A fluid dispenser comprising a barrel having a reservoir chamber, the barrel having an upper portion, a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough, a valve comprising a biasing member and a hole sealer, the valve being adjacent to the reservoir chamber, a coupler having a dispense chamber, and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material.

Title
Method and apparatus for modifying pressure within a fluid dispenser
Application Number
13/050707
Publication Number
20110168744
Application Date
March 17, 2011
Publication Date
July 14, 2011
Inventor
Wayne Showalter
Tucson
AZ, US
William Richards
Tucson
AZ, US
Stephen Mead
Bradenton
FL, US
Brian McGraw
Tucson
AZ, US
Darin McDaniel
Tucson
AZ, US
Bronwen Heilman
Tucson
AZ, US
Anthony Ford
Tucson
AZ, US
Bobbi Druyor Sanchez
Mesa
AZ, US
Vincent R Rizzo JR
Tucson
AZ, US
Charles D Lemme
Tucson
AZ, US
Assignee
Ventana Medical Systems
AZ, US
IPC
B67D 07/06
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