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. 01, 2005
Filed:
Nov. 07, 2002
Walter Lutz, Wertheim, DE;
Bernd Udo Bopp, Alzenau, DE;
Peter Krank, Wertheim, DE;
Brand GmbH + CO KG, Wertheim, DE;
Abstract
A dispenser for a liquid, in particular, a bottle-top dispenser, with a cylinder/piston arrangement with a measuring cylinder () and a piston () which is capable of being displaced therein in a sealed manner, with a valve arrangement () connected to the piston (), with an inlet valve and an outlet valve (), each provided with a valve body () and a valve seat (). The dispenser is characterized in that all of the parts or regions of the dispenser touched by the liquid are made entirely of a pure thermoplastic material or are coated with a pure thermoplastic material in such a manner that no contact is made by the liquid with the substrate coated with plastic material or with components of the substrate.