With Provision To Restrict Environment Effects Patents (Class 439/519)
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Patent number: 6300574Abstract: A cap for protecting an electrical terminal from corrosion having a base which is insertable upon the terminal, a tapered section designed to guide and surround a mate to the terminal as it is being connected, and a removable top which protects the terminal before connection. The tapered section deforms during the connection operation to surround the mating terminal and seal the connection from corroding species.Type: GrantFiled: January 5, 1996Date of Patent: October 9, 2001Assignee: Lucent Technologies Inc.Inventor: John Philip Franey
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Publication number: 20010003687Abstract: In order to waterproof a terminal connecting portion of a sheathed wire, in which a terminal fitting and a bare conductor of the sheathed wire are connected with each other, the terminal connecting portion of the sheathed wire is placed into a molding cavity of a molding die such that a bottom face of the terminal connecting portion is closely brought into contact with one of inner faces of the molding cavity. Then molten molding resin is injected into the molding cavity such that a bottom face of a solidified molding resin and the bottom face of the terminal connecting portion define an identical plane.Type: ApplicationFiled: December 6, 2000Publication date: June 14, 2001Inventor: Masayuki Kondo
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Publication number: 20010003688Abstract: The terminal connecting portion is covered at a rear portion with the molding resin 30 such that the covered rear portion is shaped in fusiform, and when the sheathed wire 10 is bent at this portion, the resin thereon is less peeled off. The molding part 43 of the die 40 is closed at one side with the elastic lid plates 9a, 9b opposing at an upper part and a lower part each other, and the terminal connecting portion is set to the molding part 43, and a part of the sheathed wire 10 extending rearwards from one side of the molding part 43 is elastically held by the elastic lid plates 9a, 9b upwards and downwards. The molten molding resin 30 is injected into the molding part 43 to cover almost the whole of the terminal connecting portion. Radiating fins are formed in a slope of the tapered hole in one side of the mold, said radiating fins having a plurality of parallel alternate concave grooves and convex ribs so as to improve the radiating effect of the molding resin 30 and shorten a cooling time.Type: ApplicationFiled: December 11, 2000Publication date: June 14, 2001Inventor: Masayuki Kondo
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Patent number: 6220893Abstract: A waterproof, sealed splice connector includes a top cover connected to a lower section, providing a hollow interior for insertion of severed portions of an electrical cord therein. The severed portions are clamped within the splice connector and are connected to an electrically conductive connection, such as a terminal block. The splice connector may include sealed entry holes for the severed cord wire sections, to keep the splice connector waterproofed and safe.Type: GrantFiled: April 23, 1999Date of Patent: April 24, 2001Inventor: Gerard Stephan
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Patent number: 6217376Abstract: A dustfree protection cover is provided to be mounted on a connector of a wire harness. The dustfree protection cover is formed as a bag with the one end open, an adhesive tape provided with a release paper is attached to an inner side of the open end, and a notch is formed on one end of the opening. The notch extends downwardly from the upper end of the bag to a side end of a heat-seal closed area, and over a lower end position of the adhesive tape. The bag is placed over the connector, and wires extend through the notch, whereby, upon removal, the bag is pulled off and the heat-sealed closed area is torn away.Type: GrantFiled: July 1, 1999Date of Patent: April 17, 2001Assignee: Sumitomo Wiring Systems, Ltd.Inventor: Yoshimitsu Morita
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Patent number: 6188581Abstract: An expandable housing for plug-in protectors for accommodating printed wiring board of varying length. The improved housing comprises a shell unit and a base unit. Both the shell and base units have a hollow longitudinally extending body with an opening at the front and rear portions, respectively. On at least one of the inner sidewalls in the cavity of the body of the shell unit is a first set of teeth running horizontally to the longitudinal axis of the body. On at least one of the outer sidewalls on the body of the base unit is a corresponding second set of teeth running horizontally to the longitudinal axis of the body. The cavity of the base unit supports and receives a portion of a printed wiring board containing surge protective devices, which is connected to pins extending from the front portion of the body of the base unit.Type: GrantFiled: January 13, 1999Date of Patent: February 13, 2001Assignee: Avaya Technology Corp.Inventor: Bassel Hage Daoud
