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. 29, 2005
Filed:
Apr. 11, 2000
Applicants:
Marc Huard, Alfortville, FR;
Benoît Bessiere, Fresne, FR;
Joël Massau, Creteil, FR;
Inventors:
Assignee:
Essilor International (Compagnie Generale d'Optique), Charenton le Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C045/23 ;
U.S. Cl.
CPC ...
Abstract
An injection valve includes an injection channel () that opens outwards via an outlet () and has a specific inlet for the arrival of the molding material (A) remote from the outlet (), in addition to a slider unit () that is moveably mounted in the injection channel () and controls the outlet thereof (). The injection channel () has a specific outlet (B) for discharging the molding material. The invention can be used to mold an optical lens made from a polymerizable synthetic material.