Added Bonding Material, E.g., Solder, Braze, Etc. Patents (Class 403/272)
  • Patent number: 6268069
    Abstract: A process is disclosed for producing a joined article between a ceramic member and another member, which process includes the steps of brazing the ceramic member with another member by using a brazing material composed of 50 to 99 wt % of copper, 0.5 to 20 wt % of aluminum, 0.5 to 5 wt % of at least one kind of active metal selected from the group consisting of titanium, zirconium, hafnium, vanadium and niobium, thereby obtaining a joined body including the ceramic member, another member and a layer of the brazing material, and heating the brazing material layer in an oxidative atmosphere.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: July 31, 2001
    Assignee: NGK Insulators, Ltd.
    Inventors: Tsuneaki Ohashi, Tomoyuki Fujii
  • Patent number: 6261708
    Abstract: A novel method is provided for joining substrates made of aluminum nitride series ceramics to each other, which can perform the joining substantially without leaving an intervening third phase other than aluminum nitride series ceramics at the joining interface of the substrates. The method is performed, for example, by providing a joining agent 3 containing at least an aluminum nitride series ceramics and a flux between the substrates 1 and 2, heat treating the joining agent to eutectically melt the aluminum nitride series ceramics and the flux, then precipitating a reprecipitated phase of the aluminum nitride series ceramics at the joining interface of the substrates.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: July 17, 2001
    Assignee: NGK Insulators, Ltd.
    Inventors: Tsuneaki Ohashi, Tsutomu Imai
  • Patent number: 6062762
    Abstract: An angle joint for chassis parts in a motor vehicle, especially a strut joint, in which a tubular housing, which is cylindrical on the outside, and a shaft, which has a profile adapted to the outer contour of the housing on the front side and partially surrounds the tubular housing, are welded together.
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: May 16, 2000
    Assignee: Lemforder Metallwaren AG
    Inventor: Wilfried Lustig
  • Patent number: 5881821
    Abstract: A tillage sweep assembly includes a base sweep with a central fore-and-aft slot. A support strap or stem includes a corresponding fore-and-aft extending protrusion which mates with the slot. A filet weld connects the top of the base sweep to the support strap with the weld extending around the strap. A plug weld is added to the underside of the sweep in an offset or lifted portion of the bottom of the base sweep above the cutting plane of the sweep. The extra plug weld adds strength to the existing filet weld joint and significantly reduces the chance of inadvertent base sweep loss. The location of the plug weld above the cutting plane protects the plug weld from wear. The strap or step of the sweep assembly is slotted for ease of pitch adjustment, and the base sweep has wings with substantial fore-and-aft extending end portions to retain working width over the life of the sweep.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: March 16, 1999
    Assignee: Deere & Company
    Inventors: James Thomas Noonan, Terry Lee Lowe
  • Patent number: 5872652
    Abstract: An improvement is proposed relating to an optical isolator for bonding of the polarizer and analyzer of polarizing glass to the respective holder rings for position adjustment. The improvement comprises: (a) forming a metallized layer of a specific composition over at least two of the side surfaces of each of the polarizer and analyzer on the area of the surface excepting for the linear areas of 50 to 150 .mu.m width from the top and bottom surfaces of the polarizer or analyzer; and (b) bonding the polarizer and analyzer to the respective holder rings by soldering using a solder alloy with intervention of the metallized layer between the polarizer or analyzer and the holder ring. The invention further provides an optical part having, on at least one of the surfaces, a heat-resistant anti-reflection coating film which is a double-layered film consisting of a thin film of the titanium oxide TiO.sub.x (x=1.9 to 2.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: February 16, 1999
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yoshiyuki Shiono, Toshiaki Watanabe, Masayuki Tanno, Toshihiko Ryuo
  • Patent number: 5848853
