Reject system for in-line pressure testing systems

Details Reject system for in-line pressure testing systems Reject system for in-line pressure testing systems

B - Operations, Transporting

07

C

73/118, 341/50,

B07C 5/34 (2006.01) G01M 3/32 (2006.01)

Patent

CA 1125053

ABSTRACT OF THE DISCLOSURE This specification discloses systems for testing the integrity of bottles and the like by subjecting them to hydrostatic pressure as they move along a conveyor device and more particularly, to a bottle condition determination and reject means for such an on-line pressure testing system. A sequence of substantially uniformly spaced bottles is conveyed through a preliminary filling apparatus which injects water into each bottle to its brim full capacity. Thereafter, the filled bottles are carried at a predetermined rate and spacing such as by a screw conveyor or the like, past a hydrostatic test head station at which a hydrostatic test heat is synchronously reciprocated to engage and seal with the open top, at the brim, of each successive bottle. The hydrostatic test head applies a downward force to the continuously moving bottle at the brim or sealing surface thereof, with a force sufficient to contain hydrostatic pressure which is subsequently applied to the interior of the bottle after the seal between the hydrostatic test head and the brim of the bottle is effectuated. The bottle is then subjected to a prescribed internal hydrostatic pressure for a prescribed time interval or test cycle, from a suitable source of hydrostatic pressure such as a high pressure water pump which feeds pressure fluid to the interior of the bottle through the hydrostatic test head. A pressure sensing tube and sensing assembly are provided in the hydro- static test head immediately adjacent to the sealed brim area of the bottle to transmit the resultant internal hydrostatic pressure in that bottle under test to a pressure transducer device serving as an input to a selective reject mechanism.

341702

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