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:
May. 19, 1987
Filed:
Feb. 24, 1986
Josef Schucker, Kaichen, DE;
ASEA GmbH, Bad Honnef, DE;
Abstract
A process for the regulation or control of the flow of a viscous liquid, such as an adhesive or plastic substance, which is applied as seam (1) on a workpiece (2) by an applicator device (3) guided by a robot, whereby the viscous liquid of the applicator device is continuously supplied from a cylinder (7) in which a piston (9), shiftable by a drive mechanism (1) exerts a constant pressure on the liquid. According to the process, the path (x.sub.i) is measured which is passed by the piston (9) during the time in which the robot passes through a certain track section (n). The measured value (x.sub.i) for the piston path is compared to a set value (x.sub.s) for the piston path and the difference (x.sub.s -x.sub.i) is added during the subsequent passing of the same track section during the next work cycle, as a correction set value (K) algebraically to a basic set value (f.sub.sg) for a regulation or control of the nozzle opening of the applicator device (3). In this manner the influence of viscosity changes and deterioration of the nozzle opening of the thickness of the applied seam are eliminated.