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| Number | Title | Issue Date |
| 4386638 | Coupling for waterbed mattress valves A coupling for filling and draining a waterbed comprises a tube for insertion into the male-threaded filler neck of a waterbed valve, and two female-threaded nuts rotatably mounted on the tube for connection to a garden hose and the male-threaded fill nec... | 06/07/1983 |
| 4376873 | Cable gland for use with unarmored electrical cables A flame-proof cable gland for use with an unarmored electrical cable having a sheath providing a tensile strength and wherein a flame-proofing seal and a clamping ring are provided for co-operation with the outer surface of an electrical cable passing the... | 03/15/1983 |
| 4353580 | Apparatus for removably attaching a pipe An apparatus for removably attaching a pipe to a vessel wall having a short tubular body with the inner end adapted to be attached to a vessel wall to provide communication with an opening in the vessel, the outer end of the body having external threads a... | 10/12/1982 |
| 4346923 | Apparatus for joining tubing A leak-tight noncontaminative joint connecting a section of titanium, tantalum, zirconium or stainless steel tubing with second section of titanium, tantalum, zirconium or stainless steel tubing of a larger diameter is formed by placing a compressible O-r... | 08/31/1982 |
| 4335907 | Meter connection apparatus Meter connection apparatus including a generally semicircular conduit portion with substantially parallel straight conduit portions extending from the ends of the semicircular conduit portion, the semicircular conduit portion having a radius which is a pl... | 06/22/1982 |
| 4324423 | Tubular fitment A tubular fitment capable of establishing a fluid tight passage defining a connection between first and second confined space defining means, with the tubular fitting when in a first condition permitting the second confined space defining means and a seco... | 04/13/1982 |
| 4324424 | Slip-type conduit hub for enclosures An assembly for connecting a tubular conduit to an apertured wall of a non-metallic enclosure including a tubular insert seated in the aperture and a threaded, rotatable, hollow hub member arranged to be received by an externally projecting portion of the... | 04/13/1982 |
| 4316624 | Access union An access union is disclosed which is especially useful for installation on containers for fluids to permit access thereto. The invention is also concerned with containers for fluids having the access union of the invention installed thereon. When install... | 02/23/1982 |
| 4316316 | Shipping assembly for a hydraulic jack A shipping assembly for a hydraulic jack in which the cylinder of the jack is shipped in sections. First and second shipping caps are fastened to predetermined ends of the cylinder sections during shipment, with the first shipping cap utilizing certain of... | 02/23/1982 |
| 4316870 | Plastic tube, coupling, and method of forming same Plastic tubing of extruded polybutylene is provided with an integrally formed end cap or bulb to facilitate the joining of the tube to fixtures, unions, couplings or the like. The end cap or bulb is formed from the tube wall to form a structural bulb and ... | 02/23/1982 |
| 4296950 | Corrosion resistant pipe joint Pipe joint components such as a metallic sleeve and companion nut of a compression-type pipe coupling are externally coated with a corrosion-resistant polymeric plastic. In a preferred embodiment the coating on the female of the components extends as a fl... | 10/27/1981 |
| 4291903 | Connector for tubing A connector is described for joining tubes together, particularly plastics tubing as used in laboratories and the like. The connector comprises a first member having a barb-like projection through which the tube can be pushed but cannot be pulled in the revers... | 09/29/1981 |
| 4278276 | Device for a coupling unit having connectable and disconnectable parts In a coupling unit having first and second parts connectable and disconnectable with each other, the second part is provided with an outer ring-shaped groove which extends through the wall of the second part along the circumference. The first part has a c... | 07/14/1981 |
| 4269437 | Jointing of pipes A joint for jointing the ends of two pipes, particularly lined pipes, in which a radial resilient portion extends between the two ends of the pipes, two oppositely extending axial portions at the radial inner part of the radial portion each engage within ... | 05/26/1981 |
| 4266815 | Connectors A connector for medico-surgical tubing has a plastics body with a male Luer tapered forward portion that is shaped for engagement with a coupling member having a cooperating Luer tapered bore. The body has a rear portion of prismatic shape and square cros... | 05/12/1981 |
| 4258944 | Split slip nut and seal assembly for plumbing trap For a plumbing trap, such as under a sink or other similar installations, a split slip nut and seal assembly for joining two tubular members such as pipes or tubes one within the other; wherein a split seal is inserted between the tubes laterally and then... | 03/31/1981 |
| 4250800 | Outlet tube for air conditioning systems Air outlet tubes for air conditioning systems are subdivided into a plurality of tube portions which are provided with corresponding positive and negative coupling elements at either end. The tube portions are of different form and length so that complete... | 02/17/1981 |
| 4247135 | Hydraulic coupling device A coupling device is provided for connection to a plurality of hydraulic conduits which are bunched together to form a multi-core duct. The coupling device has a casing which houses a plurality of plug pins, the plug pins each being connectible to a respe... | 01/27/1981 |
| 4235461 | Coupling between mechanical elements A coupling, arranged to form a frictional joint between two mechanical elements, comprising of a tubular contact member, arranged to take up a non-deformative frictional contact with an element to be attached by means of a first peripherical surface when ... | 11/25/1980 |
| 4226164 | Split threaded coupling nut A pair of first and second coextensive generally semicylindrical nut halves are provided and include exterior surface portions engageable by hand or tools to facilitate turning of the halves, together, as a unitary nut. The nut halves include coextensivel... | 10/07/1980 |
