Process for drawing off a milk sample

Details Process for drawing off a milk sample Process for drawing off a milk sample

1990-09-20

1992-06-16

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

222571, 141130, 141 83, 141127, G01N 3102, G01N 114

Patent

active

051217732

ABSTRACT:
In the equipment for drawing off milk samples from a milk conveyor pipe (1), in order to remove any milk remaining from the previous supplier and adhering within the suction pipe (5) and the injection syringe (6), before taking a sample from the current supplier the suction pipe (5) and the injection syringe (6) are filled with milk and after being completely filled they are emptied again by pumping the milk back into the conveyor pipe (1). The process of filling to fullness is monitored by a control means (9) which operates a hose pump (7) such that only the exact quantity of milk required to fill the suction pipe (5) and the injection syringe (6) is conveyed. Only after this filling and emptying procedure is the injection syringe (6) inserted into a sampling bottle (8) disposed on a dish (15) which can be raised. A holding down device (16, 17, 18) guarantees perfect withdrawl of the injection syringe (6) from the sampling bottle (8) when the dish (15) is lowered at the end of the sampling. The equipment is charactized by the simple process permitting the left-over milk to be removed from the suction pipe and the injection syringe, thus preventing carry-overs.

REFERENCES:
patent: 3184973 (1965-05-01), Bradley
patent: 3386382 (1968-06-01), Schuette et al.
patent: 3511468 (1970-05-01), Young
patent: 3970119 (1976-07-01), Doane
patent: 4170798 (1979-10-01), Krumdieck
patent: 4274453 (1981-06-01), Lee
patent: 4387076 (1983-06-01), Cabrera et al.
patent: 4403764 (1983-09-01), Repplinger
patent: 4501161 (1985-02-01), Endo
patent: 4609017 (1986-09-01), Coulter et al.
DMZ Deutsche Molkerei-Zeitung, Nr.44, Oct. 1984, pp. 1504-1510 Landre "Grenzen der Entwicklung Automatischer Probenahmegerate".

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