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:
Apr. 26, 1977
Filed:
Aug. 22, 1975
Applicant:
Inventors:
William C Scherer, Minneapolis, MN (US);
Raymond A Vincent, Detroit, MI (US);
Assignee:
Graco Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ; B67D / ;
U.S. Cl.
CPC ...
222-1 ; 222 25 ; 222 52 ; 222 70 ; 2221445 ; 239 61 ; 239 71 ;
Abstract
Apparatus is disclosed for spraying paints wherein the paint comprises a predetermined ratio mixture of at least two components, and wherein the ratio of these components is controlled automatically as they are delivered to a spray gun and prior to mixing, by means flow-sensing devices which generate flow-representative signals to a control unit. The control unit calculates the appropriate ratio and adjusts a flow regulating device in at least one of the component lines for ensuring continued flow at the desired ratio.