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| Number | Title | Issue Date |
| 7325839 | Condensate drain hose fitting for a floor drain A drain fitting includes a cylindrical body that is sealed against a floor drain cover to confine condensate liquid, such as from an air conditioner, inside the perimeter of the drain fitting by tightening a self-tapping screw that is inserted into a hollow stem in ... | 02/05/2008 |
| 7278661 | Connecting structure of branch connector in fuel pressure accumulating container A branch connector in a fuel pressure accumulating container is joined with a through hole formed on a peripheral wall of the pressure accumulating container. The branch connector is inserted deeply into the through hole until the distal end of the branch connector ... | 10/09/2007 |
| 7255372 | Device and method for connection with relative and controlled sealing between a pipe and a ceramic tube Relative and controlled sealing between a pipe (1) and a ceramic tube (7) utilizes a cylindrical chamber (5) that is attached in a sealed manner to the pipe (1), and to one end of the ceramic tube that is placed inside the chamber. At lea... | 08/14/2007 |
| 7229103 | Heat exchanger tank-pipe connection structure A short cylindrical connection cup is fitted and brazed to a pipe fitting port of a metallic tank. Afterward, the extremity of a resin pipe is inserted via an O-ring into the connection cup, and a caulking claw of the connection cup is caulked to press a flanged por... | 06/12/2007 |
| 7080486 | Pass-through firestop device A cast-in-place pass through firestop device for providing a passage in a partition in a structure through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be r... | 07/25/2006 |
| 7032934 | Hydraulic fitting A connector for a fluid conduit is provided herein. The connector includes a conduit structure and an annular seal member. The conduit structure has a frustro-conical surface and a seal groove. The frustro-conical surface may be an external surface or an internal su... | 04/25/2006 |
| 6517117 | Through wall connector for a reservoir A watertight, through wall connector has a tubular body, an O-ring and a holder. A neck is formed on one end of the body has to be bent to hold the holder. With such a connector, the neck is not easily cracked during the pressing process, and the deformat... | 02/11/2003 |
| 5971444 | Through wall connector A through wall connector assembly which provides a substantially water-tight and air-tight seal around the circumference of an opening in a wall to allow for sealed extension of a line through the opening in the wall. The assembly includes a male member a... | 10/26/1999 |
| 5918911 | Replacement and repair of nozzles for pressure vessels For nozzle replacement, repair and initial installation in ASME pressure vessels, disclosed are nozzles, nozzle assemblies and nozzle repair assemblies, all of which are mechanically attached and mechanically sealed to the vessel, i.e., without any weldin... | 07/06/1999 |
| 5797603 | Sealing ring and a method of mounting it The present invention relates mainly to a sealing ring and to a method of mounting it in a groove. According to the present invention, the sealing ring is twisted before being mounted in the groove so that the reaction forces retain it therein. The retent... | 08/25/1998 |
| 5605361 | Replacement nozzle for pressure vessels and method of a attaching same The invention disclosed herein provides nozzles for vessels such as a pressurizer vessel, reactor vessel or piping in a nuclear power facility, and methods for attaching and sealing the nozzles to the vessels without any welding at all, i.e., without usin... | 02/25/1997 |
| 5441314 | Threaded fittings An externally threaded fitting for use in coupling a fluid-conducting tube to a fluid-processing system threaded entrance opening is provided with a tapered-bottom groove immediately above and adjacent the fitting external thread, and with a doubly-tapere... | 08/15/1995 |
| 5433183 | Connection system for connecting a pipe carrying a hot fluid to a plastic member and its use in an internal combustion engine A sealed connection system for connecting a pipe carrying a hot fluid to a plastic member. The plastic member has a wall having an orifice extending therethrough. The sealed connection includes an internal projection formed in the wall and projecting into... | 07/18/1995 |
| 5390465 | Passthrough device with firestop A device for installation in a building wall or floor to provide a passthrough opening for pipes, tubing, and the like includes an axially open first end and a second end closed by a transverse wall. A ring of intumescent material fills the axially open f... | 02/21/1995 |
| 5338075 | Combination fluid flow ports A combination fluid flow port which can be used as both a full size threaded port and a full size flange port is provided with an annular ring constructed and arranged to fit closely within a counterbore in the end of a threaded hole in the port to provid... | 08/16/1994 |
| 5163716 | Condenser connector assembly for connecting refrigerant line A connector assembly includes a connecting block and mating adapter for attaching an automotive refrigerant line to a condenser tank. A port/passageway is provided within the connecting block to receive a nipple on the adapter for communicating fluid from... | 11/17/1992 |
| 5110160 | High pressure port fitting system A high pressure fitting system includes a body having a passage therethrough to provide fluid communication between an associated fluid system and a female port. The body includes a first groove adapted to receive a seal member that defines a primary seal... | 05/05/1992 |
| 4770446 | Pressure tank connector with internal crimped tank attachment A pressure tank connector apparatus is described, including a fitting body having an integral hollow sleeve portion projecting from one end thereof adapted to extend into an opening in the tank wall and be crimped about an internal flange or lip portion o... | 09/13/1988 |
| 4613169 | Spa fitting sealing system A system for sealing a pool or spa fitting includes a wall having a frustoconical hole therethrough, the hole expanding towards the outer side of the wall. A conduit or inlet fitting is disposed in the hole and has an integrally formed enlarged end portio... | 09/23/1986 |
| 4468054 | Flange mounted thermostatic expansion valve The inlet and outlet tubes on each side of the valve body are connected to the valve body by a notched plate engaging the shoulder upset from the tube. The upset forms a metal-to-metal seal against the seat in the body while the O-ring engages the wall of... | 08/28/1984 |
| 4445237 | Close coupled water-closet combination and adapter This invention relates to an adapter for coupling a toilet bowl, such as residential toilet bowl, to a flush device that is generally utilized in a commercial close coupled water-closet combination. The adapter includes a substrate having a hole therethro... | 05/01/1984 |
| 4379574 | Radiator assembly (bayonet lock) A tank assembly utilized in a heat exchanger such as a radiator and the method of connecting a cylindrical spout such as a filler tube in an opening in the tank wall. An opening is formed in the tank wall with a skirt extending inwardly from the tank wall... | 04/12/1983 |
| 4122894 | Tube mounting means for a ceramic recuperator A recuperator having refractory walls has ceramic recuperator tubes which are located at each of their ends in tapering bores in the recuperator walls. The ends of the tubes are sealed in the bores in the walls by a number of precompressed fibrous refract... | 10/31/1978 |
