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:
Mar. 27, 2001
Filed:
Jul. 22, 1996
Applicant:
Inventors:
Wilhelmus N. M. Selten, Eindoven, NL;
Martinus P. W. Van Roosmalen, Eindoven, NL;
Hermanus N. Tuin, Eindoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 1/110 ; C03B 1/100 ;
U.S. Cl.
CPC ...
C03B 1/110 ; C03B 1/100 ;
Abstract
A method of manufacturing a hollow cone having an open side and a cone tip. The method utilizing the steps of introducing a viscous material in a first mold portion, introducing a second mold portion and contacting the viscous material therewith, providing a force in an escape space so as to prevent the viscous material from flowing into the escape space, forming the open side of the hollow cone while preventing the viscous material from entering the escape space and causing the viscous material to enter the escape space to form the cone tip.