FIELD: transport.
SUBSTANCE: set of invention relates to devices feeding fluids, in particular, dye stuffs, or the like, to premixers of injection molding equipment or extruders. Device to feed fluid to definite section comprises fluid feed vessels communicated with variable-volume tank. Said tank has outlet communicated with proportioning pump to feed preset amount of fluid to aforesaid section. Proposed feeder incorporates means to indicate possible availability of gas in said tank and control/follower means adapted to control operator warning means to warn operator about necessity of fluid feed means replacement.
EFFECT: continuous operation, efficient sealing.
26 cl, 23 dwg
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