Patent application number | Description | Published |
20110023768 | DEVICE CLOSELY CONTACTING OBJECT SURFACE AND MOVABLE - A device capable of adhering to and moving along the surface of an object, comprising: | 02-03-2011 |
20120090111 | WORKING DEVICE FOR AN INTERNAL PIPE AND WORKING METHOD FOR THE SAME - Provided are a method and a device for performing work in pipelines, whereby it is possible to exert an extremely large driving force within a pipeline. Moreover, provided are a method and a device for performing work in pipelines, which are provided with a means for forcibly drying the wet inner surface of a pipeline. The device is provided with an annular pressure boundary seal with a free-end portion that comes into contact with the inner wall of the pipeline. The seal separates the space within the pipeline into two spaces, a space (A) and a space (B), using the seal as a boundary. The end of the space (A) adjacent to the seal is connected with a suction pump via a hose, while the other end of the space (A), which is not adjacent to the seal, is connected with the fluid surrounding the pipeline via a vacuum breaker that adjusts the negative pressure within the space (A). A hose is disposed in the space (B) and the end of the space (B), which is not adjacent to the seal, is connected with the fluid that surrounds the pipeline. | 04-19-2012 |
20120192897 | METHOD AND DEVICE FOR WORK INSIDE PIPES - PROBLEM TO BE SOLVED: To provide “working device for internal pipe and working method for the same” characterized in that the travelling force in pipe is very large. | 08-02-2012 |
20120313326 | SELF-SEALING FLEXIBLE SEAL FOR SEALING INNER SURFACE OF TUBE AND MOVABLE BODY FOR INSIDE TUBE EQUIPPED WITH SAID SEAL - A self-sealing flexible seal includes a seal component A and a seal component B, each being hollow ball-like. In the portion of two pole parts of the each seal component, there is one annular opening per pole. The form of two seal components is similar figures, and two seal components are formed from a flexible material. The seal component A is arranged on the outside of the seal component B. The seal component A and the seal component B are arranged by a two-sheet pile, and are arranged in the state where it moreover contacted. Each of the seal component A and the seal component B possesses the slits of N pieces which have similar figures, the form of each slit is the form prolonged from the near side of the annular opening to the near side of another annular opening | 12-13-2012 |
20140014430 | TRAVELLING DEVICE EQUIPPED WITH DUAL, ROTATING, NEGATIVE-PRESSURE SUCTION SEALS - To improve the traveling functionality of a traveling device equipped with dual, rotating, negative-pressure suction seals. Provided is a traveling device equipped with dual, rotating, negative-pressure suction seals, which is characterized in that: a single, rotating, negative-pressure suction seal is respectively provided to the left and the right of the axis of travel of the traveling device; the distance between the rotational axis of one of the negative-pressure suction seals and the axis of travel is substantially equal to the distance between the rotational axis of the other negative-pressure suction seal and the axis of travel; the outer peripheral shape of each negative-pressure suction seal forms a shape comprising a farthest outer peripheral end portion, which is the outer peripheral end portion farthest from the rotational axis, and a nearest outer peripheral end portion, which is the outer peripheral end portion nearest to the rotational axis; and a driven wheel is provided inside each negative-pressure suction seal. | 01-16-2014 |
20150121646 | WORKING DEVICE CAPABLE OF MOVING INSIDE PIPE - A working device is capable of moving inside a pipe, whereby it is possible to exert the extremely large driving force in the pipe, and provided the device for performing the work sufficiently such as the cleaning, the vacuum recovering, and the forcibly drying the wet internal surface of the pipe. The device which moves along the pipe and operates on the internal surface of the pipe, comprising: material feeding pipe, pressure boundary partition, pressure boundary seal, nozzle unit, material feeding hose, traveling device, feeding device of the surface processing material, vacuum generating means, negative pressure space, and environment pressure space. Wherein, negative pressure space and environment pressure space are defined in the pipe by pressure boundary partition and pressure boundary seal, and vacuum breaking valve mechanism maintains fixedly the differential-pressure between the negative pressure space and the environment pressure space, and which makes the environment fluid to flow into the negative pressure space from the environment pressure space. | 05-07-2015 |