    Abstract: A metallic connector (48) secures the terminal end (50) of a first metallic tubular member (28) to an intermediate portion (52) of a second metallic tubular member (30). The connector (48) includes an end connection portion (54) having an opening (56) that receives the terminal end (50) of the first tubular member (28) and also includes a saddle portion (58) that extends from the end connection portion and receives the intermediate portion (52) of the second tubular member (30). Opposite ends (60) of the saddle portion (58) each includes a pair of spaced clamp attachers (62) for securing a clamp to permit the assembly by a connection (64) that includes a filler alloy (66) that is preferably a brazing material. The first and second tubular members (28,30) as well as the connector (48) are preferably made from stainless steel.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: December 15, 1998
    Assignee: Asha Corporation
    Inventor: Alain J-M Clenet
  • Patent number: 5664723
    Abstract: A method of braze joining a copper member to a substrate of metal or ceramic material is disclosed according to which a diffusion barrier coating as defined is applied to the substrate alone, and a selected brazing alloy is interposed between copper member and substrate, followed by a two-step heating treatment. In the first step the assembly is heated at a temperature and for a time sufficient to melt the brazing alloy and cause a bond to form between the brazing alloy and the copper member and between the brazing alloy and the substrate. In the second step the temperature is raised and maintained in the range from about 600.degree. C. to about 950.degree. C. in a "solutionizing heat treatment" (as defined) for a time sufficient to allow the brazing alloy to form an "extended solid solution" (as defined) with copper in a controlled fashion to convert the bond to a strong joint which is resistant to thermal stress.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: September 9, 1997
    Inventor: Suri A. Sastri
  • Patent number: 5603581
    Abstract: A joint structure includes an extrudate member and an elongated mating member, in which the extrudate member has a closed sectional structure portion and has its one end joined to the elongated mating member such that the longitudinal axis of the extrudate member intersects the longitudinal axis of the elongated mating member. The one end of the extrudate member includes an integral joint portion of a shape matched to the shape of an outer surface of the mating elongated member so as to encircle at least a portion of the elongated mating member. The joint portion is bonded to the outer surface of the mating member at its longitudinally intermediate portion by brazing, spot-welding or the like.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: February 18, 1997
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Shigeo Fujita, Suguru Yoshida, Masakazu Sato
  • Patent number: 5511799
    Abstract: The present invention pertains to an apparatus useful in semiconductor processing. The apparatus can be used to provide a seal which enables a first portion of a semiconductor processing chamber to be operated at a first pressure while a second portion of the semiconductor processing chamber is operated at a second, different pressure. The sealing apparatus enable processing of a semiconductor substrate under a partial vacuum which renders conductive/convective heat transfer impractical, while at least a portion of the substrate support platform is under a pressure adequate to permit heat transfer using a conductive/convective heat transfer means. The sealing apparatus comprises a thin, metal-comprising layer, typically in the form of a strip or band, brazed to at least two different surfaces within said processing chamber, whereby the first and second portions of the semiconductor processing chamber are pressure isolated from each other.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: April 30, 1996
    Assignee: Applied Materials, Inc.
    Inventors: Robert E. Davenport, Avi Tepman
  • Patent number: 5507499
    Abstract: The present invention pertains to an apparatus and method useful in semiconductor processing. The apparatus and method can be used to provide a seal which enables a first portion of a semiconductor processing chamber to be operated at a first pressure while a second portion of the semiconductor processing chamber is operated at a second, different pressure.The sealing apparatus and method enable processing of a semiconductor substrate under a partial vacuum which renders conductive/convective heat transfer impractical, while at least a portion of the substrate support platform is under a pressure adequate to permit heat transfer using a conductive/convective heat transfer means. The sealing apparatus comprises a thin, metal-comprising layer, typically in the form of a strip or band, brazed to at least two different surfaces within said processing chamber, whereby the first and second portions of the semiconductor processing chamber are pressure isolated from each other.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: April 16, 1996
    Assignee: Applied Materials, Inc.