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Patent number: 6179658Abstract: A sealing arrangement (10) between an electrical connector (12) and an electrical conductor (14), such as an FPC, in which the electrical conductor extends through an aperture (18) in a housing (16) of the electrical connector, the sealing arrangement being positioned adjacent the aperture and comprising a flap member (22) which is pivotally mounted and movable between an open position and a closed position, the flap member being positioned on one side of the electrical conductor; a wall (20) positioned on the opposite side of the electrical conductor to the flap member; and a compressible seal (24) positioned around the electrical conductor; wherein, in the closed position of the flap member, the flap member, the wall and the electrical conductor lie in planes which are substantially parallel; and the seal is compressed between the flap member and the wall and partially extruded into the aperture. Easy assembly. FIG. 2 to accompany the abstract.Type: GrantFiled: July 26, 1999Date of Patent: January 30, 2001Assignee: Delphi Technologies, Inc.Inventors: Tarik Gunay, Wulf Bramesfeld, Udo Diedrich
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Patent number: 6135811Abstract: An RJ11 customer bridge assembly having a cover member for selectively closing a plug-receiving cavity and preventing unauthorized removal of the assembly from a building entrance protector box by blocking movement of a releasable latch member. Contaminated protective gel in the cavity is easily replaced by opening the cover member and blowing out the contaminated gel.Type: GrantFiled: September 1, 1999Date of Patent: October 24, 2000Assignee: Lucent Technologies Inc.Inventor: Bassel H. Daoud
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Patent number: 6129443Abstract: A strip-mounted luminaire (1) has a ribbon cable (11), to the front side of which sockets (12) are connected. An illuminant (13) is mounted on each socket (12). Each watertight cover mechanism (2) has a base member (51) which is provided with a window (72) adapted to permit a socket (12) of the strip-mounted luminaire (1) to be inserted therein; a back end member (52) for holding the ribbon cable (11) in conjunction with the base member (51) in such a state that the ribbon cable (11) is sandwiched between the base member (51) and the back end member (52); a translucent globe (53) adapted to be attached to the base member (51) so as to enclose the socket (12) and the illuminant (13); a first sealing member (54) for sealing and waterproofing the space around the socket (12); and a second sealing member (55) for sealing and waterproofing the gap between the translucent globe (53) and the base member (51).Type: GrantFiled: May 14, 1999Date of Patent: October 10, 2000Assignee: Moriyama Sangyo Kabushiki KaishaInventors: Kazuaki Murata, Katunori Sato
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Patent number: 6106323Abstract: An insulation piercing connector assembly is provided with a sealing cap mountable over the end of a cable and subsequently insertable between clamping jaws of the connector. The assembled sealing cap and end cable are clamped prior to termination by retaining plates for easier handling and more reliable termination. Insulation piercing contacts of the connector pierce through the body of the sealing cap and insulation layer of the cable during termination. The sealing cap arrangement enables the cable to be inserted between the clamping jaws from a side thereof which is particularly useful in confined spaces.Type: GrantFiled: June 21, 1999Date of Patent: August 22, 2000Assignee: The Whitaker CorporationInventors: Davide Elisei, Thierry Rousseau
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Patent number: 6077111Abstract: A protective mounting assembly includes an electrical connector having a erproof body surrounding and protecting a waterproof interface. Components' signal leads are coupled to the interface at a first side thereof. A rigid foundation is rigidly coupled to the connector's waterproof body. A rigid positioning platform is rigidly coupled to the rigid foundation and defines at least one mounting position for the components. The components are positively oriented relative to the mounting positions. An elastomer material encapsulates the rigid foundation, positioning platform, components and a portion of the waterproof body in such a way that the connections at a second side of the connector's interface are accessible from the exterior of the elastomer material.Type: GrantFiled: December 1, 1998Date of Patent: June 20, 2000Assignee: The United States of America as represented by the Secretary of the NavyInventors: Peter W. Machado, Edward C. Baccei
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Patent number: 6048224Abstract: An environmentally protected, substantially sealed connector for attachment to a cable having a plurality of electrical conductors which are terminated at an end thereof with a contact, including a housing having a floor with a plurality of apertures therethrough arranged in a predetermined pattern and a backshell extending from the floor of the housing and encompassing the extended axes of the apertures, the backshell having at least one bead portion protruding from an outer surface of the outer backshell and extending at least partially around the backshell. A plurality of electrical contacts are disposed within the housing, each of the electrical contacts having a portion extending through one of the apertures and adapted to mate with one of the contact-terminated electrical conductors. Each of the electrical contacts has a locking member for retaining the associated contact in a fixed relationship to the floor.Type: GrantFiled: October 9, 1997Date of Patent: April 11, 2000Assignee: Tekonsha Engineering CompanyInventor: Andrew W. Kay
