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| Number | Title | Issue Date |
| 7370777 | Quick fastener A quick-acting closure (1) for connecting a mixer tube (3) and a connecting part (2) of an extruder unit. The connecting part (2) has a connector (9) with a conical threaded base member, on which an external thread (12) is a... | 05/13/2008 |
| 7354075 | Adapter-intermediate ring for a screw-in part of a fluid plug system An adapter assembly having an intermediate ring and a screw-in part for a fluid plug-in system. The adapter assembly includes an externally threaded portion for threading into a threaded bore and an actuating shoulder. A receiving groove is formed in the transition ... | 04/08/2008 |
| 7331792 | Trailer tow connector assembly An electrical connector including a first connector portion and a second connector portion. Each of the first and second connector interfaces includes several terminals. At least a portion of the terminals of the first connector interface are electrically coupled to... | 02/19/2008 |
| 7322615 | Adjustable plumbing fitting An adjustable plumbing fitting is adapted to adjust a length of connection between supply and inlet pipes, and includes a sleeve member, a collar member, and a sealing member. The sleeve member includes an annular section sleeved on and threadedly engaged with the i... | 01/29/2008 |
| 7237810 | Plastic pipe adhesive joint A method of joining two pipe ends, by forming male threads on an end of a first pipe with a steep taper angle, forming matching female threads on an end of a second pipe, and applying adhesive material to the threads before twisting the pipes to fully engage the mal... | 07/03/2007 |
| 7232159 | Tube coupling A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inward... | 06/19/2007 |
| 7100946 | Bulkhead assembly for use in pipe-in-pipe systems A bulkhead assembly for a pipe-in-pipe system includes coxially inner and outer components which are screwed together along a first threaded portion and a locking device which includes a locking element screwed onto a threaded portion on one of the components having... | 09/05/2006 |
| 7090256 | Pipe joint A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to ... | 08/15/2006 |
| 7017951 | Strengthened pipe fitting having encapsulated reenforcing collar A strengthened pipe fitting has an internally threaded surface and a compression band. The compression band is sized to compress the internally threaded surface sufficiently so that the pipe fitting is subjected to a compressive preload. The compression band is cove... | 03/28/2006 |
| 7014216 | Joint assembly for flexible and semi-rigid pipings A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cro... | 03/21/2006 |
| 6977059 | Molten metal shaft coupling system A molten metal pump shaft coupling system for use in the coupling or connection of elongated shafts to other components and equipment, and for the disconnection thereof. A coupling with internal discontinuous threads may be coupled with an externally threaded shaft,... | 12/20/2005 |
| 6860523 | Tube coupling A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inward... | 03/01/2005 |
| 6464266 | Tube coupling A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radi... | 10/15/2002 |
| 6123364 | Pipe joint A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is com... | 09/26/2000 |
| 6116301 | Lubricant storage assembly for a lubricant delivery unit A lubricant storage assembly for supplying a lubricant delivery unit with lubricant includes a socket adapted to be affixed to the lubricant delivery unit and having an inner wall face; a thread-cutting threaded portion provided in the inner wall face; a ... | 09/12/2000 |
| 6102442 | Waterlight fitting for flexible conduit The present invention describes an improved connector for attaching flexible metallic and non-metallic conduit to electrical panel or junction boxes. The improved connector comprises a two pieces. The first piece comprises a metallic cylindrical inner bod... | 08/15/2000 |
| 6059321 | Grip coupling for joining conduit A fitting is provided for joining to a smooth exterior periphery of a tubular conduit with a seal member sealing therebetween. The fitting has a tubular body with a central passage for receiving the tubular conduit. The central passage defines a central a... | 05/09/2000 |
| 6044868 | Watertight fitting for flexible non-metallic conduit An improved connector for attaching flexible non-metallic liquid tight conduit to electrical devices. The connector is attached to the conduit by a simple twisting action. The invention simplifies the connection task, is easily manufactured in a one piece... | 04/04/2000 |
| 5904377 | Pipe fitting A pipe fitting adapted to be installed in an aperture in a wall of a fluid container, comprises inner and outer co-axial sleeve members interconnected for relative axial movement and a split, helically wound, washer. The inner sleeve member has an end por... | 05/18/1999 |
| 5860678 | Self-threading joining system for flexible or semirigid pipes A self-threading joining system for flexible or semi-rigid pipes having two basic elements. The first element or joining end has three zones, the first zone being a hollow stem which outside diameter is slightly greater than the bore of the pipe to be joi... | 01/19/1999 |
| 5709417 | Interference pipe coupling An interference fit pipe coupling has threaded sections inside each end portion which grip the outer walls of a plain end pipe that is forced axially thereinto. An outer, longer section of the threads are tapered Buttress-like threads that are formed on a... | 01/20/1998 |
| 5687994 | Pipe coupling A pipe coupling has a body having a hollow interior including a tubular tail onto which the end of a pipe can be engaged. A coupling nut is captively mounted about the body of the coupling and has a screw threaded interior. When the end of a pipe has been... | 11/18/1997 |