    Inventors: Robert E. Davenport, Avi Tepman
  • Patent number: 5385421
    Abstract: A method for manufacturing a structural component includes forming a groove in an outer surface of a fiber reinforced body. Molten metal is introduced to an exposed surface of the groove and to a predetermined portion of the outer surface of the body. The metal is cooled in a controlled manner to thermally alter sufficient resin to create a secure interconnection of the metal on the body. The metal adjacent the groove is sized so that it will fail prior to separation of the metal from the body under excessive tensile loads. A portion of the metal remains on the body so that elongation of the component significantly exceeds ultimate elongation of the fiber reinforced body and the cast metal.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: January 31, 1995
    Assignee: General Motors Corporation
    Inventors: Mark R. Morgan, Harry J. Couch
  • Patent number: 5383741
    Abstract: A stud for use in end welding and having a cylindrical portion with a welding flux and a square portion. The square portion has planar faces through bores. A wire hanger using the cylindrical and square stud with a support leg are secured to the stud and tiers are secured to the support leg for supporting wires, pipes, ducts or other objects spaced from overhead or a bulkhead.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: January 24, 1995
    Assignees: Newport News Shipbuilding and Dry Dock Company, TRW Inc.
    Inventors: Jack E. Vance, Gerald J. Luce, deceased, Robert L. Adair, Jr., Clark B. Champney
  • Patent number: 5346327
    Abstract: A fastener for splicing wires and the like is mace by forming a tubular sleeve of spring material such as phosphor bronze. In its unrestrained shape, the tubular sleeve is too small to receive the wires, but the tubular sleeve is expanded elastically and held expanded by solder, so that the wires can be inserted. Upon the application of heat the solder melts, flowing into the joint and allowing the sleeve to spring back to its original size or at least to the diameter of the wires. The fastener can be mounted on a stud to provide a replacement for the familiar solder cup terminal. An expanded sleeve can be placed around a piece of heat shrinkable tube. When heated, the tube and the sleeve contract, the sleeve reinforcing the tube giving a much greater compressive force during shrinking. The sleeve then becomes a metallic protector for the tube.
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: September 13, 1994
    Inventor: Edward Herbert
  • Patent number: 5284289
    Abstract: An improvement in process for reinforcing a structure against fatigue failure and the resulting structure are set forth. The structure comprises joined weldable structural portions having adjoining surfaces which meet at a junction and diverge therefrom to form a gap between each other. A brace with weldable terminal feet spans the gap. Each such foot rests against a structural portion, and the brace is plug-welded to at least one of the structural portions through a hole in a foot, or a hole in a structural portion or holes in each such portion where they interface. The invention is especially efficient for bracing an air chamber bracket that is designed for automotive use. A preferred rigid structure has the feet welded at both ends.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: February 8, 1994
    Assignee: Eaton Corporation
    Inventor: Michael L. Killian
  • Patent number: 5277505
    Abstract: A system is provided for adhesively attaching a first member to a generally planar portion of a second member. The system includes an attachment clip having a first, generally planar portion and a second portion remote from the first portion adapted for attachment to the first member. A generally planar base is sandwiched between the planar portion of the attachment clip and the planar portion of the second member. An adhesive is located between the base and the planar portion of the second member. A weld is provided between the base and the planar portion of the attachment clip. Therefore, "peel" stresses are eliminated between the base and the planar portion of the second member, as the weld develops a tensile load between the base and the planar portion of the attachment clip.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: January 11, 1994
    Assignee: Montgomery Elevator Company
    Inventors: Thomas R. Nurnberg, James J. VanMeenen
  • Patent number: 5267684
    Abstract: A reservoir for the introduction of a preform of solid brazing filler metal is formed by a recess in the outer wall of an electronic component package and opens into a package through-hole. A lead-wire and bushing are placed within the through-hole with allowance for a clearance space so as to permit liquefaction and capillary diffusion of the filler metal within the space.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: December 7, 1993
    Assignee: Egide S.A.