20150211102 | SURFACE PROCESSING DEVICE - A surface processing device comprising at least: a cylinder-shaped blast housing provided with the 1st opening and the 2nd opening; an annular vacuum seal which seals the gap between the blast housing and the object surface; a nozzle which injects surface processing substances toward the object surface; a parallel motion mechanism to make the nozzle be reciprocated in parallel along the object surface; a sheet belt for covering the 2nd opening; and a vacuum generating means for decompressing the space enclosed by the object surface, the blast housing, the vacuum seal and the sheet belt. Therein, a traveling means such as drive wheels is provided, the parallel motion mechanism to make the nozzle be reciprocated in parallel along the object surface in a direction that intersects with the traveling direction of the surface processing device, and the nozzle is also reciprocated in a direction that intersects with the direction in which the nozzle is reciprocated in parallel along the object surface. | 07-30-2015 |
Patent application number | Description | Published |
20120135628 | CONTACT DEVICE - A movable contact includes a contact base and a contact body upstanding from an end of the contact base. The holder includes a first holding portion constructed to hold the contact base such that the first holding portion is in contact with one surface of the contact base, the surface being opposite an other surface of the contact base from which the movable contact upstands, a second holding portion constructed to hold the contact base such that the second holding portion is in contact with the other surface of the contact base at a distal end of the contact base with reference to the contact body, and a disengagement-prevention portion provided at a proximal end of the contact base with reference to the contact body, on the one side of the contact base, and spaced away from the contact base, and constructed to prevent the movable contact from being detached from the holder. | 05-31-2012 |
20120325631 | FIXED CONTACT STRUCTURE - There is provided a fixed contact structure, including: a substrate; at least one fixed contact which is disposed on the substrate; a movable contact which slides on the corresponding fixed contact in a sliding direction; a resist layer which is consecutively disposed on the substrate outside both ends of the fixed contact with respect to the sliding direction; and gaps which are formed outside both ends of the fixed contact with respect to a direction orthogonal to the sliding direction. | 12-27-2012 |
20150068876 | COMBINATION SWITCH - In a combination switch, cams having concave and convex surfaces are provided on an opposing surface of a disk-shaped opposing wall that faces a fog switch knob in the axial direction in the inside of a fixed knob. An elastic contact mechanism is provided at a part of the fog switch knob that faces the fixed knob to come into elastic contact with the concave and convex surfaces to hold an operation position of the fog switch knob. The inside of the elastic contact mechanism is filled with grease. The opposing surface of the fixed knob and the concave and convex surfaces and the outer peripheral surfaces of the cams are formed in a minor surface state with a surface roughness lower than the surface roughness of the other general parts. | 03-12-2015 |
Patent application number | Description | Published |
20090186992 | THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE THEREOF - An object of the present invention is to provide a resin composition which is increased in heat resistance (high crystallinity) and transparency without impairing rigidity which a thermoplastic resin inherently has and a molded article containing the resin composition. A thermoplastic resin composition relating to the present invention includes a thermoplastic resin (A) and a crystal nucleating agent (B) composed of tris(amino acid ester)amides of trimesic acid. The crystal nucleating agent (B) is preferably tris(valine ester)amides of trimesic acid or tris(leucine ester)amides of trimesic acid, and the thermoplastic resin (A) is preferably a lactic acid resin and more preferably a polylactic acid. | 07-23-2009 |
20090203852 | POLYLACTIC ACID RESIN COMPOSITION AND MOLDED ARTICLE THEREOF - An object of the present invention is to provide a resin composition having improved heat resistance (high crystallinity) and transparency without impairing rigidity which a polylactic acid resin inherently has, and a molded article composed of the resin composition. A polylactic acid resin composition of the present invention contains 100 parts by weight of a polylactic acid compound (A) having a specific moiety represented by the formula (1): -X | 08-13-2009 |
20090259000 | POLYLACTIC ACID RESIN COMPOSITION, MOLDED ARTICLE THEREOF AND POLYLACTIC ACID COMPOUND - An object of the present invention is to provide a resin composition having increased heat resistance (high crystallinity) and transparency without impairing rigidity which a polylactic acid resin inherently has, a molded article composed of the resin composition and a novel polylactic acid compound used in the resin composition. A polylactic acid resin composition of the present invention contains a linear polylactic acid compound (A) having a moiety represented by the formula (1): —X | 10-15-2009 |
