The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1976
Filed:
Feb. 26, 1974
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42D / ;
U.S. Cl.
CPC ...
102 23 ; 86 2 / ; 102 21 ;
Abstract
This invention relates to a method of removing underwater obstacles by blasting with a fluid explosure. This underwater blasting method comprises the steps of injecting into a blasting hole drilled on an underwater obstacle an inert fluid which is immiscible with water and has a specific gravity greater than water, then injecting a fluid explosive having a specific gravity greater than the inert fluid to replace therewith a part of the inert fluid and thereafter detonating the injected explosive.
Kusakabe, Masao. (1976). Underwater blasting method and explosives and devices used therein (U.S. Patent No. 3952655). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3952655
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