WO2012103627A1 - Ensemble détecteur de défauts dans des tuyaux en acier - Google Patents

Ensemble détecteur de défauts dans des tuyaux en acier Download PDF

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Publication number
WO2012103627A1
WO2012103627A1 PCT/CA2011/050056 CA2011050056W WO2012103627A1 WO 2012103627 A1 WO2012103627 A1 WO 2012103627A1 CA 2011050056 W CA2011050056 W CA 2011050056W WO 2012103627 A1 WO2012103627 A1 WO 2012103627A1
Authority
WO
WIPO (PCT)
Prior art keywords
elbow
engagement
hand
transducer
assembly
Prior art date
Application number
PCT/CA2011/050056
Other languages
English (en)
Inventor
Iulian Lucaci
Original Assignee
Industrial Inspection Systems Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrial Inspection Systems Ltd. filed Critical Industrial Inspection Systems Ltd.
Priority to CA2856814A priority Critical patent/CA2856814C/fr
Priority to PCT/CA2011/050056 priority patent/WO2012103627A1/fr
Priority to CA2732237A priority patent/CA2732237C/fr
Publication of WO2012103627A1 publication Critical patent/WO2012103627A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2021—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems

Definitions

  • the present invention relates to a defect detector assembly, and more
  • a defect detector assembly to detect defects in steel pipe manufacture.
  • Steel pipes are typically produced by one of two distinct methods, resulting in either a welded or seamless pipe.
  • raw steel is first cast into a more workable starting form. It is then made into a pipe by either of a) stretching the steel out into a seamless tube; and b) forcing edges together and sealing the edges together with a weld along a pipe axial length.
  • Welded pipe is usually formed by rolling steel strips (unwound from a spool) through a series of grooved rollers that mold the strips into a circular (tube) shape. Just prior to passing the strips over the rollers, the steel is heated, making it more pliable. The tube shaped steel then passes welding electrodes. The electrodes seal the edges together, forming a seam. The welded seam is passed through a high pressure roller to help create a tight weld. The seam is initially very hot and molten, but is later cooled with water to form a scab. The scab is made from excess steel squeezed outside a weld zone. The scab is sliced off and discarded, preferably leaving a smooth, continuous, and defect free seam. The scab is known as a weld bead. The bead is sliced off using a scarfing knife.
  • a pipe maybe have a variety of defects, including fracture (not readily visible to a naked eye). Manually inspecting pipes for such defects is impractical and inefficient.
  • Today ultrasound machines are used to assess welded pipe defects. These machines examine and report on weld integrity, and convey other data. They scan pipes to ensure the weld is complete from outside to inside. Ultrasonic inspection occurs nearly immediately after the pipe weld is formed, and while it is still rolling along an automated production line. Defective pipes, once detected, are usually marked with paint further along the production line.
  • a transducer To inspect the pipe, a transducer, held by a machine arm, gently rests near the pipe surface. The transducer gathers and transmits data to a processor, which in turn determines whether any pipe defects are present, and outputs the transducer data for a user to inspect and evaluate.
  • any beads remain on the pipe, they can catch on the transducer arm. These beads are extremely sharp and rigid, and do not easily break off the pipe surface. These beads easily cut flesh and present a hazard to workers. When these beads catch on the transducer arm, they can drag it out of alignment, and in some cases rip the entire ultrasound machine out of the ground, dragging them along the assembly. This results in millions of dollars of damage, and is a safety threat.
  • the present invention is an elbow for a transducer actuator comprising a main body defining a top portion, a bottom portion, and a front face and rear face.
  • the top portion defines a first engagement for rotating the elbow on a horizontal axis.
  • the bottom portion defines a second engagement to engage an arm.
  • the present invention is an arm for transducer actuation comprising a handle defining a first and second end portion.
  • a fork is attached to the handle second end portion, and a hand engagement is present for attaching a hand to the fork.
  • the present invention is a hand for transducer actuation comprising a block body defining a centrally disposed opening for passing the transducer therethrough.
  • a fork engagement is provided, to attach the hand to a fork.
  • the present invention is an assembly for detecting a pipe defect comprising a housing.
  • An indicator plate is housed in said housing.
  • An elbow having a first engagement for rotating the elbow on a horizontal axis is provided, the elbow first engagement being attached to the plate, and the elbow having a second engagement to engage an arm.
  • FIG. 1 is a perspective view of an assembly for detecting a pipe defect.
  • FIG. 2 is an exploded view of the assembly in FIG. 1.
