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. 06, 2021
Filed:
Mar. 29, 2017
Applicant:
Essity Hygiene and Health Aktiebolag, Gothenburg, SE;
Inventors:
Assignee:
Essity Hygiene and Health Aktiebolag, Gothenburg, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47K 5/12 (2006.01); B05B 11/00 (2006.01);
U.S. Cl.
CPC ...
A47K 5/1207 (2013.01); B05B 11/0054 (2013.01); B05B 11/00412 (2018.08); B05B 11/3029 (2013.01); B05B 11/3033 (2013.01); B05B 11/3064 (2013.01); B05B 11/3077 (2013.01);
Abstract
The disclosure relates to a fluid pump including a plastomer spring with a captive valve element provided in an integrally formed valve chamber. The spring includes a first end portion and a second end portion and one or more spring sections connecting the first end portion to the second end portion, which spring sections can be compressed in the axial direction from an initial condition to a compressed condition and can subsequently expand to their initial condition. The valve chamber is formed in the first end portion.