Colision shock indicator

Colision shock indicator

  • CN 2,723,989 Y
  • Filed: 04/21/2004
  • Issued: 09/07/2005
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of collision impact indicator, comprise outer tube (1), the outer tube two ends are provided with sealed port (2), it is characterized in that:

  • an end is provided with or is not provided with interior pipe (5) in the outer tube (1), interior pipe (5) one ends communicate with outer tube (1), interior pipe (5) or outer tube (1) one end are provided with indication solution (6), contain in indication solution (6) substance that show color or with outer tube in liquid or solid carry out the substance A of chromogenic reaction, outer tube (1) other end is observed district (3) for indication, wherein pack into gas or contain and indicate substance A in the solution carry out adhering on the liquid of substance B of chromogenic reaction or the tube wall with indication solution in substance A carry out the solid layer (7) of the substance C of chromogenic reaction, being provided with gas partitions district (8) between the liquid of the interior two ends of outer tube (1), is liquid-gas interface (4) between gas and the liquid.

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