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:
May. 22, 2001
Filed:
Jul. 21, 2000
Rexam Sofab, Le Treport, FR;
Abstract
The invention relates to an endpiece for dispensing and/or measuring out liquid pharmaceutical substances, the endpiece comprising a cylindro-conical body (,) fitted with a bottom base (,) for receiving thrust and for coupling to a tank capable of being put under pressure, and an axial ejection duct (,) containing a central core (,) and communicating firstly at its top end with a spray nozzle, and secondly at its bottom end with the tank, it is characterized in that the top end of the ejection duct (,) is closed in temporary and leakproof manner by a wall (,) which is secured to the top portion (,) of the body (,) and which extends perpendicularly to the duct, the wall being movable in reversible manner under drive from the substance, said wall being provided with a central orifice (,) capable of being closed in the closed position by a stud (,) secured to the core (,) being forced thereagainst, the periphery of the wall being attached to said body (,) via an elastically deformable link element (,) enabling the wall (,) to move in axial translation under pressure.