Patent application number | Description | Published |
20090095087 | Ultrasonic probe, ultrasonic flaw detection method, and ultrasonic flaw detection apparatus - Minute flaws present on the interior of a high (t/D) metal pipe having a ratio (t/D) of the wall thickness t to the outer diameter D of greater than 15% is carried out with high accuracy and certainty by angle beam flaw detection without an accompanying decrease in detection efficiency or cost increase. This is an ultrasonic probe which, as viewed from the center of a high (t/D) metal pipe, performs flaw detection of the metal pipe by obliquely impinging ultrasonic waves from a transducer on the metal pipe and generating refracted longitudinal waves and refracted transverse waves which are propagated inside the metal pipe. The front end portion of the transducer has at least a portion with an asymmetrically curved shape having a radius of curvature which progressively increases from one end towards the other end of the front end portion. The ultrasonic probe is disposed with respect to a metal pipe such that the end having the smaller radius of curvature is positioned on the side away from the direction of propagation of refracted waves, the end having a larger radius of curvature thereof is positioned on the side in the direction of propagation of refracted waves, and angle beam flaw detection is carried out under such conditions that incident waves are generated which generate refracted longitudinal waves which do not reach the inner surface of the metal pipe and refracted transverse waves which are focused on the inner surface of the metal pipe. | 04-16-2009 |
20090217763 | Ultrasonic probe, ultrasonic testing equipment, ultrasonic testing method, and manufacturing method of seamless pipe or tube - The ultrasonic testing method according to the invention includes the steps of arranging an ultrasonic probe | 09-03-2009 |
20090282921 | Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method - There is provided a method capable of evaluating a fastening state of a threaded joint that is used as a joint of pipes or tubes such as OCTG with a high degree of accuracy even after being fastened and a method for fastening a threaded joint of pipes or tubes using the evaluating method. The present invention provides a method for evaluating a fastening state of a threaded joint of pipes or tubes including a pin having an external thread part, a metal seal part, and a shoulder part on an outer peripheral surface, and a box having an internal thread part, a metal seal part, and a shoulder part corresponding to each part of the pin on an inner peripheral surface and being fastened with the pin. The evaluating method according to the present invention is characterized by transmitting and receiving an ultrasonic wave to and from a plurality of locations along an axial direction of the threaded joint in at least one of the internal thread part, the metal seal part, and the shoulder part of the box; detecting echo intensities for the plurality of locations; and comparing the echo intensities detected for the plurality of locations to determine whether the fastening state of the threaded joint is good or bad. | 11-19-2009 |
20100005846 | Ultrasonic testing method and manufacturing method of seamless pipe or tube - A circumferential angle of incidence αi of an ultrasonic wave transmitted from an ultrasonic probe | 01-14-2010 |
20100107766 | Ultrasonic testing method of threaded joint of pipes or tubes - There is provided a method for detecting an abnormal portion (defect, non-adhering portion, and seized portion) lying at a contact region between each part of a pin and each part of a box forming a threaded joint to be used as a joint of pipe or tubes such as OCTG. This invention provides an ultrasonic testing method of a threaded joint of pipes or tubes including a pin having an external thread part, a metal seal part, and a shoulder part on an outer peripheral surface, and a box having an internal thread part, a metal seal part, and a shoulder part corresponding to each part of the pin on an inner peripheral surface and being fastened with the pin by way of a lubricant. The method according to the present invention comprising the steps of: transmitting and receiving ultrasonic waves to and from a plurality of locations along an axial direction of the threaded joint in at least one of the internal thread part, the metal seal part, and the shoulder part of the box; detecting echo intensities and reception times of echoes for the plurality of locations; and detecting an abnormal portion in the threaded joint based on axial directional distribution of the echo intensities and axial directional distribution of reception times of the echoes. | 05-06-2010 |
20110088476 | ULTRASONIC TESTING METHOD AND EQUIPMENT THEREFOR - A ultrasound flaw probing device ( | 04-21-2011 |
20110113885 | ULTRASONIC TESTING METHOD AND EQUIPMENT THEREFOR - An ultrasonic testing equipment includes a linear array ultrasonic probe in which a plurality of transducers are arranged in a direction orthogonal to the rolling direction of a test object and a signal processing unit. The signal processing unit executes following (1) to (6). (1) Generating an aperture synthetic image of testing signals of each section of the test object. (2) Generating a maximum value distribution of testing signals in the arrangement direction of transducers. (3) Calculating the width of a defect in each section based on the maximum value distribution. (4) Generating a maximum value distribution of the testing signals in the rolling direction based on the maximum value distribution of a plurality of sections of the test object. (5) Calculating the length of the defect based on the maximum value distribution of the testing signals in the rolling direction. (6) Calculating the area of the defect based on the calculated defect length and the calculated defect width of each section. | 05-19-2011 |