    Inventors: Marc Catheline, Jean-Noel Dody, Jean-Pierre Maquaire
  • Patent number: 5190207
    Abstract: A first tube of rectangular cross section is joined to a second tube by notching the first tube on two sides to assure that the top and bottom walls of the first tube touch the rounded corner of the second tube at a central location to define a weld receiving groove and to eliminate the gap between the abutted tubes for repeatable, well defined welds. To avoid large fixtures and structural locators adjacent a weld location, a small tab is provided in the notched end of the first tube. An oversized laser-cut slot in the side of the second tube receives the tab and has one slot boundary precisely located with respect to a reference point on the second tube. The first tube is urged in the direction to force the tab against the boundary and positively locate the first tube with respect to the reference point.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: March 2, 1993
    Assignee: Deere & Company
    Inventors: Donald R. Peck, Arman P. Mortale, Leo W. Riegel
  • Patent number: 5177927
    Abstract: A metal connector for a building includes a pipe-shaped frame having a plurality of axial slits at its both ends, a wedge member fitted at each end of the frame, and a connecting member directly passed through the frame or passed through a box-shaped anchor loosely fitted over the outer periphery of the frame. The wedge member is fitted to each end of the frame to secure the frame to a wooden member, while neighboring wooden members are joined together by the connecting member.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: January 12, 1993
    Inventors: Shigeo Goya, Takao Hirata
  • Patent number: 5143471
    Abstract: A tubular reinforcement element between two hollow tubular members includes an internal lug located internally of the open end of the one hollow tubular member. The internal lug includes a slotted side wall of the same configuration as, and bonded to the inner face of, the open end of one hollow tubular member, and a concave end wall integrally formed with the side wall and extending across the open end of the one hollow tubular member. The end wall of the internal lug has a concave surface complementary and bonded to the curved external surface of the second tubular member.
    Type: Grant
    Filed: May 15, 1990
    Date of Patent: September 1, 1992
    Inventor: Samuel Spinner
  • Patent number: 5127780
    Abstract: An expandable holding device for holding a component in which the clamping force is brought about by the solidification and expansion of a fusible alloy. The alloy is contained in an expansion chamber defined in part by a thin-walled, expansion sleeve. The alloy has a low melting point and expands when it solidifies. The pressure caused by expansion of the fusible alloy radially expands the expansion sleeve causing the expansion sleeve to grip the component. To release the component, the alloy is heated and liquified so that the expansion sleeve returns to an unexpanded condition.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: July 7, 1992
    Assignee: Kennametal Inc.
    Inventor: Ted R. Massa
  • Patent number: 5127757
    Abstract: A connecting head for scaffold systems, with the connecting head including a connecting zone having centering lobes and an annular contact surface as well as a conical surface arranged so as to provide for favorable welding conditions.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: July 7, 1992
    Inventor: Ruth Langer
  • Patent number: 5119240
    Abstract: An assembly of parts forming an angle between facing surfaces of the parts and a process for producing an assembly is described. The parts (2, 4) are provided with contact elements or pads (6, 8, 10, 12) for connection to one another by means of a relatively low melting point metallic soldering material. The surface of each of the pads is wettable by the low melting point metallic material in the molten state, while areas surrounding the pads are not wettable. The contact pads of one of the parts are covered with flat coils or wafers (10, 12) of the low melting point metallic material. The wafers have the same thickness, but different volumes. The contact pads of the other part are placed on the corresponding wafers. The wafers' thickness, volumes, and spacing are chosen so that when the wafers are heated to the molten state and form truncated spherical drops due to surface tension, the parts form between them a predetermined angle. The invention has particular application to the manufacture of mirrors.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: June 2, 1992
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Francois Marion, Michel Ravetto, Jean-Luc Tissot
  • Patent number: 5094150
    Abstract: In the pump piston for axial piston pumps which comprises a ceramic piston and a drive member of metallic material the ceramic piston has an end face of which from 20 to 80% is in the form of a joint surface for a soldered connection to the drive member.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: March 10, 1992
    Assignee: Hoechst CeramTec Aktiengesellschaft
    Inventors: Klaus Russner, Volker Dietrich, Gerd Meier
  • Patent number: 5083884
    Abstract: A composite metal-ceramic article comprising a metal shaft and a ceramic ball bearing attached thereto. The shaft is tapered in such a manner to reduce the stress exerted on the ball.