| 5580101 | Tapered joint thread system The invention presented is a tapered joint thread system, especially for use in a fluid handling device, and a fluid handling device containing the inventive tapered joint thread system. More particularly, the invention presented includes a plastic female... | 12/03/1996 |
| 5573281 | Adapter The adapter for attachment onto an outlet of a dispensing means such as a mixing device, comprises a connecting part for attachment to the outlet and an outlet portion to which other parts can be connected or which can be a specially formed outlet itself.... | 11/12/1996 |
| 5429209 | Grease fitting adapter A grease fitting adapter for lubricating a gearbox having a grease fitting aperture in a gas operated lawn trimmer is provided, which consists of a grease source. A structure is for conveying grease from the grease source through the grease fitting apertu... | 07/04/1995 |
| 5393104 | Sanitary hose coupler The present invention is directed to a coupling for use with sanitary hose, including a hollow female coupler piece and a hollow male coupler piece, wherein the male coupler piece is threadedly connected into the female coupler piece, and wherein a first ... | 02/28/1995 |
| 5240290 | Adapter assembly for branching a pipe The branch pipe adapter assembly comprises an elongated member defining an insertion part, a body part and a connecting part with an aperture axially formed therethrough to permit fluid communication through the insertion part, the body and the connecting... | 08/31/1993 |
| 5240291 | Sanitary hose coupler A novel coupler for use in sanitary transport of material which includes a female piece having a first end and a second end, the first end having an inner threaded surface defining an opening therein to receive an end of a hose, the second end having an i... | 08/31/1993 |
| 5169179 | Adapter for connecting a plastic pipe to a metal pipe An adapter for connecting a plastic pipe to a metal pipe. The adapter consists of a connector having a first end and a second end with an opening extending through the second end of the connector and extending a distance through the connector toward the f... | 12/08/1992 |
| 5156421 | Fluid-tight connectors for fluid-carrying pipe-lines A pipe connector comprising two members with respectively concave and convex mating co-operating ends and fitting together by an internally threaded sleeve retaining one of the members and tightened by being screwed onto the outer threading of the other m... | 10/20/1992 |
| 4875710 | Abrasive threaded fiberglass pipe joint A joint for joining together lengths of fiberglass reinforced pipe or assembling joint components to a length of fiberglass reinforced pipe has abrasive threads capable of cutting matching threads into the surface of the pipes being joined. The abrasive t... | 10/24/1989 |
| 4790569 | Reverse taper ring lock coupler and method A T-shaped connector for use in automotive radiator cooling systems, in which each nipple is radially enlarged to form a substantially frusto-conical obverse taper, an apex, and a substantially frusto-conical reverse taper having one or more shouldered st... | 12/13/1988 |
| 4682797 | Connecting arrangement with a threaded sleeve A connecting arrangement comprising a threaded sleeve of synthetic plastic material and a tube portion having a pipe thread. The threaded sleeve contains an insert nut with an internal thread and a synthetic plastic ring which is engaged by the pipe threa... | 07/28/1987 |
| 4681175 | Auto-coupling tool for drill-pipes An automatic broken-drill-pipe-intercoupling tool having, a body portion with, at one end, a female threaded adapted to cooperate with the threaded male end of the retrievable portion of a broken drill pipe and at the other end a tapered, multi-interwined... | 07/21/1987 |
| 4583767 | Pipe coupling A pipe coupling for joining hard-walled, semi-rigid pipe including a tubular portion over which the end of the pipe to be coupled may be engaged. The tubular portion has an external thread carrying a nut including an internal thread. The nut has a second ... | 04/22/1986 |
| 4488738 | Synthetic plastic pipe coupling and method of assembly A synthetic plastic pipe coupling comprising an internally threaded fitting of synthetic plastic material and a pipe of synthetic plastic material. The material of the fitting is harder than the material of the pipe so that the threads of the fitting act ... | 12/18/1984 |
| 4310182 | Internal couplings for plastic solar collectors and the like A self-tapping coupling for plastic piping has a hollow cylindrical section with external self-tapping threads and a sealing member with an O-ring whereby the sealing member is retained in the end of the plastic pipe by the threads cut by the cylindrical ... | 01/12/1982 |
| 4190269 | Adapter for exhaust actuated devices An adapter for detachably interconnecting an exhaust stack with an exhaust actuated device comprises a hollow, frustoconically shaped body having first and second ends, and an inclined sidewall extending therebetween. The body first end is open for receiv... | 02/26/1980 |
| 4079966 | Insulated self-threading fitting A self-threading fitting having external threads at one end and tapered internal threads at the other end is provided with a snap-in tubular lining of insulating material which extends beyond the end of the fitting having the internal threads for insertio... | 03/21/1978 |
| 4066246 | Sanitary pipeline mixer A sanitary pipeline mixer with a rotor and a stator disposed along a common axis within a turbine housing having an internal mixing chamber that communicates with an inlet port and a discharge duct. An inlet duct is removably connected to the turbine hous... | 01/03/1978 |
