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:
Nov. 23, 2010
Filed:
Mar. 12, 2008
Rémy Lefebvre, Radepont, FR;
Rémy Lefebvre, Radepont, FR;
Milton Roy Europe, Pont Saint Pierre, FR;
Abstract
The invention provides a pump, in particular for a chemically reactive fluid, in which a pump head comprises at least two walls between which there is defined a pump chamber for pumping the fluid in question, one of the walls being stationary, the other wall being movable or deformable relative to the stationary wall by means of a drive or deformation device, at least the stationary wall being provided with a protective coating against the fluid, wherein the coating is constituted by a sheet of plastics material applied in leaktight manner against the wall at the periphery thereof, with the space between the protected surface and the coating sheet, within the zone where they make leaktight contact, being filled with an incompressible liquid.