| 4221228 | Piece part washer An industrial piece-part washer includes a plurality of risers depending from overhead liquid supply headers. Each riser is formed as a continuous length of pipe, along which nozzles are positioned to direct wash liquid to contact the articles to be washe... | 09/09/1980 |
| 4221408 | Pipe swivel joint with optional static seal A swivel joint for incorporation in a pipe network maintains flow path integrity at the joint for both swivel and rigid connection modes. A butt flange and a connector body having aligned flow paths therethrough are coupled together by a bearing which pro... | 09/09/1980 |
| 4219226 | Cylinder joint A cylinder joint for joining two vertically oriented cylinder sections, which aligns the cylinders and supports the weight of the upper cylinder section on the upper end of the lower cylinder section. A split ring and locking collar assembly maintain the ... | 08/26/1980 |
| 4211439 | Safety device for hose connections A special safety device prevents two fluid lines from being connected if the fluid in the first line can not be safely received by the second line. The danger of connecting the two lines may be, for example, because the fluid carried by the first line pre... | 07/08/1980 |
| 4209193 | Rigid connector for large diameter pipe A stab type connector for large diameter pipe has a pin structure and a box structure held in interconnected relation by a locking and loading ring between a circumferential shoulder in the pin structure and a circumferential shoulder on a threaded lockin... | 06/24/1980 |
| 4165106 | Hose or pipe coupling A quick disconnect coupling for high pressure hoses or pipes of various diameters features safety, ease and convenience of assembly and disassembly and simplicity of construction. The coupling is a separate assembly from the hose or pipe with which it is ... | 08/21/1979 |
| 4165110 | Plumbing device A process and device for connecting a sink tailpiece to a trap out of alignment therewith. The device has an upper section, a lower rigid section capable of being cut with a hacksaw, and a flexible pleated section.... | 08/21/1979 |
| 4150250 | Strain relief fitting In many assemblies it is desirable to provide a strain relief device to grip an electric cord to prevent longitudinal motion of the cord, with respect to the strain relief device. The disclosed strain relief member surrounds the electric cord and is enclo... | 04/17/1979 |
| 4145075 | Clamping device for cables, leads, hoses or the like An anchoring or clamping device for cables, hoses and the like. The device has a hollow cylindrical socket portion for receiving the cable to be clamped, which socket portion has clamping tongues at one of its ends. A screw-threaded member is adapted to f... | 03/20/1979 |
| 4126338 | Threaded coupling A threaded coupling in which the connecting threads are carried on a replaceable sleeve which snap locks onto the end of the primary member such that the thread unit may easily be assembled on or removed from the primary member and replaced when worn or d... | 11/21/1978 |
| 4124230 | Rigid pipe connector with locking screws and method of making the same A pipe connector has a pin initially stabbed into a box, the pin and box then being axially loaded together at confronting transverse surfaces while the pin and box are pressurized to expand the box and compress the pin, so that when the pressure is relie... | 11/07/1978 |
| 4119295 | Seal for LP gas cylinder valve An O-ring seal for installation in an LP gas cylinder valve with a method and tool for installing the seal in the valve. The LP gas valve includes an outlet passage opening into a chamber within the main body of the valve which in turn is connected to a p... | 10/10/1978 |
| 4105226 | Snap-in fittings and coupling ring therefor A snap-in fitting includes male and female connector elements which are connectable to fluid conduits. The male connector element is insertable within a socket of the female connector element and is retained therein by a coupling ring. The coupling ring i... | 08/08/1978 |
| 4099745 | Drill pipe joint A tool joint for drill pipe which is particularly well adapted for large diameter drill pipe, comprises a pin section and a box section. Each section of the tool joint is adapted at a first end to be attached to the drill pipe by welding, or threads, as i... | 07/11/1978 |
| 4083587 | Split-ring type pipe couplings A pipe coupling is described comprising a split-ring having an outer conical surface defined by the top lands of a plurality of circumferentially-spaced axially-extending ribs, the higher end of each rib being formed with an outwardly-projecting step. The... | 04/11/1978 |
| 4081190 | Plumbing device A process and device for connecting a sink tailpiece to a trap out of alignment therewith. The device has an upper section, a lower rigid section capable of being cut with a hacksaw, and a flexible pleated section.... | 03/28/1978 |
| 4072328 | Pipe couplings A pipe coupling particularly for use in connecting plastics piping having an appreciable coefficient of thermal expansion and required to withstand appreciable pressures, and avoiding the need for an internal groove for housing a sealing ring in the coupl... | 02/07/1978 |
| 4066314 | Electrical connector backshell accessory indexing body An electrical connector backshell accessory body adapted to be confined within a coupling nut of the type having threads formed on its inside at one end and an inward extending shoulder spaced from the threads and located between the threads and the other... | 01/03/1978 |
| 4059290 | Joint for connection of gas cock to metal pipe A joint is constructed in such a way that threads are formed on outer peripheries of both ends of a connection cylinder, and one of the threads of the connection cylinder is screwed with a cap nut for connection to a hose fitting of the gas cock, and the ... | 11/22/1977 |
| 4054157 | Coupling device for pipes having a convex shaped or straight tubular end A device is disclosed which is adapted to be inserted in the threaded end of the sleeve of a pipe coupling to permit connection of piping thereto having either a convex-shaped end or a straight-tubular end by means of a correspondingly threaded nut which ... | 10/18/1977 |
