Abstract: A wellhead arrangement includes a valve tree arranged on a wellhead and a seal carrier with at least one seal. The valve tree includes an isolation sleeve. The seal carrier is arranged between the wellhead and the isolation sleeve.

Abstract: A gasket is provided which gives stable sealing performance even when an insertion member is inclined with respect to an insertion hole. The gasket includes a body portion 121 which is to be fixed in close contact with an inner peripheral surface of an insertion hole 810 while being spaced apart from an insertion member 900, and a flexible portion 122 which is flexurally deformable and provided to extend from the body portion 121 toward an inner peripheral surface side of the body portion 121. The flexible portion 122 is flexurally bent by being pressed by an extended surface portion 920 of the insertion member 900 and comes into close contact with the extended surface portion 920 while being spaced apart from each of a housing 800 and the insertion portion 910.

Abstract: An end-fitting and an unbonded flexible pipe, where the unbonded flexible pipe includes from the inside and out an internal pressure sheath, at least one armor layer and an outer sheath, the end-fitting further includes a sealing element. The sealing element includes a seal casing concentrically arranged around the internal pressure sheath, the seal casing includes a recess in which a first sealing element is concentrically arranged around the internal pressure sheath such that the surface of the first sealing element at least forms a line contact with the internal pressure sheath, and a second sealing element is concentrically arranged around the internal pressure sheath in the recess such that the surface of the second sealing element at least form a line contact with the surface of the seal casing and form a line contact with the surface of the first sealing element.

Abstract: A wire harness, wherein: the holder surrounds the electric wire and is inserted into the end of the pipe, a groove extending along a circumferential direction of the holder and facing an inner circumferential surface of the pipe is provided on an outer circumferential surface of the holder, and the end of the pipe is crimped and the holder is flexurally deformed, whereby the inner circumferential surface of the pipe and the outer circumferential surface of the holder are brought into intimate contact with each other, and an inner circumferential surface of the holder and an outer circumferential surface of the electric wire are brought into intimate contact with each other, a crimped portion of the end of the pipe being reduced in diameter inward in a radial direction of the pipe and being engaged with the groove of the holder.

Abstract: The present disclosure is generally directed to processes and apparatuses for use in forming one or more flow channels within a prefabricated manhole assembly. More specifically, an exemplary apparatus embodying various aspects of the disclosure may contain a rigid channel form with a closed top portion, a curved bottom portion, a first end, and a second end. The apparatus may also contain a bung(s) removably positioned into an exterior hole through a sidewall of the prefabricated manhole that may receive one end of the channel form, the bung(s) interior end may further have an open-ended U-shaped slot. A sliding wedge may be used to engaged/disengage the flow channel form.

Abstract: A sleeve assembly for poured concrete decks has a tubular sleeve connected to a base flange by stiffeners or an optional base wall. An intumescent ring and fire ring plate are fastened to the base flange. The stiffeners and optional base wall are configured so concrete passes between the stiffeners to entrain a fire ring plate and ring of intumescent material in the concrete by passing through a gap between the base wall and the sleeve or through open windows in the base wall to entrain the base wall when it is present.

Abstract: A wire harness including an electric wire that has a core wire and a core wire coating that coats the core wire, a connector that is attached to an end of the electric wire, and a seal that is interposed between the electric wire and the connector, wherein a tube with a modulus of elasticity higher than that of the core wire coating, and an outer coating that coats the tube from an outer side are provided between the electric wire and the seal.

Abstract: A gasket for preventing the separation of a pipe joint formed between plastic pipes such as pipes manufactured from PVC. The invention provides an internally restrained pipe joint including a bell with a substantially V-shaped annular groove. The annular groove includes a front radial wall and a rear radial wall and a gasket seated in the annular groove. The gasket includes an inner radial face, an opening defined by the inner radial face and an outer radial face with a front radial section located adjacent to the front radial wall of the annular groove and a rear radial section located adjacent to the rear radial wall of the annular groove. A plurality of toothed, rigid restraining segments is at least partially embedded in the gasket.

