Class 285/332.4 - Discontinuous interface surface

Subclass of Class 285 - Pipe joints or couplings
Definition: Devices wherein the surface of the interface of at least
No. of patents: 35
Last issue date: 12/04/2007

Number	Title	Issue Date
7302972	Thermo-insulated flexible tubing A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward...	12/04/2007
7209047	Monitoring coupling status with process lockout feedback A monitoring system includes a porthole in a tank or conduit that includes threads on an end thereof. A piece of processing equipment is mounted within the porthole by a threaded coupling collar. The threads of the coupling collar engage the threads of the porthole....	04/24/2007
7014222	Tube connection system A fluid fitting assembly for a fluid-tight coupling of a plurality of tube members to a connector member as a unit A RAM device having proximal surface and an opposite distal surface facing toward the connector member, and a plurality of alignment passages each defi...	03/21/2006
6976711	Threaded connection especially for radially plastically expandable conduit A threaded connection for a conduit is disclosed. The connection includes a male member having threads on it defining a load flank lead, a stab flank lead and a nominal lead. A female member has threads thereon adapted to mate with the threads on the male member. Th...	12/20/2005
6893057	Threaded pipe connection A coupled version of a threaded connection 10 includes first threads 16, 38 and second threads, 20, 34 on both elongate tubulars 14, 30 and a coupling 45. An integral joint version 50 preferably includes a first and second t...	05/17/2005
6631740	Brazing joint for tubes and the like A first tube has an end portion with a socket that is tapered by, a frustoconical wall that ends with a radially extending land. A copper brazing ring is disposed on the land. An end portion of a second tube having a knurled surface is press fitted into t...	10/14/2003
6550821	Threaded connection A threaded connection for tubular members comprising a box connector having axially spaced threaded sections and a thread-free section therebetween, the threaded sections of the box connector defining a two-step thread, a pin connector having axially spac...	04/22/2003
6543816	Threaded tubular joint proof to external pressure A threaded pipe connector which may find application in the petroleum and gas industry, and pipe connections formed with the connector. The connector includes a male element disposed at the end of a first pipe and a female element disposed at the end of a...	04/08/2003
6425607	Connector for pipe sections A connecter (30) for connecting a pair of pipe sections (32,33) together. The connector (30) includes three internally threaded segments (58) which are mounted for sliding radial movement in the connector (30). The connector (30) is first mounted on an in...	07/30/2002
6347814	Integral joint for the connection of two pipes Integral joint of two pipes which comprises a first box element, equipped with an internal two-step thread, situated on the end of a first pipe, a second pin element, equipped with an external two-step thread, situated on the end of a second pipe, two met...	02/19/2002
5895079	Threaded connections utilizing composite materials For threaded connections for oil and gas applications using tubular goods of composite materials, substantially greater make up torque can be applied, with significantly improved tensile and sealing properties, by incorporating stress-relieving conical gr...	04/20/1999
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
5540463	Couplings for automobile air conditioning system conduits A coupling (10) for connecting hoses or other conduits carrying refrigerant material in an automobile air conditioning system has a male end (12) and a female end (14). The male end has an extending portion (26) which is accepted into an aperture (50) in ...	07/30/1996
5503438	Flared tube coupling having a disposable sealing boot In a tube coupling a resilient sealing boot is disposed between facing frusto-conical sealing surfaces to prevent fluid flow therebetween. A first tube is provided an external frusto-conical sealing surface and an outer cylindrical surface adjoining the e...	04/02/1996
5462317	Adapter for a mixing or dispensing device 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 formed outlet itself. This conn...	10/31/1995
5398976	Connecting device for pipe assemblies A device for providing access to the interstitial region between an inner pipe and an outer pipe which coaxially define the region. The inner pipe has at least one terminal end extending from the outer pipe to leave a portion of the outer wall of the inne...	03/21/1995
5370424	Pipe connection A connection system for a deformable conduit with a support portion which is inserted within an end of the conduit. The support portion has a hollow interior and an external contour with first and second surfaces. First and second portions of the deformab...	12/06/1994
5308122	Tube coupling A tube coupling is disclosed which electrically insulates the tube from the coupling. A metallic nut and body interact with a non-metallic coupling to constrict the non-metallic coupling about the tube end providing multiple seals and seats while avoiding...	05/03/1994
