Patents Represented by Law Firm Armstrong, Nikaido, Marmelstein, Kubovcik & Murray
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Patent number: 5152679Abstract: A turbo molecular pump includes a magnetic bearing system which includes a rotor having an impeller connected to a shaft and a motor. A stator is positioned between the shaft and the impeller. Radial magnetic bearings, an active axial magnetic bearing and emergency bearings are each provided between the rotor and the stator. The radial magnetic bearings include passive magnetic bearings provided on the rotor and the stator respectively. The axial magnet bearing is disposed in the vicinity where the impeller is connected to the shaft. The emergency bearings are disposed on a low vacuum side with one emergency bearing being positioned near the axial magnetic bearing. A diameter of the shaft is made smaller than an inside diameter of the emergency bearing near the axial magnetic bearing. By this arrangement, only one control axis is necessary for controlling the position of the rotor. Disassembling of the shaft and impeller is easy and contamination of the high vacuum side can be prevented.Type: GrantFiled: August 6, 1991Date of Patent: October 6, 1992Assignee: Ebara CorporationInventors: Yoichi Kanemitsu, Yuji Shirao
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Patent number: 5151751Abstract: A method giving a color tone-evaluating result which catches the deepness and transparency feelings of a coating film in an objective manner, and a device for use of this method. The evaluating results are obtained by projecting a luminous flux on a coating film, the high light saturation and/or high light excitation purity of the coating film are gotten on a basis of a high light part which is in an angle range of 5.degree. to 15.degree. against the regularly reflecting luminous flux in the reflecting light, and that, if necessary, the shade saturation and/or shade excitation purity are gotten on a basis of a shade part which is in an angle range exceeding 15.degree..Type: GrantFiled: July 18, 1990Date of Patent: September 29, 1992Assignee: Nippon Paint Co., Ltd.Inventors: Takashi Nakajima, deceased, Misao Morita
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Patent number: 5150478Abstract: Method for producing a modulable garment by assembling pieces (1) having assembling lines (2) reproducing a single diamond-shaped basic design. The pieces are provided with fastening means (3) such as press-studs placed along the assembling lines and are so arranged that the diamond-shaped pieces have their large diagonal (d) oriented vertically. The top and bottom parts of the garment are each formed by a row of four pieces defining four diamond shapes assembled by their angles situated at the ends of the small diagonals.Type: GrantFiled: October 31, 1990Date of Patent: September 29, 1992Assignee: Mauricette NiedajkaszaInventors: Mauricette Niedajkasza, Bruno Niedajkasza, Catherine Niedajkasza
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Patent number: 5150614Abstract: The invention is directed to a liquid level sensing device having a float (4) configured as a hollow body and slidably mounted on a slide tube (3) for the actuation of reed-type switches (11) provided in the interior of the slide tube (3). In order to perform a check for proper functioning, the float (4) is movable independently of the filling level into a signalling position by an electromagnetic actuation device (15). The hollow space (7) of the float (4) contains a gas pressurized to above or below atmospheric and is connected via a flexible tube (12) to a pressure monitoring device (13) which responds whenever the gas pressure deviates from a predetermined value.Type: GrantFiled: June 25, 1991Date of Patent: September 29, 1992Inventor: Manfred Urich
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Patent number: 5150863Abstract: A door for an amenity receiving section of a lavatory unit for a passenger airplane formed from honey-comb panels the door having a narrow width length plate and a structure wherein one side edge lengthwise thereof is curved, and a straight rigid rod is secured adjacent to the curved side edge lengthwise of the door and having a spring action for pressing a curved convex portion of the door to exert a spring force on the inside of the receiving section.Type: GrantFiled: July 17, 1991Date of Patent: September 29, 1992Assignee: Jamco CorporationInventor: Hiroyuki Hozumi
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Patent number: 5150506Abstract: A method for assembling exterior parts of a motorcar wherein assembling accuracy errors of a motor car body are determined by measuring positions of a plurality of reference points of said motorcar body. Correction data is calculated relating to respective assembling positions of plural kinds of the exterior parts which form an external shape of the motorcar, the calculation being performed on the basis of measured data obtained in the previous step, while maintaining a correlative relationship among said parts, to eliminate correlative misalignment among said parts due to the assembling accuracy errors of said motorcar body. Each of said parts is then assembled by respective assembling robots to respective assembling position which has been corrected in accordance with the calculated correction data.Type: GrantFiled: December 18, 1990Date of Patent: September 29, 1992Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Katuo Kotake, Michihiro Kitahama, Keizaburo Otaki, Akira Miyazaki, Masayuki Abe, Shoji Okahara, Manabu Tuchida, Yukihiro Yaguchi, Hiroyuki Furuya, Takeshi Nakamura
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Patent number: 5150552Abstract: A building method and system for the progressive construction of extensions in a dwelling, where the layout of the extension has been previously established. The system is composed of three stages. In the first stage, only the necessary foundations are built, a limited number of precast vertical wall reinforcements and a temporay roofing are installed. In the second stage, load bearing walls are erected and fixed to the initial vertical wall reinforcements with mortar keys that fill indentations in the precast elements, complimentary wall reinforcements are poured and lintels, doors and windows are installed. In the third stage, the temporary roofing is relocated at a second extension while in the first extension a permanent slab is built and the interior partitions and finishes are installed.Type: GrantFiled: February 26, 1992Date of Patent: September 29, 1992Inventor: Craig Davis-Arzac