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Patent number: 6036535Abstract: Cable tap connector (10) applied to a cable (12) at an end thereof. End cap (70) is urged over the cable end (72) for sealing thereof and includes projections (84) that seat in openings (82) of either the connector housing (20) or the connector cover (22).Type: GrantFiled: October 13, 1998Date of Patent: March 14, 2000Assignee: The Whitaker CorporationInventors: Robert Neil Whiteman, Jr., Earl William McCleerey, Robert Wayne Walker
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Patent number: 5975945Abstract: A network interface device (NID) provides an electrical interface between a cable and a local network (e.g., a number of telephones) of a telecommunications system. According to one embodiment of the present invention, high voltage/current electrical isolation is provided by conventional 5-pin plug-in protector that get inserted within the modular NID to form electrical connections, via a printed wiring board, with both cable-side and network-side interfaces. The plug-in protectors are inserted into a bath of gel that gets displaced and surrounds the seams of the protector, forming a water-resistant seal that inhibits moisture from entering the protector and adversely affecting protector operations. As such, NIDs of the present invention can be configured with plug-in protectors for outdoor applications, even though, under conventional NID specifications, plug-in protectors are limited to indoor applications and special potted protectors are required for outdoor use.Type: GrantFiled: August 29, 1997Date of Patent: November 2, 1999Assignee: Lucent Technologies Inc.Inventor: Bassel H. Daoud
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Patent number: 5876243Abstract: A switch box having a connector comprises eaves for covering an upper part of the connector, side water stopping walls for covering both sides of the connector, and an upper water stopping wall rising from a frontal edge of the eaves. When water splashes on the box from above, the water is guided to the side water stopping walls by the upper water stopping wall, whereafter the water flows down along the side water stopping walls. As a result, water flow to the connector can be prevented.Type: GrantFiled: May 28, 1997Date of Patent: March 2, 1999Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Shuhei Sangawa
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Patent number: 5613857Abstract: A waterproof construction of a wiring harness in which a plurality of splicing wires passed through a water immersion area likely to be subjected to water immersion in a motor vehicle and spliced with each other are bundled with other wires, comprising: a terminal which is attached to a distal end of one of the splicing wires; a connector which is disposed at a predetermined position such that the terminal is mounted in a spare terminal pocket of the connector; and a splice portion in which the one of the splicing wires is spliced with the remainder of the splicing wires at a location spaced a predetermined distance from the predetermined position of the connector and disposed in a water nonimmersion area not subjected to water immersion such that the splice portion is disposed in the water nonimmersion area at all times.Type: GrantFiled: December 7, 1995Date of Patent: March 25, 1997Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Takao Kawamura, Haruhiro Muto
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Patent number: 5549487Abstract: A splashproof enclosure for use in mounting the electrical control circuits for connecting electric power to a sensor operated electric actuator for a toilet room plumbing device such as an electronic faucet includes a base and a cover mounted on the base. The base is formed and adapted to mount on a toilet room wall and has a power cord opening so that a power cord may enter said enclosure from the rear. There are spacing channels on the side of the base facing the toilet room wall to space the base from the wall to allow fluid to flow behind the enclosure. There is a dam positioned on the upper side of the power cord opening and extending toward the toilet room wall to divert fluid around the power cord opening. The cover is attached to the base and there are seal elements between the cover and base preventing the entry of fluid into the interior of the enclosure. There are cable entrance ports in the cover and the base providing a plurality of openings for cables for the sensor and electric actuators.Type: GrantFiled: December 27, 1994Date of Patent: August 27, 1996Assignee: Sloan Valve CompanyInventor: Richard A. Nortier
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Patent number: 5482479Abstract: A water-resistant electrical connector includes a housing having at least one cavity dedicated to receive a terminal fixture and at least one cavity which is configured to prevent a terminal fixture from being inserted therein. Although both of the cavities are open at opposite ends of the housing, a wall closes up the cavity which is not to receive a terminal fixture constituting an electric circuit. This wall presents water from passing through the cavity from one side of the housing to the other. A fin also extends across this cavity from an open end of the cavity to the wall to thereby prevent a terminal fixture from being inserted in the cavity and into contact with the wall. A molding system can manufacture connector housings having various combinations of the cavities configured to receive a terminal fixture and cavities which prevent a terminal fixture from being inserted therein.Type: GrantFiled: August 25, 1994Date of Patent: January 9, 1996Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Hiroyuki Hayashi, Eiji Saijo, Shigekazu Wakata
