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:
Jul. 03, 2012
Filed:
Nov. 11, 2004
Applicants:
Nigel P. Clarence, Rochdale, GB;
Richard J. Collings, Taunton, GB;
Ian H. Wells, Clitheroe, GB;
Inventors:
Assignee:
Weir Minerals Europe Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/62 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump insert () has an inner surface which in use defines a portion of a volute () of a pump () wherein said pump insert () is adapted to be coupled with a pump casing () by an inter-engaging profiled coupling arrangement (). In one disclosed embodiment the pump insert () is adapted to engage a pump casing closure plate () which is locatable about a pump shaft () and between the pump inert () and the pump casing ().