Matches 101 - 150 out of 158 < 1 2 3 4 >
Match Document Document Title
5105879 Method and apparatus for sealing at a sliding interface  
A seal is provided for containing fluid (either gaseous or liquid fluids) under variable pressure in a pressurized region to prevent leakage into a less pressurized region. First and second...
5096206 Pipe joint sealer  
A pipe joint sealer for providing a watertight joint in metal pipe, cast concrete pipe, plastic pipe and the like is disclosed. The pipe joint sealer prevents fine dirt and sand from entering the...
5072073 Cable sealing method and apparatus  
Method and apparatus are provided for sealing an open end of a sheathed cable. After removing a length of insulating jacket, the open end of the cable is placed in a pressure block and a viscous...
5054794 Clamping band for gaskets and the like and expansion means therefor  
An expansion band having a spanning member whose free end is provided with a locking tab for cooperation with a locking surface having a plurality of selectable locking slots. A guide channel...
4993722 Apparatus and method for improved pipe to manhole sealing  
An apparatus for sealably and flexibly joining together a pipe member and an enclosed body in a sewer system having a seal comprising an elastic sleeve with an annular cavity. The cavity contains a...
4836558 Bulkhead seal  
A seal is provided around one or more supply lines, such as pipes, wires or cables, extending through an aperture in a bulkhead. A heat recoverable tubular article having a radially extending...
4818209 Mould and sealing ring  
A mould and sealing ring constitutes a mould element in forming a socket end on a pipe consisting of thermoplastic material and seals the space in a pipe joint between the socket end and the spigot...
4817962 Universal tubular connection having a variable metal-to-metal seal width corresponding to material yield strength  
The same size and weight of tubular products, but in different grades of material, are made for universal connection but with seal areas that differ appropriately for adequate sealing without...
4795166 Sealing gasket  
A high-temperature resistant sealing gasket, adapted to be clamped between flanged pipe ends for service in a static environment, comprises a flat mica mat including, in a superposed relationship,...
4790544 Expansible seal  
A seal in an aperture, e.g., a duct, is made by foaming a foamable substrate within an envelope in the aperture, to expand the envelope, which desirably has sealant or adhesive on its outer...
4758003 Method and apparatus for changing physical and chemical properties of materials  
A method for sealing a port in a wall through which an element is passed, comprising the steps of combining a water based fire-resistant liquid sealing material and a solid water absorbing means...
4746127 Adjustable clamping band for gaskets and method for using same  
A clamping band for clamping a resilient gasket against an opening within a wall to provide a fluid-tight seal therebetween. The clamping band is generally circular-shaped and has an elongated slot...
4717159 Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe  
This invention relates to a method for seating a pitot tube type flow meter against the remote wall of the pipe in which it is being installed and subsequently sealing same within the tubular...
4712800 Split elastomer ring for repairing potheads and process of repairing a pothead therewith  
A split elastomeric ring for repairing and sealing electrical connection boxes of the type commonly referred to as potheads. The ring has an elastomeric body and a central opening. A slit is...
4703935 Expansible duct seal construction for batch mixers and the like  
An expansible duct seal construction for a batch mixer vessel with a cover clamped to the open end of the vessel wherein a flexible duct perimetrally surrounds the cover and the end portion of the...
4685683 Flexible envelope seal and sealing method  
A seal between an object such as a cable, cable splice or branch-off, and a surface such as a recoverable sleeve by means of a flexible envelope containing a void-filling composition. The...
4673187 Bimetallic spiral wound gasket  
A temperature-sensitive gasket comprised of an annular ring formed by alternating layers of a spirally wound bimetallic strip and an adjacent strip of soft filler material, such as Teflon. When...
4669759 Fire-stop stack fitting and method of using same  
A fire-stop stack fitting (34) includes a cylindrically-shaped coupling wall (36) having a stop (52) therein for receiving pipes to be coupled from first and second ends. The first end of the...
4666164 Method and means for sealing with heat-recoverable foam layer  
An aperture, for example a duct having a cable passing through it, is sealed by installing a laminate, comprising an adhesive layer, a heater layer, and a heat-recoverable foam layer, the thickness...
4646845 Metal seal for wellhead apparatus  
Methods and apparatus for effecting a fluid-tight seal between a surface of an oil and/or gas well tubing or casing and a wellhead member are provided, wherein the surface has been unprepared to...
4625976 Shaping element for manhole opening and gasket  
A shaping element designed to form a sewer pipe receiving opening during pouring of concrete to mould a manhole. The shaping element also holds a gasket seal in position until the concrete is set....
4611813 Method of and apparatus for providing an annular seal  
Leakage producing faults in a guide tube of finite length are repaired by encapsulating the guide tube within a sleeve-like member which extends between a wall, from which the guide tube projects,...
4583746 Method and apparatus for sealing between two concentric members  
Method and apparatus for establishing a seal across the annulus between two concentric rigid members to seal the annulus against large fluid pressures. A specially formed seal ring, advantageously...
4580788 Split ring sealing device for high pressure service  
A split type sealing device for providing high pressure sealing around a cylindrical member such as a tube. The sealing device utilizes a primary flexible split seal ring element and a rigid split...
4564201 Method and apparatus for sealing a discontinuity in a tubular assembly  
A method of forming a seal over at a discontinuity in a tubular area e.g. a joint between two pipes comprises providing a sealing element around the area and clamping the element in position with a...
