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:
Feb. 03, 1981
Filed:
Aug. 27, 1979
Applicant:
Inventor:
Donald C Stafford, Hinsdale, IL (US);
Assignee:
Chicago Bridge & Iron Company, Oak Brook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220219 ;
Abstract
A drain for gravity removal of water from the deck of a floating roof in a tank. The drain comprises a flexible coiled hose having a lower outlet end in communication with a conduit inlet in a lower portion of the tank, and an upper inlet end in communication with a sump space on the floating roof deck. The coiled hose is extensible in length for a distance at least equal to the height the floating roof is vertically displaceable in the tank when it is full and empty of liquid.