Patents Represented by Law Firm Nield, Lemack & Dingman
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Patent number: 6046557Abstract: The present invention provides a focusing controller for a survey instrument, and the focusing controller comprises a sliding tube for retaining a focusing lens and movable in the direction of an optical axis, a motor for moving the sliding tube in the direction of the optical axis, a motor driving control circuit for driving the motor, a rotating speed control switch which serves as a means for inputting coarse adjustment control to the driving circuit, and a rotating position control switch which serves as a means for inputting fine adjustment control to the motor driving circuit, whereby the focusing lens is moved at a speed proportional to rotating angle of a rotating speed control switch by turning the rotating speed control switch for coarse control, and the focusing lens is moved to a position corresponding to rotating angle of a rotating position control switch by turning the rotating position control switch for fine control.Type: GrantFiled: October 22, 1998Date of Patent: April 4, 2000Assignee: Kabushiki Kaisha TopconInventor: Etsuji Godo
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Patent number: 6043333Abstract: Modified epoxy resin having an elevated softening point obtained from an epoxy resin having a low softening point without modifying the properties of the cured product and to improve the workability in the production of an epoxy resin composition. The modified epoxy resin is obtained by adding 4,4'-dihydroxybiphenyl to a specified phenol compound and epoxidizing the resultant mixture. Also disclosed is an epoxy resin composition containing the modified epoxy resin and the cured product thereof.Type: GrantFiled: August 15, 1997Date of Patent: March 28, 2000Assignee: Nippon Kayaku Kabushiki KaishaInventors: Kenichi Kuboki, Yoshitaka Kajiwara, Yoshio Shimamura, Yasumasa Akatsuka
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Patent number: 6039883Abstract: Various chemical disinfectants, such as chlorine, have a broad capability for destroying or deactivating microbes, but can produce harmful disinfection by-products. They also result in residual contamination by the disinfecting chemical. The application of high potential gradients to a liquid medium containing microbes also has a powerful disinfecting action. The combination of chemical disinfectants with the electric process leads to a compound process of great effectiveness, whereby the electrical process acts with greater efficiency and the amounts of chemical disinfectant required are substantially reduced.Type: GrantFiled: January 7, 1998Date of Patent: March 21, 2000Assignee: Ion Physics CorporationInventors: Helmut I Milde, Sanborn F Philp
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Patent number: 6028220Abstract: The present invention concerns a method for producing acrolein and acrylic acid by carrying out vapor phase catalytic oxidation of propylene with molecular oxygen or a gas containing molecular oxygen using a oxidation catalysts comprising Mo, Bi and Fe as an essentially element and a fixed bed multitubular reactor, which comprisesa) using a plurality of supported catalysts having different activities, which was obtained, for example, by different calcination method in the production process of the supported catalysts,b) setting a catalyst layer in a reaction tube, which is formed by dividing it into plural portions in the tube axial direction, andc) arranging the aforementioned plural supported catalysts in such order that the activity becomes high toward the outlet from the inlet of the material gas in the reaction tube axial direction.Type: GrantFiled: July 28, 1998Date of Patent: February 22, 2000Assignee: Nippon Kayaku Kabushiki KaishaInventors: Koichi Wada, Yoshimasa Seo, Akira Iwamoto, Atsushi Sudo, Fumio Sakai, Kazuo Shiraishi, Hiroyoshi Nowatari
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Patent number: 6025045Abstract: The present invention provides an adhesive filament-bearing adhesive tape comprising an adhesive substrate adapted to be releasably adhered to a surface to be coated, and a filament releasably adhered to an edge of that substrate, that is useful in trimming a coating applied to a surface. The invention further provides a method of trimming a coating applied to a surface comprising applying to the surface to be coated a masking material to define the area to be coated and a filament of material of sufficient tensile strength to cut the coating material; applying coating material to the surface; allowing the coating material to dry or cure until it obtains sufficient strength to hold a cut edge; and drawing the filament through the coating to cut the coating.Type: GrantFiled: February 28, 1997Date of Patent: February 15, 2000Inventor: Gary D. Langeman
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Patent number: 6020288Abstract: The present invention provides methods for treating plants which comprise application of an oxidant that induces NADPH:cytochrome P450 reductase and application of a reductant that induces cytochrome P450 monooxygenase. The present invention also provides methods for increasing cytochrome P450 in plants and for enhancing the growth of plants. The present invention also provides compositions and systems useful in the methods of the present invention.Type: GrantFiled: September 11, 1997Date of Patent: February 1, 2000Inventors: Arthur M. Nonomura, Andrew A. Benson, John N. Nishio
