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US 6,478,191 B1Granted
Applicator with protective barrier
AssigneeClosure Medical Corporation
InventorsKeith R. D'Alessio, Andres Rivera, Anthony S. Voiers, Joe B. Barefoot
Life of this patent
Estimating the term…
Abstract
An applicator for dispensing compositions includes a crushable ampoule covered with a barrier material that serves as a protective barrier. The applicator can also include a body made of a flexible material that holds at least one crushable ampoule. The protective barrier protects the user's fingers from puncture by shards created during breakage of the crushable ampoule.
Claims11
An applicator comprising:
- at least one crushable ampoule having an interior surface, an exterior surface, and a central portion, the crushable ampoule being crushable upon application of a force applied by a user's fingers,
- a flexible applicator body having a hollow lumen, said at least one crushable ampoule being located within said hollow lumen of said applicator body, and
- a polymeric barrier film disposed over an exterior surface of said flexible applicator body to cover at least the central portion of the at least one crushable ampoule where the predetermined force is applied and provide a physical barrier to penetration by shards created by crushing of the ampoule.
A method of making an applicator, comprising:
- providing at least one crushable ampoule having an exterior surface and an interior surface, the crushable ampoule being crushable upon application of a force applied by a user's fingers,
- providing a flexible applicator body having an open end, a closed end, and a hollow lumen,
- inserting said at least one crushable ampoule into said hollow lumen of said flexible applicator body,
- applying a polymeric barrier film over said exterior surface of said at least one crushable ampoule by applying said barrier film to an external surface of said flexible applicator body,
- wherein said barrier film protects against penetration of shards created during crushing of said at least one crushable ampoule.
2 more elements
An applicator comprising:
- at least one crushable ampoule having an interior surface, an exterior surface, and a central portion,
- a flexible applicator body having a hollow lumen, with said at least one crushable ampoule being located within said hollow lumen of said applicator body, and
- a clear polymeric barrier material disposed over an exterior surface of said flexible applicator body that protects an area where a force is applied by a user's fingers to break or crush the ampoule to protect the user's fingers from glass shards created during the break.
Dependencies are inferred from the claim text.