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:
Nov. 15, 2016
Filed:
Jan. 27, 2015
Applicant:
Hoffman Enclosures, Anoka, MN (US);
Inventors:
William Anderson, Anoka, MN (US);
Joseph D. Ricke, Arden Hills, MN (US);
Joseph M. Stark, Chanhassen, MN (US);
Assignee:
Hoffman Enclosures, Inc., Anoka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); B65D 43/02 (2006.01); F17C 13/06 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4444 (2013.01); B65D 43/0214 (2013.01); F17C 13/06 (2013.01);
Abstract
Hole seals for enclosures that are located in a hazardous locations where flammable gases or vapors may exist and methods for installing hole seals. In an embodiment, a hole seal includes a first retaining plate, a gasket, and a second retaining plate. The hole seal further includes a fastener to tighten the first retaining plate and gasket against the second retaining plate.