Patent ID: 11871802
Assignee: INTEGRATED PHARMA SERVICES, LLC
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A pair of pleating spacers of adapted for use in a respirator or facial mask that comprises a filter, or a filter layer thereof, that comprises more than two externally-facing pleats and more than two internally-facing pleats wherein:
(A) each of said pleating spacers comprises an array of fold separators that extend outwardly from a spacer support backbone; and
(B) (1) the fold separators of the first of said pair of pleating spacers is adapted to permit their removable insertion into said externally-facing pleats of said pleated filter, or said filter layer thereof; and
(2) the fold separators of the second of said pair of pleating spacers is adapted to permit their removable insertion into said internally-facing pleats of said pleated filter, or said filter layer thereof;

wherein said insertion of said fold separators of said pair of pleating spacers stabilize the folds of said externally-facing pleats and said internally-facing pleats, and increases airflow through the respirator or facial mask in normal use and at normal pressure.