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:
Aug. 17, 1982
Filed:
Jan. 16, 1980
Wilhelm Schuster, Frankfurt am Main, DE;
Jurgen Stahl, Frankfurt am Main, DE;
Abstract
A spray pump comprises a pump cylinder defining a pump chamber, a piston which is movable in the chamber, an actuating push button arranged to move the piston in the chamber, and an atomization nozzle arranged to receive liquid from the said chamber. A liquid outlet valve is located between the pump chamber and the atomization nozzle. The outlet valve comprises a valve body received in and surrounded by a tubular portion, the valve having a closed position in which tubular portion lies against the valve body and an open position in which the tubular portion is elastically widened to allow liquid to pass between the valve body and the tubular portion. The valve further comprising a stop for holding the valve body in the tubular portion.