US 11,998,694 B2
Facemask seal
Thomas M. Moulton, Rye, NH (US); and Jerry J. Gong, Andover, MA (US)
Assigned to Sleepnet Corporation, Hampton, NH (US)
Filed by Sleepnet Corporation, Hampton, NH (US)
Filed on Apr. 8, 2021, as Appl. No. 17/225,239.
Application 17/225,239 is a continuation of application No. 16/295,710, filed on Mar. 7, 2019, granted, now 10,974,007.
Prior Publication US 2021/0220595 A1, Jul. 22, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/06 (2006.01); A41D 13/11 (2006.01); A62B 18/02 (2006.01); A62B 18/08 (2006.01)
CPC A61M 16/0605 (2014.02) [A41D 13/1161 (2013.01); A62B 18/025 (2013.01); A62B 18/08 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A sealing element of a facemask, comprising:
a formed flexible material that is substantially triangular in cross-section, the formed flexible material containing a fluid or gel within an entirety of the substantially triangular cross-section, the formed flexible material having three primary faces comprising:
a facemask attachment face;
a skin contact face; and
a third face, wherein the skin contact face is substantially planar and the third face is substantially planar, wherein the
facemask attachment face is configured to contact an attachment surface of the facemask,
wherein the skin contact face is a longest of the three primary faces when the sealing element is viewed in cross-section,
wherein the third face extends from a plane defined by the attachment surface,
wherein, when the sealing element is viewed in cross section, the third face has a length that is less than 90% of a length of the skin contact face,
wherein an entirety of the third face is configured to form a portion of an interior of a facemask chamber when the facemask is worn by a user, and
wherein the third face is configured to be part of an airway passage of the facemask when the facemask is worn by the user.