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Patent number: 5150534Abstract: An apparatus for the bilateral blowing of a treatment gas onto a web-shaped material comprises a treatment space for the approximately rectilinearly moved web-like or sheet-like material, nozzle ribs arranged on both sides of the web-like or sheet-like material for introducing the treatment gas stream into the treatment space and radial fans for generating the treatment gas stream on the one hand and symmetrical extraction of the treatment gas from the treatment space on the other hand; each radial fan is installed into a 360.degree. spiral housing; the two radial fans are arranged point symmetrical at 180.degree. and each blow into a blow-out duct disposed on the longitudinal side of the apparatus; and each blow-out duct comprises a first region of constant or approximately constant cross-setion and a distributor piece with cross-section diminishing in the flow direction.Type: GrantFiled: March 19, 1991Date of Patent: September 29, 1992Assignee: WSP Ingenieurgesellschaft fur Warmetechnik, Stromungstechnik und Prozesstechnik mit beschrankter HaftungInventor: Carl Kramer
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Patent number: 5151576Abstract: A heatable roll, in particular for processing web-like materials, for example paper, which includes a roll body having peripheral passages or bores which are preferably arranged parallel to the axis of the roll body, and at least one, and preferably two, screwed-on flange journals. Heating elements are arranged in the bores which extend in the axial direction parallel to the roll body.Type: GrantFiled: August 8, 1991Date of Patent: September 29, 1992Assignee: Schwabische Huttenwerke GmbHInventor: Heinz-Michael Zaoralek
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Patent number: 5148786Abstract: An air cleaner is fixed, at least at a fixing portion of the air cleaner, to a motorcar body reinforcing member which is provided in an engine room to increase the supporting rigidity of the air cleaner. The air intake duct is disposed around the reinforcing member so that the duct length can be increased and the duct can be laid out in a space-efficient manner.Type: GrantFiled: January 3, 1992Date of Patent: September 22, 1992Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Yasuo Matsumura, Atsushi Niimi
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Patent number: 5149428Abstract: A water filter with improved filtration efficiency and extended operational period. The filter includes a cassette member filled with filtration and activation agents, where a water path connecting a water inlet pipe and an open upper end of the cassette member is formed between an outer housing member and the cassette member, while an open lower end is directly connected with the water inlet pipe; a center pipe located inside the cassette member for connecting an inside of the cassette member with a water outlet pipe; and a damper member placed inside the cassette member which is vertically slidable along the center pipe, which divides the inside of the cassette member into an upper filtration chamber connected with the upper end and a lower filtration chamber connected with the lower end, where the water flows through the upper filtration chamber from the upper end and the lower filtration chamber from the lower end alternatively.Type: GrantFiled: January 18, 1991Date of Patent: September 22, 1992Assignee: Atlas CorporationInventor: Yukichi Morimoto
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Patent number: 5149469Abstract: A method of manufacturing a wound dressing having microscopic web-like interconnections and a porous structure of continuous pores throughout the wound dressing. In the first embodiment of the method, the dressing is produced by the steps of heating while simultaneously stirring a biocompatible material and solvent to form a homogenous solution; cooling while simultaneously stirring the homogenous solution to form a gel made of a dispersion of gel particles of the biocompatible material and freeze-drying the gel. In a second embodiment of the method, the wound dressing is produced by heating while simultaneously stirring a biocompatible material and the solvent to form a homogenous solution, cooling while simultaneously stirring the homogenous solution to form a gel made of a dispersion of gel particles of the biocompatible material; warming while simultaneously stirring the gel, allowing the warm gel to cool to form a soft gel and freeze-drying the soft gel.Type: GrantFiled: March 26, 1991Date of Patent: September 22, 1992Assignee: Nippon Zeon Co., Ltd.Inventors: Shigeru Komatsuzaki, Toshinobu Hirayama, Tetsuo Toyokawa
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Patent number: 5149379Abstract: The present invention relates to a method of cleaning the outer circumferential surface of a drum by spraying a cleaning fluid thereon and a device for cleaning drums. The cleaning fluid is circulated and is cleaned with a filter during circulation. The drum is cleaned with a cleaning fluid passed through a primary filter having a porous structure at high pressure, after which the drum is cleaned with a cleaning fluid passed through a finishing filter having a fine porous structure. A device for cleaning drums switches a circulating passage for cleaning fluid so that the cleaning fluid can pass through the primary filter at high pressure to spray on the outer circumferential surface of the drum. Also, the device allows the cleaning fluid to pass through the finishing filter at low pressure to spray on the outer circumferential surface.Type: GrantFiled: October 25, 1990Date of Patent: September 22, 1992Assignee: Mita Industrial Co., Ltd.Inventor: Masaru Gotoh
