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:
Dec. 19, 1995
Filed:
Mar. 25, 1994
Applicant:
Inventors:
Louis H Tateosian, York, PA (US);
Duane E Barber, Shrewsbury, PA (US);
Assignee:
Dentsply Research & Development Corp., Milford, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2504921 ; 2505 / ;
Abstract
An apparatus and method for curing light curable material using unfiltered light. A vented housing encloses a single lamp filament light source which emits visible light. The light source is positioned above and to the side of the light curable material which is supported on a rotating table during light curing. Light incident to the surface of the light curable material is at least about 50 milliwatts per square centimeter. The light curable material has a surface temperature of at least 150.degree. F. (65.6.degree. C.) after 2 minutes.