Class 285/133.3 - Having a pipe-receiving bell, socket or mouth

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter wherein the inside diameter of a portion
No. of patents: 29
Last issue date: 03/27/2012

Number	Title	Issue Date
8141910	Plumbing apparatus The present invention provides a plumbing apparatus that includes an offset or tangential T-fitting providing for offsetting a branch pipe from a run pipe in end elevation view, and for the branch pipe to intersect the run pipe orthogonally in side elevation view. T...	03/27/2012
7422247	Branch tee fitting In a branch tee fitting (1) fabricated by press forming, engaging pawls (14) are provided which engage flat portions (13) superposed to each other at angles in the region between the tubular body portion (11) and the tubular branch portio...	09/09/2008
7402739	Method for manufacturing a percussion instrument A method of manufacturing a percussion instrument has the steps of providing a first member into a liquid with the first member having a first diameter. The first member has a first end and a second end. The method also has the step of heating the liquid and stretch...	07/22/2008
7234732	Pipe coupling for joining pipes of varying diameters A pipe coupling for joining a first pipe to pipes of varying diameters includes first and second hollow fittings which are secured together in end-to-end relationship by a crimping process to rigidly hold the fitting members together to form a continuous fluid passa...	06/26/2007
7156425	Quick connect and quick disconnect plumbing apparatus A plumbing apparatus for connecting a tankless hot water heater to a cold water supply line and a hot water outlet line includes a union and a tee that are interconnected to one another. A first connector at one end of the union is provided for connecting the union ...	01/02/2007
7070209	Tapping sleeve An improved tapping sleeve includes a first sleeve member having an outlet aperture, a second sleeve member, and a unitary gasket. An outlet retaining ring is positioned around the outlet aperture. A pair of end retaining lips are positioned on inner surfaces of the...	07/04/2006
7055865	Lateral connection system A service tee forming part of a main fluid line has a laterally extending female fitting with threads and a gasket spaced axially from the distal end of the threads. A male fitting having a series of male threads and a cylindrical extension terminating in the distal...	06/06/2006
7021671	Septic tank drain field pipe manifold system and method of use A manifold having a tubular body including effluent retention areas formed within the body and conduit portions having opposing ribs extending radially from an outside surface for use with a pipe anchoring mechanism when installing the manifold and connected flexibl...	04/04/2006
6992259	Multi-purpose condensate switch A float switch made from plastic and impervious to corrosion, with improvements over the prior art including a more responsive operation resulting from use of a wide float switch body and a closely fitting housing that allow rapid shut-off of condensate production a...	01/31/2006
6860517	Tubular metal part having pullouts A tubular part having a tubular main body and an integral tubular pullout projecting laterally from the side of the main body and in fluid-tight communication therewith is superplastically formed by inserting the tube in a cavity of a die base and heating the die to...	03/01/2005
6220634	Branched hose construction A branched hose construction contains an insert having at least three legs and a plurality of hoses equal to the number of legs of the insert. Each hose has one end fitted over a leg of the insert. A molded saddle encapsulates the rigid insert and the jun...	04/24/2001
6017064	Apparatus and methods for forming lateral openings in main pipelines and restraining apparatus for main and lateral pipe joints In a piping system having a main pipe or fitting joined to a lateral pipe, a restraint body or sling extends about the fitting or main pipe and is secured at opposite ends to the lateral pipe. The lateral pipe, main pipe or fitting and restraint body are ...	01/25/2000
5992904	Branch pipe joint for high-pressure fluids A branch pipe joint for a high pressure fluid, comprising: a joint body having a conduit therein on its axis and a branch hole formed in its circumferential wall and having a pressure receiving seat formed on the circumferential face thereof and opened to...	11/30/1999
5806896	Fluid transport pipe joint A joint for a fluid transport pipe is provided for use in e.g. connecting and communicating a fluid piping device such as a branch pipe or a sluice valve to a through bore defined in a fluid transport pipe. The joint includes a joint body, to be connected...	09/15/1998
