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Class 174/151 - Through wall or plate


Subclass of Class 174 - Electricity: conductors and insulators
Definition: Devices for insulating a conductor from a wall or plate
No. of patents: 199
Last issue date: 10/18/2011


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NumberTitleIssue Date
4599487Cable gland
A gland which is installed in the hole of a wall between two different atmospheres to prevent the leakage of a fluid from the one side to the other side of the wall along the outer sheath of an electric cable has a tubular metallic housing which is sealin...
07/08/1986
4592616Connector for coaxial television cable
A connector assembly for coaxial television cable used especially for signal connection between two housing mounts. A conductor rod has a multiple-land dielectric spool molded centrally between the ends leaving exposed conductive ends extending from the s...
06/03/1986
4507521High pressure electrical conductivity probe
A high pressure electrical conductivity probe generally used as a liquid level indicator having a high pressure mechanical seal between an insulator and a metal mounting body and an electrode connector. The high pressure mechanical seal is effected using ...
03/26/1985
4454381Method and a device for connecting electric cables used in a hydraulic system
A connector for electric cables used in a hydraulic control system of an automatic transmission includes a sealing member comprising a cylindrical sealing outer cylinder adapted to be fixed in a hole formed in the housing of the hydraulic control system a...
06/12/1984
4427842Feedthrough apparatus
A feedthrough apparatus for passing signals through a bulkhead. The feedthrough apparatus has a header shell with a header shell opening therethrough with a swage duct inserted in the header shell opening. An end of the swage duct extends out of the heade...
01/24/1984
4420456Mounting of power conductor and instrument lead penetrations for nuclear reactor installations
A mounting for power conductor and instrument lead penetrations in nuclear reactors provides a device that is simple, compact and at the same time easily installed, repaired or replaced. The mounting comprises a cylinder like, stepped housing which is to ...
12/13/1983
4371588Electrical insulating material with hermetic seal
A material is provided for producing a hermetic seal with a member made from one of the following: titanium, titanium alloys, platinum, chromel, Alumel, stainless steels and Inconel. The material is particularly adapted to be used with titanium, titanium ...
02/01/1983
4364210Fire barrier device
Penetrations or passageways through fire resistant walls, floors, partitions and ceilings are frequently necessary to provide for present or future pipes, cables or conduits. A device fixed to the walls of the penetration provides a barrier to prevent the...
12/21/1982
4334729Penetrator assembly
An electrical penetrator assembly for conveying electrical wires through a wall which separates a hostile environment from an adjacent environment suitable for access by human operators. The assembly comprises a unique modular construction formed by a plu...
06/15/1982
4313030Electrical penetration apparatus and method of making same
An electrical penetration apparatus is described for mounting within a containment wall of a nuclear reactor installation to pass electrical currents while avoiding the outward leakage of radioactive gasses, which can be constructed at relatively low cost...
01/26/1982
4309568Bushing for electrical leads
An electrical bushing is provided to facilitate the passage of electrical conductor leads from thermocouples or the like through a pressure barrier. The bushing includes a casing and a deformable, resilient, elastic plug which is disposed in a central con...
01/05/1982
4267401Seal plug
A seal plug for conduits is disclosed having a plug core including at least one radially-expansible seal member for sealing the conduit in which it is disposed, while permitting passage of cables or the like therethrough. Until required for the cable or c...
05/12/1981
4262166Sealed inlet for bunched conductors
A sealed inlet for bunched conductors comprises a resilient sleeve located inside a body having a flange on one of its ends, the sleeve following the shape of the body and having a flange on one of its ends tightly pressed against the body flange. Located...
04/14/1981
4256920Re-enterable duct seal
A re-entrable duct is provided through which a cable is adapted to penetrate a wall, e.g., of an environmentally controlled manhole. The re-entrable duct includes a duct pipe, e.g., a length of steel pipe, through which the cable passes. A resilient annul...
03/17/1981
4255616Cable support assembly for electrical penetration assembly for reactor containment
A cable support assembly for the electrical cables between sealed electrical penetration assemblies within a reactor penetration nozzle has been detailed. The cable support assembly is anchored at one end and slidably movable at the other end to provide f...
03/10/1981
4252993Capacitance probe
There is disclosed a capacitance probe and sealing gland assembly of an improved construction which permits facile manufacture, applicable to a variety of capacitance probe rod diameters. The construction employs a continuously insulation-coated probe rod...
02/24/1981
4251680Electrical lead-through apparatus
An arrangement for mounting lead-through conductors is disclosed. A ceramic plate is sealed between two steel flanges. The conductors pass through the ceramic plate and are sealed on both sides. When one side of the plate is exposed to high pressure, low ...
02/17/1981
4249353Fire barrier assembly for electrical cable
The fire barrier assembly is comprised of a frame through which one or more electrical cables may be passed and a plurality of sealing elements clamped in the frame in contact with each electrical cable and the frame to provide an airtight barrier. Each e...
02/10/1981
4237336Device for passing electrical and power installation conductors through protective shell separating clean zone from contaminated one and method of assembling same
The present invention relates to the field of electrical engineering. A device for passing electrical and power installation conductors through a protective shell separating a clean zone from a contaminated one comprises a hollow metal casing in the form ...
