Material or article handling – Static receptacle and means for charging or discharging – or... – With alarm – indicator – or signal
Patent
1991-02-01
1993-07-06
Werner, Frank E.
Material or article handling
Static receptacle and means for charging or discharging, or...
With alarm, indicator, or signal
221264, 209535, 209536, 414288, 901 47, B07C 500
Patent
active
052248119
ABSTRACT:
Cigarettes are restrained by arresting a cigarette oriented askew relative to the other cigarettes flowing into a hopper before that cigarette blocks the distribution channels of the hopper, thus stopping the manufacturing process. An arrested cigarette is furthermore detected. The hopper equipped with the restraining device, particularly a hopper for distributing cigarettes, contains a set of gratings (2) halfway up it, made up of a fixed grating (20) above which there is a movable grating (21) actuated with a translatory reciprocating movement. The set of gratings can restrain any cigarette (13A) presented and traveling crosswise in the hopper before this cigarette can go on to interrupt the flow through distribution channels (15) at the outlet of the hopper. A detection device (3) comprising in particular a photoelectric cell (31) and a light source (30) detects a space (13B) void of cigarettes, caused by the crooked cigarette restrained by the set of gratings, and transmits an alarm. It is thus possible for an operator to intervene in order to withdraw the crooked cigarette without affecting the operation of the installations situated downstream from the hopper. A hopper provided with such a device may also be used for an automatic machine-tool feeder.
REFERENCES:
patent: 3501052 (1970-03-01), Rudszinat
patent: 3785487 (1974-01-01), Spencer
patent: 4174780 (1979-11-01), Farrar et al.
patent: 4648232 (1987-03-01), Brinker et al.
patent: 4953711 (1990-09-01), Focke
patent: 4962629 (1990-10-01), Focke
Rizzolo Roberto
Sigrist Albert
Fabriques de Tabac Reunies, S.A.
Ingerman Jeffrey H.
Werner Frank E.
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