5702129	Riser assembly for underground pipe connections The riser assembly includes a riser for fluid connection between a main fitting and a lateral pipe at different elevations. The lateral pipe is connected to the riser pipe by a 90° bend having an elongated bell along its vertically extending portion for ...	12/30/1997
5564753	Cryogenic fluid manifold A double walled manifold assembly for a cryogenic fluid, such as liquid oxygen, is assembled as alternating bellows portions and tee portions. The inner bellows portions have a greater axial length than the outer bellows portions to enable welding of an i...	10/15/1996
5335944	Hose coupling structure In order to easily automate the coupling work of a pipe and a hose without damaging the mechanical strength of the structure, a hose with a coupling portion includes a nipple, a hose inserted into the end portion of the nipple, and a resin covering portio...	08/09/1994
5316349	Tube connecting element of plastic for sanitary and heating purposes A tube connecting element of plastic for sanitary and heating purposes, has two connecting sleeve elements each having a bore, which bores are in alignment with respect to one another so as to form a common flow through bore, and into which plastic tubes ...	05/31/1994
5248171	Flexible rubber tube having rigid plastic branch connection In a method for producing devices such as branch connections or similar on flexible tubes or pipes, particularly those with a rubber base, a rigid core is placed inside said tube or pipe intended to support it and a branch connection or similar is molded ...	09/28/1993
5183298	Pipe fitting reducers Cast iron fittings are coupled with reducer fittings in a fluid handling network to reduce the flow diameter in various pipe sections of the network. Each main fitting and reducer fitting has two or more tabs about their mating open ends which are aligned...	02/02/1993
5131697	Pipe and coupling system A pipe is especially fabricated for use in conjunction with locking pin type threadless couplings. The pipe has a thin wall configuration achieved by fabricating it from high tensile steel produced by cold working, or reducing, low carbon steel....	07/21/1992
5108134	Pipe connections A method of and means for making pipe-to-pipe connections in which the pipes are provided with socket ends and with spigot ends for mating with the socket ends of pipes to be connected therewith. Each socket end being provided with an annular portion of i...	04/28/1992
4998754	Drainpipe joint In a vent-free single-duct drainage piping system for vertical installation in multi-storied buildings with horizontally extending branches to receive drain from sources of different floors of the building installed, a joint for connecting vertical pipe s...	03/12/1991
4848801	By-pass connections obtained by molding a coating of a junction material around a rigid tubular insert more particularly and a process for manufacturing same A bypass connection for flexible tubes, obtained by molding a coating of a junction material about a rigid tublar insert, and a process for manufacturing the connections. In these bypass connections, the insert includes at one end a first bell mouthed fla...	07/18/1989
4830410	Pipe connecting member of plastics material A pipe connecting member of plastics material for pressurized fluid lines. The pipe connecting member has sleeve portions and a middle portion extending between and connecting the sleeve portions. The sleeve portions receive in a tightly sealed manner the...	05/16/1989
4703956	T-fitting for use with different diameter pipes A T-fitting for use with pipes of different diameter sizes includes a generally T-shaped hollow body defining a central flow transition passageway, and three spaced-apart pipe-connecting hollow ends formed on the body in flow communication with its centra...	11/03/1987
4662655	Pipe connection of fibre reinforced plastic pipe parts A pipe connection of a first and a second fibre reinforced plastic pipe by accommodating a free end portion of each pipe in a centering plastic pipe part, an adhesive layer being present between the inner side of the centering pipe part and the outer side...	05/05/1987
4076282	Molded plastic article A molded article comprising a hollow body of a crosslinked polymer rotationally molded around a section of at least one piece of non-crosslinked conduit, which conduits protrude from said hollow body, made by attaching said conduits of non-crosslinked mat...	02/28/1978
4027903	Water-degradable coupling member A core element preferably of plastic material is provided wherein one embodiment of the core element comprises (1) a tubular body member and (2) a tubular coupling member of water-degradable material disposed within one end of the tubular body member and ...	06/07/1977

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Class 285/133.3 - Having a pipe-receiving bell, socket or mouth