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Patent number: 5447453Abstract: A mining cable coupler has a hollow, cylindrical body. There is an entrance fitting for an electrical cable at a first end of the body. A plate-like insulator mount extends over the body near the second end and has insulator receiving apertures with annular recesses extending thereabout and inwardly from the second end of the body. There is a plurality of separate, tubular insulators. Each insulator has an annular outer projection extending thereabout and received within one of the recesses of the insulator mount. There is an annular seal fitted between each recess and the insulator therein. There is an elongated electrical contact within each insulator. A metal member has a tube extending about each insulator. An inner portion of the member is against the insulator mount. The inner portion has an aperture for each insulator smaller than the annular outer projection thereof and closely fitted about each insulator adjacent the projection. Fasteners releasably secure the metal member to the insulator mount.Type: GrantFiled: March 30, 1994Date of Patent: September 5, 1995Assignee: Patton & Cooke Ltd.Inventors: Gary R. Smith, Greg E. Patton, David R. Forshaw, David A. Peare, Sean H. Peare
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Patent number: 5326273Abstract: An electric connection terminal can prevent electric ereosion caused in some equipment made of an aluminum material and attached to a car body for electric conduction of the equipment through the terminal such as an earth bracket which connects an earth line to the car body. The terminal comprises a first attaching member (1) made of an aluminum material and having a connecting portion (4) of a car body at the top end and a coupling portion (6A) at the bottom end, a second attaching member (2) made of a brass material and having a connecting portion (5) of an earth line at the top end and a coupling portion (6B) at the bottom end, and a water-proof layer (3) molded by a plastic resin for interconnecting said coupling portions (6A, 6B) of said first and second attaching members (1, 2) by embedding said portions (6A, 6B) in the plastic resin.Type: GrantFiled: April 14, 1993Date of Patent: July 5, 1994Assignees: Sumitomo Wiring Systems, Ltd., Honda Giken Kogyo K.K.Inventors: Shinji Kamon, Akihisa Mitsuishi, Masaru Shinmura, Toshiya Nishino, Kazunori Kurata, Toshihisa Sekido
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Patent number: 5318756Abstract: There is provided a terminal especially adapted for use with an electrically heatable catalytic converter having a stud, a portion of said stud being coated with a thin layer of refractory metal oxide, and a sleeve having an interference fit with said coated portion of said stud, said stud adapted to be welded at its proximal end to one side of a resistance circuit. There is also provided an electrically heatable catalytic converter including such terminal.Type: GrantFiled: August 17, 1992Date of Patent: June 7, 1994Assignee: W. R. Grace & Co.-Conn.Inventors: David T. Sheller, Gordon W. Brunson
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Patent number: 5239749Abstract: A method and apparatus for interconnecting cables to improve electrical characteristics of the connected cables. The apparatus comprises a terminal having clamping pieces integrally formed respectively on opposite sides of a base portion of the terminal. The conductor wires of the cables are arranged in layers on the base portion, and the clamping pieces are press-clamped in the direction in which the conductor wires are layered. The method comprises the steps of placing conductor wires of one cable on a base portion of a terminal having clamping pieces integrally formed respectively on opposite sides of said base portion; compressing the conductor wires so as to form a surface of the conductor wires into a flattened configuration; placing conductor wires of another cable on the surface in a layered manner; and press-clamping the clamping pieces in the direction in which the conductor wires of the two cables as layered one upon the other.Type: GrantFiled: September 30, 1992Date of Patent: August 31, 1993Assignee: Yazaki CorporationInventors: Hirohiko Fujimaki, Kazuhito Sano
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Patent number: 5238650Abstract: There is provided a terminal especially adapted for use with an electrically heatable catalytic converter having a stud, a portion of said stud being coated with a thin layer of a ceramic, and a sleeve having an interference fit with said coated portion, said stud adapted to be welded at its inner end to one side of a resistance circuit. There is also provided an electrically heatable catalytic converter including such a terminal.Type: GrantFiled: September 13, 1991Date of Patent: August 24, 1993Assignee: W. R. Grace & Co.-Conn.Inventors: David T. Sheller, Gordon W. Brunson