Abstract: A flashing hood for utility lines passing through a wall of a building has a plate body with a plate opening surrounded by an enclosed hood body. The bottom of the enclosed hood body has a sidewall with a seal-receiving profile and a cover-receiving profile spaced from the plate body and above the seal-receiving profile. The enclosed hood body has a removable seal that engages the seal-receiving profile, the removable seal having a sealing profile that seals against one or more utility lines when installed. The hood body also has a removable cover that engages the cover-receiving profile and secures the removable seal in engagement with the seal-receiving profile. The sidewall, the removable seal, and the removable cover define an enclosure. When the removable cover and seal are removed, the sidewall defines an access opening that surrounds the plate opening.

Abstract: A housing component includes a line segment of a hydraulic line. The line segment has at least one channel that opens into a widening. The widening extends to outside of the housing component. A spatially limited sealing surface enclosing the channel is provided in the widening. A seal comprising an adhesive is joined to the sealing surface at least adhesively. A method for manufacturing such a housing component includes layered manufacture of the sealing surfaces.

Abstract: A sealing system (100) that includes a first component (112), a second component (114) and a polymer seal (116) positioned in a seal recess (118) in the first component. A TWSMA member (122) is positioned in the seal recess (118), wherein the TWSMA member (122) has a retracted shape (122R) and an expanded shape (122E), the TWSMA member (122) transitioning from the retracted shape (122R) to the expanded shape (122E) at a temperature that is less than an installation temperature when the polymer seal (116) and the TWSMA member (122) were positioned in the seal recess (118).

Abstract: A reactor pressure vessel includes a reactor pressure vessel body, a nozzle structure connected to the reactor pressure vessel body, a conduit structure connected to the nozzle structure, and a restraint device attached around a portion of the conduit structure. The restraint device includes collar parts that have cross sections corresponding to respective segments of a periphery of the portion of the conduit structure, brackets attached to the nozzle structure, and rods connecting the brackets to the collar parts. The collar parts are connected end-to-end to each other such that a cross section of the collar parts connected to each other corresponds to the periphery of the portion of the conduit structure. The collar parts are pinned to each other. The brackets spaced apart from each other around a periphery of the nozzle structure.

Abstract: Some embodiments of the present disclosure disclose a pluggable optical module, comprising a housing and an electromagnetic interference shielding clip clamped on the housing; a conductive member is provided between the housing and the electromagnetic interference shielding clip; and when the pluggable optical module is inserted into an optical module cage, the conductive member can block a gap between the housing and the electromagnetic interference shielding clip.

Abstract: The gasket of the present invention is mainly comprised of a pressure-sensitive adhesive sheet containing a non-halogenated flame retardant, and at least one surface thereof is a pressure-sensitive adhesive face of the pressure-sensitive adhesive sheet containing a non-halogenated flame retardant. According to the present invention, a highly flame retardant gasket having practically sufficient tight-sealing property, which does not produce a toxic halogen gas during combustion can be realized. In addition, a highly flame retardant gasket having practically sufficient tight-sealing property, which does not produce a toxic halogen gas during combustion, and does not cause corrosion and discoloration of a metal member to be an adherend can be realized.

Abstract: An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a tubular body connecting the pin and the box; and an elastomeric seal disposed in a groove of the box. Each of the pin and box has: a torque shoulder; and a thread. The pin has an asymmetric protrusion formed on an inner surface thereof.

Abstract: An isolation gasket that includes a metal core (100) defining an inner serrated annular section (105) that is radially spaced from an outer serrated annular section (110); and an annular groove (115) formed between the inner and outer serrated annular sections; and a first material (135) accommodated in the annular groove (115). In certain embodiments, a second material (125) is coupled to the inner serrated annular section (105); and a third material (130) is coupled to the outer serrated annular section (110). In one embodiment, the second material (125) has a first thickness (160) and the third material (130) has a second thickness (165) that is less than the first thickness (160). In one embodiment, the metal core (100) defines a first inner diameter (180) and the second material defines a second inner diameter (157) that is less than the first inner diameter (180).

Abstract: A decoupling element, for decoupling a fuel injection valve from a cylinder head, includes a body that, in the mounted state, surrounds a housing of the fuel injection valve. The body is fashioned to include a cylinder-side support region to be supported on the cylinder head, and a valve-side support region for supporting the fuel injection valve. When the fuel injection valve is supported at the valve-side support region, the body is loaded with pressure. Only the cylinder-side support region of the body is fashioned in the shape of a closed ring, which connects segments of the body distributed around a circumference. The decoupling element enables the reduction of the transmission of noise from the fuel injection valve to the cylinder head.

