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US 11,387,098 B2Granted
Dispenser guard and method of manufacturing an article
AssigneeCanon Kabushiki Kaisha
InventorSteven C. Shackleton
Life of this patent
Estimating the term…
Abstract
A fluid dispenser, comprising a dispenser faceplate having at least one ejection port and a dispenser guard. The dispenser guard has at least one opening configured to allow fluid exiting from the ejection port to flow through and at least one drainage structure. The dispenser guard is spaced from the ejection port with a gap small enough to attract the fluid accumulated around the ejection port to flow into the drainage structure.
Claims15
A fluid dispenser, comprising:
- a dispenser faceplate having at least one ejection port;
- and
- a dispenser guard having at least one opening configured to allow fluid exiting from the ejection port to flow through and at least one drainage structure, wherein the dispenser guard is spaced from the faceplate with a gap less than about 100 μm to attract, by capillary wicking effect, the fluid accumulated around the ejection port to flow into the drainage structure.
Dependencies are inferred from the claim text.