Patent Number: 7,101,266

Title: Abrasive blasting device

Abstract: An abrasive blasting device provides for both "cold" and "hot" processing. It includes a nozzle gun, an abrasive vessel, a batcher, an ejection-type mixer, a fuel tank, and a receiver. The nozzle gun includes a combustion chamber (108), a tubular element (114) for air/abrasive mixture feeding, a nozzle (128), swirlers of the fuel blend (122) and of gaseous oxidant (124). The combustion chamber (108) at a perforated wall area (110) has variable cross-section. The batcher includes independent regulation of a seat position with respect to a position of a slide-valve rod, and abrasive loosening and blow purging.

Inventors: Grechishkin; Oleg Ivanovich (Moskovskaya obl., 143395, RU)


International Classification: B24C 5/04 (20060101); B24C 9/00 (20060101)

Expiration Date: 9/05/02018