4537406 Hostile environment joint seal and method for installation  
A tubular joint sealing system for use in high pressure and high temperature conditions is provided. The sealing system consists of a shape memory material backup member combined with a compliant...
4527804 Sealing of electrical cable joints, equipment housings, or the like  
A method of forming and testing a fluid tight seal comprises placing a sealing ring between two members between which the seal is to be formed, either the sealing ring or the respective members...
4522536 Apparatus for and method of fluid sealing channeled flange connectors of under-water pipe line sections  
An o-ring holder and flange connector spacer having an annular body for engaging an o-ring sealer therein and for guide centering between opposing flange connector face channels when digitally...
4470606 Universal fluid-sealing joint for outlet pipe from fluid-containing housing  
A novel seal around conduits passed through walls of fluid-containing housings embodying a stretchable annular butyl-rubber-like sheet washer stretch-fitted upon the inner end of the conduit and...
4463955 Sealing device for a pipe connection and method for sealing such a pipe connection  
A sealing device for a pipe connection requires tighty clamping a sealing ring (1') made of elastomeric material in a socket and of a pipe section for the subsequent insertion of a plug-in end of...
4431198 Device for conduit seal and repair  
A device for conduit sealing and repair is taught. Briefly stated, a cable or conduit is passed through an opening in a foundation or bulk head enclosure. A substantially cylindrical collar which...
4415169 Seal for concentric tubular member  
A seal assembly employing a thermoplastic sealing element, such as polytetrafluoroethylene, for maintaining sealing integrity between inner and outer concentric tubular members is disclosed. Axial...
4410185 Method for sealing a space between two sealing surfaces and a sealing device for carrying the method into effect  
The invention relates to a method of sealing the space between two substantially coaxial sealing surfaces (24 and 30) which are insertable one in the other, preferably for sealing the space between...
4361331 Seal for vacuum flange connections  
A seal for vacuum flange connections includes a plastically deformable seal ing and an associated ring designed to ensure that the seal remains tight even upon cooling after a previous heating....
4274640 Sealing devices  
A sealing device for insertion in a flanged pipe coupling comprises a split ring with an annular sealing member seated in a groove in one axially facing side of the ring. At intervals around the...
4268046 Multiple seal stationary sealing ring  
A stationary sealing ring adapted to seal a grooved carrier and a circular housing is disclosed. The sealing ring includes a plurality of stacked, annular parted ring segments dimensioned to slip...
4268041 Sealing device and method  
A sealing device comprising a hollow body member having a plurality of spaced apart external deformable flanges and provided with a sealant on its external surface, preferably between the flanges....
4215868 Gasket apparatus and method  
This invention relates to a gasket apparatus for providing a fluid tight seal between a pipe and a porthole in the wall of a manhole riser. The apparatus includes an elongated sleeve of elastomeric...
4208055 Method and device for sealing the place of penetration of a pipeline in the wall of a submerged structure  
An axially flexible sealing device connecting two pipeline ends which comprises a number of sealingly connected annular members, each annular member including an inner cylindrical member, two...
4191384 Method and device for sealing a pipe joint  
A method for providing a seal between two pipes of the type in which one circumferential end portion of one pipe has an enlargement to provide an internal circumferential channel into which the...
4160464 Sealing members  
A sealing member for insertion into a bore of a pipe comprising a flexible inflatable toroidal bag which when inflated expands radially outward to contact the bore of the pipe and expands radially...
4152926 Method and apparatus for testing the connections between pipe segments  
A method and apparatus of testing the connections between the pipe segments comprising a string of pipe being snubbed into a well under pressure immediately before such connections are forced into...
4113242 Releasable, high-pressure seal and method of forming same  
A releasable, high-pressure seal is formed between axially aligned conduits each fitted with an end flange. One of the end flanges is relatively rigid. The other end flange is relatively resilient...
3923311 Structural polyurethane foam system with an inorganic alkaline sealant suspended therein  
This disclosure teaches a system for placing structurally an inorganic alkaline sealant (such as portland cement) by dispersing the alkaline sealant in a polyurethane foam material. The foam...
3917285 Collar for joint of underground pipe  
A method for joining nonmetallic pipes underground, with the pipes having mating pairs of bells and spigots, by fitting between mating spigots and bells dry distortable bands of an open celled...
3853127 ELASTIC SEALING MEMBER  
A method and apparatus is provided for closing a perforation in an elastic sealing member upon the withdrawal of a penetrating instrument therefrom. Means are provided for generating a non-uniform...
3788080 METHOD OF CONSTRUCTING CONCRETE MANHOLES HAVING SEALED JOINTS WITH PIPES CONNECTED THERETO  
A method of effecting a joint between a pipe and underground manhole walls or the like utilizes an adapter ring secured and sealed in an aperture of the manhole wall and having an internal diameter...
3730537 METHOD AND APPARATUS UTILIZING HANDLED SEAL FOR SUBMERGIBLE COUPLING  
Seal method and apparatus for use in a submerged coupling and including a generally annular seal operable to be interposed between two conduit couplings. A bifurcated alignment web connected with...
3545773 END SEAL FOR SPLICE CASE  
3531236 METHODS AND APPARATUS FOR COMPLETING OIL AND GAS WELLS  
Matches 101 - 150 out of 158 < 1 2 3 4 >