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: January 28, 1992
    Assignee: Norton Company
    Inventors: Bradley J. Miller, Kazimierz Sawicki
  • Patent number: 5076484
    Abstract: In a joining structure of a turbine in which a shaft portion of a ceramic turbine rotor is joined to a metal shaft in the through bore of a metal sleeve by brazing, the joining structure of this invention comprises a first flange formed on the metal sleeve, the first flange extending toward the axis of the through bore, a second flange formed on the metal shaft, the second flange extending outward and the outside diameter thereof being larger than the inner diameter of the first flange, wherein side surfaces of the first and the second flanges are engaged and brazed with each other. An intermediate layer may be interposed between the bottom end of the shaft portion of the turbine rotor and the bottom end of the metal shaft for reinforcement. The intermediate layer is made of one or more than one metal selected from the group consisting of Ni, Cu, Fe, Ag, KOVAR, Fe-Ni Alloy, and W alloy.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: December 31, 1991
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Masaya Ito, Seiji Mori
  • Patent number: 5028162
    Abstract: A metal-ceramic joined, composite body comprises a metallic member and a ceramic member. The metallic member and the ceramic member are provided with a recess and a projection, respectively, and are integrally joined by inserting the projection into the recess. The recess of the metallic member is provided with a stepped portion to increase an inner diameter of the recess at an opening portion thereof, and a brazing metal is interposed at least in a gap between the stepped portion and the projection of the ceramic member. Alternatively, a groove is provided over substantially the entire periphery of the projection of the ceramic member in vicinity of an end of a joined portion between the metallic member and the ceramic member, and a brazing metal is interposed at least between an edge of the groove and the recess of the metallic member. Besides the above, the axial length L.sub.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: July 2, 1991
    Assignee: NGK Insulators, Ltd.
    Inventors: Nobuo Tsuno, Takashi Ando, Yoshizumi Nakasuji
  • Patent number: 5006006
    Abstract: A connector for connecting wooden beams to one another, in which the capacities of a conventional toothed plate to transfer tensile and compressive forces have been improved by securing one or several toothed plates (3, 4, 5) to a mutual frame plate (2).
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: April 9, 1991
    Assignee: Metsa-Serla Oy
    Inventor: Markku S. Lehtonen
  • Patent number: 4993619
    Abstract: Two sheet metal panels are joined together to form a closed box section structure. The two panels are individually stamped from a blank and each has a flange along one edge and a toothed edge of alternating notches and tabs along the opposite edge. The two panels are assembled in box section forming relationship with the flanges of the two panels abutting with one another and the toothed edges abutting with one another with the tabs of the one panel interdigitating with the tabs of the other panel. Clamps are applied to the panels and urge the interdigitating tabs into tight fitting relationship. Then the panels are welded together at the interdigitating tabs and also at the abutting flanges to form the closed box section structure.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: February 19, 1991
    Assignee: General Motors Corporation
    Inventors: Alfred L. Kresse, Jr., Gregory L. Nagel
  • Patent number: 4991991
    Abstract: A joint structure for joining a ceramic member to a metallic member where the two members have substantially cylindrical end portions. The end portions are place in an abutting relationship and joining member adherent to both connect the two members. A sleeve member covers the joint and is affixed at least to the surface of the end portion of the device having a composition most like the sleeve member. Where the sleeve member is metallic, the surface of the sleeve member is affixed to the metallic portion of the device.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: February 12, 1991
    Assignee: NGK Spark Co., Ltd.
    Inventors: Masaya Ito, Shunichi Takagi, Noboru Ishida
  • Patent number: 4987035
    Abstract: Butt joints between materials having different coefficients of thermal expansion are prepared having a reduced probability of failure of stress facture. This is accomplished by narrowing/tapering the material having the lower coefficient of thermal expansion in a direction away from the joint interface and not joining the narrow-tapered surface to the material having the higher coefficient of thermal expansion.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: January 22, 1991
    Assignee: Norton Company
    Inventors: Bradley J. Miller, Donald O. Patten, Jr.