  • FIG. 3 is a perspective view of two assemblies in operation with a pipe.
  • FIG. 4 is a transparent perspective view of an elbow.
  • FIG. 5 is a transparent perspective view of a hand and transducer.
  • FIG. 6 is a cross-section along the line 6-6 in FIG. 2.
  • FIG. 7 is an exploded cross-section view of the line 6-6 in FIG. 2, with additional components.
  • FIG. 8 is a cross-section along the line 8-8.
  • FIG. 9 is a cross-section view along the line 8-8 with an indicator plate.
  • FIG. 10A is a cross-section view along the line 10 A- 10 A.
  • FIG. 10B is a cross-section view along the line 10B-10B.
  • the present invention is a defect detection assembly (10) for detecting defects in formed steel pipes (20), and component parts for said assembly (10).
  • the assembly (10) is generally mounted to a larger machine (not shown) by way of connection plates (30). These plates (30) define a plurality of openings (40) for passing fasteners (420) therethrough.
  • Fasteners (420) such as bolt screws are used to attach the plates (30) to both the larger machine as well as other plates (30) engaging the component parts of the assembly (10).
  • the larger machine houses various circuitry and processors (not shown) to instruct the assembly (10) with respect to movement, and receive from the assembly (10) data relating to pipes (20) and any defects therein.
  • the assembly (10) is comprised of a number of parts, including an elbow (50)
  • the elbow (50) is comprised of a main body (60) defining a top and bottom portion, and a front and rear face.
  • the body (60) top portion defines a first
  • the engagement (70) permitting elbow (50) rotation in a horizontal plane.
  • the engagement (70) preferably comprises a head projecting outwardly from the body (60) top portion, and more preferably, a centrally disposed cylindrical head.
  • the cylindrical head has two openings (80), to receive bolt screws therein.
  • the head also has indentations (90), preferably four indentations (90) equidistantly disposed around the cylinder circumference.
  • the indentations (90) are shaped to receive a sharpened pin (not shown) to bias the engagement (70) and elbow (50) into a particularly desired orientation.
  • the body (60) bottom portion defines a second engagement (100) to engage an arm (160) (best seen in FIG. 2).
  • the second engagement (100) preferably includes a centrally disposed channel extending through the body (60) bottom portion from the front face to the rear face. A portion of the channel slopes downwardly from the front face to the rear face, making an incline (110).
  • the channel rearward portion (120) is, relative to the incline (110), extending horizontally toward the body (60) rear face (it is level or parallel with flat surfaces on the body (60) top and bottom portion).
  • the extending rearward channel portion (120) forms a stop (to limit arm (160) vertical movement).
  • the second engagement (100) also preferably includes a centrally disposed passage (130) spanning the body (60), orthogonal to and communicating with the channel.
  • the passage (130) accepts a pivot pin (140)
  • threading circumscribes the passage (130).
  • a threaded pivot pin 140
  • the body (60) has flattened sides (150), to facilitate machining of the elbow (50).
  • the elbow (50) can be generally cylindrical in shape, and in one embodiment the first engagement (70) is a cylindrical shaped head. A mechanism for rotation in the horizontal plane is described herein.
  • the arm (160) comprises a handle (170) a defines a first and second end portion.
  • a fork (180) is attached at the handle second end portion.
  • the fork (180) is angled relative to the handle (170). Angling permits variable diameter pipe (20) accommodation.
  • a hand engagement is provided for attaching a hand (230) to the fork (180).
  • the engagement defines openings (190) to receive a fixing pin (200) therethrough (190).
  • Retaining pins can be provided at other openings (210) to assemble the fork (180).
  • the handle first end portion defines an opening (210) to accept the pivot pin
  • the pin (140) retains the arm (160) in the channel. This permits arm (160) movement in a vertical plane, and movement is downwardly limited by the stop at the channel rearward portion (120) (see FIG. 3).
  • the hand engagement (230) connects to the fork (180).
  • the hand comprises a block body (240), defining a centrally disposed opening (250) (best seen in FIG. 5) for accepting a transducer (260) therethrough.
  • the block body (240) defines other openings, including a fixing pin passage (270) to receive a fixing pin (200) therethrough.
  • the body (240) is rotatable about a vertical axis. This improves assembly (10) ability to
  • variable diameter pipes (40) accommodate variable diameter pipes (40), and provides forgiveness if the transducer (260) encounters resistance or a defect.
  • the block body (240) defines other openings including a pin screw passage
  • screw holes (290) to receive screws (not shown) therethrough, to secure a shoe (310) to the block body (240).
  • these screw holes (290) are asymmetrically disposed, and correspond to aligned shoe (310) screw holes (not shown).
