Blast treatment method and blast treatment device
US8464624B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Jul 5, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23G2209/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blast treatment method and an apparatus, which can perform the blast treatment of a treatment subject by using and securely initiating a blasting explosive having fluidity. The blast treatment method includes: a blasting preparation operation of housing a blasting explosive having fluidity in a container and placing the blasting explosive around a treatment subject as well as attaching an initiation device to the container; a housing operation of housing the container, the blasting explosive, and the treatment subject in a chamber; a decompression operation of decompressing the inside of the chamber; and a blasting operation of initiating the blasting explosive and blasting the treatment subject with the blasting explosive. In the decompression operation, the inside of the chamber is decompressed while a gas vent portion regulates the escape of the blasting explosive to the outside of the container and permits the escape of gases in the container to the outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.