  • Patent number: 4984927
    Abstract: Ceramic and metal shafts are joined at their ends by brazing, with a buffer member being interposed therebetween. The joined ends of the ceramic and metal shafts and the buffer member are received within a metal sleeve and joined by brazing to part of the inner circumferential wall of the metal sleeve in such a manner than an axial end of the joint where the inner circumferential wall is securely joined to the ceramic and metal shafts is positioned between opposite axial ends of the metal sleeve and at the same time between opposite axial ends of the ceramic shaft. The outer circumferential wall of the metal sleeve is formed with an annular groove in the place corresponding to the above mentioned axial end of the joint with respect to the axial direction of the metal sleeve.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: January 15, 1991
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takio Kojima, Masaya Ito
  • Patent number: 4983064
    Abstract: A fitting assembly having a ceramic piece fitted to a cup-shaped metal piece filled with solder. Through the use of the difference in thermal expansion coefficients of ceramics and certain metals, an assembly for properly gripping the ceramic by the metal cup is created.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: January 8, 1991
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yasunobu Kawaguchi, Toshiaki Muto, Tatsuo Ichinokawa
  • Patent number: 4959258
    Abstract: A joined metal-ceramic assembly formed from a ceramic member and a metallic member which are butted and joined together with an intermediate layer interposed therebetween, wherein a joining surface of the ceramic member at which the ceramic member is joined with the intermediate layer includes a rounded peripheral portion which has a substantially arcuate cross sectional shape and the method of producing the metal-ceramic assembly.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: September 25, 1990
    Assignee: NGK Insulators, Ltd.
    Inventors: Akihiko Yoshida, Naohito Yamada
  • Patent number: 4957388
    Abstract: The present invention is related to a new bicycle frame tube coupling structure and, more particularly, to a tight coupling which includes a pair of solid lugs having large curved front edges fixedly connected to the wall surface of the tight coupling through a silver brazing process. When a locking bolt is inserted through the pair of lugs and screwed tight, the solid body of the two opposite lugs and the two large curved surfaces provide an increased pressure onto a fixed tube to firmly tighten a movable tube, which is contained in the fixed tube and both of which are set in the tight coupling, so that the movable tube be firmly positioned therein.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: September 18, 1990
    Inventor: Chin-Lang Liu
  • Patent number: 4946304
    Abstract: A weld joint between two structural elements out of different metallic carrier materials is described, in which at least approximately unmixed weld-joint-interface between the two elements made in such a manner, that on the one side of the interface only metal out of the one carrier material and on the other side only metal of the other carrier material is present. For example, the weld-joint-interface is made by an electron-beam welding. The surface of the weld joint can be enamelled and the welding of the two elements can be performed by a normal melt-welding method, in which welding material out of the metal of the respective carrier materials is laid on.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: August 7, 1990
    Assignee: The Pfaudler Companies, Inc.
    Inventor: Heinz Scharbach
  • Patent number: 4940858
    Abstract: A hermetic, leak-proof, corrosion resistant electrical feedthrough especially for use with implantable pulse generators. The feedthrough includes a titanium or niobium ferrule, an alumina insulator with a niobium braze area thereon positioned within the ferrule and sealed to the ferrule by a braze of gold at the braze area, electrical lead wires of niobium, tantalum, tungsten, molybdenum or alloys thereof extending through corresponding openings in the insulator, and a body of fusible glass joining and sealing each lead wire to the insulator.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: July 10, 1990
    Assignee: Medtronic, Inc.
    Inventors: William J. Taylor, Douglas Weiss, Joseph F. Lessar
  • Patent number: 4899615
    Abstract: A cam member is formed with an axial bore slightly larger than the outer diameter of a cam shaft so as to enable easy insertion of the cam shaft therein when forming an assembly. A recess is provided between the axial bore and the cam shaft and a joinder piece is inserted in the recess with solder being retained in the joinder piece so that upon heating of the solder with the joinder piece located within the recess means, the cam member and the shaft member may be affixed together.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: February 13, 1990
    Assignee: Etablissement Supervis
    Inventor: Lukas Matt
  • Patent number: 4841101
    Abstract: In the sealed feedthrough construction disclosed herein, a maximally compliant solder joint is provided between the low expansion ferrule of a glass insulted feedthrough connector and a bore in an enclosure bulkhead of a high expansion metal. The desired uniform radial thickness is established by providing a step on either the outer diameter of the ferrule or the inner diameter of the bore.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: June 20, 1989
    Inventor: John A. Pollock
  • Patent number: 4823101
    Abstract: A method is provided for manufacturing a Bitter coil by indium welding and a solenoid magnet obtained by using this method. The Bitter disks or parts of such disks are welded with an indium filler, deposited preferably electrolytically on the portions to be assembled together.