20110239770 | METHOD AND APPARATUS FOR ULTRASONIC TESTING OF WELD ZONES - Provided are an ultrasonic testing method and an ultrasonic testing apparatus capable of accurately detecting flaws present in a weld zone of a test object, such as a welded pipe, regardless of the position of the flaws. An ultrasonic testing apparatus | 10-06-2011 |
20110283798 | ULTRASONIC TESTING METHOD AND APPARATUS - An ultrasonic testing apparatus | 11-24-2011 |
20120067127 | METHOD OF EVALUATING FASTENING STATE OF THREADED JOINT OF PIPES OR TUBES, METHOD FOR FASTENING THREADED JOINT OF PIPES OR TUBES, AND APPARATUS FOR EVALUATING FASTENING STATE OF THREADED JOINT OF PIPES OR TUBES - The present invention provides a method which allows simply, easily and accurately evaluating the fastening state of shoulder parts of a threaded joint for use as a joint of pipes or tubes, such as OCTG, during fastening or after fastening. The fastening state evaluation method for a threaded joint | 03-22-2012 |
20120067129 | ULTRASONIC TESTING APPARATUS FOR PIPE OR TUBE END PORTION - An ultrasonic testing apparatus for a pipe end portion, which enables accurate ultrasonic testing, comprises an ultrasonic probe disposed under the pipe end portion. The probe | 03-22-2012 |
20120167690 | ULTRASONIC PROBE, ULTRASONIC TESTING EQUIPMENT, AND ULTRASONIC TESTING METHOD - The ultrasonic testing method according to the invention includes the steps of arranging an ultrasonic probe | 07-05-2012 |
20130276540 | ULTRASONIC TESTING APPARATUS FOR PIPE OR TUBE END PORTION AND METHOD OF SETTING INITIAL POSITION OF PROBE HOLDER - An ultrasonic testing apparatus includes an ultrasonic probe disposed under an end portion of a pipe laid in the horizontal direction to face the pipe end portion. The probe transmits ultrasonic waves to the end portion of the pipe and receives the ultrasonic waves therefrom. A probe holder housing the probe includes a coupling medium reserver part which surrounds a space between the probe and the end portion of the pipe to contain a coupling medium W. The coupling medium reserver part includes a part body | 10-24-2013 |
Patent application number | Description | Published |
20090270635 | Diphosphine Ligand and Transition Metal Complex Using the Same - The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. | 10-29-2009 |
20130345444 | PRODUCTION METHOD OF OPTICALLY ACTIVE DIHYDROBENZOFURAN DERIVATIVE - Provided is a production method of an optically active dihydrobenzofuran derivative. A production method of an optically active form of a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof and the like. | 12-26-2013 |
20140171655 | DIPHOSPHINE LIGAND AND TRANSITION METAL COMPLEX USING THE SAME - The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. | 06-19-2014 |
20150051416 | RHODIUM CATALYST AND METHOD FOR PRODUCING AMINE COMPOUND - [Problem] Provision of a superior rhodium catalyst and a production method of amine compound. | 02-19-2015 |
Patent application number | Description | Published |
20100283943 | ROLL OF OPTICAL FILM LAMINATE,AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - A roll of optical-film laminate that increases accuracy, speed and yield in the production of liquid-crystal display elements. The roll of optical film laminate is for use in an apparatus for continuously producing liquid-crystal display elements. The optical film comprises a polarizing composite film of a laminate having a continuous web of polarizer and a protective film superposed on one side of the continuous polarizer, an adhesive layer disposed on one side of the laminate; and a carrier film superposed on the adhesive layer of the polarizing film in a peelable state. Defective and normal regions in the polarizing film are determined According to these determined regions, coded information that specifies positions of slit lines to be formed in the optical-film web are recorded on the continuous web. | 11-11-2010 |
20100288420 | CONTINUOUS METHOD AND SYSTEM FOR MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENTS - A continuous manufacturing method and system for liquid-crystal display elements which enhances accuracy, increases speed and improves in yield in the continuous production of liquid crystal elements. The continuous method and system performs steps of, defining a plurality of defective and normal-polarizing-sheet slitting positions on a continuous web of optical film, based on positions of defects existing in the optical film, and applying only normal polarizing sheets to a liquid-crystal panel. The polarizing sheet includes the defective and normal-polarizing-sheet slitting positions recorded as encoded information which is used to determine whether the polarizing sheet defined between slit lines sequentially formed in the continuous web, is a normal polarizing sheet, peeling the normal polarizing sheet from the carrier film and applying the normal polarizing sheet to the liquid-crystal panel. | 11-18-2010 |
20100316817 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate. | 12-16-2010 |
20120160420 | CONTINUOUS METHOD AND SYSTEM FOR MANUFACTURING LIQUID-CRYSTAL DISPLAY ELEMENTS - A continuous manufacturing method and system for liquid-crystal display elements which enhances accuracy, increases speed and improves in yield in the continuous production of liquid crystal elements. The continuous method and system performs steps of, defining a plurality of defective and normal-polarizing-sheet slitting positions on a continuous web of optical film, based on positions of defects existing in the optical film, and applying only normal polarizing sheets to a liquid-crystal panel. The polarizing sheet includes the defective and normal-polarizing-sheet slitting positions recorded as encoded information which is used to determine whether the polarizing sheet defined between slit lines sequentially formed in the continuous web, is a normal polarizing sheet, peeling the normal polarizing sheet from the carrier film and applying the normal polarizing sheet to the liquid-crystal panel. | 06-28-2012 |
