F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 43/02 (2006.01) F04B 53/14 (2006.01)
Patent
CA 2154919
A pump housing including a base and head mounted to the base in a working position and a sterilize-in-place position. A flexible rolling diaphragm is positioned and clamped by the base and head in the working position to define between the diaphragm and head a working chamber. A retainer is provided for retaining the diaphragm fixed to the base when the base and head are in their sterilize-in-place position. The housing elements in their working position, exposes a first area of the diaphragm to the working chamber and in the sterilize-in-place position, exposes a second area greater than and including the first area. This provides a larger area of sterilization beyond the clamping area which is exposed in the working position of the head and base.
Borden Ladner Gervais Llp
National Instrument Company Inc.
LandOfFree
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