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Patent number: 6018013Abstract: This invention relates to a coating composition for precoated steel sheets which are required to have high hardness, high workability and high distinctness of image, and to a method for producing a precoated steel sheet having a coating film of the composition. The composition is prepared by adding a compound of any of the following (a) to (c) to a coating composition consisting essentially of a polyol and containing, as the curing agent, an isocyanate compound or an amino resin, and the coating film of the composition has both high-level workability and high-level hardness.(a) Polyester compounds comprising main repeating units of a general formula (1): ##STR1## wherein n is an integer; and R is an alkylene group having 10 or less carbon atoms, or a 1,4-cyclohexylene-dimethylene group, or a neopentylene group, or a polyoxyalkylene group.Type: GrantFiled: August 24, 1998Date of Patent: January 25, 2000Assignee: NKK CorporationInventors: Keiji Yoshida, Takashi Anyashiki, Kazumi Itou
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Patent number: 6017603Abstract: An ultraviolet-curable adhesive composition which comprises (A) a bisphenol type epoxy (meth)acrylate having a molecular weight of 450 to 3,000, (B) a urethane (meth)acrylate having a molecular weight of 400 to 10,000, (E) a (meth)acrylate monomer other than (A) and (B), and (F) a photopolymerization initiator, and an article having a cured layer of the above adhesive composition.Type: GrantFiled: December 22, 1997Date of Patent: January 25, 2000Assignee: Nippon Kayaku Kabushiki KaishaInventors: Kiyohisa Tokuda, Kenji Yoshida, Kazuhiko Ishii, Minoru Yokoshima
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Patent number: 6015628Abstract: This invention provides an organic composite coated steel sheet comprising, as the base, a zinc or zinc alloy coated steel sheet, which can be used in automobile bodies and electric appliances. The coated steel sheet has excellent press formability with oil, while having excellent perforation corrosion resistance and excellent corrosion resistance in a rust-contaminated environment. The coated steel sheet comprises a zinc or zinc alloy plated steel sheet having, on its surface, a chromate layer and an organic film formed in that order, in which the organic film has a thickness of from 0.1 to 3.0 .mu.Type: GrantFiled: June 18, 1997Date of Patent: January 18, 2000Assignee: NKK CorporationInventors: Kazuya Urata, Naoto Yoshimi, Takahiro Kubota, Masaaki Yamashita, Yasuhiko Haruta
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Patent number: 6015621Abstract: An ultraviolet-sensitive dosimeter material comprises at least one diazonium compound featuring absorption in the ultraviolet wavelength range, and a binder. The diazonium compound is preferably formed by a diazonium salt of the general formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and X.sup.- are selected from the following groups:R.sub.1 : H, halogen, alkyl with C.sub.1 -C.sub.5, alkoxy with C.sub.1 -C.sub.5, aryloxy,R.sub.2 : H, halogen, alkyl with C.sub.1 -C.sub.5, alkoxy with C.sub.1 -C.sub.5, aryloxy,NR'R" (R', R" same or differing alkyl compounds or heterocyclic armines, or COOR.sub.4 (R.sub.4 alkyl with C.sub.1 -C.sub.5), andR.sub.3 : H, alkoxy with C.sub.1 -C.sub.5, andX.sup.- : diazo process anions, or perfluorinated aliphatic or aromatic anions.Type: GrantFiled: April 28, 1998Date of Patent: January 18, 2000Assignee: Syntec Gesellschaft fur Chemie und Technologie der Informationsaufzeichnu ng mbHInventors: Regina Lischewski, Ursula Sell, Jorg Marx, Uwe Gohs
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Patent number: 6011613Abstract: A laser survey instrument, which comprises at least a main unit for emitting a laser beam and an object reflector for reflecting the laser beam from the main unit toward the main unit, whereby said main unit comprises an emitter for emitting the laser beam, a rotating unit for rotating and scanning the laser beam, a tilting mechanism for tilting the laser beam at an arbitrary angle at least in one direction with respect to a horizontal plane, a rotating angle detector interlocked with the rotating unit and for detecting irradiating direction of the laser beam, a reflection light detector for detecting reflection light from the object reflector, and an alignment display unit for detecting a deviation of direction with respect to the object reflector and a deviation of tilt angle based on a signal from the reflection light detector and for obtaining information on the deviation of direction or the tilt angle, the laser beam emitted from the main unit is irradiated to scan, the center of the object reflector isType: GrantFiled: January 27, 1998Date of Patent: January 4, 2000Assignee: Kabushiki Kaisha TOPCONInventors: Fumio Ohtomo, Satoshi Hirano, Richard W. Davidson
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Patent number: 6001221Abstract: Apparatus for condensing moisture from an air stream. The condenser includes concentric cylinders having a common wall. The outer cylinder contains a cooling material, such as water, and upon contact therewith, the air stream is cooled and moisture contained therein is condensed.Type: GrantFiled: January 12, 1998Date of Patent: December 14, 1999Assignee: Big Beans Holding Ltd.Inventor: Nobuyoshi Kuboyama
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Patent number: 5998318Abstract: There is provided a sintered silicon carbide with graphite added thereto having excellent lubrication characteristics. The sintered silicon carbide with graphite added thereto contains 10-30 wt. % of natural graphite flakes having an average grain size of 8-100 .mu.m and the remainder silicon carbide and a sintering aid, and having a relative density of 80-92%.Type: GrantFiled: March 10, 1998Date of Patent: December 7, 1999Assignees: Tanken Seal Seiko Co., Ltd., Syowa Denko K.K.Inventors: Hiroshi Takanami, Yukio Ishii, Mamoru Asuwa
