Tampon with extended groove forms
US8827975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Apr 24, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2270/0421
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an intravaginal tampon for feminine hygiene includes a generally cylindrical absorbent pledget and a withdrawal element operatively connected to the generally cylindrical pledget proximate to the withdrawal end thereof. The absorbent pledget includes a mass of fibers compressed into a self sustaining shape and a sheet-like fluid-permeable cover substantially enclosing the mass of fibers. The absorbent pledget has formed thereon or therein a plurality of detached groove forms. At least two of said detached groove forms each has a length, measured along the groove, that is at least 150% of the length of the pledget; each has a major axis having a generally longitudinal orientation; and each has a turn proximate to at least one of the insertion end and the withdrawal end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.