Patent · US Expired

Strapless respiratory face mask

US7152601B2 · kind B2 · utility

146Cited by

17References

16Claims

0Family size

Assignee

Mohamed Ali Barakat · IT

Inventors

Mohamed Barakat · Pescara, IT
Gianluca Brotto · Palermo, IT
Rainer Link · Heidelberg, DE
Gianfranco Palumbo · Bad Homburg vor der Höhe, DE

Key dates

Filing date	Dec 13, 2001
Grant date	Dec 26, 2006
Priority date	—
Expiry date	Dec 13, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA41D13/1176
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The present invention relates to face masks to control and improve the quality of inhaled air. Claimed and described is a respiratory face mask comprising a flange and a filter layer, the flange having an inner periphery and an outer periphery and a first and a second width measured perpendicular to the inner periphery between the inner periphery and the outer periphery, characterised in that the first width is greater than the second width. Preferably, such face masks are strapless and rely on a hydrogel adhesive for attachment and sealing. Further claimed and described is an improved cover layer for an adhesive of such a face mask.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.