20120180930 | ROLL OF OPTICAL FILM LAMINATE, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - A roll of optical-film laminate that increases accuracy, speed and yield in the production of liquid-crystal display elements. The roll of optical film laminate is for use in an apparatus for continuously producing liquid-crystal display elements. The optical film comprises a polarizing composite film of a laminate having a continuous web of polarizer and a protective film superposed on one side of the continuous polarizer, an adhesive layer disposed on one side of the laminate; and a carrier film superposed on the adhesive layer of the polarizing film in a peelable state. Defective and normal regions in the polarizing film are determined. According to these determined regions, coded information that specifies positions of slit lines to be formed in the optical-film web are recorded on the continuous web. | 07-19-2012 |
20120211167 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate. | 08-23-2012 |
20120216937 | CONTINUOUS WEB OF OPTICAL FILM LAMINATE WITH PREDEFINED SLIT LINES, AND METHOD AND SYSTEM FOR MANUFACTURING THE SAME - An optical film laminate that has predefined slit lines for enhancing both product accuracy and manufacturing speed in liquid-crystal display element manufacturing to radically improve manufacturing yield. The optical film laminate formed as a continuous web with the predefined slit lines for use in a continuous manufacturing system by laminating optically functional film sheets to liquid-crystal panels. The optical film laminate having defect-free regions having a predefined length corresponding to the dimension of a liquid-crystal panel and defective regions having a predefined length different from the defect-free region, based on the detected position of defects. The optical film laminate having a carrier film releasably laminated to an adhesive layer, wherein defect-free normal polarizing sheets and a defective polarizing sheets are formed on the carrier film by forming slit lines corresponding to above regions along the transverse direction of the optical film laminate. | 08-30-2012 |
Patent application number | Description | Published |
20120274840 | Imaging Device - Provided is an imaging device that does not let a user experience a sense of discomfort by touching a support attaching part. The imaging device includes: a support attaching part that is disposed on a support attaching surface and includes a screw hole; and a support attaching part cover that moves between a first position covering the support attaching part and a second position uncovering the support attaching part without generating convexness with regard to the support attaching surface. When a support is attached to the support attaching part, the support attaching part cover moves from the first position to the second position; and when the support is removed from the support attaching part, the support attaching part cover moves from the second position to the first position. | 11-01-2012 |
20120274841 | Imaging Apparatus - An imaging apparatus capable of reducing increase in the temperature of a supporting device coupling section is provided. The imaging apparatus includes a supporting device fixing portion having a screw hole to which a supporting device can be coupled, a supporting device receiving portion which has an exposed surface formed around the entrance of the screw hole and is configured to receive the supporting device, and an exterior section having an outer surface formed around an opening. The supporting device fixing portion and the supporting device receiving portion are formed as separate portions. | 11-01-2012 |
20120275778 | Imaging Apparatus - An imaging apparatus having a protection ring which protects a supporting device coupling section such that it is difficult for a user to touch the supporting device coupling section is provided. A supporting device can be coupled to a camera body, and the camera body includes a supporting device coupling section and a protection ring. The supporting device coupling section has a screw hole to which the supporting device can be coupled, and a supporting device coupling surface which is formed and exposed around the entrance of the screw hole. The protection ring includes a return spring which restricts the position of the protection ring, a return spring stopper which supports the return spring, and a supporting device contact surface which protrudes outward of the exposed surface formed around the entrance of the screw hole of the supporting device coupling section, in a direction toward a housing outside. | 11-01-2012 |
20130308255 | THIN DISPLAY DEVICE - A thin display device includes a display unit and an exterior case. The exterior case accommodates the display unit therein. When accommodated in a packing case, the exterior case | 11-21-2013 |
20140301107 | LIGHTING APPARATUS AND DISPLAY APPARATUS - A lighting apparatus of the present disclosure includes: a light source device having one or more light emitting diodes; a board on which the light source device is provided; a light guide plate having an entrance surface facing a light exit surface of the light source device to allow entry of light therefrom, and a light emission surface which emits the light having entered through the entrance surface, the light guide plate configured to propagate the light having entered through the entrance surface and emit the light through the light emission surface; and an engagement member fixed on the board and engaging the board with the light guide plate, the engagement member configured to prevent relative motion, between the board and an engaged portion of the light guide plate engaged with the board, in a direction in which the light exit surface and the entrance surface face each other. | 10-09-2014 |