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:
Feb. 24, 2004
Filed:
Oct. 03, 2001
Tecan Trading AG, Baar, CH;
Abstract
The invention relates to a seal ( ) for separating a first chamber ( ) from a second chamber ( ) in a device ( ) for aspirating and/or dispensing fluids ( ), wherein the seal ( ) is embodied to be ring-shaped and to act on an outer surface ( ) of a piston ( ), or on an inner surface ( ) of a cylinder ( ) of this device ( ), and wherein the seal can be inserted into an annular groove ( ) located in the outer surface ( ) of the piston ( ), or in the inner surface ( ) of the cylinder ( ). The seal ( ) in accordance with the invention is distinguished in that it comprises a flat contact surface ( ) embodied to rest against a flank ( ) of the annular groove ( ), a support area ( ) freely projecting into the first or second chamber ( ), and a cylindrical sealing face ( ).