| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 033542000 | Internal | 23 |
| 20090249635 | APPARATUS AND METHOD FOR MEASURING DIAMETER OF HOLE - A measuring apparatus is provided for measuring a diameter of a hole. The measuring apparatus includes a sensor unit, a data processing unit, and a display unit. The sensor unit includes a probing member. The probing member includes a plurality of probes with contact ends being arranged on a circumference, and a plurality of angle sensors. The probes are capable of contacting the inner surface of the hole. The angle sensors are arranged on each of the probes to obtain digitally an angle value of each splaying probe contacting the inner surface of the hole. The data processing unit is configured for receiving the angle value generated by the sensor unit and computing the diameter of the hole according to the value of an angle. The display unit is configured for displaying the diameter computed by the data processing unit. A method is also provided for using the measuring apparatus. | 10-08-2009 |
| 20100005676 | INSIDE DIAMETER MEASURING TOOL - An inside diameter measuring tool includes: a main body; an axially moving spindle having a male screw to be screwed to the main body; a plurality of contact pieces provided on the main body, the measuring pieces moving in a direction substantially orthogonal to the axial direction of the spindle; and a conical member interposed between the contact pieces and the spindle, the conical member advancing and retracting the contact pieces in the direction substantially orthogonal to the axial direction of the spindle. The lead of the male screw of the spindle is 1.0 mm or more and the cone angle of the conical member is less than 53 degrees. Preferably, the lead of the male screw is 2.0 mm and the cone angle of the conical member is approximately 28 degrees. | 01-14-2010 |
| 20110314685 | MEASURING AND CHECKING APPARATUS - A plug gauge ( | 12-29-2011 |
| 20120255189 | FIXING MEMBER WITH A RECESS AT THE END OF ITS THREADED SHANK, A MALE ELEMENT, A HANDLING TOOL AND A GAUGE COMPRISING SUCH A MALE ELEMENT - A fixing member comprises a threaded end, one end face of which contains a recess capable of housing a tip, complementary in shape, said recess comprising a peripheral edge in the form of a multilobed continuous curved line. The cross-section of each lobe L is defined by a continuous series of three arcs of a circle, i.e. a first convex arc of a circle with a first radius (R | 10-11-2012 |
| 20150007440 | Inner Diameter Measuring Device - An inner diameter measuring device ( | 01-08-2015 |
| 20150040414 | HOLE-SHAPE MEASURING APPARATUS AND HOLE-SHAPE MEASURING METHOD - A hole-shape measuring apparatus is provided with a hole diameter measuring mechanism which measures the diameter of a flush bolt hole, and a countersunk head depth measuring mechanism which measures a countersunk head depth. The hole diameter measuring mechanism has a hole diameter measuring rod configured so as to be inserted into a constant portion at a tip portion and displaced according to the diameter of the constant portion, and a hole diameter measuring sensor which measures the amount of displacement of the hole diameter measuring rod. The countersunk head depth measuring mechanism has a countersunk head depth measuring rod configured so as to be inserted into a countersunk head portion at a tip portion and displaced according to the countersunk head depth, and a countersunk head depth measuring sensor which measures the amount of displacement of the countersunk head depth measuring rod. | 02-12-2015 |
| 20160102959 | APPARATUS FOR CHECKING DIMENSIONS AND/OR SHAPE OF A MECHANICAL PART - An apparatus for checking dimensions and/or shape includes one or more feelers ( | 04-14-2016 |
| 20160169655 | MEASURING DEVICE | 06-16-2016 |
| 20160187165 | DEVICE FOR THE DIMENSIONAL INSPECTION OF CONTAINERS HAVING CONTACT OPTICAL DETECTION - The invention relates to an inspection device comprising:
| 06-30-2016 |
| 20160202034 | INSPECTION APPARATUSES, SYSTEMS, AND METHODS | 07-14-2016 |
| 033543000 | Concentricity or eccentricity | 1 |
| 20140259717 | CONCENTRICITY TEST DEVICE - A test device for testing concentricity between first and second holes in parallel plates includes a positioning pole and a test pole. The positioning pole includes a head segment having a tapered positioning portion. The positioning pole axially defines a through hole. The test pole is telescopically received in the through hole of the positioning pole. The test pole includes a test head with a diameter slightly less than a diameter of the second hole. The positioning portion of the positioning pole extends into the first hole with the conic section of the positioning portion abutting against an inner wall bounding the first hole. The test head of the test pole faces the second plate and approaches and confirms the concentricity of the hole in the second plate by sliding the test pole relative to the positioning pole. | 09-18-2014 |
| 033543100 | Fluid type | 2 |
| 20090178289 | INTERNAL DIAMETER MEASUREMENT DEVICE - The internal diameter measurement device is inserted into a cavity to measure its internal diameter. The internal diameter measurement device includes: a tubular sheath inserted into the cavity; a balloon which is provided on a distal end portion of the sheath, and is capable of expanding by supplying a fluid to an inner portion thereof; a linear reference member having a first end portion fixed to the distending portion or the distal end portion of the insertion portion, and a second end portion moving towards the distal end of the insertion portion in conjunction with the expansion of the distending portion; and a measuring portion which is provided in a proximal end portion of the insertion portion and is capable of confirming the position of the second end portion of the reference member. This internal diameter measurement device enables accurate measurement irrespectively of dimensions of a pipeline to be measured. | 07-16-2009 |
