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Class 285/230 - Concrete, clay, or masonry pipe


Subclass of Class 285 - Pipe joints or couplings
Definition: Devices specifically adapted to clay, concrete or masonry
No. of patents: 116
Last issue date: 10/12/2010


1      
NumberTitleIssue Date
7810847Sleeve coupling
A waterproof sleeve coupling for use in a partition for preventing liquid from leaking through a penetration in the partition either adjacent to or through the sleeve coupling. The sleeve coupling has a flexible water stop mounted in sealing contact with a sleeve so...
10/12/2010
7690691Coupler for joining plastic and concrete pipe
A plastic pipe coupler is provided having a plurality of sections connected to one another but with at least one gap between the ends of two sections which are adjacent to one another. Each of the coupler sections has an exterior surface and an interior surface, and...
04/06/2010
7571938Non-leak pool fixture and method for implementing
An improved sidewall fitting is disclosed with a fitting body and one or more flanges disposed about the fitting body. Plaster catches disposed along a face of one flange and positioned approximately coextensively with the fitting body. The bodies of the plaster cat...
08/11/2009
7392989Connector gasket for concrete structures
A manhole assembly for a manhole having generally cylindrical sidewalls defined between an outside surface and an inside surface separated by a wall thickness and having a wall opening communicating the outside and inside sidewall surfaces of the manhole for inserti...
07/01/2008
7374210Hydro penetration prevention sleeve
A hydro concrete to pipe sealing arrangement consisting of a main sealing sleeve having a first end and a second end, the main sealing sleeve consisting of two halves which interfit with each other to accommodate dimension variations during forming of a concrete cas...
05/20/2008
7350827Cam expansion ring assembly
An expansion ring assembly and method for sealingly installing a gasket within an opening in a wall of a structure. The expansion ring assembly includes an expansion ring having first and second adjacent end portions, and first and second cam members are rotatably c...
04/01/2008
7350822Lip coupling
A lip coupling for connecting together two pieces of pipe above a hole in the floor, the coupling having a semi-spherical upper portion connecting with a lower cylindrical portion, the semi-spherical upper portion having an outer diameter exceeding the outer diamete...
04/01/2008
7334820Concrete pipe with a corrosion-resistant inner lining
The invention relates to a concrete pipe having a corrosion-resistant inner lining consisting of plastic whose one end is made as a pipe spigot end piece and whose other end is made as a pipe socket end piece to receive a pipe spigot end part of the following pipe, ...
02/26/2008
7331582Gasket
An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded wit...
02/19/2008
7316431Auto-adapting fitting
An auto-adapting fitting for releasably connecting in an end-to-end orientation, a first tube end to a second tube end having an outer diameter within a specified range for use between the ammunition feed port of a paintball marker and the outlet port of a paintball...
01/08/2008
7243956Expandable band and locking mechanism
The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. The first band e...
07/17/2007
7158034Pipe gasket manufacturing and identification method with RFID tracking
An asset tracking system is provided, having particular usefulness in connection with the marking and tracking of sealing gaskets of the type used in water and sewage systems and in fluid conveyance systems generally. Interrogation of RFID tags located on the sealin...
01/02/2007
7150580Tapered manhole sealing band and method for use
The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding peripheries of the manhole structure. Adhesives and supplemental retaining ba...
12/19/2006
7143481Fixing ring for flexible pipe to manhole joint
The object of the present invention that a fixing ring is provided, which has annular ring form made of strip materials and is mounted in a bore or on a outside surface of flexible joints for piping, and not only has compact form and structure but also can be adjust...
12/05/2006
7121593Triple-expanded mechanical pipe coupling derived from a standard fitting
A coupling for joining pipe segments together is disclosed. The coupling is derived from a standard fitting and has a housing with a socket and a first expanded region adjacent to the socket, a second expanded region adjacent to the first expanded region and a third...
10/17/2006
7118137Testable pipe joint
A locking ring-type pipe joint has a spigot ring provided on a first pipe section, a bell ring provided on a second pipe section, and a locking ring that may be contracted to engage the spigot ring to the bell ring. First and second circumferential grooves formed in...
10/10/2006
7028972Gasket and mandrel assembly for pipe joints
A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body ...
04/18/2006
7022167Desiccant dehumidifier hose connector
A raised ring encircling a duct at an output port of a desiccant dehumidifier housing prevents its flexible hose from blowing off the duct even when clamped, as dried air blowing pressures through the duct increase. ...
04/04/2006
7004669Internal V-band clamp
A system for clamping two tubular members together in an end-to-end relationship uses a split ring with a V-shaped outer rim that can engage a clamping surface on each member. The split ring has a relaxed closed state where the ends of the ring are adjacent and the ...
02/28/2006
7003921Expansion joint and reinforcement connection method using the expansion joint
An expansive filler joint includes: a securing hollow body (1) embedded in a jointing end (3, 3) of forming concrete (K) or concrete segmental products (K′, K′), the securing hollow body (1) made of a rigid...
02/28/2006
6948718Gasket
An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded wit...
