发明授权
- 专利标题: Method of blasting a field with ANFO and TL-136
- 专利标题(中): 用ANFO和TL-136喷丸的方法
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申请号: US86913申请日: 1979-10-22
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公开(公告)号: US4273049A公开(公告)日: 1981-06-16
- 发明人: Donald W. Edwards , Paul R. Young , Thomas M. Zukovich
- 申请人: Donald W. Edwards , Paul R. Young , Thomas M. Zukovich
- 申请人地址: IN Terre Haute
- 专利权人: International Minerals & Chemical Corp.
- 当前专利权人: International Minerals & Chemical Corp.
- 当前专利权人地址: IN Terre Haute
- 主分类号: C06B31/28
- IPC分类号: C06B31/28 ; F42D1/00 ; F42D3/00
摘要:
A method of drilling and blasting a field is disclosed. By use of a certain combination of blasting agents, it is possible to expand the bore hole pattern by 30 to 50%, thereby decreasing the number of bore holes per unit of area to be blasted.
公开/授权文献
- USD411984S Jack dust cover 公开/授权日:1999-07-13
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