  • directional shoe (310) fitting is permitted, meaning the shoe (310) can be attached to the block body (240) in only one specific direction, configuration, and orientation. Any other direction, configuration, or orientation prevents the shoe (310) from properly fitting to the block body (240).
  • the block body (240) also defines at least one conduit (320) communicating with the central opening (250).
  • the conduit (320) extends from an exposed block body (240) surface to the central opening (250), and terminating adjacent the transducer (260) (when so housed).
  • the conduit (320) accepts and passes liquid (not shown) to the transducer opening (250). This results in laminar flow, and prevents air bubbles from forming when the liquid exits the conduit (320). Laminar flow reduces splashing. The liquid cools the
  • a widened annular groove (430) is provided at the opening (250) terminus.
  • the widened groove (430) is larger in diameter than the opening (250), and is best seen in FIG. 10.
  • the shoe (310) has a curved surface for placement near a pipe (20) and a flat surface for corresponding block body (240) mating.
  • the shoe (310) has openings (not shown) corresponding to the body (240) openings (300), for fasteners (not shown) to attach the shoe (310) to the block body (240).
  • the curved surface corresponds to pipe (20) surfaces, and performs correctly.
  • Shoe (310) functions include protecting the transducer (260) from the pipe (20).
  • the shoe (310) Without the shoe (310) the transducer would wear quickly from frictional damage (from pipe (20) surface imperfections).
  • the shoe (310) also allows precise positioning of the transducer (260) above the pipe (20) surface. A distance of 2 millimetres between the transducer (260) and pipe (20) is preferable. A constant set distance between the transducer (260) and pipe (20) is critical to ensure correct ultrasound transmission and reception during pipe (20) defect testing. [0035]
  • the shoe (310) also ensures conduit (320) cooling liquid does not escape away from the transducer (260) too quickly, ensuring transducer (260) cooling (compared to pipe (20) surface temperature).
  • a housing (330) is provided to connect the elbow (50) to the larger machine connection plates (30).
  • the housing (330) is box-shaped with a first and second circular chamber (340, 350 respectively), and the first chamber (340) diameter is greater than the second (350).
  • the first chamber (340) houses an indicator plate (360) therein, that does not fall or pass through the second chamber (350).
  • the indicator plate (360) has a peripheral arcuate cut-out
  • the plate (360) and elbow (50) are rotatable as a single rigid unit, and rotatable in a horizontal plane.
  • the second chamber (350) is receives the elbow head (70) therein, and permits rotation.
  • Sensing pin inlets (390) are provided to receive sensing pins (400).
  • the sensing pins (400) are compression spring pins (400), and in another the pins (400) are brass tipped.
  • the inlets (390) do not intersect with the fastener openings (40), but the inlets (390) do communicate with the second chamber (350).
  • the pins (400) engage the head (70) indentations (90).
  • sufficient rotational force is applied about the elbow (60), the elbow (60) and plate (360) rotate together and the pins (400) pop out of the indentations (90). Without sufficient rotational force, the pins (400) press into the
  • the arcuate cut-out portion (370) is aligned with a sensor
  • the sensor (410) housed in a connection plate (30) above the housing (330).
  • the sensor (410) can transmit a signal not impeded by any portion of the plate (360). If the plate (360) is rotated so that the cut-out (370) is no longer aligned with the sensor (410) signal path and a remaining portion of the plate (360) impedes the signal path, the path will be cut short and the sensor (410) will acknowledge and report rotation has occurred.
  • the senor (410) gathers data regarding plate (360) orientation within the housing (330). As the sensor (410) gathers data comprising orientation information, it communicates that data to an associated processor (not shown).
  • the processor can include a display and a terminal for user interaction. The processor can be preprogrammed to behave in a set manner in response to plate (360) rotation.
  • the elbow (60) is normally fixed in one position with the pins (400) engaging the indentations (90). Force applied by the defect against the hand (230) builds, and on exceeding a threshold, the pins (400) pop out of the indentations (90), and the elbow (60) rotates.
  • the sensor (410) identifies, records, and transmits this change of rotation. As the arcuate cut-out (370) moves away from the sensor (410) signal path and a remaining portion of the plate (360) blocks that path, the sensor (410) can transmit an alert.
  • the processor can process that alert and do any of inform a user, receive manual instructions, and automatically lift the arm (160) vertically upward from its present location, away from the pipe (20).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