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Patent number: 5996247Abstract: Apparatus and method for condensing moisture from an air stream. The condensing comprises an outer container, a middle container within the outer container, and an inner container within the middle container. The outer container contains a cooling material, such as water, and upon contact therewith, the air stream is cooled and moisture contained therein is condensed. The inner container also can contain a cooling material.Type: GrantFiled: March 9, 1999Date of Patent: December 7, 1999Assignee: Big Beans Holding Ltd.Inventor: Nobuyoshi Kuboyama
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Patent number: 5993504Abstract: Plant micronutrient compounds comprising N-acyl ED3A or salts thereof. The N-acyl ED3A derivatives chelate various trace metals, including iron, copper, zinc, manganese, cobalt and nickel.Type: GrantFiled: November 25, 1997Date of Patent: November 30, 1999Assignee: Hampshire Chemical Corp.Inventors: Arthur M. Nonomura, Barry A. Cullen, Joseph J. Crudden, John J. Nishio
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Patent number: 5995233Abstract: A surveying system which comprises a light source section for emitting laser beam, a rotational portion for rotating the laser beam from the light source in horizontal direction, a light source driving section for driving the light source unit, a survey instrument main unit having a light receiving unit for receiving the reflected laser beam, and a reflecting object for reflecting the laser beam irradiated from the survey instrument main unit main unit of the survey instrument.Type: GrantFiled: January 29, 1997Date of Patent: November 30, 1999Assignee: Kabushiki Kaisha TOPCONInventors: Fumio Ohtomo, Hiroyuki Nishizawa, Yoshikatsu Tokuda, Ken-ichiro Yoshino, Toshikazu Adegawa
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Patent number: 5987945Abstract: A safety closure for controlled access, that includes an inner and outer unit mounted on a door to drive a main bolt and a privacy bolt. The outer unit has an armored chassis with a primary tube of the actuating handle and carrying a secondary tube having a square axis that drives the main latch. A retractable tenon provides the connection between the primary and secondary tubes and a retractor treadle is in permanent contact with the retractable tenon and a rocker having elastic arms that drives the retractor treadle. A motorize actuator is activated by an electronic card reader. The motorized actuator or an emergency handle may actuate the rocker in opposite directions. The inner tube has first and second pushing tabs symmetrically arranged in mutual opposition whereby the pushing tabs act independently of each other in response to the direct or opposite turning of the inner actuating handle to actuate the privacy bolt. An emergency lock cylinder drives the emergency handle.Type: GrantFiled: January 20, 1998Date of Patent: November 23, 1999Assignee: Talleres De Escoriaza, S.A.Inventor: Luis Angel Ruano Aramburu
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Patent number: 5985798Abstract: An adjuvant for glyphosate having increased activity, lower irritancy and lower toxicity than conventional adjuvants, and method of controlling weeds using the same. The adjuvant is C.sub.8 to C.sub.22 sarcosinate or sarcosinate salt, such as sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, or combinations thereof, which is combined with glyphosate in low concentrations and provides effective activity.Type: GrantFiled: June 4, 1998Date of Patent: November 16, 1999Assignee: Hampshire Chemical Corp.Inventor: Joseph J. Crudden
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Patent number: 5979948Abstract: Length-convertible latch with a front box (2) inside a cylindrical receptacle (7) joined to the rear body (4) with the locking nose (6) fixed lengthwise and with a transverse cavity in the body (4) where the nose (6) can be transversally accommodated against an elastic ring (16) only in its angular position of rest and be disengaged from a first pair (9, 13) of transverse lugs of the driving arm (3) to become located in a second pair (10, 14) of transverse lugs--where arm (3) and body (4) are displaced relatively, and becoming engaged in this new position.Type: GrantFiled: January 15, 1998Date of Patent: November 9, 1999Assignee: Talleres De Escoriaza, S.A.Inventor: Luis Angel Ruano Aramburu
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Patent number: 5976645Abstract: Vertically draining synthetic turf having reduced abrasiveness and increased resilience compared to conventional synthetic turfs. The vertical draining system of the present invention prevents water from accumulating on the turf surface, which could cause the top-dressing layer to "float" and be moved by inundation. The draining system of the present invention incorporates a porous geotextile membrane between an open graded aggregate layer and a sand layer above the aggregate layer to prevent the movement of one aggregate layer into the other. The top-dressing layer consists of resilient particles, preferably a mixture of high and low density rubber. The pile fabric preferably includes an isotropic non-woven backing to add dimensional stability.Type: GrantFiled: June 1, 1998Date of Patent: November 2, 1999Assignee: Safturf International LimitedInventors: Daniel A. Daluise, Paul R. Lioi