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. 04, 1977
Filed:
May. 21, 1974
Applicant:
Inventor:
Emil Robert Plasko, Washington Township, OH (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
337407 ; 337403 ;
Abstract
A collapsible pellet thermal limiter construction having an electrical switching unit that changes its condition when the pellet melts by being heated to a certain temperature for the particular pellet and having an epoxy material sealing one end of the casing of the construction. A filler material is disposed in the epoxy material and is in the order of approximately 4% to approximately 6% by weight of the epoxy material when the pellet has a particular melting temperature other than approximately 208.degree. F., 244.degree. F., 298.degree. F. or 358.degree. F.