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:
Jul. 03, 2018
Filed:
Sep. 06, 2016
Kao Germany Gmbh, Darmstadt, DE;
Sebastian Kraus, Darmstadt, DE;
KAO GERMANY GMBH, Darmstadt, DE;
Abstract
Dispenser pump for pumping reservoir fluid to a dispenser head, has a dip tube to insert into the fluid, a cylinder housing connected with the dip tube, a piston pipe guided in longitudinal direction by the cylinder housing for pumping the fluid from the dip tube to the dispenser head, wherein the piston pipe comprises a connecting area for connecting the dispenser head to the piston pipe, a top part connected with the piston pipe, a bottom part connected with the cylinder housing and a spring bellow for pushing the piston pipe in a direction outwards the cylinder housing, wherein a lower axial end of the spring bellow is connected with the bottom part via a lower retainer ring located inside the spring bellow and/or a higher axial end of the spring bellow is connected with the top part via a higher retainer ring located inside the spring bellow.