12/02/1980
4227043Sealing device for portions of electric cables in the holes of housings of electric motors or the like
That part of the sheath of an electric cable which extends through a hole in the housing of a submersible pump motor is surrounded by a metallic sleeve having end portions of reduced diameter. Such end portions and the adjacent portions of the sheath are ...
10/07/1980
4213004Hermetic electrical feedthrough for aluminum housing and method of making same
A leak-tight joint between a Kovar ceramic feed-through and an aluminum housing is obtained by electron beam welding a short length of the outside surface of the Kovar cylindrical shell of the feedthrough to a region of nickel deposited on a thin wall cyl...
07/15/1980
4179319Heat recoverable article and methods using same
A laminated sealing article comprising a layer of adhesive sandwiched between a pair of cross-linked, dimensionally heat unstable wafers of polymeric material. The article is provided with a plurality of apertures adapted to receive a corresponding plural...
12/18/1979
4168394Electric penetration assembly
An electric penetration assembly for passing electrical conductors through the wall of a pressure vessel has at least one hermetically sealed electric feed-through conductor surrounded by an insulator. The insulator is symmetrical about an axis parallel w...
09/18/1979
4137558Instrument probe assembly having continuous probe insulation
There is disclosed a probe assembly suitable for mounting in a pressure vessel and the like which has an elongated probe member with a continuous and unbroken insulation coating that is received within an assembly body. The latter has attachment means to ...
01/30/1979
4107456Electrical penetration assembly
An electrical penetration assembly is disclosed for providing a vapor and pressure seal between a conductor passing through two freestanding walls of a nuclear reactor containment which are subject to relative movement due to a seismic event. Penetration ...
08/15/1978
4104484Conductor lead-through
A conductor lead-through for elongated bodies, such as electric current conductors, which conductor lead-through is vacuum tight and contains no welded joints and is particularly suitable for use with difficultly weldable or non-weldable combinations of m...
08/01/1978
4088381Interconnector
An interconnector for installation in an opening in a wall to provide at least one electrical connection through said wall, and a method for making same. The interconnector comprises a one piece tubular metal shell, at least one conductor within said shel...
05/09/1978
4061344Fitting for penetration through fire rated barriers
Penetrations or passageways through fire rated or fire resistant walls, floors, partitions, and ceilings are frequently necessary to provide for present or future pipes, cables or conduits. A fitting placed in the penetration provides a seal to prevent th...
12/06/1977
4058671Electrical penetration assembly
An electrical penetration assembly for a nuclear reactor containment wall in which solid copper conductors are removably mounted into the penetration canister from outside the containment wall. Each conductor is mounted in a feedthrough pipe by glass-seal...
11/15/1977
4054744Seal for an instrument probe assembly
There is disclosed an instrument probe assembly having a positive seal to prevent invasion of process fluids into the cavity of the assembly body. The instrument probe assembly comprises an elongated probe member which projects from a through passageway o...
10/18/1977
4041240Electrical feed-through assembly and method of making same
An electrical feed-through assembly adapted to be directly connected to a bulkhead assembly for conducting high voltage electrical energy between a low pressure and high pressure area. A hollow casing is removably connected by conventional means of packin...
08/09/1977
4035575Unitary resinous penetration assembly
An electrical penetration module formed of a unitary resinous material about the electrical conductor, with the resinous material compressively sealed to the conductor along its length. Mounting means are integrally formed in the exterior surface of the u...
07/12/1977
4029893Double-wall cryostat having electrical connections
A double-wall cryostat formed by the interconnection of an inner wall and an outer wall in their upper part, the walls defining therebetween a hermetic enclosure in which there is disposed a detector element connected by an electrical connection to circui...
06/14/1977
4029373Means for wiring into a sealed enclosure
Improved apparatus for wiring through a wall of a sealed enclosure is disclosed. A printed circuit board is mounted on and extends through a slot in the wall, said board etched so that a plurality of conducting lines are provided from inside to outside th...
06/14/1977
4017568Technique for compression sealing electrical conductors in a right circular cylinder resin casting
By controlling the surface-to-volume ratio of a right circular cylinder resin casting and the heat sink characteristics of penetration elements, i.e., metal conductors, within the casting, the exotherm forces developed during curing of the resin casting c...
04/12/1977
4012282Multiple lead seal assembly for a liquid-metal-cooled fast-breeder nuclear reactor
A reusable multiple lead seal assembly provides leak-free passage of stainless-steel-clad instrument leads through the cover on the primary tank of a liquid-metal-cooled fast-breeder nuclear reactor. The seal isolates radioactive argon cover gas and sodiu...
03/15/1977
3998515Hermetic electrical penetrator
A hermetic electrical penetrator comprising a shell mounted in a single penetrator plate. A pair of axially spaced sealing members are sealed inside the shell defining a leak sensing chamber therebetween. One or more electrical contacts extend longitudina...
12/21/1976
3976825Lead-through for electric cables and the like
The invention comprises a lead-through for electric cables and the like which is fire-proof, gas-proof, and liquid-proof at a predetermined temperature. The cables extend through an opening in a ceiling, floor and/or wall. Guide strips encircle at least o...
08/24/1976
3956577Reinforced seal structure for an electrical penetration
An improved seal structure for an electrical penetration in which at least one conductor is sealed within a tubular metal enclosure member by a compressive setting resinous potting material. A seal shroud extends from the interior surface of the metal enc...
05/11/1976
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