Title:
DEVICE FOR REPAIRING TUBE INSIDE
Document Type and Number:
Japanese Patent JP3179199
Kind Code:
B2
Abstract:
PURPOSE: To provide a tube inside repairing device by which the discover, the repair and the inspection of cracks or holes generating on a tube wall inside a piping can be effectively executed with a short time.
CONSTITUTION: The device is provided with an illuminating means 11 which is connected to a light source device and illuminates a tube inside, an objective lens optical system 13 picking-up an observing image of the tube inside on a solid image pickup element 12, an observed image transmitting means 14 for transmitting the observed image to CCU, a laser beam transmitting means 15 composed of a fibre, etc., to transmit a laser beam for welding generated from a laser beam oscillator, an annular condenser lens 16 that the laser beam is converged on the wall surface of tube inside, and a repairing member attaching part 17 composed of C ring 17a, etc., for attaching the repairing members by arranging them in a top end part 4 of a tube inside repairing device 1. The tube inside repairing device 1 discovers a defective place 2a of a tube part 2, welds the tube part 2 and a repairing member 5 by retaining the repairing member 5 at the prescribed position and together executes the inspection after welding without pulling out an inserting body 3.
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Inventors:
Minoru Okada
Takakazu Ishigami
Yasuto Tanaka
Ichiro Takahashi
Takakazu Ishigami
Yasuto Tanaka
Ichiro Takahashi
Application Number:
JP22047392A
Publication Date:
June 25, 2001
Filing Date:
August 19, 1992
Export Citation:
Assignee:
Olympus Optical Co., Ltd.
International Classes:
B23K26/21; G01N21/88; G01N21/94; G01N21/954; G02B23/24; (IPC1-7): B23K26/00; G02B23/24
Domestic Patent References:
| JP469596A | ||||
| JP4127990A | ||||
| JP59151120A | ||||
| JP381270U | ||||
| JP6339151U | ||||
| JP6395692U |
Attorney, Agent or Firm:
Susumu Ito