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. 08, 2003
Filed:
Jun. 25, 2001
Norbert Buchholz, Bielefeld, DE;
Graco Inc., Minneapolis, MN (US);
Abstract
In a method for metering and mixing different components, more particularly resin and hardener, and for delivery through a spray device ( ), with a first component standing under a preliminary pressure, a second component standing under a preliminary pressure and a solvent standing under preliminary pressure for the first component, the components flowing in through valves are detected through quantity measuring devices ( ) and supplied first to a mixer device ( ) and then to the spray device ( ). The one component is supplied in a predetermined quantity and the amount of the other component is controlled in dependence on the quantity of the one component by controlling the opening time of a shut-off valve ( ). Selectively the first or second component is controlled and the other component is supplied in a predetermined quantity.