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:
Jan. 10, 1995
Filed:
May. 11, 1993
Applicant:
Inventor:
Martin Hudis, Mattapolsett, MA (US);
Assignee:
Aerovox Incorporated, New Bedford, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
3612752 ; 3613061 ; 361518 ; 361520 ; 29 2542 ; 174 523 ;
Abstract
A polymer-encased capacitor with a pressure sensitive interruption (PSI) system includes a polymer cover attached to a polymer case, the polymer cover having a skirt-less outer portion ultrasonically sealed to an open end portion of the polymer case. The polymer cover does not include flanged or lipped members extending from the outer edge of the cover (i e., 'skirt-less') so that application of ultrasonic energy to the cover does not excite modes of vibration in which vibration nodes occur at intervals around the periphery of the cover, thereby providing a more leak-tight and rupture-proof bond between the capacitor case and cover.