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Patent number: 5148851Abstract: Sand is charged into a space in a mold flask by a sand feed nozzle provided on the lower end part of a blow head inserted into a sand charge port formed in the top wall of the mold flask. The blow head is further lowered after completion of the charging so as to deeply insert the sand feed nozzle in the sand charge port in order to press the sand in the vicinity of the sand charge port within the mold flask, thereby uniformly compacting the entire sand in the space.Type: GrantFiled: June 27, 1991Date of Patent: September 22, 1992Assignee: Sintokogio Ltd.Inventor: Yutaka Murata
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Patent number: 5148852Abstract: A compressed air blowing apparatus for supplying compressed air to molding sand placed in a flask is arranged in such a manner that its compressed air reservoir tank is constituted by a surface-plate frame and a cover, the frame having a compressed-air outlet port which can be opened/closed by a sectioning device and a piston which can be vertically moved. The sectioning device is constituted by concentrically disposed large and small cylindrical members by a cover member secured to the large and small cylindrical members having air feed holes formed between the large cylindrical member and the small cylindrical member and by connecting duct for communicating the outside of the cylindrical member with the inside of the small cylindrical members.Type: GrantFiled: December 10, 1991Date of Patent: September 22, 1992Assignee: Sintokogio, Ltd.Inventor: Ukichi Oishi
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Patent number: 5148678Abstract: An exhaust gas flow control valve for an internal combustion engine comprises a body, a diaphragm actuator and a bracket. The body is equipped with an exhaust passage and a valve member arranged in the exhaust passage. The bracket is equipped with an actuator mounting seat for mounting the diaphragm actuator and a body mounting seat connected to the body. The diaphragm actuator is equipped with a casing connected to the actuator mounting seat of the bracket, a diaphragm cased in the casing and a rod protruding from the diaphragm and out of the casing for actuating the valve member in accordance with the action of the diaphragm. Between the actuator mounting seat of the bracket and the diaphragm of the diaphragm actuator, moreover, there is formed an insulating layer for insulating the heat to be transferred to the diaphragm.Type: GrantFiled: December 20, 1990Date of Patent: September 22, 1992Assignee: Aisan Kogyo Kabushiki KaishaInventors: Hironori Ueda, Kazumichi Hanai, Hitoshi Takeuchi, Kazutaka Nakamichi, Takashi Kubota
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Patent number: 5148100Abstract: A handler used in a testing system for semiconductors includes an arm shaped conveyer unit for conveying a semiconductor device from a first end thereof to a second end thereof and vice versa,a loader/unloader unit which is provided at the first end of the conveyer unit, a setting unit which is provided at the second end of the conveyer unit, and an adjusting unit for adjusting the setting unit on a testing position which is a predetermined position with respect to a test head. The conveyer unit includes a ring shaped conveyer belt which is rotated between the first end of the conveyer unit and the second end thereof, and a plurality of holders each of which is fixed on an outer surface of the conveyer belt and holds the semiconductor device.Type: GrantFiled: September 10, 1991Date of Patent: September 15, 1992Assignee: Fujitsu Miyagi Electronics LimitedInventor: Takashi Sekiba
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Patent number: 5147168Abstract: A loading and unloading airlock apparatus for a vacuum treatment chamber which includes an airlock chamber, a transport mechanism inside the chamber to transport a substrate holder arranged to have substrates detachably mounted thereon, an exhaust port to evacuate the chamber to a vacuum, a gas inlet port to introduce a gas to bring the evacuated chamber back to atmospheric pressure, a rectifying plate provided in the chamber adjacent to and at a predetermined distance away from the substrate holder on that side of the substrate holder upon which the substrates are detachably mounted, and a gas introduction pipe having a gas ejection outlet in said chamber for introducing additional gas in a space defined by the predetermined distance to flow along the surfaces of the substrates and the substrate holder.Type: GrantFiled: December 14, 1989Date of Patent: September 15, 1992Assignee: Nihon Shinku Gujutsu Kabushiki KaishaInventors: Hidenori Suwa, Shinichi Ono, Hiroyuki Hirano, Humio Naruse
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Patent number: RE34073Abstract: This invention relates to a method of annoucing a low level of the remaining liquid in a dropper. According to the present invention, two electrodes are attached to the outer surface of a dropper, and a pulse of a stable level is applied to one of these electrodes. The remaining quantity of the liquid in the dropper can be detected automatically with ease by utilizing the variations of the electrostatic capacity occurring between these two electrodes. An annunciator is activated when it receives a signal representative of a low level of the liquid in the dropper, to inform a nurse of the necessity of replacing the dropper.Type: GrantFiled: January 3, 1991Date of Patent: September 22, 1992Assignee: Toho Plastic Co., Ltd.Inventor: Takeo Suzuki
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Patent number: PP7997Abstract: The invention is bud mutation of `Yataka`. This is generally similar to `Yataka` with respect to trunk, branch, leaves, flowers, but it is distinguished from `Yataka` because it develops fruit color with solid red over all.Type: GrantFiled: January 23, 1990Date of Patent: October 6, 1992Assignee: Nakajima Tenkoen Co., Ltd.Inventor: Ryozo Yahagi