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:
Apr. 06, 1993
Filed:
Oct. 22, 1990
Applicant:
Inventor:
Jin-Liou Fang, San Jose, CA (US);
Assignee:
FMC Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 1053 ; 219 1073 ; 219 1079 ; 156 69 ; 1562742 ; 1563806 ;
Abstract
An induction heating coil with a conical base for fusing a plastic lid to a plastic container. A generally cylindrical container is placed in a generally cylindrical hollow nest having a conical upper wall portion. A plastic lid having a metallic layer is placed on an upper portion of the container. A portion of the lid and a portion of the container are pressed together between the conical wall and the conical coil base during a fusing operation. Container and lid are formed by pressure and heat to provide a uniform seal.