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:
Apr. 14, 2026
Filed:
Dec. 11, 2023
Aptar France Sas, Le Neubourg, FR;
Arnaud Colomb, Verneuil sur Seine, FR;
APTAR FRANCE SAS, Le Neubourg, FR;
Abstract
Metering valve having a valve body containing a metering chamber defined by a chamber insert and two annular seals, a valve seal and a chamber seal, the chamber insert having a cylindrical wall, an upper edge cooperating with the valve seal and a lower edge cooperating with the chamber seal, a valve sliding axially in the valve body between rest and dispensing positions. The valve is urged towards its rest position by a spring cooperating with the valve body and with the valve. The upper edge of the chamber insert has an annular cutout formed on the radially inner side of the upper edge so that the width of the upper edge in contact with the valve seal is the same, whatever the width of the cylindrical wall. The metering chamber has a variable volume, in particular between 35 and 65 μl, defined by the axial dimension of the cutout.