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| Number | Title | Issue Date |
| 6948258 | Device for measuring the internal diameter of a pipe A device being used for measuring the internal diameter of a pipe, which including a tape mounted into a flat elongated body having holes to allow a string to be pulled out of the flat elongated body. The tape includes hole at a first end for connecting a first end ... | 09/27/2005 |
| 6931748 | Riser and tubular inspection systems A system for measuring inner diameter of a tubular, e.g., but not limited to, a riser or a pipe, the system including at least one linear distance measuring device movable through a hollow tubular, a main body also movable through said tubular, the at least one line... | 08/23/2005 |
| 6088923 | Device and method for checking the geometry of a hole bored in a part A sensor arm (1) is inserted into a hole (3). The arm is mounted on a pivot (5) perpendicular to the arm axis so that it may be urged into engagement with the wall of the hole, e.g. by an air cylinder (12). The pivot (5) is in turn rotated about an axis p... | 07/18/2000 |
| 6026582 | Methods and apparatus for mapping pipe and valve bores in a nuclear reactor Methods and apparatus for mapping pipe and valve bores in a reactor pressure vessel (RPV) of a nuclear reactor are described. In one embodiment of the apparatus, a main bar and an adjustable chuck facilitate positioning of a digital indicator inside a val... | 02/22/2000 |
| 5729906 | Hole diameter inspection An automated hole inspection system for measuring, on a plurality of planes, the diameter of a hole in a workpiece includes a hole gauge for measurement of a hole diameter in one plane, and a remote centering compliance device connected to the proximal en... | 03/24/1998 |
| 5442284 | Process for inspecting spacers of heat exchanger tubes in a heat exchanger In a method of inspecting heat exchanger tubes of a heat exchanger in which the heat exchanger tubes are fixed in position by spacers and serve to transfer heat from a first medium to a second medium that is fluid-tightly separated from the first medium, ... | 08/15/1995 |
| 5101667 | Method enabling a diagnosis to be made of the condition of a conduit or gallery and equipment for the implementation thereof A method for non-destructive evaluation of a conduit, gallery or similar structure as shown which involves mechanical tests using an apparatus for applying forces to the walls of the structure in one or two opposite directions and measuring the displaceme... | 04/07/1992 |
| 4937524 | Rotating eddy current roller head for inspecting tubing A rotating eddy current roller head for inspecting tubing. A main body portion has a set of whisker wheels rotatably attached thereto which center the main body portion in the tube. A roller housing slidably mounted on the main body portion for radial mov... | 06/26/1990 |
| 4772849 | Rotating probe head for tube inspection A probe (10) for longitudinally traversing and circumferentially inspecting the interior of a tube. A rotating sensor containing head (44) is driven by a rotor (40) extending from the end (38) of a cylindrical housing (12) in which it is mounted. The axia... | 09/20/1988 |
| 4571848 | Apparatus for measuring the transverse profile of a drill hole in a geologic formation The telescoping parts of a rotary measuring arm mounted on an axis between wo centering devices enable the outer part of the measuring arm, which is equipped with a scanning roller, to be let out or pushed in by the contour of the bore as the arm is swung ... | 02/25/1986 |
| 4485560 | Method and device for determining the shape of the inner wall of a tube A device for determining the shape of the inner wall of a tube, particularly at the level of a weld. A measuring device is arranged in the tube enabling the distance separating a given point situated on the inner wall of the tube and the longitudinal axis... | 12/04/1984 |
| 4481814 | Stud inspection system An elongated stud has an axial bore down which an inspection probe is rotated and translated on the end of a shaft which is moved through gearing with a pair of motors. Encoders on the motors coordinate the signal from the probe at a single station which ... | 11/13/1984 |
| 4407071 | Internal diameter measuring device for pipes An internal diameter measuring and scanning device for pipes, gun barrels and the like, wherein the arrangement is slidably axially movable through the pipe. The arrangement includes a guide body which is rotatably mounted in the pipe. A plurality of feel... | 10/04/1983 |
| 4262425 | Self-adjusting inspection apparatus The inspection apparatus self-adjusts for inspecting bolt-holes of a predetermined size range between a minimum inspection diameter and a maximum inspection diameter. A probe shaft is coupled through a ramp portion to a pear-shaped probe head. The probe h... | 04/21/1981 |
| 4253241 | Bore gauge A bore gauge for measuring the internal diameter of tubes comprises at least two concentrically and rotatably arranged members connected by a helically wound spring member. The spring member is capable of contacting the inside surface of the tube and caus... | 03/03/1981 |