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Patent number: 5098310Abstract: An electrical connector includes a plug assembly and a mating connector assembly. Additional protection against liquid penetration of the assembled connector is provided by a peripheral tongue-in-groove seal formed in the integrally molded housings of the plug and connector assemblies.Type: GrantFiled: June 24, 1991Date of Patent: March 24, 1992Assignee: Woodhead Industries, Inc.Inventors: Rudy Avramovich, Horacio A. Baggio, Simeon T. Lee, Patrick J. Stearns
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Patent number: 5090919Abstract: A seal structure for an electric device having an electrically conductive lead portion which passes through a through hole in a bottom surface of an electrically insulating housing. Additionally, the housing is provided with a lateral slot in a side surface thereof which is in communication with the through hole and which is filled with a sealant. Thus, the sealant which has been filled into the lateral slot adheres to the surface of the terminal piece exposed in the interior of the lateral slot and is solidified therein. Therefore, when this electric device is mounted on a printed circuit board, and its lead portions are soldered to a printed pattern of the printed circuit board, flux is prevented from reaching the internal part of the lead portion, and various problems which are otherwise caused by intrusion of flux into the interior of the housing can be effectively prevented.Type: GrantFiled: July 26, 1990Date of Patent: February 25, 1992Assignee: Omron CorporationInventor: Hideaki Tsuji
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Patent number: 4984973Abstract: A hermetic terminal for carrying electric current into the housing of a hermetic compressor, including a cup-shaped metallic body member having a plurality of metallic conductor pins extending therethrough which are electrically insulated from the body member by hermetic glass seals. The body member includes a closed end having an inwardly facing contoured end surface, to which a correspondingly contoured contacting surface of an electrically insulating cap member is secured by means of a uniform layer of electrically insulating bonding material therebetween. The pins extend through passages in the cap member, whereby the cap member defines an oversurface distance between the pins and the body member. A portion of the oversurface distance is protected from contaminants which the compressor housing by means of an annular gap between the outer periphery of the cap member and the sidewall of the body member, and by respective annular gaps between the pins and corresponding passages in the cap member.Type: GrantFiled: March 21, 1990Date of Patent: January 15, 1991Assignee: Tecumseh Products CompanyInventors: Terry Itameri-Kinter, David W. Sauerbrey
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Patent number: 4952168Abstract: A cover assembly (20) for receiving a connector (56) terminated to a cable (92) is disclosed in which the cover assembly has a exterior contoured surface (118), a cavity (134) for receiving the connector and first (74) and second (76) cable exits from the cavity to the exterior contoured surface. Each cable exit is adapted to receive either the cable or a cable exit plug (28). The cable exit plug has first (120) and second (116) surfaces and is adapted to be received in the first cable exit (74) with the first surface (120), contoured to conform to the exterior surface of the housing surrounding the first cable exit, facing outwardly from the cavity. The cable exit plug is also adapted to be received in the second cable exit (76) with a second surface (116) facing outwardly from the cavity. The second surface is contoured to conform to the exterior surface of the housing surrounding the second cable exit.Type: GrantFiled: January 11, 1990Date of Patent: August 28, 1990Assignee: AMP IncorporatedInventors: Stephen B. Schieferly, Steven M. Weldon
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Patent number: 4948378Abstract: A board is provided with a plurality of spaced conductors, covered by a waterproof film on one surface thereof, with a window through the film exposing selected portions of the conductors. A connector housing supports a plurality of electrical contacts that are brought into electrical management with the conductors through the window. A compressible ring surrounds the housing contacts and the window and is sandwiched between the board and the housing. A spring-biased holding member, latched to the housing, urges the board resiliently toward the housing, causing the electrical engagement between the board conductors and the housing contacts and also compressing the ring around the window to provide a waterproof seal around the electrical junctures.Type: GrantFiled: March 2, 1989Date of Patent: August 14, 1990Assignee: Thomas & Betts CorporationInventor: Haruo Hoshino
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Patent number: 4909745Abstract: A junction block is composed of an upper casing accommodating a bus bar distribution board and a lower casing forming an integral connector housing for accommodating a mating connector. The bus bar has integral tabs extending rectangularly to the bus bar and into the connector housing through respective holes formed in the bottom wall of the connector housing. There is provided a deflecting barrier member in the shape of an elongate rectangular bar adjacent an opening which has necessarily been formed in the bottom wall of the connector housing as finished by plastic moulding. In case any water or water drops should creep into the connector housing via the opening in its bottom wall, they are prevented from reaching the tab base zone by the deflecting barrier member which serves to conduct creeping water or water drops downwardly or in the discharge direction. Hence, it will be avoided to cause short circuits or leakage currents to occur between the adjoining bus bars or terminals of the connector.Type: GrantFiled: September 14, 1988Date of Patent: March 20, 1990Assignee: Yazaki CorporationInventor: Hideharu Hayashi
