Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method for blasting rock
T101301 Method for blasting rock
Patent Drawings:Drawing: T101301-2    Drawing: T101301-3    Drawing: T101301-4    Drawing: T101301-5    Drawing: T101301-6    
« 1 »

(5 images)

Inventor: Persson, et al.
Date Issued: December 1, 1981
Application: 06/154,420
Filed: September 2, 1979
Inventors: Holmberg; Roger (S-140 41 Sorunda, SE)
Nord; Gunnar (S-191 44 Sollentuna, SE)
Persson; Per-Anders (S-117 48 Stockholm, SE)
Assignee:
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 102/308
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
Other References:









Abstract: Method of blasting rock to attain a predetermined fracture result. The necessary energy for the blasting is provided at an amount and in an application which is decided by calculating the stresses with regard to previously plotted blasting effects and to a previously prepared description of the rock structure.
Claim:
Description:
 
 
  Recently Added Patents
Compositions, organisms, systems, and methods for expressing a gene product in plants using SCBV expression control sequences operable in monocots and dicots
Methods of fabricating semiconductor device
(4950
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Method and system for quantifying viewer awareness of advertising images in a video source
Ultra-wideband communication system and method
Bioelectric battery for implantable device applications
  Randomly Featured Patents
Hydrodynamic transport and flow channel passageways associated with fuel cell electrode structures and fuel cell electrode stack assemblies
Rock-stress measuring method
MISFET with capacitors
Secreted proteins and polynucleotides encoding them
Unitary hub assembly
Shaft arrangement having a rolling bearing
Force reflection with compliance control
Color night vision goggles capable of providing anti-jamming protection against pulsed and continuous wave jamming lasers
Vehicle speed control system
Connectors