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:
Aug. 31, 2004
Filed:
May. 27, 2003
Jean-Pierre Grimard, Vif, FR;
Jean-Yves Porret, Gieres, FR;
Becton Dickinson France S.A., , FR;
Abstract
A sealed connection device in which, two chambers (“A” and “B”), each has an access opening equipped with a door ( ) cooperating with a flange ( ) with the interposition of sealing means ( ), one ( ) of the two doors being articulated with its flange ( ). The detection device comprises two grooves ( ), formed in the external face of the flange ( ) of chamber (A), a seal ( ) placed in the groove ( ), a network of ducts ( ) formed in flange ( ) and connecting the inner groove ( ) to a coupling ( ), a vacuum pump ( ) the intake ( ) of which is connected to the said coupling, and a sensor ( ) measuring the strength of the partial vacuum in the pneumatic circuit leading to the groove ( ) and reacting on alarm means ( ) if ever the partial vacuum does not reach an appropriate value.