20100331464 | POLYLACTIC ACID BASED RESIN, POLYLACTIC ACID BASED RESIN COMPOSITION, MOLDED BODY OF POLYLACTIC ACID BASED RESIN OR POLYLACTIC ACID BASED RESIN COMPOSITION, AND METHOD FOR PRODUCING POLYLACTIC ACID BASED RESIN - It is an object of the present invention to provide a resin composition having improved heat resistance (high crystallinity) and transparency without impairing rigidity intrinsic to a polylactic acid based resin, a molded body formed from the resin composition, and a new polylactic acid based resin used in the resin composition. A polylactic acid based resin (A) according to the present invention is characterized by having a specific structural moiety and a weight average molecular weight (Mw) of 5,000 to 1,000,000. A polylactic acid based resin composition according to the present invention is characterized by containing the above-described polylactic acid based resin (A). | 12-30-2010 |
20120021234 | LOW-THERMAL-EXPANSION BLOCK POLYIMIDE, PRECURSOR THEREOF, AND USE THEREOF - Provided is a low-cost polyimide, containing cyclohexane diamine as a diamine unit, that has a low thermal expansion coefficient. Said block polyimide contains blocks having the repeating structural unit shown in formula (1A) and blocks having the repeating structural unit shown in formula (1B). This block polyimide is preferably obtained by imidizing a block polyamide acid imide that contains blocks having the repeating structural unit shown in formula (2A) and blocks having the repeating structural unit shown in formula (2B). | 01-26-2012 |
Patent application number | Description | Published |
20080297641 | OPTICAL APPARATUS HAVING DEVICE FOR REMOVING FOREIGN SUBSTANCE - An optical apparatus includes a rectangular optical member provided on an optical axis, a supporting member configured to support the optical member, and a rectangular vibrating device stuck to the optical member close to and in parallel with one of four sides of the optical member and configured to vibrate the optical member in a wave fashion to have a plurality of nodes parallel with the one side. The vibrating device is configured to operate in two or more vibration modes differing from one another at least in number or positions of the plurality of nodes. A support position at which the optical member is supported by the supporting member is a position of a portion of the optical member that corresponds to a node in a vibration mode other than a vibration mode whose amplitude is largest among the two or more vibration modes. | 12-04-2008 |
20080297646 | OPTICAL APPARATUS HAVING DEVICE FOR REMOVING FOREIGN SUBSTANCE - An optical apparatus includes a rectangular optical member provided on an optical axis, and a rectangular vibrating device stuck to the optical member close to and in parallel with one of four sides of the optical member and configured to vibrate the optical member in a wave fashion to have a plurality of nodes parallel with the one side. The vibrating device is configured to operate in two or more vibration modes differing from one another at least in number or positions of the plurality of nodes. | 12-04-2008 |
20080297651 | OPTICAL APPARATUS HAVING DEVICE FOR REMOVING FOREIGN SUBSTANCE - An optical apparatus includes a rectangular optical member provided on an optical axis, a supporting member configured to support the optical member, and a rectangular vibrating device stuck to the optical member close to and in parallel with one of four sides of the optical member and configured to vibrate the optical member in a wave fashion having a predetermined wavelength to have a plurality of nodes parallel with the one side. A support position at which the optical member is supported by the supporting member at a side opposite the one side of the optical member is located inward from the opposite side by ¼ the predetermined wavelength. | 12-04-2008 |
20090015705 | DRIVING DEVICE FOR REMOVING FOREIGN SUBSTANCE SUCH AS DUST AND IMAGE PICKUP APPARATUS - A driving device and an image pickup apparatus including the driving device capable of reliably detecting a vibration state of a vibrated member even when a piezoelectric element including as a control circuit an H-bridge circuit which contributes miniaturization of the circuit is employed are provided. In this driving device, a single piezoelectric member including a first driving electrode and a vibration detection electrode on a first side and a second driving electrode and a ground electrode on a second side is attached to an optical low-pass filter serving as the vibrated member so as to vibrate the optical low-pass filter. Furthermore, the vibration detection electrode is used to detect the vibration status of the optical low-pass filter. | 01-15-2009 |
20100246001 | OPTICAL APPARATUS - An optical apparatus includes a vibrated member and a piezoelectric element. The piezoelectric element vibrates the vibrated member at a predetermined vibration mode to remove a foreign substance adhered to a surface of the vibrated member. A drive electrode, a first vibration detection electrode and a second vibration detection electrode are provided on a first face of the piezoelectric element, and a ground electrode is provided on a second face of the piezoelectric element. The first vibration detection electrode and the second vibration detection electrode have an axis-symmetrical shape, and are arranged on the first face of piezoelectric element so as to be symmetrical with respect to an axis along which a predetermined vibration node occurs when the vibrated member vibrates at the predetermined vibration mode. | 09-30-2010 |
