Signaling system for sandblasting

Details Signaling system for sandblasting Signaling system for sandblasting

2005-08-23

2005-08-23

Ackun, Jr., Jacob K. (Department: 3723)

Abrading

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

Condition responsive control for sandblasting

C451S078000

Reexamination Certificate

active

06932670

ABSTRACT:
A sandblasting operation includes a nozzle (10) which receives sand from a pot (12). A signaling system (20) for the sandblasting operation includes a first switch (22) to initiate the operation and a second switch (24) located at the nozzle (10) to alert the operator of the pot (12) of the need for action and also of the type of action needed. If the second switch (24) is put in one position, an alarm (29) is sounded alerting the operator of the pot (12), and a first light (30) is illuminated to indicate the need for an increased amount of sand. If the second switch (24) is put in a second position, the alarm (29) is sounded and a second light (31) is illuminated to indicate the need for a decreased amount of sand.

REFERENCES:
patent: 5216848 (1993-06-01), Abbott et al.
patent: 5239787 (1993-08-01), Abbott et al.
patent: 5283991 (1994-02-01), Keizers
patent: 5367840 (1994-11-01), West
patent: 5934971 (1999-08-01), Thompson et al.
patent: 2004/0202980 (2004-10-01), Policicchio

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