Machine for filling and closing two-piece capsules

Details Machine for filling and closing two-piece capsules Machine for filling and closing two-piece capsules

1989-08-11

1990-10-23

Spruill, Robert L.

Package making

With means responsive to a sensed condition

Of individual contents or group feed or delivery

53 53, 53900, B65B 5706, B65B 4342

Patent

active

049642626

ABSTRACT:
A capsule filling and capping machine including a testing apparatus for ascertaining the presence of capsule pieces (bottom and cap) in the conveyor apparatus. The conveyor apparatus includes receptacles into which the capsules are tightly inserted. A test head, with chambers disposed in it that communicate with a source of negative pressure or overpressure, respectively, via a throttle is brought into contact with the receptacles, and the pressure of the chambers is monitored by pressure sensors. The output of piezorestrictive pressure sensors is evaluated electronically and processed further into signals to prevent capsules from being filled, to reject defective capsules, or to stop the machine if there is a problem related to one of the capsules.

REFERENCES:
patent: 3070932 (1963-01-01), Hofliger
patent: 3527015 (1970-09-01), Aronson et al.
patent: 3978640 (1976-09-01), Crossley et al.
patent: 4615165 (1986-10-01), Gamberini
patent: 4731979 (1988-03-01), Yamamoto et al.

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