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| Number | Title | Issue Date |
| 6556139 | System for authentication of products and a magnetic tag utilized therein A magnetic microwire for use in a magnetic tag attachable to a product is provided to enable authentication of the product, as well as the magnetic tag, a detector device and a system for product authentication utilizing the same. The magnetic microwire i... | 04/29/2003 |
| 6324870 | Method and device for integrating a glass part and metal part Metal collar device of the type used for integrating a glass part and a metal part of different coefficients of expansion. The collar is circular and comprises a first portion intended to be in contact with the metal part, a second portion intended to be ... | 12/04/2001 |
| 6148638 | Method for manufacturing a fluorescent lamp In a method for manufacturing a fluorescent lamp, four dual tubes that are previously manufactured are held at a distance in such a manner that the dual tubes can move horizontally. Four portions for connection are simultaneously heated, and two of the du... | 11/21/2000 |
| 6068745 | Method for forming an electrochemical sensor A method of producing a medium-tight connection between interior and exterior concentrically-arranged glass tubes includes the steps of providing a longitudinally extending electrical conductor strip between the interior and exterior tubes, forming a bulg... | 05/30/2000 |
| 5979187 | Lamp construction and method for forming In a method of forming a glass to metal seal between one end of a glass lamp tube (for, for example, a flash lamp or laser lamp), a metal rod which is terminated by the electrode is heated, and has molten glass sealing material applied thereto to form a b... | 11/09/1999 |
| 5756998 | Process for manufacturing coated wire composite and a corona generating device produced thereby An improved process for manufacturing glass coated wire, for example, a corona generating electrode having a dielectric coating layer of the type used in electrostatographic printing applications, wherein predetermined stresses are induced along the axial... | 05/26/1998 |
| 5677190 | Cell and circuit for monitoring photochemical reactions An improved measurement cell and circuit for measuring the electrical characteristics of a liquid sample during exposure to radiation includes a glass cell formed of a main tube extending generally parallel to an elongated lamp emitting the radiation, and... | 10/14/1997 |
| 5468168 | Means for supporting and sealing the lead structure of a lamp and method for making such lamp A method of manufacture for a lamp involves making up, separate from an envelope, a sub-assembly comprising a lead structure and a vitreous body that surrounds it. In one form of this method, particles of vitreous material are pressed into a mold cavity t... | 11/21/1995 |
| 5213536 | Filamented lamp manufacture method A method of fabricating a filamented capsule from a tubular blank, and a mold used in such fabrication, is provided wherein a first filament is sealed in a first press seal in one end of the blank, and a preform designed to facilitate insertion and positi... | 05/25/1993 |
| 5185922 | Method of making submicrometer microelectrodes Microelectrodes and methods for making the same are disclosed which have electrode tip diameter of less than 10 μm. The microelectrodes include a tapered electrode wire sealed in, and surrounded by, a tapered insulator tube. In one preferred embodiment, ... | 02/16/1993 |
| 4915719 | Method of producing a hermetic glass to metal seal without metal oxidation A method for forming a hermetic compression glass to metal seal which leaves the metal free of oxide. A temporary assembly of a metal header having a glass bead in an aperture therethrough and an electrical feedthrough conductor passing through the glass ... | 04/10/1990 |
| 4888039 | Apparatus for manufacturing hermetic terminal assemblies Apparatus for forming glass to metal hermetic seals in a terminal assembly of a housing part wherein an upwardly directed glass melting heating gradient is applied to a housing part having a glass sleeved terminal pin supportedly disposed in an aperture t... | 12/19/1989 |
| 4859226 | Universal lower stem mold for manufacturing a molded glass stem An apparatus for manufacturing a glass stem for an electron tube comprises a first (upper) stem mold assembly and an improved second (lower) stem mold assembly. The improved second stem mold assembly includes a universal second (lower) stem mold having a ... | 08/22/1989 |
| 4813991 | Universal stem mold for manufacturing a molded glass stem An apparatus for manufacturing a glass stem for an electron tube has a plurality of lead-in conductors and a plurality of fillets with the lead-in conductors extending through the fillets. The apparatus comprises a first stem mold assembly and a second st... | 03/21/1989 |
| 4813992 | Universal stem mold apparatus An apparatus used to manufacture a molded glass stem comprises a plurality of conventional lower stem mold assemblies and a plurality pre-heating, heating, forming, and annealing stations. The forming stations include at least one primary forming station ... | 03/21/1989 |
| 4804396 | Method for manufacturing hermetic terminal assemblies A method of forming glass to metal hermetic seals in a terminal assembly of a housing part wherein an upwardly directed glass melting heating gradient is applied to a housing part having a glass sleeved terminal pin supportedly disposed in an aperture the... | 02/14/1989 |
| 4767436 | Apparatus and method for manufacturing a molded glass stem A stem mold includes an improved first (upper) mold assembly and a conventional second (lower) mold assembly. The first mold assembly includes a conventional mold head and a plurality of lead-weights which are attached to one end of the mold head. The fir... | 08/30/1988 |
| 4601493 | Electrically-isolating coupler suitable for high pressure cryogenic gas flow A coupler for electrically-isolating two conductive sections of fluid-passing line includes two nonconductively-interconnected pieces of tubing for insertion in the line. The pieces of tubing each have a divergently-flared end, and the flared ends are ... | 07/22/1986 |
| 4550269 | Electric discharge lamps In a high pressure electric discharge lamp employing at least one ribbon seal incorporating a strip (3) of refractory metal foil extending through the wall of an envelope (1) of fused silica, and connected at its outer end to at least one external lead ro... | 10/29/1985 |
| 4445920 | Method of making glass-to-metal seal (header) A metal-to-glass-to-metal seal that includes a chemical bond between the ss and metal as well as a mechanical seal is obtained by using an oxide layer which joins the glass and metal. A glass tube or glass powder with a coefficient of expansion which app... | 05/01/1984 |
| 4347658 | Method of making magnetic reed contact unit Reed switch contact unit is made in a sealed box and a pivotally-mounted guide member (7) with a V- or Y-shaped slot aligning the bottom reed during assembly.... | 09/07/1982 |
| 4086075 | Method of manufacturing an article containing at least one glass part in which a metal part is sealed in A method of making glass beads for current leading-in wires of lamps by internal and external high-frequency heating of a glass tube which surrounds a metal rod.... | 04/25/1978 |
| 4012214 | Method of making a cold cathode gas laser discharge tube Use of press-molded flanged glass envelope members each including a central hollow cylindrical portion enables fabrication of high output cold cathode gas laser tubes of reduced axial length with materially reduced cost of production. The cylindrical port... | 03/15/1977 |
| 4000999 | Centrifugally casting hollow glass body around vapor shield A vapor shield supporting ring is attached to the envelope of a vacuum device. The supporting ring is embedded in the inner wall of the envelope and extends into the interior of such envelope. A welding flange is mounted on the interior portion of the rin... | 01/04/1977 |
| 4001000 | Method of manufacturing a percussion flashlamp The invention relates to a method of manufacturing a percussion flashlamp in which a metal tube which is closed at one end is sealed to a piece of cylindrical tube glass, during which sealing operation the metal tube is supported by a pin which projects t... | 01/04/1977 |
| 3959860 | Method of making non-shorting photoflash lamp A method of making beaded lead-in wires for a photoflash lamp comprising the steps of forming and sealing a glass bead around a pair of lead-in wires, positioning a surface of the bead against a die having openings through which the wires extend, and movi... | 06/01/1976 |