Abstract: An annular sealing material seals a pipe joint between a socket and a spigot. The sealing material includes a bulb part which is composed of a first bulb, a second bulb located closer to the inner side of the socket than the first bulb, and a narrow part present between the first and second bulbs. The first bulb is pressed against the inner circumferential surface of the socket. The second bulb is pressed against the outer peripheral surface of the spigot. The second bulb is inclined towards the pipe center from the first bulb in a natural state before it is provided between the socket and the spigot. The inner diameter of the second bulb is smaller than the outer diameter of the spigot in the natural state. The second bulb is extensible in the pipe diameter direction due to elastic deformation of the narrow part.

Abstract: Sealing devices are provided as configured for use with cathode devices of an electrolytic cell for production of aluminum. In particular, the seals are specifically configured to provide an outlet seal for the cathode bars. The sealing devices are made of a material that is elastic, gas-proof, and heat-proof, and can create a hermetic seal around the cathode bar in such a way as to be able to move synchronously or asynchronously with the movement of the cathode bar as it undergoes thermally induced movement during aluminum production.

Abstract: A sealing ring for connecting a belled end of a female pipe to a spigot end of a male pipe is disclosed. The sealing ring includes a sealing portion joined to a restraining portion. Preferably the sealing portion is made of an elastomeric material and the reinforcing portion is made of a polymer and does not include a metal reinforcement.

Abstract: A expandable fenestration flashing product for an opening in an exterior surface of a structure includes a generally planar unitary flashing shaped to conform to the exterior surface, the flashing configured to extend outwardly from an entire perimeter of fenestration, and an inner portion configured to flexibly seal to the inner surface of the fenestrations. The expandable fenestration flashing product is formed as a unitary structure of a waterproof, expandable material. A method of integrating an expandable fenestration flashing product into an opening of an exterior surface of a structure includes securing the expandable fenestration flashing product described above onto the exterior of a structure about the fenestration, and pressing and securing the fenestration product at least partially into the fenestration.

Abstract: A pitot tube includes a substantially cylindrical body portion having an interior defining a flow passage and a tip portion extending along a pitot tube axis from the body portion. The tip portion includes a disk, a tip cover and a high thermal conductive insert disposed between the disk and the tip cover and in thermal contact with both.

Abstract: Downhole cable termination apparatus for terminating a cable that is to extend into a downhole environment from a tubing hanger to electrical equipment, the apparatus including: an electrical contact for electrical engagement with a conductor of the cable to form a termination, which, in use, is to be electrically insulated by an insulating portion; and a housing defining a chamber for receiving the insulating portion and in which the internal pressure is isolated from pressure in the downhole environment.

Abstract: Apparatus facilitating successive installation of casing sections endwise in a well, that includes hanger structure sized for installation at a well head, the hanger structure having a vertical through opening via which successive casing sections are installable vertically in the well, the hanger structure having vertically spaced shoulders for landing casing sections, there being adjustable structure for enabling controllable adjustment of hanger length, whereby uncemented casing weight is applied on the hanger structure.

Abstract: A magnetic flowmeter flowtube assembly includes a conduit with a first end and a second end. A first neck flange is coupled to the first end of the conduit and has an inside diameter with a first notch extending radially outwardly therefrom. A second neck flange is coupled to the second end and has an inside diameter with a second notch extending radially outwardly therefrom. A fluoropolymer liner is disposed within and extends through the first neck flange, the conduit and the second neck flange. A pair of electrodes is mounted relative to the liner to measure a voltage induced within a process fluid flowing through the liner. A first spring-energized seal ring is disposed in the first notch and a second spring-energized seal ring disposed in the second notch. A method of sealing a magnetic flowmeter having a fluoropolymer liner is also provided.

Abstract: A seal for sealing a cable anchor device (4) to a structural element (1, 3), the cable anchor device (4) being arranged to anchor at least one cable (2) to the structural element (1,3) and having a front surface (15) facing an opening (6) of the structural element, through which front surface the at least one cable (2) extends towards the exterior of the structural element, characterized in that the seal comprises a sleeve (12) which extends from a perimeter of a surface of the structural element including the opening (6) of the structural element to a perimeter of a hermetic portion of the anchored cable (2) comprising at least the front surface (15) of the anchor device (4).