09/27/2005
6921085Packaging design incorporating gasket clamping assemblies and installation instructions
A package comprising gasket mounting clamps and instructions for mounting same. The mounting clamps include an expansion clamp and a takedown clamp. The expansion clamp engages an interior of a gasket inserted. The takedown clamp is looped in the gasket. The takedow...
07/26/2005
6905141Glass elements with a conductive coating, the use thereof, as well as devices, installations and pipe conducts produced therefrom
Glass modules for use in the assembly of equipment, installations and for pipe works, the surfaces of which are entirely or partially coated with a conductive coating, in particular from transparent conductive polymers for the purpose of reducing surface resistance,...
06/14/2005
6899354Pipe joining assembly
An improved joining assembly employs a retainer ring member to hold in place a gasket member in a pipe or fitting. A resilient annular gasket member is placed inside a first conduit member (pipe or fitting). An annular retainer member is provided to secure the annul...
05/31/2005
6874821Coupler apparatus for use with angled post-tension cables in precast concrete segmental construction
A coupler apparatus for use with precast concrete segmental construction having a first duct, a first coupler member extending over and around the first duct, a second duct, a second coupler member extending over and around the second duct and a gasket received at t...
04/05/2005
6866301Expandable band and locking mechanism
The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. A plurality of s...
03/15/2005
6854770Pipe or the like, a female end ring, and a method of manufacturing such a pipe or the like
A pipe formed from a concrete cylinder has an end ring with a ferrule which can be snuggly mounted on one end of the pipe and a skirt axially adjacent to the ferrule for receiving a mail endpiece of another pipe. The ferrule is expanded as it is mounted on the cylin...
02/15/2005
6834890Coupler apparatus for use with a tendon-receiving duct in a segmental precast concrete structure
A coupler apparatus for use with tendon-receiving duct in a segmental precast concrete structure including a coupler body having an interior passageway for receiving the duct therein. The coupler body has a generally U-shaped channel formed at one end thereof. The c...
12/28/2004
6764105Duct coupler apparatus for use with precast concrete segmental construction
A coupler member for use with precast concrete segmental structures having a first duct, a first coupler member extending over and around an exterior surface of the first duct and having a seat opening adjacent an end of the first duct, a second duct, a second coupl...
07/20/2004
6752435Symmetrical coupler apparatus for use with precast concrete segmental construction
A coupler member for use with concrete segments having a first duct, a first coupler member extending over and around an exterior surface of the first duct and having an end opening adjacent an end of the first duct, a second duct, a second coupler member extending ...
06/22/2004
6641176Wide clamping band for clamping a connector boot within a hole through a generally cylindrical wall
The clamping band is used to clamp a connector boot within a hole in a manhole riser or other generally cylindrical structure, particularly where the depth of the hole is greater than the thickness of the manhole riser. The clamping band has a width such ...
11/04/2003
6607219Expansion type clamping band characterized by simplified design and ease of use
An annular-shaped, expansion type clamping band has laterally overlapping ends, each having a skewed surface, the skewed surfaces slidably engaging one another. The ends are further provided with elongated guide slots for receiving a threaded bolt. A thre...
08/19/2003
6581940Concrete manhole connector gasket
An integrated connection for a manhole having a wall opening defining a peripheral surface and a ring shaped elastomeric body cast in place on the peripheral surface. The elastomeric body includes a foot region cast within the wall thickness of the manhol...
06/24/2003
6578882Corrugated pipe structure
A pipe structure includes an annular corrugation centered on an axis. The corrugation has a cylindrical liner centered on the axis, two annular sidewalls extending radially outward from axially opposite ends of the liner, and an annular crown extending ax...
06/17/2003
6572118Flexible seal member for non-metallic conduit to concrete manhole junction
A sealing member for sealing a joint between a pipe and a wall defining an opening is provided. The sealing member has an annular base, a projection, and preferably first and second annular flanges. The annular base has a bottom and first and second sidew...
06/03/2003
6460860Pipe seal for cast concrete
A tubular wall sealed at a first end by an integrally molded annular wall, forming a cap, is cast in the concrete wall of a low pressure vessel, forming a sealed cavity in the concrete. One end of a rubber tubular gland wrapped sealingly around the outsid...
10/08/2002
6457725Septic tank gasket
A flexible gasket connecting a plastic or fiberglass pipe in fluid communication with a plastic or fiberglass septic tank. The gasket is an integrally molded elastomer having an annular base with a flange and keeper portions extending radially outward fro...
10/01/2002
6450547Pipe coupling for plastic pipes
A pipe coupling according to the invention comprises a socket (2) of glass-fiber reinforced plastics material and a membrane (4) of elastic material which is formed at at least one end as a seal and comprises a sleeve section (8). Where the membrane is fo...
09/17/2002
6237966Co-extruded dual durometer hardness pipe gasket
A pipe joint is formed using a gasket made of coextruded materials of different durometer hardnesses. The gasket includes a relatively soft, thermoplastic elasomeric sealing portion joined to a harder, plastic substrate on one side of the substrate, usual...
05/29/2001
6089618Sealing device for pipes
A sealing device for sealing an annular space between a socket and a spigot end introduced therein comprises a sealing ring (10) and an annular element (12) connected therewith and consisting of a non-elastic cellular plastic, for example styrene cellular...
07/18/2000
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