CA2547513A1 - Face mask having baffle layer for improved fluid resistance - Google Patents

Face mask having baffle layer for improved fluid resistance Download PDF

Info

Publication number
CA2547513A1
CA2547513A1 CA002547513A CA2547513A CA2547513A1 CA 2547513 A1 CA2547513 A1 CA 2547513A1 CA 002547513 A CA002547513 A CA 002547513A CA 2547513 A CA2547513 A CA 2547513A CA 2547513 A1 CA2547513 A1 CA 2547513A1
Authority
CA
Canada
Prior art keywords
layer
face mask
projections
baffle layer
body portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002547513A
Other languages
French (fr)
Other versions
CA2547513C (en
Inventor
Eric C. Steindorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
O&M Halyard International ULC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2547513A1 publication Critical patent/CA2547513A1/en
Application granted granted Critical
Publication of CA2547513C publication Critical patent/CA2547513C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask

Abstract

A face mask (10) is provided. The face mask (10) includes a body portion (12 ) that is configured to be placed over a mouth and at least part of a nose of a user (14) such that the air of respiration is drawn through the body portion (12). The body portion (12) includes a baffle layer (16) which helps prevent penetration from a fluid striking the mask. The baffle layer (16) has an out er and an inner surface (18, 20) with a plurality of projections (22) extending from one of the outer or inner surfaces (18, 20). The baffle layer (16) aids in absorbing energy associated with fluid striking the body portion of the mask. The baffle layer (16) distributes fluid away form the point of impact (24) in the channels between the projections (22).

Claims (14)

1. A face mask, comprising:
a body portion configured to be placed over a mouth and at least part of a nose of a user in order to isolate the mouth and the at least part of the nose of the user from the environment such that the air of respiration is drawn through the body portion, the body portion having a baffle layer having an outer and an inner surface with a plurality of projections extending from at least one of the outer or inner surfaces, the baffle layer configured to aid in absorbing energy associated with fluid striking the body portion and to prevent fluid strike through.
2. The face mask of claim 1, wherein:
the body portion has a first layer contacting the projections of the baffle layer; and the body portion has a third layer contacting the inner surface of the baffle layer.
3. The face mask of claim 1, wherein the body portion has an inner facing layer contacting the skin of the user when worn, and an outer facing layer, and wherein the baffle layer is disposed between the inner facing layer and the outer facing layer.
4. The face mask of claim 2 or 3, wherein the first layer or the outer facing layer is stiffer than the baffle layer.
5. The face mask as set forth in any one of the preceding claims, wherein the body portion has a plurality of layers, and wherein the projections define an interior space between the baffle layer and an adjacent layer.
6. The face mask as set forth in any one of the preceding claims, wherein the projections are located on the outer surface of the baffle layer and wherein each of the projections defines a cavity on the inner surface of the baffle layer, and wherein the body portion has a plurality of layers, and wherein the projections define an interior space between the baffle layer and an outer adjacent layer, and wherein the cavities on the inner surface of the baffle layer minimize contact between the inner surface of the baffle layer and an inner adjacent layer.
7. The face mask as set forth in any one of the preceding claims, wherein the projections are on the outer surface of the baffle layer, and wherein the projections and the outer surface of the baffle layer define a plurality of interconnected channels for redirecting the flow of fluid that strikes the body portion, the channels having an orientation such that the fluid is directed laterally away from the point of impact of the fluid through the channels.
8. The face mask of claim 1, wherein the baffle layer is the only layer making up the body portion.
9. The face mask as set forth in any one of the preceding claims, wherein the plurality of projections each defines a cavity on the inner surface of the baffle layer.
10. The face mask as set forth in any one of the preceding claims, wherein the plurality of projections extend from the outer surface of the baffle layer.
11. The face mask as set forth in any one of the preceding claims, wherein the baffle layer is made from a web formed into a three-dimensional shape.
12. The face mask as set forth in any one of the preceding claims, wherein the projections are circular pillows, or are hexagonal in shape.
13. The face mask as set forth in any one of claims 1 to 11, wherein the baffle layer is a film, and wherein each of the projections defines a hole therethrough.
14. The face mask as set forth in any one of claims 1 to 11, wherein the projections are ridges that define a plurality of valleys such that the outer surface of the baffle layer has a corrugated shape.
CA2547513A 2003-12-22 2004-06-25 Face mask having baffle layer for improved fluid resistance Active CA2547513C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/743,260 US8091550B2 (en) 2003-12-22 2003-12-22 Face mask having baffle layer for improved fluid resistance
US10/743,260 2003-12-22
PCT/US2004/020695 WO2005067746A1 (en) 2003-12-22 2004-06-25 Face mask having baffle layer for improved fluid resistance

Publications (2)

Publication Number Publication Date
CA2547513A1 true CA2547513A1 (en) 2005-07-28
CA2547513C CA2547513C (en) 2012-01-03

Family

ID=34678621

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2547513A Active CA2547513C (en) 2003-12-22 2004-06-25 Face mask having baffle layer for improved fluid resistance

Country Status (7)

Country Link
US (1) US8091550B2 (en)
EP (1) EP1696755B1 (en)
JP (1) JP4510834B2 (en)
CA (1) CA2547513C (en)
DE (1) DE602004027414D1 (en)
MX (1) MXPA06007068A (en)
WO (1) WO2005067746A1 (en)

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Also Published As

Publication number Publication date
JP4510834B2 (en) 2010-07-28
WO2005067746A1 (en) 2005-07-28
EP1696755A1 (en) 2006-09-06
EP1696755B1 (en) 2010-05-26
JP2007515248A (en) 2007-06-14
CA2547513C (en) 2012-01-03
MXPA06007068A (en) 2006-08-23
DE602004027414D1 (en) 2010-07-08
US8091550B2 (en) 2012-01-10
US20050133036A1 (en) 2005-06-23

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