Abstract: A packer is for use in a cable gland. The packer is formed from an elastic material including coarse-grained particles of a hardness sufficient for engagement with the surface of a cable, which has been inserted into the cable gland, when pressure is applied around the packer, whereby the packer substantially prevents the cable from slipping in the cable gland. A packer is used together with a cable gland.

Abstract: A sealing assembly for a downhole device has first (12) and second sealing (22) components which are urged together to make up the assembly such that a first sealing surface (34) on the first component radially presses a lip member (44) on the second component to change the angle of a second sealing surface (45) in the connected assembly. The components are urged together by a driving member (60) which can have screw threads that cooperate with the first component. The lip may be annular and may be formed by an undercut or recess (42) radially inwardly or outwardly of the lip member, allowing the lip member to bend radially inwards into the recess, during insertion of the second sealing component into the first.

Abstract: A gasket insertion cradle with a bottom frame portion configured to align a gasket between opposing flanges of a flange assembly and capable of being removed from the flange assembly by simply rotating the frame portion free once the gasket is within ring grooves of the opposing flanges. Gasket insertion devices may have a top portion hinged to the cradle and configured to secure a gasket between the top portion and the cradle during installation.

Abstract: The present invention relates generally to furnace systems and more particularly, but not by way of limitation, to a split-ring assembly for sealing a junction between a catalyst tube and a furnace. In one aspect, the present invention relates to a ring-seal assembly. The ring-seal assembly includes a housing ring coupled to an outer surface of a furnace. The housing ring is disposed around a circumference of a tube proximate a junction with the furnace. The ring seal assembly further includes a brush seal that is at least partially disposed within the housing ring. The brush seal is disposed around the circumference of the tube. A plurality of brushes extend radially inwardly from the brush seal towards the tube.

Abstract: A fluidic processor includes a first sealing member having a first sealing face, a first compressive face and at least one first sealing member fluid conduit; a second sealing member having a second sealing face, a second compressive face and at least one second sealing member fluid conduit; the second sealing face of the second sealing member being sealingly and slidingly engaged in a substantially fluid tight manner with the first sealing face of the first sealing member; and at least one actuator mechanically engaging at least one of the first sealing member and the second sealing member, or an XY stage, or mechanism that provides motion in two axes on one sealing member only.

Abstract: A fluid injector includes a body associated with an outlet of the injector. An inlet tube is coupled to the body and has an open end for receiving fluid to be injected. An inlet cup has an open end and covers the open end of the inlet tube and also covers a portion of the body. The injector includes sealing structure including a primary seal providing a seal between the inlet cup and the inlet tube, a secondary seal between the body and the inlet cup and constructed and arranged to prevent liquid that is external to the injector from entering an interior of the injector through the open end of the inlet cup, and a surface feature on the body or on the inlet cup constructed and arranged to compress a portion of the secondary seal between the inlet cup and the body.

Abstract: A measuring tube for a flow measuring device, wherein the measuring tube has a lining, wherein the lining has at least one sealing lip, which sealing lip serves to provide a sealing action between the measuring tube and a pipeline section adjoining the measuring tube in the installed state.

Abstract: An assembly (500) is provided including: a first component (10) having a first outer surface (15) defining an opening therein; a second component (30) having second surface (60); and a sealing system (100). The sealing system includes a sealing member (200) and a support member (300). The sealing member is configured for providing sealing between the first component and the second component with respect to the opening and along a generally non-planar sealing perimeters. The support member is configured for supporting the sealing member in a generally non-planar configuration corresponding to the generally non-planar sealing perimeter. At least one of the second component and the support member is configured for enabling the sealing system to be mounted to the second component in a sealing position wherein to align the sealing member with the second component along the sealing perimeter.

Abstract: A pressure transmitter system for measuring a pressure of a process fluid in an industrial process includes a pressure transmitter having a pressure sensor. A process fluid passageway having a circular opening is configured to couple pressure of the process fluid to the pressure sensor. A concentric seal support structure extends around the circular opening comprising an annular recess. An annular stress riser is positioned radially inward from the annular recess. A seal material fills the annular recess and contacts at least a portion of the annular stress riser.

