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:
Oct. 19, 2021
Filed:
Dec. 12, 2018
Applicant:
Wolfcraft Gmbh, Kempenich, DE;
Inventor:
Zbigniew Noniewicz, Kempenich, DE;
Assignee:
WOLFCRAFT GMBH, Kempenich, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05C 17/005 (2006.01); B05C 17/01 (2006.01); B65D 83/00 (2006.01);
U.S. Cl.
CPC ...
B05C 17/00576 (2013.01); B05C 17/0123 (2013.01); B65D 83/0005 (2013.01);
Abstract
A piston assembly including a piston for a cartridge discharging device for discharging a pasty compound out of a cartridge which has an inner wall, having a piston and a rear face which can be acted upon by a pressure plate secured to a push rod, a front face opposite the rear face, and a retaining element which secures the pressure plate against the rear face by a retaining protrusion which covers an edge of the pressure plate in a retaining position. The retaining protrusion is secured to the piston in a movable manner into a release position in a direction away from the push rod.