Machine for introducing measured amounts of liquids into vials a

Details Machine for introducing measured amounts of liquids into vials a Machine for introducing measured amounts of liquids into vials a

1977-07-20

1979-01-23

Bell, Houston S.

Fluent material handling, with receiver or receiver coacting mea

Plural filling means

B65B 304

Patent

active

041355610

ABSTRACT:
A generally vertical frame has a pair of columns on which an upper support and a lower support are slidably mounted, the lower support carrying the barrels of a row of syringes whose plungers are fastened to the upper support. The latter support can be alternately lowered and raised, manually by a lever or automatically by a cam, and is connected with the lower support by a lost-motion linkage allowing the two supports to be separated to an extent sufficient for a partial withdrawal of the plungers from their barrels when the syringes are dipped into one or more supply containers on a base onto which the lower support is held by a strong magnetic coupling until entrained by the rising upper support. Upon alignment of the elevated syringes with a row of receptacles to be filled, an interposed stop arrests their barrels while the plungers descend with the lower support to expel the previously aspirated liquids until the two supports come into contact with each other, whereupon a weaker magnetic coupling therebetween causes their joint ascent preparatorily to the next syringe-refilling operation. The frame may be swingable about a horizontal axis for alternate alignment of the syringes with the supply containers and the receptacles which can be arrayed in one or more rows.

REFERENCES:
patent: 3939883 (1976-02-01), Harrell et al.

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