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:
Sep. 20, 1994
Filed:
May. 11, 1992
Applicant:
Inventor:
Lynn M Walker, Leesburg, FL (US);
Assignee:
Walker Stainless Equipment Company, Inc., Tavares, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220209 ; 220363 ; 220373 ; 220 891 ; 220D / ; 137498 ; 137517 ; 137859 ;
Abstract
A capping assembly for attachment to a ferrule of a manhole assembly in a tanker truck having a cap which is provided with a central aperture for venting. The cap is further provided with threads for accommodating the threads of the ferrule. A diaphragm having a flexible central member larger than the aperture of the cap and peripheral apertures is fittably connectable to the ferrule and positionable between the cap and the opening of the ferrule. The diaphragm includes an outer circumferential beveled surface for seatingly engaging a beveled upper inner surface of the ferrule.