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:
Dec. 13, 2022
Filed:
Dec. 31, 2019
Philip Andrew Walton, Bishop Auckland, GB;
Sergio Sonzogni, Bergamo, IT;
Philip Andrew Walton, Bishop Auckland, GB;
Sergio Sonzogni, Bergamo, IT;
Abstract
A valve closure for dispensing liquid by means of a pressurised gas has an inner sleeve () which includes a socket () and an annular inner valve seat (). The inner sleeve carries a ring seal () which is urged against an outer valve seat () by an outer spring (). A valve member () has an annular sealing face () co-operable with the inner valve seat () and a spring () urges the valve member () against the inner valve seat (). The valve member () incorporates a plurality of projections () spaced radially from the annular sealing face (). The valve closure can be used with a dispensing coupler having a tubular probe with a circumferential ring seal and a locking recess to engage the locking fingers of a detachable closing element.