X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1996-10-29
1998-04-14
Wong, Don
X-ray or gamma ray systems or devices
Specific application
Absorption
378 57, G01N 2304
Patent
active
057402213
ABSTRACT:
An x-ray inspection apparatus designed for safe, efficient, simple and rapid inspection of assembled automotive airbag inflators to detect the presence of defects in construction. The apparatus includes a lead-lined cabinet having spaced apart entry and exit openings and a central inspection space intermediate thereto which houses a continuous source of x-rays and an x-ray visual imaging system for converting x-radiation into a visible image that can be compared to a standard in order to determine whether the inflator has been properly constructed. The apparatus also includes a conveyor for moving inflators into and out of the x-ray cabinet. The entry and exit sections of the x-ray cabinet are sealed with respective single rotating doors. Each rotating door includes a rotatable cylindrical drum having only one opening in the sidewall of the drum configured to receive an inflator. The rotatable drum is housed in a separate lead-lined door cabinet attached to respective entry and exit sections of the x-ray cabinet. The door cabinet includes two spaced sidewalls having openings formed therein which are configured to receive an inflator. In operation, when the entry door is positioned upstream, an inflator enters the drum and is stopped in the interior of the drum. The drum door then rotates 180.degree. with the door opening in the downstream position and the inflator is released and exits the door to the inside of the x-ray cabinet. The exit door works in the same manner. The rotary doors effectively seal x-radiation from exiting the x-ray cabinet into the surrounding area in all rotative positions, thereby effectively shielding line workers from harmful x-radiation during x-ray and transfer operations.
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Baxter Brian L.
England Jeffery P.
Fowler Kenneth D.
Hill Michael J.
Norman Kerry J.
Benjamin Steven C.
Morton International Inc.
White Gerald K.
Wong Don
LandOfFree
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