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US 6,681,498 B2Granted
Blast nozzle
AssigneeNovartis AG
InventorWerner Steffan
Life of this patent
Estimating the term…
Abstract
The invention is concerned with the problem of ensuring optimum drying of contact lenses on a gripper, while at the same time minimizing interruptions in operations. This is achieved by a convex shape of the end face of the blast nozzle.
Claims11
A blast nozzle for drying contact lenses, comprising:
- cylindrical basic element with a convex end face, and
- jets for blowing compressed air onto the a contact lens to dry the contact lens, wherein the jets are arranged on the convex end surface and can be linked to a supply of compressed air.
A blast nozzle, comprising:
- a cylindrical basic element having a convex end face, a hollow cavity near the convex end surface and a core bore extending into the hollow cavity, wherein the hollow cavity has a diameter larger than the core bore, wherein the core bore is linked to a supply of compressed air;
- and
- jets being arranged on the convex end surface for blowing the compressed air onto a contact lens to dry the contact lens, wherein the jets open into the hollow cavity and are supplied with the compressed air from there.
Dependencies are inferred from the claim text.