20110052185 | CONVERSION ADAPTOR APPARATUS AND INTERCHANGEABLE LENS SYSTEM - A conversion adapter apparatus is provided that connects a camera body and an interchangeable lens. The conversion adapter apparatus includes a camera body side installation portion to receive a camera body, a lens side installation portion to receive an interchangeable lens, and a first communication contact group provided on the camera body side installation portion and connected to a communication contact group. The conversion adapter apparatus additionally includes a second communication contact group provided on the lens side installation portion and connected to the communication contact group and a conductive member that electrically connects the first communication contact group and the second communication contact group. A position of the first communication contact group around a camera optical axis and a position of the second communication contact group around the camera optical axis are different from each other. | 03-03-2011 |
20140248047 | CONVERSION ADAPTOR APPARATUS AND INTERCHANGEABLE LENS SYSTEM - A conversion adapter apparatus is provided that connects a camera body and an interchangeable lens. The conversion adapter apparatus includes a camera body side installation portion to receive a camera body, a lens side installation portion to receive an interchangeable lens, and a first communication contact group provided on the camera body side installation portion and connected to a communication contact group. The conversion adapter apparatus additionally includes a second communication contact group provided on the lens side installation portion and connected to the communication contact group and a conductive member that electrically connects the first communication contact group and the second communication contact group. A position of the first communication contact group around a camera optical axis and a position of the second communication contact group around the camera optical axis are different from each other. | 09-04-2014 |
Patent application number | Description | Published |
20120188639 | FOREIGN SUBSTANCE REMOVAL UNIT AND OPTICAL APPARATUS INCLUDING FOREIGN SUBSTANCE REMOVAL UNIT - A foreign substance removal unit includes an optical member, disposed in an optical path, which is rectangular-shaped and in which an optical effective area for a light flux to pass through is set, and a piezoelectric element including a piezoelectric member, and a driving electrode, and a sensor electrode formed on a surface of the piezoelectric member. The piezoelectric element is stuck to a surface of the optical member outside the optical effective area and along one side of the optical member. The sensor electrode is formed on the surface of the piezoelectric member to be positioned within a range of the optical effective area in a side direction of the optical member to which the piezoelectric element is stuck. | 07-26-2012 |
20120200922 | FOREIGN MATTER REMOVAL UNIT AND OPTICAL APPARATUS HAVING THE SAME - A foreign matter removal unit includes a rectangular optical member disposed on an optical path, in which is set an optically effective region through which a light flux passes, a piezoelectric device provided to a side of the optical member on the outer side of the optically effective region, and a vibration suppression member provided to a side of the optical member where the piezoelectric device is not provided. The vibration suppression member is provided to the optical member such that an edge face of the side of the optical member does not protrude out from an edge face of the vibration suppression member. | 08-09-2012 |
20120236412 | FOREIGN SUBSTANCE REMOVAL APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME - A foreign substance removal apparatus detects how large difference is generated between a time phase of a vibration detected when a bending vibration of an m-order vibration mode is excited at an optical low-pass filter | 09-20-2012 |
20130250417 | VIBRATING APPARATUS, DRIVING APPARATUS HAVING THE VIBRATING APPARATUS, AND OPTICAL DEVICE - A vibration apparatus includes a vibrating body that includes a piezoelectric material having a lead content of less than 1000 ppm, and has an electromechanical energy converting element having an electrode; and a control unit that applies at least two driving voltages to the electromechanical energy converting element, and generates a combined vibration by providing a time phase difference to the vibrating body and generating multiple stable waves having mutually different orders; wherein the control unit changes at least one of the voltage amplitude ratio and time phase difference of at least two driving voltages, so as to change the amplitude distribution of the combined vibration. | 09-26-2013 |
20140009830 | VIBRATION MEMBER DRIVING METHOD, VIBRATING DEVICE, DRIVING DEVICE INCLUDING VIBRATING DEVICE, AND OPTICAL APPARATUS - A vibration member driving method is provided which can efficiently move driven objects, including dust, in a predetermined direction with vibrations. | 01-09-2014 |
Patent application number | Description | Published |
