Abrasive blasting device

Details Abrasive blasting device Abrasive blasting device

2006-09-05

2006-09-05

Nguyen, Dung Van (Department: 3723)

Abrading

Machine

Sandblast

C451S099000, C451S101000

Reexamination Certificate

active

07101266

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.

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patent: 4534139 (1985-08-01), Desjardins
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patent: 5607342 (1997-03-01), Evdokimenko et al.
patent: 5947800 (1999-09-01), Fring
patent: 0 950 469 (1999-10-01), None
patent: 2 167 756 (2001-05-01), None
patent: WO 88/05711 (1988-08-01), None
patent: WO 99/39874 (1999-08-01), None
patent: WO 01/81044 (2001-11-01), None

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