Abstract: An apparatus and method for sealing an electrical connection, such as a connection between two electrical extension cords, thereby protecting the electrical connection from moisture or water intrusion. The electrical connection is surrounded by a flexible, substantially water-impermeable material, such as a plastic sheet. The sheet has strips of adhesive around its perimeter. The sheet is wrapped around the electrical connection such that adhesive on one portion of the sheet is joined to adhesive on another portion of the sheet to form a sealed volume that surrounds the electrical connection. The electrical connection also may be sealed within a plastic sleeve having adhesive strips along the inside edge of the opening at each end of the sleeve. The sealing apparatus is a temporary, disposable, one-time use item that quickly and easily seals connections between extension cords, such as three-prong plug-in type extension cords used outdoors at concert venues, sporting events, construction sites and the like.

Abstract: The invention relates to an arrangement (10) for sealing off a joint area (1) between a first joint partner (20, 200) and a second joint partner (30, 300) by means of at least one elastic sealing element (18, 180) disposed between a first sealing surface (12.1) of the first joint partner (20, 200) and a second sealing surface (12.2) of the second joint partner (30, 300), and an associated method for sealing off the joint area (1) between a first joint partner (20, 200) and a second joint partner (30, 300). According to the invention, at least one reservoir (14) for an anticorrosion agent (16) is introduced in a sealing zone (11) of the first and/or second sealing surface (12.1, 12.2), wherein the sealing element encloses the reservoir (14) together with the first and/or second sealing surface (12.1, 12.2).

Abstract: A method and assembly for reducing a radial gap between radially proximate components including a setting member having a first dimension that partially defines the radial gap, the setting member including a circumferential groove extending radially from the first dimension, and a first toroid having a second dimension, the setting member operatively arranged to engage with the first toroid, wherein increasingly engaging the setting member with the first toroid enables a boundary dimension of the assembly to be extended toward the radial gap for reducing the radial gap, the circumferential groove operatively arranged to catch the first toroid when the setting member is fully engaged with the first toroid.

Abstract: In general, a connector designed to slip on a tubular, or an extension thereof, may be locked onto the tubular and a seal created around the tubular to keep pressure trapped inside the tubular. Generally, the connector is slipped over and makes contact with the tubular via a sliding sleeve seal cover. In certain embodiments, when sufficient force is placed on the connector, one or more shear pins, which are holding the sleeve, are sheared, allowing the connector to be lowered onto the tubular and the seal to make contact with the tubular. The connector may be locked onto the tubular by means of a one piece slip energized by a cam typically held in place mechanically by one or more ratchets.

Abstract: Sealing apparatus for applying corrosion prevention compound in the gap between flanges without using heat consists of 3 units including hydraulic power unit, compound injection cylinder unit, and flange belt unit. The present invention is used to apply corrosion prevention compound in the gap between flanges without using heat for melting the compound before sealing. The compound injection cylinder unit comprises two integrally formed cylinders sharing one connecting rod wherein the lower cylinder defines the hydraulic cylinder and the upper cylinder defines the compound injection cylinder. The compound injection cylinder unit is vertically formed on a pushcart provided with wheels for manual transportation. A threaded coupler is provided on top of the lid of the compound injection cylinder for connection with a hose for transferring the compound to the inlet on the flange belt unit. The flange belt unit is provided in various diameters from 2-24 inches.

Abstract: Disclosed herein is a bulkhead sealing assembly including, a sealing-function group having a base plate, an outer sealing portion, and at least one inner sealing portion. The bulkhead sealing assembly further includes an elastic tolerance compensation member and a receiving memberformed as a flange surface of a housing of a vehicle air-conditioning system. The bulkhead sealing assembly has a tolerance compensation function for at least one connector through-portion which penetrates a vehicle bulkhead.

Abstract: Systems and methods for providing seals around the motor leads and other conductors in ESP's. In one embodiment, elastomeric boot seals are positioned within annular spaces around motor leads in an ESP motor. When the motor is filled with dielectric oil, the elastomeric material of the boot seals absorbs some of the oil and swells. High temperatures may also cause the material of the seals to expand. Retainers which are not subject to swelling are positioned around the boot seals, thereby preventing the boot seals from expanding away from the leads. The retainers thereby maintain the seal of the boot seals against the motor leads.