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: April 18, 1989
    Assignee: Centre National De La Recherche Scientifique
    Inventor: Guy Aubert
  • Patent number: 4816621
    Abstract: A ceramic-metal lead assembly, of the type suitable for use in nerve or heart pacemakers, has a disk of high-purity ceramic with at least one lead extending therethrough, the disk being soldered vacuum-tight to a flange ring via a solder gap. The flange ring consists of a metal which is resistant to body electrolytes, and the coefficients of thermal expansion of the joined materials are matched to each other, but are not identical. For avoiding cracks in the ceramic disk in the region of the solder connection, the solder gap has a width such that the diffusion path of the metal of the flange ring into the solder connection cannot exceed a selected distance in the solder bridge which forms at the soldering temperature. A solder zone which is free of the metal of the flange ring, and thus has a dutility which is not degraded by the flange ring metal, is formed around the ceramic disk.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: March 28, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Rosa M. Huebner, Ursula Huebner, Klaus G. Huebner
  • Patent number: 4813806
    Abstract: A welding beveling of a T-joint of a member welded to a rib on a lower plate, the rib varying in thickness along its length, comprises a beveling on an upper plate partially overlapping the rib at the thicker portion of the rib and having a clearance between the upper plate and the rib at the thinner portion, and a part of the beveling at the thicker rib portion being provided with a detecting hole for detecting the overlap.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: March 21, 1989
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Nagio Minami, Tamotu Oka
  • Patent number: 4758112
    Abstract: A rotary shaft assembly including a cylindrical ceramic shaft having first and second axially spaced apart and annular outer surface portions, the first surface portion defining a plurality of circumferentially spaced apart irregularities; a metal boss surrounding the first and second surface portions and having an axial opening defined by a first annular inner surface portion juxtaposed to the first outer surface portion and a second annular inner surface portion juxtaposed to the second outer surface portion and uniformly spaced therefrom, the first inner surface portion being deformed so as to intimately engage the irregularities in the first outer surface portion; and a metal collar disposed between the second inner and outer surface portions and sealed thereto so as to form a fluid tight seal therebetween.
    Type: Grant
    Filed: July 22, 1986
    Date of Patent: July 19, 1988
    Assignee: Isuzu Motors, Ltd.
    Inventor: Hideo Kawamura
  • Patent number: 4747722
    Abstract: A metal-ceramic composite fitting assembly is described in which an effective connection between a boss on the ceramic member and the metal shaft member is achieved by providing the shaft with a sleeve formed of a material having a coefficient of thermal elongation comparable to that of the ceramic member, which sleeve is joined to the shaft member and cooperates with a recess therein to engage the boss along its length and to impose thereon compressive gripping forces that increase in magnitude along the length of the boss.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: May 31, 1988
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yasunobu Kawaguchi, Toshiaki Muto, Tatsuo Ichinokawa
  • Patent number: 4743137
    Abstract: This invention relates to a tool with at least one wear-resistant hard metal part which serves to process production pieces, stones, or the like, wherein the hard metal part is firmly connected with a metallic carrier by solder located in at least one solder aperture. In order to reduce the danger of formation of tension cracks in the hard metal part, the invention provides that at least one predetermined weak point is created in the solder aperture.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: May 10, 1988
    Assignee: Siku GmbH
    Inventors: Anton Bucher, Peter Simon, Wilhelm King
  • Patent number: 4740099
    Abstract: A method is provided of temporary assembling by soldering of peel off plates through soldering material and a flexible junction element for a mechanical release device to release two parts temporarily fixed edgewise by peeling off the flexible element and the soldering material. There is provided on the plates and flexible junction element reserve areas without any adherence to the soldering material, and preferably at the limits of said reserved areas a recess for removing any excess of soldering material, and the melting solder material is put under load for distributing it between the plates and the flexible junction element. A so obtained assembly can be applied particularly to obtain automatic opening of containers in particular in space for spreading out solar panels.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: April 26, 1988
