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. 27, 2009
Filed:
Mar. 06, 2006
William Graham, Somerset West, ZA;
William Graham, Somerset West, ZA;
Grahamtek Technologies Singapore Pte Ltd., Singapore, SG;
Abstract
A cylindrical casing () is disclosed which is of glass reinforced plastic and has an end cap at each end thereof. In the drawing the illustrated end cap is designatedEach end cap has at least one opening () therein through which water can flow. The illustrated end capis held in place by a mounting ring () embedded in the wall of the casing and encircling the casing internally. An internal groove () extends circumferentially of the mounting ring (). A first locking ring () having a peripherally extending external rib () is within the ringThe rib () is in the groove (). A second locking ring () fits into the locking ring () to expand it outwardly and press the rib () into the groove (). Stud holes () in the end cap () and in the locking ring (), receive studs () which secure the locking ring () to the end cap ().