The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 1995
Filed:
Sep. 21, 1993
Jack D Smith, Jr, Brighton, MI (US);
Edward M McCarthy, Howell, MI (US);
Peter M Neu, Howell, MI (US);
Robert J Beach, Oak Grove, MI (US);
Robert C Curtis, Brighton, MI (US);
Chem-Trend Incorporated, Howell, MI (US);
Abstract
Particulate material delivery apparatus comprising: a measuring device for separating a predetermined quantity of particulate material from a particulate material supply; a first valve which is responsive to a single input signal and which regulates a control fluid and a delivery fluid; an actuator for shifting the measuring device between measuring and delivery positions in response to a pressure signal from the first valve; and a control apparatus for dispensing a pressurized delivery fluid for a variable, predetermined interval of time in response to a pressure signal from the first valve. Also, a method for delivering measured charges of a particulate material, comprising the steps of discharging one charge of the material to a first location, measuring a second charge of the material, and a delivering the first charge to a remote location while measuring the second charge.