Device for water-jet cutting or abrasive water-jet cutting...

Details Device for water-jet cutting or abrasive water-jet cutting... Device for water-jet cutting or abrasive water-jet cutting...

2011-05-10

2011-05-10

Morgan, Eileen P. (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

Condition responsive control for sandblasting

C451S008000, C451S038000, C451S075000, C451S091000, C083S022000, C083S053000, C083S063000, C083S177000, C239S101000, C239S569000, C239S543000, C239SDIG002

Reexamination Certificate

active

07938713

ABSTRACT:
Control device and method for controlling the impingement of the workpiece by a water jet or an abrasive water jet in a cutting unit. Control device includes a feeder composed of at least two flow-through areas positionable between a high-pressure water supply and a jet nozzle of the cutting unit. At least one of the flow-through areas includes a high pressure area, and at least one of the flow-through areas includes a pressure-reducing area. At least one switchable valve is arranged in the high-pressure area, a pressure-reducing mechanism is arranged in the pressure reducing area, and an impingement line is coupled to the at least two flow-through areas and coupleable to the jet nozzle.

REFERENCES:
patent: 5283991 (1994-02-01), Keizers
patent: 5755424 (1998-05-01), Ryd
patent: 6220529 (2001-04-01), Xu
patent: 7559489 (2009-07-01), Noestheden
patent: 2004/0132389 (2004-07-01), Miller
patent: 2007/0013922 (2007-01-01), Scott et al.
patent: 03-003799 (1991-01-01), None
patent: 06-143146 (1994-05-01), None
patent: 95/29792 (1995-11-01), None
patent: 02/087827 (2002-11-01), None

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