| 20100186247 | HYDRAULIC MICROMETER SYSTEM FOR REMOTE MEASUREMENT OF INSIDE DIAMETER OF PIPES - A hydraulic micrometer system for remote measurement of inside dimensions such as the inside diameter of long straight/curved pipes and tubes adapted to go deep inside any long straight/curved pipe/tube by way of provision of flexible operative connection there between the micrometer head adapted for traversal deep inside the pipe/tube and the like and a remotely located control unit. Importantly, the micrometer system preferably includes a three-point micrometer for measurement of dimensions of internal diameter and the like or a two point micrometer for measurement of depth of a slot or groove and the like features. Advantageously, the hydraulic micrometer system have applications in manufacturing industries, process industries, power plants, chemical plants etc., including in hazardous and humanly inaccessible positions. The system is user friendly including PC-based control, display and data analysis provision for wide industrial application and use. | 07-29-2010 |
| 033544000 | Earth cavity or tube | 6 |
| 20160115781 | STATOR BORE GAGE - A stator bore gage comprises a detector assembly comprising a wheel configured to engage an inside surface and to transduce the varying surface diameters into electrical or optical signals representative of the condition of the inside surface as the detector traverses the inside surface. | 04-28-2016 |
| 033544100 | Including means to rotate probe | 2 |
| 20090144999 | INTERIOR CONTOUR MEASUREMENT PROBE - A device for measuring an interior contour of a hollow object has a probe bar of known length mounted within a ball that pivots within a circular bearing mounted on a base plate. The base plate is mounted on the object above an external hole into the interior of the object with the lower end of the probe bar protruding into the interior of the object. The upper end of the probe bar is moved until the lower end of the probe bar contacts the interior surface of the object, then the upper end of the probe is moved further to cause the lower end to pass across the surface of the interior of the object. A laser tracker tracks a laser target mounted on the upper end of the probe bar, calculating the position of the lower end and the contour of the interior surface from the position of the laser target and known bar dimension data. | 06-11-2009 |
| 20160123136 | Method and Device for Measuring Pressure Exerted by Earth Material - A method for measuring pressure exerted by earth material includes: providing a pipe with a longitudinal bore defining an inner diameter, providing a device with sensors to sense said inner diameter, wherein the device is to be moved within the pipe along the longitudinal bore, while a measurement of the inner diameter is taken in a first transversal direction at one longitudinal position of the pipe. Then a measurement of the inner diameter in a second transversal direction at the predetermined longitudinal position is taken, wherein the second transversal direction is oriented differently to the first transversal direction. Finally, an ovalization of the pipe is derived at that predetermined longitudinal position of the pipe through subtracting a diameter value of the first transversal direction from a diameter value of the second transversal direction. | 05-05-2016 |
| 033544200 | Having means to actuate probe | 3 |
| 20160032710 | TOOL FOR MEASURING WELLBORE GEOMETRY - A downhole tool is disclosed for measuring wellbore geometry. The downhole tool may include a body with a bore extending at least partially therethrough. The body may include a radial recess. An arm may be movably coupled to the body at a first end portion of the arm. The arm may be within the radial recess in a retracted position and be pivotable in a radially-outward direction relative to the body to an expanded position. A measurement device coupled to the body may measure the pivoting motion of the arm. A piston coupled to the body may be movably coupled to a second end portion of the arm, and the piston may respond to changes in hydraulic pressure to pivot the arm between the retracted position and the expanded position. | 02-04-2016 |
| 033544300 | Biased probe | 2 |
| 20140059874 | WELLBORE CALIPER WITH MAXIMUM DIAMETER SEEKING FEATURE - A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms. | 03-06-2014 |
| 20150143709 | Wellbore Caliper With Maximum Diameter Seeking Feature - A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms. | 05-28-2015 |
| 033544400 | Tapered probe | 1 |
| 20150020395 | Inner Diameter Measuring Device - An inner diameter measuring device ( | 01-22-2015 |
| 033544500 | Having more than two probes | 1 |
| 20130192076 | HOLE EXAMINING DEVICE - In a hole examining device, an examination head ( | 08-01-2013 |
| 033542100 | Telescoping caliper or stem gauge | 2 |
| 20090205215 | MINIMUM CLEARANCE BORE GAUGE - A method of measuring an interior diameter of a bore with an expandible gauge having relatively movable first and second components and placing an adhesive on at least one of the first and the second components for adhesively bonding the first and the second components to one another. Inserting the expandible gauge into a tool hole in a bore bar and sliding the bore bar into the bore so that the tool hole is located within the bore. Allowing the expandible gauge to expand to a diameter of a bore to be measured and adhesively bond the first and the second components to one another. Removing the expandable gauge and determining the diameter of the bore by measuring a length of the expandible gauge. | 08-20-2009 |
| 20140123511 | HEIGHT MEASURING DEVICE FOR CAVITY - A height measuring device for a cavity includes a main body, a fastening member fastened to the main body, a scale, a measuring pole, a motion pole, and a transition member. The scale is fastened to an end of the main body, and includes a stretchable measuring head. The measuring pole is slidably mounted to the main body up and down. The motion pole is horizontally and slidably mounted to the fastening member. The transition member includes a pivoting portion and two perpendicular transition poles. The pivoting portion is rotatably connected to the fastening member. One of the transition poles abuts against a first end of the motion pole. The other transition pole abuts against a bottom end of the measuring pole. | 05-08-2014 |
