Insert with sleeve for a molded impeller

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Resilient – flexible – or resiliently biased

Reexamination Certificate

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Details

C416S24400R, C403S001000, C403S267000, C403S269000, C029S527200, C029S889400, C264S274000, C264S275000, C264S279000, C411S082000, C411S903000

Reexamination Certificate

active

07544042

ABSTRACT:
An impeller assembly includes a molded impeller and an insert within the impeller. The insert includes an unthreaded sleeve and a shoulder adjacent the sleeve for locating the impeller and the insert during manufacturing and installation. Methods of manufacturing and installing are also disclosed.

REFERENCES:
patent: 3228342 (1966-01-01), Page
patent: 3408944 (1968-11-01), Belonger et al.
patent: 3594102 (1971-07-01), Oden
patent: 5692880 (1997-12-01), Zelder
patent: 6003195 (1999-12-01), Whitney
patent: 6533540 (2003-03-01), Mathis
Yardley Products Corp Brochure, Catalog No. 2000, Rev Apr. 2004.
Yardley® Products Corp., Yardley® Intro-Sert® Inserts web page, http://www.yardleyproducts.com/intro.htm, 2 pages, admitted prior art.
Yardley® Products Corp., Inserts Selection Guide web page, http://www.yardleyproducts.com/page2.htm, 2 pages, admitted prior art.
Yardley® Products Corp., Yardley® Standardized Molded-In Inserts web page, http://www.yardleyproducts.com/mold—c.htm, 2 pages, admitted prior art.

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