中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

69 records (took 0.021 seconds)

    METHOD AND DEVICE FOR DISMOUNTING IRRADIATED ELEMENT OF NUCLEAR REACTOR BY MEANS OF CUTTING-OFF ITS WALL
    61.
    发明专利
    METHOD AND DEVICE FOR DISMOUNTING IRRADIATED ELEMENT OF NUCLEAR REACTOR BY MEANS OF CUTTING-OFF ITS WALL 未知

    公开(公告)号：HU912139D0

    公开(公告)日：1991-12-30

    申请号：HU213991

    申请日：1991-06-26

    Applicant: FRAMATOME SA

    Inventor： JACQUIER PAUL ,  GUIGON JEAN-PAUL

    IPC: G21C19/00 ,  G21D1/00 ,  G21F9/28 ,  G21F9/30

    Abstract: The irradiated component (1) comprises at least one tubular wall with its axis vertical and fastened inside a well (2) in a concrete structure (3). The connecting elements between the concrete structure (3) and the component (1) are destroyed, the component (1) is displaced in successive steps in the vertical direction along its axis on the inside of the well (2), and the wall of the component is cut, so as to obtain blocks (26) of irradiated material of the wall, at the upper level of the well (2) of the concrete structure (3) after each displacement of the component (1). The cut blocks (26) are disposed of for the purpose of elimination or storage. The displacement of the component can be obtained by a pull or push on its lower bottom.

    63.
    发明专利
    未知

    公开(公告)号：FR2645328A1

    公开(公告)日：1990-10-05

    申请号：FR8904417

    申请日：1989-04-04

    Applicant: FRAMATOME SA

    Inventor： GRYPCZYNSKI DANIEL ,  JACQUIER PAUL ,  GUGLIELMO ANDRE

    IPC: G21C17/003 ,  B23Q9/02 ,  B25J9/02 ,  F22B37/00

    Abstract: The centring apparatus comprises a centring plate (23) mounted rotatably on a support element (21) about an axis parallel to the axis of the steam generator tubes, supporting two radial-expansion fixing grippers (39) and a means (22, 27, 28) for motorised orientation of the plate (23) about its axis, the fixing grippers (39) being positioned on the plate in relative positions corresponding to openings for passage of the tubes (13) through the tubular plate (18). … …

    64.
    发明专利
    未知

    公开(公告)号：FR2638014A1

    公开(公告)日：1990-04-20

    申请号：FR8813655

    申请日：1988-10-17

    Applicant: FRAMATOME SA

    Inventor： JACQUIER PAUL

    IPC: G21C17/00 ,  B23P19/02 ,  F22B37/00 ,  F28F11/02

    Abstract: The insertion device comprises a guide collar (75) provided at one of its ends with means (77) for connection to corresponding means (87) arranged at a first end of an extraction sleeve tube (85), a retention collar (100) provided at one of its ends with detachable means for connection to corresponding means arranged at the second end of the extraction sleeve tube (85) and means for fastening the retention collar (100) to the entrance face (3a) of the tubular plate (3). The device also comprises means for positioning the extraction sleeve tube (85) and for positioning and controlling and extracting a syringe for injecting glue comprising an operating member (17) and an elongated transmission element (18) connected at one of its ends to the injection syringe and at its other end to the operating member (17). The extraction sleeve tube (85) can be connected to the guide collar (75) and to the retention collar (100) in order to be positioned inside the tube (5) which is being extracted. The syringe for injecting glue is arranged inside the sleeve tube (85) and controlled manually via the operating member (17) and the flexible transmission element (18). The invention also relates to a method for extracting a portion of a generator tube at a distance from the ends of the tube. … …

    69.
    发明专利
    未知

    公开(公告)号：BR8505633A

    公开(公告)日：1986-08-12

    申请号：BR8505633

    申请日：1985-11-08

    Applicant: FRAMATOME SA

    Inventor： BIANCHI CLAUDE ,  FOURNIER YVES ,  JACQUIER PAUL

    IPC: B21D39/06 ,  B24C3/32 ,  C21D7/06 ,  F28F9/16 ,  G21C17/00

    Abstract: For the purpose of compressing by hammering a steam generator tube (1), there is directed a stream of gas at high velocity charged with particles having a particle size of between 50 and 500x10-6 m, onto the inner surface of the tube (1). The jet of gas is directed onto the inner surface of the tube (1) in radial directions and onto the whole of the periphery of the tube. The flow of the mass of the particles is higher than 0.008 kg/sec for tubes having an inside diameter of around 0.020 m. The device comprises a flexible sheath (20) movable inside a case (16, 18) fixed in a sealed manner under the tube plate (2) around the tube (1). An injection nozzle (21) is disposed at the end of the sheath (20) receiving the gas charged with particles.

Patent Agency Ranking