5188402	Gasket apparatus and hermetically sealed joints employing said gasket apparatus Gasket apparatus and hermetically sealed joints employing the apparatus are provided wherein a tapered male member and a tapered female member are joined and a substantially hermetic seal is created around a predetermined circumferential zone between the ...	02/23/1993
5114190	Electrically insulated tube union An electrically insulated tube union includes a pair of tube fitting assemblies and an electrically non-conductive connector. Each tube fitting assembly has a fitting body, a fitting nut and a threaded ferrule. The connector has a body with an external ra...	05/19/1992
5087085	Sealing system for connecting beaded and flat coupling hardware In a system for providing a direct sealing connection between flat coupling hardware and VCR-type coupling hardware, a gasket is provided having a conical inwardly facing side surface to engage the toroidal projection on the endface of the VCR-type coupli...	02/11/1992
5064225	Coupling device and method for tubular elements Coupling device and method for joining together tubular elements such as sections of aluminum tubing. The device comprises a coupling sleeve having conically tapered walls of diameters corresponding to the diameters of the tubular elements to be joined to...	11/12/1991
5018555	Pre-press tube A pre-press tube is composed of several lengths of tube with a plug-in end at one end and a plug-in socket at the other opposite end. Plug-in end and plug-in socket are chosen to be conical in such a way, that when the plug-in end is pressed into the plug...	05/28/1991
4919462	Connection fitting for a corrugated tube A connection fitting for a corrugated tube includes a cylindrical housing, a bow-shaped locking element attached to the housing by a hinge portion and a corrugated tube for insertion into the housing. The cylindrical housing has two openings and a wall el...	04/24/1990
4907651	Metal-to-metal packer seal for downhole disconnectable pipe joint A metal-to-metal packer seal for downhole use in a well that operates in a deleteriously corrosive atmosphere. The seal is formed by the cooperating ends of two pipe sections, one of which is vertically positioned in a well with an upwardly facing metalli...	03/13/1990
4871179	Inflatable packer with roughened mandrel An inflatable packer including a tubular mandrel, a pair of collars secured to the mandrel, and an inflatable sleeve connected between the collars about the mandrel. The exterior surface of the mandrel underlying the sleeve is roughened to increase the co...	10/03/1989
4694652	Master cylinder with reservoir mounting arrangement In order to accommodate all of the tolerances along the bore centerline plane of the reservoir mount for a master cylinder, the reservoir bayonets or projections extending into the boss bores of the master cylinder body are at a reduced diameter establish...	09/22/1987
4629222	Pipe connector A connector, for example for connecting a tubular member such as a pipe, comprises a male member which has an external frusto-conical surface provided with a thread and a female member having an internal frusto-conical surface provided with a thread for e...	12/16/1986
4602807	Rod coupling for oil well sucker rods and the like A coupling for joining sucker rods in an oil well pump and the like, having a metal sleeve with an axially threaded bore and an exterior coating on the sleeve producing a cylindrical coupling, with the coating being an abrasive resistant thermoplastic hyd...	07/29/1986
4600224	Tubular connection having a chevron wedge thread A thread form for a tubular connection of the type having a pin member adapted to be made up with a box member to form a pipe joint is shown. The pin member has pin threads with thread crests and thread roots which are adapted to be made up with a mating ...	07/15/1986
4600225	Tubular connection having a parallel chevron thread A thread form is shown for a tubular connection of the type having a pin member adapted to be made up with a box member to form a pipe joint. The pin member has pin threads with thread crests and thread roots which are adapted to be made up with a mating ...	07/15/1986
4540200	Rock drill A drilling assembly for use in percussion drilling comprising a drill bit and a drill rod having cooperating conical surfaces, one of said surfaces being provided with a helically extending thread. For purposes of ensuring a reliable connection the thread...	09/10/1985
4525001	Pipe connector with interengagable tubular pin and tubular box members The pipe connector comprises a pin member and a box member which have outer and inner generally frusto-conical peripheral surfaces which overlie one another when the members are fully engaged together. To axially lock the members together, the surfaces ar...	06/25/1985
4381594	Method of cold forming coupling shell Method of cold forming a hose coupling wherein a shell element is drawn into a generally frusto-conical shape with at least one interior circular discontinuity....	05/03/1983
4298221	Pipe connectors A pipe connector comprises a tubular pin member and a tubular box member which are telescopically engageable, the pin and box members having corresponding frusto-conical inner and outer peripheral surfaces respectively which peripheral surfaces are in con...	11/03/1981

PatentStorm

Quotables

PatentStorm News

Class 285/332.4 - Discontinuous interface surface