Method for making a product from separate bulk sources of supply of a liquid carrier and an additive
First Claim
1. In a dosifying method for making a product from separate bulk sources of supply of a liquid carrier and an additive, the improvement comprisingdelivering liquid carrier into a single pass-through chamber in a stream;
- delivering a measured quantity of additive material to the chamber in a metered flow;
causing the stream of liquid carrier and the flow of additive material to come together in a laminar flow manner as they pass through the chamber whereby to form the product;
drawing the product from the chamber with suction; and
delivering product withdrawn from the chamber to a point of delivery.
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Accused Products
Abstract
A system for applying accurately metered, minute quantities of concentrated additives from bulk sources of supply to successive masses of material presented for treatment includes a pass-through chamber within which separate streams of a liquid carrier and the additive substance are merged together. As the liquid carrier passes through the chamber, the additive, in either dry or liquid form, is likewise directed into the chamber in a metered flow to incrementally combine with the liquid stream and form the combined product. A suction pump at the downstream end of the chamber draws the prepared product out of the chamber and advances it toward an ultimate delivery site. The carrier liquid is prevented from accumulating into a pool within the chamber by the suction pump that cooperates with the upright orientation of the chamber to cause the carrier liquid to swirl smoothly through the chamber. A suction vortex may be created as the product exits the chamber, within which vortex the additive may be directed so as to complete its entrainment with the carrier without causing turbulence. The system can be easily flushed with the liquid carrier after each batch and then dried with an optional air blower.
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Citations
9 Claims
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1. In a dosifying method for making a product from separate bulk sources of supply of a liquid carrier and an additive, the improvement comprising
delivering liquid carrier into a single pass-through chamber in a stream; -
delivering a measured quantity of additive material to the chamber in a metered flow; causing the stream of liquid carrier and the flow of additive material to come together in a laminar flow manner as they pass through the chamber whereby to form the product; drawing the product from the chamber with suction; and delivering product withdrawn from the chamber to a point of delivery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. In a dosifying method for making a product from separate bulk sources of supply of a liquid carrier and an additive the improvement comprising:
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delivering liquid carrier into a pass-through chamber in a stream, delivering a measured quantity of additive material to the chamber in a metered flow; causing the stream of liquid carrier and the flow of additive material to come together as they pass through the chamber whereby to form the product; drawing the product from the chamber with suction; delivering product withdrawn from the chamber to a point of delivery; continuing the delivery of additive to the chamber until a batch of product having a predetermined amount of additive has been formed; flushing the chamber and downstream portions to the point of delivery, repeating the liquid carrier delivering, additive delivering causing, drawing and product delivering steps for successive batches of the product; varying the amount of additive material for each batch in accordance with predetermined standards; applying successive batches of a product to corresponding, successive masses of material at the point of delivery; before each applying step, determining the weight of the mass at the point of delivery; and controlling the amount of additive in each batch of product in accordance with the weight of the corresponding mass at the point of delivery.
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Specification