Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Slackening type blasting method










Image Number 5 for United States Patent #6622631.

A blasting mat assembly comprising a steel plate member having thickness capable of bearing a blasting pressure of explosives inputted to blasting hole; an elastic member which is fixedly attached along a bottom edge of the steel plate member for isolating blasting noise, blasting gas and flying material. Explosives inputted into each blasting hole of blasting region are discharged; and a weight reinforcing member which is welded to a top surface of the steel plate member in a structure of a grid frame made of steel beams.








 
 
  Recently Added Patents
Wireless communications system, wireless communications apparatus, wireless communications method and computer program for wireless communication
Human activity monitoring device
Active tags
Fusing device to prevent overheating of a heating member and image forming apparatus having the same
Intake parameter-calculating device for internal combustion engine and method of calculating intake parameter
Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus
Communication device
  Randomly Featured Patents
System and method for cleaning hot fuel gas
Method for addressing X-Y matrix display cells
Systems and methods for mid-processing calculation of blood composition
Digital media adapter
Free flowing powder and process for producing it
Printer
Process for selective grinding and recovery of dual-density foods
Impeded velocity signal transmission line
Method for mutually controlling a plurality of video display and reproducing devices
Restraining apparatus for small animals