Face mask and method for making the same
US9706800B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2009 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Apr 29, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1051
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for making face masks includes: advancing continuously a longitudinal sheet material that can be divided into a plurality of mask sheets each of which has two opposite longitudinal ends and two opposite transverse ends; cutting the sheet material at intervals to form the mask sheets; providing a plurality of strips each of which has two longitudinally opposite strip ends and each of which is folded to form a pleat between the two strip ends thereof; and bonding the two strip ends of each of the strips to one of the opposite transverse ends of a respective one of the mask sheets to form an ear loop. A structure of the face mask is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.