La présente invention concerne, dans un de ses modes de réalisation, un coude pour actionneur de transducteur comportant un corps principal définissant une partie supérieure, une partie inférieure, une face avant et une face arrière. La partie supérieure définit une première interaction visant à faire pivoter le coude sur un axe horizontal. La partie inférieure définit une deuxième interaction visant à coopérer avec un bras.
PCT/CA2011/050056 2011-02-01 2011-02-01 Ensemble détecteur de défauts dans des tuyaux en acier WO2012103627A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2856814A CA2856814C (fr) 2011-02-01 2011-02-01 Ensemble de detection de defectuosites pour canalisations en acier
PCT/CA2011/050056 WO2012103627A1 (fr) 2011-02-01 2011-02-01 Ensemble détecteur de défauts dans des tuyaux en acier
CA2732237A CA2732237C (fr) 2011-02-01 2011-02-01 Ensemble de detection de defectuosites pour canalisations en acier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2011/050056 WO2012103627A1 (fr) 2011-02-01 2011-02-01 Ensemble détecteur de défauts dans des tuyaux en acier

Publications (1)

Publication Number Publication Date
WO2012103627A1 true WO2012103627A1 (fr) 2012-08-09

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ID=46599582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2011/050056 WO2012103627A1 (fr) 2011-02-01 2011-02-01 Ensemble détecteur de défauts dans des tuyaux en acier

Country Status (2)

Country Link
CA (2) CA2856814C (fr)
WO (1) WO2012103627A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837600A (zh) * 2014-03-27 2014-06-04 苏州博昇科技有限公司 一种应用于电磁超声波探伤的盒式自动扫查器
FR3118487A1 (fr) * 2020-12-29 2022-07-01 Naval Group Structure de capteur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002375A (en) * 1958-12-10 1961-10-03 Whessoe Ltd Ultrasonic test apparatus
WO2000073774A1 (fr) * 1999-06-01 2000-12-07 Bechtel Bwxt Idaho, Llc Appareil pour l'inspection simultanee de soudures partiellement completees
WO2001036908A2 (fr) * 1999-11-02 2001-05-25 Varian, Inc. Procedes et appareil destines a determiner l'emplacement d'un arbre dans le reacteur
WO2004106802A1 (fr) * 2003-06-02 2004-12-09 Onesteel Manufacturing Pty Ltd Test a ultrasons d'un tuyau
WO2006034066A2 (fr) * 2004-09-16 2006-03-30 The Boeing Company Appareil et methode d'inspection faisant appel a une attraction magnetique
US20090178465A1 (en) * 2008-01-14 2009-07-16 Ethridge Roger E Acoustic transducer support frame and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002375A (en) * 1958-12-10 1961-10-03 Whessoe Ltd Ultrasonic test apparatus
WO2000073774A1 (fr) * 1999-06-01 2000-12-07 Bechtel Bwxt Idaho, Llc Appareil pour l'inspection simultanee de soudures partiellement completees
WO2001036908A2 (fr) * 1999-11-02 2001-05-25 Varian, Inc. Procedes et appareil destines a determiner l'emplacement d'un arbre dans le reacteur
WO2004106802A1 (fr) * 2003-06-02 2004-12-09 Onesteel Manufacturing Pty Ltd Test a ultrasons d'un tuyau
WO2006034066A2 (fr) * 2004-09-16 2006-03-30 The Boeing Company Appareil et methode d'inspection faisant appel a une attraction magnetique
US20090178465A1 (en) * 2008-01-14 2009-07-16 Ethridge Roger E Acoustic transducer support frame and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837600A (zh) * 2014-03-27 2014-06-04 苏州博昇科技有限公司 一种应用于电磁超声波探伤的盒式自动扫查器
FR3118487A1 (fr) * 2020-12-29 2022-07-01 Naval Group Structure de capteur
WO2022144356A1 (fr) * 2020-12-29 2022-07-07 Naval Group Structure de capteur

Also Published As

Publication number Publication date
CA2732237A1 (fr) 2012-08-01
CA2856814A1 (fr) 2012-08-01
CA2732237C (fr) 2014-09-30
CA2856814C (fr) 2015-07-07

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