Method and device for pin removal in a confined space

Method and device for pin removal in a confined space

  • CN 101,219,545 B
  • Filed: 01/07/2008
  • Issued: 05/20/2015
  • Est. Priority Date: 01/08/2007
  • Status: Active Grant
First Claim
Patent Images

1. , by carrying out holing or cutting in restricted clearance, by the method that the pin (31) surrounded by solid material (32) is removed, it is characterized in that:

  • To use from the surface that water spraycan (10) directs into described pin (31) and guide the water of advancing along controlled path and note, described water spraycan (10) has water supply line (13), main body (12), and nozzle (11) is at angle set relative to the longitudinal axis of described main body (12);

    Water is noted one or more parts (30) that the surface of described pin (31) is crossed in guiding, remove one or more parts (30) of described pin (31) thus, and each in the part of one or more removal (30) comprises the border of pin (31) to surrounding solid material (32) at least two positions, and pin to be removed (31) is divided into two or more fragment (33).

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