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.

Date of Patent:
Mar. 03, 2009

Filed:

Jan. 20, 2005
Applicants:

Shuzo Fujiwara, Tsukuba, JP;

Takehiro Matsunaga, Tsukuba, JP;

Katsuo Kurose, Kobe, JP;

Kiyoshi Asahina, Kobe, JP;

Kenji Koide, Kobe, JP;

Inventors:

Shuzo Fujiwara, Tsukuba, JP;

Takehiro Matsunaga, Tsukuba, JP;

Katsuo Kurose, Kobe, JP;

Kiyoshi Asahina, Kobe, JP;

Kenji Koide, Kobe, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F42B 3/00 (2006.01); F42B 15/34 (2006.01); F42B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A blasting method of blasting an explosive device at least containing an explosive and a chemical agent in a sealed pressure vessel that prevents soot generation during blasting and improves an efficiency of decomposing the chemical agent. First, a transported chemical bomb (explosive)is placed and sealed in a blasting chamber (pressure vessel)The blasting chamberis then brought into a reduced-pressure or vacuum state by aspiration of the air therein by using a vacuum pumpand oxygen is supplied through an injection portinto the blasting chamberto a pressure of 15 to 30% of atmospheric pressure. The chemical bombis then blasted, as it is ignited by an ignition device not shown in the Figure.


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