Abstract: A ultra-violet liquid processing device comprises a liquid processor, a lamp holder, a latching mechanism provided within the lamp holder, and a lamp holder fixed cover provided with a lock hole therein. The latching mechanism comprises a locking dog able to extend from or retract into the lamp holder and a water nozzle blocker. When the lamp holder is pressed on the liquid processor and connected with the liquid processor by lamp holder fixed cover, the locking dog projects from the lamp holder and enter into the lock hole of the lamp holder fixed cover, so that the lamp holder fixed cover is locked and cannot move. By means of the lamp holder fixed cover being locked by the latching mechanism and not able to be moved, the ultra-violet liquid processing device is sealed reliably by means of the substantial structure.

Abstract: A pipe sealing gasket is shown which is designed to be received within a raceway provided within a socket end of a female bell plastic pipe end which is assembled with a mating male pipe end to form a plastic pipe joint. The raceway is preformed about the gasket during the pipe belling operation. The gasket has a rubber body portion which is reinforced by a hard plastic band formed as a series of integral, spaced wedges which are interconnected by a flexible ribbon. The hard plastic band acts to prevent extrusion of the gasket during a variety of pressure conditions as well as preventing displacement during field assembly.

Abstract: A pipe sealing gasket is shown which is designed to be received within a raceway provided within a socket end of a female bell plastic pipe end which is assembled with a mating male pipe end to form a plastic pipe joint. The raceway in the female bell plastic pipe end is preformed during manufacture and the gasket is installed thereafter. The gasket has a rubber body portion which is reinforced by a hard plastic band formed as a series of integral, spaced wedges which are interconnected by a flexible ribbon. The hard plastic band acts to prevent extrusion of the gasket during a variety of pressure conditions as well as preventing displacement during field assembly.

Abstract: A gasket system is described for use with a conduit and junction box dust-tight seal assembly. The seal assembly includes a two-piece split clamp, each clamp having a shaft portion, a flange portion, a locknut cavity portion and lip portion. The gasket system includes one or more of a shaft gasket, a flange gasket, and a lip gasket that are mounted on and are used in conjunction with the overall seal assembly.

Abstract: The present disclosure generally relates to a toilet seal that is adaptable to conduits of different size. In one embodiment, the seal includes an integral sealing element coupled to an end of the sleeve. A modular sealing element is further disposed about the integral sealing element. The modular sealing element and integral sealing element are removable to thereby adapt the seal to conduits of different size. In another embodiment, the seal includes a first integral sealing element coupled to an end of the sleeve. The seal further includes a second integral sealing element coupled to the first integral sealing element. The first and second integral sealing elements are removable to thereby adapt the seal to conduits of different size. Related methods are described.

Abstract: A system seals a filter or equipment component to abase and will continue to seal the filter or equipment component to the base in the event of hot air or fire. The system includes a first sealing material between the filter or equipment component and the base; and a second sealing material between the filter or equipment component and the base and proximate the first sealing material. The first sealing material and the second seal material are positioned relative to each other and relative to the filter or equipment component and the base to seal the filter or equipment component to the base and upon the event of fire the second sealing material will be activated and expand to continue to seal the filter or equipment component to the base in the event of hot air or fire.

Abstract: A sealing system of a burner basket in an ammonia oxidation burner, wherein the burner basket has a wall that is anchored in the ammonia oxidation burner and the burner basket has a gas-permeable bottom plate, which is placed on further internal fittings of the ammonia oxidation burner and has a peripheral rim, wherein the wall and the gas-permeable bottom plate are not mechanically connected to each other, and so there is a gap between the wall and the peripheral rim of the bottom plate, wherein at the peripheral rim of the bottom plate a rim seal that is made up of individual segments is mounted movably by way of guiding pins and the rim seal projects over the gap between the peripheral rim of the bottom plate to the wall and lies against the wall.

Abstract: A system for transmitting electric power through a wall, including a housing intended for being rigidly connected to the wall, and two penetrator sub-units on either side of the housing, each including a conductive element and an insulating element rigidly connected to one another. The system is arranged so as to maintain electrical contact between the conductive elements of the penetrator sub-units while enabling the conducting elements to move axially relative to one another. The insulating elements of the two penetrator sub-units engage with the housing such that the compression forces to which each penetrator sub-unit is exposed are at least partially transmitted to the housing.