    Assignee: Societe Nationale Industrielle Aerospatiale
    Inventor: Jean-Pierre Philipoussi
  • Patent number: 4738560
    Abstract: A connection of an outer sheet metal member with an inner sheet metal member whereby the outer sheet metal member must form an optically smooth surface. For that purpose, the outer sheet metal member is folded over the inner sheet metal member and a welding seam is then made from the folded-over side by means of a low energy welding process, for example, special forms of the protective gas welding or energy beam welding, and more particularly in such a manner that only the folded-over part of the outer sheet metal member and the inner sheet metal member fuse. The non-folded-over side of the outer sheet metal member thereby shows no impairment whatsoever by the welded connection.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: April 19, 1988
    Assignee: Bayerische Motoren Werke AG
    Inventors: Gerhard Brussow, Alfred Ruger, Dieter Konig
  • Patent number: 4726702
    Abstract: A fitting for connecting elongate elements, such as tubing, comprises a body 1 and legs 2a and 2b which fit into tubes A and B. The legs 2a and 2b are provided with recesses 4 for receiving bonding inserts 5 which contain bonding medium, for example, solder 6. The inserts 5 are of a material compatible with materials of the tubs A and B. When heat is applied to the external surface of the tubes A and B, in the region of the legs 2a, 2b, the solder 6 melts and bonds the inserts 5 to the tubes A and B.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: February 23, 1988
    Assignee: Keelglen, Ltd.
    Inventor: John C. Jackman
  • Patent number: 4726101
    Abstract: A gas turbine vane (1) is subject to distortion and wear during operation or repair which results in an increase in the spacing between successive vanes (6 and 7) which define nozzle gas flow areas (8 and 9). During refurbishment, the nozzle spacing must be returned to the original dimension to insure optimum turbine performance. A build up of alloy in the wear area is accomplished by controllably applying layers of a tape (12) of uniform thickness to the vane. The tape includes a mixture of a binder and an alloy powder, which is compatible with the substrate alloy, with the mixture formed into a sheet of uniform thickness and having an adhesive backing. After applying the tape in layers to a desired thickness, the vane is heated to a temperature at which the binder and adhesive decompose and the alloy in the tape diffusion bonds with the substrate alloy. Utilization of this process reduces the cost of refurbishing used turbine vanes and avoids hot forming or bending processes which could damage the vanes.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: February 23, 1988
    Assignee: United Technologies Corporation
    Inventors: Peter J. Draghi, John P. Arrigoni
  • Patent number: 4723863
    Abstract: A joint for joining a ceramic shaft to a metal sleeve includes a gap separating the outer surface of the ceramic shaft from the inner surface of an overlapping portion of a metal sleeve. A brazing filler material is provided in only the portion of the gap proximate the end of the ceramic shaft to accommodate stresses caused by the different thermal characteristics of the metal sleeve and the ceramic shaft.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: February 9, 1988
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Shunichi Takagi, Atsushi Kanda
  • Patent number: 4723862
    Abstract: A power-transmitting ceramic to metal joint structure including a first shaft consisting essentially of a sintered ceramic material, one portion of the shaft defining a first mating surface; an intermediate insert consisting essentially of a sintered ceramic material, the insert having two opposite insert mating surfaces, the insert having a thickness between the opposite insert mating surfaces in the range of from about 1.5 to about 20% of a distance defined by the cross section of the first mating surface and a flexural strength of not less than about 70% of the sintered ceramic material comprising the first shaft; a second shaft consisting essentially of metal, one portion of the second shaft defining a second mating surface; and brazing filler means affixing the first mating surface to one of the insert mating surfaces and the second mating surface to the opposite insert mating surface, the aforementioned mating surfaces being affixed in abutting relationships.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: February 9, 1988
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Masaya Ito, Noboru Ishida