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Method and device for metering and dispersing fluid materials

  • US 3,960,187 A
  • Filed: 07/09/1975
  • Issued: 06/01/1976
  • Est. Priority Date: 07/23/1974
  • Status: Expired due to Term
First Claim
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1. A method of metering and dispensing fluids which comprises progressing at a substantially constant rate a column of the fluid through a tube, injecting at timed intervals successive portions of gas seriatim into successive portions of said column of fluid to form bubbles spaced along the length of said columm so that fluid flows from an outlet opening of the tube as separated portions of uniform magnitude determined by said rate and said intervals.

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