling body. The thin wall portion is formed in a range extending from the entrance of the insertion port to a position that is located closer to the entrance than the inner end of the insertion port and is located in the vicinity of the inner end. | 04-08-2010 |
20110025049 | APPARATUS FOR CONNECTING PIPES - The apparatus | 02-03-2011 |
20110309614 | TUBE COUPLING - A tube coupling includes a body ( | 12-22-2011 |
20120001418 | Connector - A connector comprising a receiver, a nut threadably engageable with the receiver, the nut comprising a nut conical surface, a jaw comprising a bead extending radially inward into a jaw bore, the bead for engaging a pipe groove, the jaw having a conical surface for cooperatively engaging the nut conical surface, and a spring disposed between the receiver and the jaw for urging the jaw conical surface into engagement with the nut conical surface and the jaw bead into engagement with the pipe groove. | 01-05-2012 |
20120104749 | TUBE COUPLING - The present invention relates to a tube coupling for connecting tubes for conveying a fluid. The present invention provides a tube coupling that may confine separation of a collet. The present invention also provides a tube coupling that may prevent plastic deformation of a collet to so that a reliability of the tube coupling is improved and a life span of the tube coupling is guaranteed. The present invention also provides a tube coupling that may interrupt a direct contact between a collet and an O-ring seal so that leakage of a fluid is prevented from occurring due to damage of an O-ring seal and a tube is guided to a center of the O-ring seal and is inserted in the O-ring seal. | 05-03-2012 |
20120235403 | QUICK-FIT CONNECTION - The present invention relates to a quick-fit connection for pipes comprising a body ( | 09-20-2012 |
20120306197 | COLLET FOR QUICK CONNECT TUBE COUPLING AND A MOLD APPARATUS FOR MAKING THE SAME - A collet includes an annular collar and four arms extending from the collar. Each arm has a reduced outer diameter arcuate section, an enlarged outer diameter arcuate section and a tapered arcuate section with a fan-shaped cross section at a distal end. Further, each arm has a first mold witness line presented on a boundary between the enlarged outer diameter arcuate section and the tapered arcuate section. Besides, each of two opposing ones of the four arms has its opposite side surfaces parallel to each other along its reduced outer diameter arcuate section and its enlarged outer diameter arcuate section. Each of the other two opposing ones of the four arms has a second mold witness line presented along its reduced outer diameter arcuate section and its enlarged outer diameter arcuate section and terminating at the intersection with the first mold witness line. | 12-06-2012 |
20120306198 | MECHANICAL-HYDRAULIC SUBJECTION SECTIONED COUPLER, TO SEAL WELLS FOR OIL OR GAS - The present invention relates to a subjection sectioned mechanical-hydraulic coupler to seal oil and gas wells including in association: a flange pistons holder; a support bracket attached to the flange pistons holder; a plurality of pistons housed inside the flange pistons holder, the pistons act on a washer plate housed inside the support bracket when a hydraulic fluid is injected through the flange pistons holder; and a tightening crown located inside the support bracket, the tightening crown located under the washer plate, wherein the tightening crown slides down over inside walls of the support bracket when it is pushed by the washer plate. | 12-06-2012 |
20130093184 | TOOL FOR COUPLING FLUID LINES - A swage or coupling tool is provided for use in coupling a fluid line to a compression fitting, a fluid coupler, or the like. The swage tool provides multiple degrees of freedom and/or multiple pivots or pivot joints to facilitate and maintain alignment of the jaws with the compression fitting during use of the swage tool to facilitate properly-aligned assembly of the compression fitting, and to limit bending or kinking of the fluid line when the fitting is being attached. The swage tool includes a pair of movable jaws, which may have stepped or rounded engagement surfaces, which may be forced against corresponding engagement surfaces of the compression fitting to securely assemble the fitting to the fluid line. The shape of the engagement surfaces facilitates properly-aligned assembly of the compression fitting, and limits bending or kinking of the fluid line when the fitting is being attached. | 04-18-2013 |
20130140813 | SLIDE ACTUATING TUBULAR CONNECTOR - A subsea riser assembly connects two tubular members with axial movement of an outer sleeve. The assembly includes a first tubular member having an end, and a second tubular member having an end with a plurality of box end fingers separated by slots, the second tubular member coaxial with the first tubular member. The end of the first tubular member is inserted into the end of the second tubular member. An outer sleeve having an inner diameter that engages an outer diameter of each box end finger. Axial movement of the outer sleeve relative to the box end fingers causes the inner diameter of the outer sleeve to interact with the outer diameter of the box end fingers, thereby causing the box end fingers to contract radially. The radial contraction of the box end fingers secures the first tubular member to the second tubular member in a made-up position. | 06-06-2013 |
20140319825 | Battery Water Replenishment System and Method of Installation - The present invention relates to a system and method for coupling a conduit to a valve. The valve includes at least one coupling, wherein the coupling includes inlet leading to an internal chamber of the valve, a collar positioned within the inlet, a gripper positioned partially within the inlet and in contact with at least a portion of the collar, and a wiper seal positioned within the internal chamber. The system further includes a conduit, wherein the conduit is insertable through the gripper via a first force, and wherein the conduit is subsequently insertable through the wiper seal via a second force that is less than the value of the first force. The conduit may optionally be labeled with a set of visual markings to provide proper cutting angles and to indication proper positioning of the conduit into the valve to effectuate a tight seal. | 10-30-2014 |