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Patent number: 4874324Abstract: A connector having a metal shell which would normally be subject to galvanic action in an underwater environment. The metal shell includes a protective plastic coating of polyphenylene sulfide resin electrodeposited thereon and over a portion of which plastic coating an encapsulating boot is bonded. The arrangement insures that no delamination of the encapsulant will occur due to galvanic reactions.Type: GrantFiled: August 3, 1988Date of Patent: October 17, 1989Assignee: Westinghouse Electric Corp.Inventors: James K. Andersen, Carl L. Hikes
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Patent number: 4864185Abstract: An incandescent automotive lamp for mounting in a lamp socket comprising a light-transmitting envelope, an insulating base, and a plurality of conductive wires. The light-transmitting envelope contains an energizable light source and has a sealed-end portion. The insulating base includes a housing, a flange portion, a plurality of channels, and a divider portion. The housing has a cavity in which the sealed-end portion is secured. The flange portion is located on the housing and has a substantially bevelled frustum and a rim with diametrically opposed notches. Each channel passes through the housing and leads into the cavity. The divider portion depends from the bottom of the housing. The divider portion has a pair of substantially flat faces, a pair of sides, and a bottom. At least one of the faces is adjacent to the channels of the housing. Each side has a base notch. The conductive wires connect to the energizable light source and pass through the sealed-end portion of the envelope.Type: GrantFiled: April 14, 1986Date of Patent: September 5, 1989Assignee: North American Philips CorporationInventors: David R. Dayton, Lloyd K. Bucher, Richard M. Buck
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Patent number: 4859196Abstract: An underwater electric connector includes two elements (1,9) which may be coupled end to end and which are each equipped with a cylindrical cavity and a set of contact pieces (17, 20). One of the elements (1) is equipped with a device for injecting an insulating fluid under pressure. Housings (2,8) of the elements have end pieces (11,10) which may be fitted one onto the other. Each set of contact pieces is secured on the element (1,9) which carries it. A cylindrical pin (22) bears two groups (24,25) of contact pieces connected electrically by twos from one group (24) to the other (25), and is equipped with a head (26,23) which seals the cylindrical cavity (19) of the second element (9) when the pin is completely inserted. Devices for gripping (27) and displacement (28) are provided in the first element to secure the pin in the position at which its contacts (24,25) are opposite the contact pieces of the two sets (17,20) of contacts.Type: GrantFiled: July 22, 1988Date of Patent: August 22, 1989Assignees: Total Compagnie Fracaise des Petroles, Institut Francais du PetroleInventors: Pierre Durando, Alain LaFaille
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Patent number: 4846732Abstract: An electrical connector containing contacts upon which there are mounted high current transient suppressing diodes and ceramic semi-tubular filtering components. The diode and filter components are mounted on opposite sides of each contact body. A diode grounding lead provides the electrical connection between the diode and the ground plane in the connector containing openings into which the contacts are mounted.Type: GrantFiled: August 5, 1988Date of Patent: July 11, 1989Assignee: EMP Connectors, Inc.Inventor: Edgar R. Meelhuysen
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Patent number: 4820196Abstract: A connector having a housing with a number of cavities that receive connector pins is conformally coated. A thixotropic, curable material is used to seal-off the cavities at the end where the contact tails for the connector pins emerge from the housing. The sealing material seals off the cavities from the environment but does not extend so far into the cavities that electrically insulates the connector portion of the connector pins. The sealing material is preferably both ultravioletly-curable for rapid curing and heat-curable to cure the material in shadow areas.Type: GrantFiled: October 1, 1987Date of Patent: April 11, 1989Assignee: Unisys CorporationInventors: Paul J. Roselle, Richard T. Benkusky
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Patent number: 4778402Abstract: In a well logging system that is subjected to high temperatures and pressures, an improved thermos flask pressure housing is used to insulate sensitive electronic circuits to the detrimental effects of high temperature and extreme pressure. An evacuated area between an inner shell and an outer shell acts as insulation between electronic circuits within such inner shell and the borehole environment surrounding such outer shell.Type: GrantFiled: October 7, 1987Date of Patent: October 18, 1988Assignee: Mobil Oil CorporationInventor: Victor L. Schoepf