Explosive drill
United States Patent 2628559
US Patent References:
/0356064.html
- - 0356064

/1029051.html
- - 1029051

/1088606.html
- - 1088606

Torpedo for blasting purposes
- - 1406844

Explosive charge
- - 1440601


Inventors:
Raymond, Jasse
Publication Date:
02/17/1953
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Assignee:
Etudes, Soc CT. D. M. B. A.
Primary Class:
102/306
International Classes:
F42B1/02; F42B3/08; F42B1/00; F42B3/00
US Patent References:
1531555Art of perforating and severing metals
1534011Percussion fuse
1534012Percussion fuse
2247169Blasting shell for surface blasting
2407093Method and apparatus for cutting or punching sheet material
2419414Projectile
2420201Blasting cap
Foreign References:
GB191120110A
GB191128030A
AU113685B