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US 9,125,771 B2Granted
Tampon having spirally shaped grooves
AssigneeEveready Battery Company, Inc.
InventorHans Werner Schoelling
Life of this patent
Estimating the term…
Abstract
A tampon for feminine hygiene, having an insertion end, a recovery end, a recovery tape, and a longitudinal axis. The tampon is made of compressed fibrous material and has an outer surface that is at least partially provided with spirally shaped, pressed longitudinal grooves. The grooves define spirally shaped longitudinal ribs. Also disclosed is a method for producing the tampon.
Claims14
Method of producing a digital tampon, comprising the steps:
- providing a tampon blank of tangled fibrous material having a longitudinal axis;
- compressing at least narrow lines of an outer circumferential surface of the tampon blank to form a compressed tampon having longitudinal grooves that are at least partially spirally shaped having an insertion end and a recovery end;
- and
- wherein the tampon blank is compressed such that the tampon further comprises a core with a high degree of compression from which relatively uncompressed longitudinal ribs extend radially outward.
1 more element
Dependencies are inferred from the claim text.