20090032965 | Seminconductor device having P-N column portion - A semiconductor device includes: a first semiconductor layer; a p-n column portion over the first semiconductor layer and including second and third semiconductor layers, which are alternately arranged; and a peripheral portion adjacently to the p-n column portion and including a fourth semiconductor layer. An end second semiconductor layer has an impurity amount equal to or larger than a half of other second semiconductor layers. The third semiconductor layers include a large impurity amount portion adjacent to the end second semiconductor layer. The large impurity amount portion includes at least one third semiconductor layer having an impurity amount larger than an impurity amount of other third semiconductor layers. | 02-05-2009 |
20120060751 | MANUFACTURING METHOD OF SILICON CARBIDE SINGLE CRYSTAL - A manufacturing method of a SiC single crystal includes growing a SiC single crystal on a surface of a SiC seed crystal, which satisfies following conditions: (i) the SiC seed crystal includes a main growth surface composed of a plurality of sub-growth surfaces; (ii) among directions from an uppermost portion of a {0001} plane on the main growth surface to portions on a periphery of the main growth surface, the SiC seed crystal has a main direction in which a plurality of sub-growth surfaces is arranged; and (iii) an offset angle θ | 03-15-2012 |
20120073495 | MANUFACTURING METHOD OF SILICON CARBIDE SINGLE CRYSTAL - In a manufacturing method of a silicon carbide single crystal, a seed crystal made of silicon carbide is prepared. The seed crystal has a growth surface and a stacking fault generation region and includes a threading dislocation that reaches the growth surface. The growth surface is inclined at a predetermined angle from a (0001) plane. The stacking fault generation region is configured to cause a stacking fault in the silicon carbide single crystal when the silicon carbide single crystal is grown. The stacking fault generation region is located at an end portion of the growth surface in an offset direction that is a direction of a vector defined by projecting a normal vector of the (0001) plane onto the growth surface. The seed crystal is joined to a pedestal, and the silicon carbide single crystal is grown on the growth surface of the seed crystal. | 03-29-2012 |
20120132132 | MANUFACTURING METHOD OF SILICON CARBIDE SINGLE CRYSTAL - A manufacturing method of a SiC single crystal includes a first growth process and a re-growth process. In the first growth process, a first seed crystal made of SiC is used to grow a first SiC single crystal. In the re-growth process, a plurality of growth steps is performed for (n−1) times. In a k-th growth step, a k-th seed crystal is cut out from a grown (k−1)-th SiC single crystal, and the k-th seed crystal is used to grow a k-th SiC single crystal (n≧2 and 2≦k≦n). When an offset angle of a growth surface of the k-th seed crystal is defined as θ | 05-31-2012 |
Patent application number | Description | Published |
20130057981 | SHINGLED MAGNETIC RECORDING (SMR) HEAD WITH BENT TRAILING SHIELD AND METHODS OF PRODUCTION THEREOF - In one embodiment, a magnetic head includes a main pole, a trailing shield positioned near a trailing side of the main pole, a side shield positioned near both sides of the main pole in a cross-track direction, a leading shield positioned near a leading side of the main pole, and a gap positioned between the main pole and the shields, characterized in that Sg | 03-07-2013 |
20140177091 | ASYMMETRIC TRAILING SHIELD WRITER FOR SHINGLED MAGNETIC RECORDING (SMR) - In one embodiment, a magnetic head includes a main pole adapted for producing a writing magnetic field, a trailing shield positioned on a trailing side of the main pole, wherein a trailing gap is positioned between the trailing shield and the main pole, and a side shield positioned on at least one side of the main pole in a cross-track direction, wherein a side gap is positioned between the side shield and the main pole, wherein the main pole has an asymmetrical shape at an air bearing surface (ABS) thereof. In another embodiment, a method may be employed for forming a magnetic head having a main pole that has an asymmetrical shape at an ABS thereof. | 06-26-2014 |
20150162024 | PERPENDICULAR MAGNETIC RECORDING HEAD HAVING A TRAILING SIDE TAPER ANGLE WHICH IS LESS THAN A LEADING SIDE TAPER ANGLE - In one embodiment, a perpendicular magnetic recording head includes a main pole configured to write data to a magnetic medium, a leading-side magnetic shield positioned on a leading side of the main pole in a down-track direction adjacent a media-facing surface of the head, and a trailing-side magnetic shield positioned on a trailing side of the main pole in the down-track direction adjacent the media-facing surface of the head, wherein a trailing side taper is provided on the trailing side of the main pole in the down-track direction, wherein a leading shield taper is provided on a main pole side of the leading-side magnetic shield, and wherein an angle of the trailing side taper relative to a line extending along an element height direction is less than or equal to an angle of the leading shield taper relative to the line extending along the element height direction. | 06-11-2015 |