WO1991018569A1 - Face shield - Google Patents

Face shield Download PDF

Info

Publication number
WO1991018569A1
WO1991018569A1 PCT/FI1991/000174 FI9100174W WO9118569A1 WO 1991018569 A1 WO1991018569 A1 WO 1991018569A1 FI 9100174 W FI9100174 W FI 9100174W WO 9118569 A1 WO9118569 A1 WO 9118569A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
face shield
air
face
padding
Prior art date
Application number
PCT/FI1991/000174
Other languages
French (fr)
Inventor
Teppo Tapani Vienamo
Pauli Juhani Saari
Timo Erkki Holmlund
Jyrki Hannu Veli JÄRVINEN
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Publication of WO1991018569A1 publication Critical patent/WO1991018569A1/en
Priority to SE9200118A priority Critical patent/SE505347C2/en
Priority to SE9200118D priority patent/SE9200118D0/en
Priority to GB9202137A priority patent/GB2249963B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/028—Ventilation means

Definitions

  • the present invention relates to a face shield comprising a frame, a glass attached to the frame, a padding between the frame and the face and an attachment portion, like a ribbon encircling the head, and into which face shield air is led.
  • the aim of the invention is to achieve a new type of face shield which is easy to use as well as light.
  • the face shield according to the invention is characterized by the frame being hollow so that the air directed to the face shield is directed to the hollow frame, and that the frame comprises openings through which the air is discharged into the face shield.
  • Said face shield is intended for use with a blowing device or compressed air.
  • the hollow frame made of light and flexible plastic yields according to the shape of the face and is of such a size that the mouth, nose and eyes will stay inside the frame. Because the shield is blow moulded, the cheapest plastic qualities may be used as raw materials and, in addition, all essential parts are formed in one stage of operation.
  • the face shield comprises a few parts which makes it reasonably priced and light. Due to the form and lightness of the construction it is possible to use a fastening ribbon known from sports glasses, which ribbon is easier to handle than the previously used groups of ribbons comprising two or more ribbons.
  • One embodiment of the invention is characterized in that the openings are elongated slots located at the sides of the frame and are directed towards the glass so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass.
  • the openings are elongated slots located at the sides of the frame and are directed towards the glass so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass.
  • the padding between the frame and the face consists of a foam plastic with open cells so that the air, which has been led in to be breathed can together with the exhalation air exit through said padding from inside the face shield.
  • Overpressure is constantly kept up in the face shield so that there is a continuous air flow through the padding.
  • the padding portion can be manufactured in such a way that it can be easily changed in order to maintain hygienic demands. It can, for example, contain a tape attachment.
  • the replaceable paddings may be of different size and thichness, whereby the best fitness is achieved for faces of different sizes .
  • figure 1 is a diagonal front view of the face shield
  • figure 2 is a side view of the face shield
  • figure 3 is a sectional view of the face shield.
  • the face shield comprises a frame 1, a glass 2 attached to the frame, a padding 3 located between the frame and the face and a ribbon 4, which is tightened around the head. Air is led into the face shield through a hose 5.
  • the frame 1 is hollow so that the air led into the face shield is directed into the hollow frame and the frame 1 comprises openings 6, through which the air is discharged into the face shield.
  • the openings 6 are elongated slots located at the sides of the frame 1 and directed towards the glass so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass.
  • the padding 3 between the frame 1 and the face consists of a foam plastic with open cells so that the air, which has been led in to be breathed can together with the exhalation air exit through said padding from inside the face shield.
  • a face shield of this type is needed, which is easy to use, light and not expensive.
  • the padding does not necessarily have to be according to the example, it may also have closed cells or in some other way air impermeable, whereby the extra air is removed through a separate exit opening.
  • glass does not mean glass material but a transparent shield plate, which in reality is transparent plastic or so called plexiglass.

Abstract

A face shield comprising a frame (1), a glass (2) attached to the frame, a padding (3) between the frame and the face and an attaching portion, for example, a ribbon (4) encircling the head, and to which face shield air is led. The frame is hollow so that the air led into the face shield is directed into the hollow frame and the frame comprises openings through which the air is discharged inside the face shield.

Description

Face shield
The present invention relates to a face shield comprising a frame, a glass attached to the frame, a padding between the frame and the face and an attachment portion, like a ribbon encircling the head, and into which face shield air is led.
Known, so called whole face masks of this type made of rubber, comprising regulating valves and fastened by ribbons hurt and are heavy as well as expensive to make. Because of the weight they have to comprise 4 to 5 buckles, whereby they are difficult to put on. Especially weldings masks, into which air is led through canals, are often very heavy and the portions encircling the head are usually made of hard plastic. The big dimensions complicate use and edge sealing is difficult to accomplish. So called hoods made of, for example, plastic cloth, paper or plastic are reasonably priced, but difficult to use and in case of an accident they may lead to risk of suffocation.
The aim of the invention is to achieve a new type of face shield which is easy to use as well as light. The face shield according to the invention is characterized by the frame being hollow so that the air directed to the face shield is directed to the hollow frame, and that the frame comprises openings through which the air is discharged into the face shield. Said face shield is intended for use with a blowing device or compressed air. The hollow frame made of light and flexible plastic yields according to the shape of the face and is of such a size that the mouth, nose and eyes will stay inside the frame. Because the shield is blow moulded, the cheapest plastic qualities may be used as raw materials and, in addition, all essential parts are formed in one stage of operation. The face shield comprises a few parts which makes it reasonably priced and light. Due to the form and lightness of the construction it is possible to use a fastening ribbon known from sports glasses, which ribbon is easier to handle than the previously used groups of ribbons comprising two or more ribbons.
By placing press buttons or other suitable fastening means in the frame it is possible to attach an additional shield made of textile, plastic or paper and covering the surface of the head remaining outside the frame. Due to the new structure of the face shield the dimensions of it are such that a hardhat, hearing protectors or even a welding mask may easily be used simultaneously with it. There is also room for spectacles inside the face shield.
One embodiment of the invention is characterized in that the openings are elongated slots located at the sides of the frame and are directed towards the glass so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass. Thus enough air is achieved for both breathing and removing mist even when the wearer of the face shield breathes heavily or speaks.
Another embodiment of the invention is characterized in that the padding between the frame and the face consists of a foam plastic with open cells so that the air, which has been led in to be breathed can together with the exhalation air exit through said padding from inside the face shield. Overpressure is constantly kept up in the face shield so that there is a continuous air flow through the padding. The padding portion can be manufactured in such a way that it can be easily changed in order to maintain hygienic demands. It can, for example, contain a tape attachment. The replaceable paddings may be of different size and thichness, whereby the best fitness is achieved for faces of different sizes .
The invention will be described in the following with reference to the enclosed drawings, in which figure 1 is a diagonal front view of the face shield, figure 2 is a side view of the face shield, and figure 3 is a sectional view of the face shield.
The face shield comprises a frame 1, a glass 2 attached to the frame, a padding 3 located between the frame and the face and a ribbon 4, which is tightened around the head. Air is led into the face shield through a hose 5. The frame 1 is hollow so that the air led into the face shield is directed into the hollow frame and the frame 1 comprises openings 6, through which the air is discharged into the face shield. The openings 6 are elongated slots located at the sides of the frame 1 and directed towards the glass so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass. The padding 3 between the frame 1 and the face consists of a foam plastic with open cells so that the air, which has been led in to be breathed can together with the exhalation air exit through said padding from inside the face shield.
Especially in connection with a blowing device and also with compressed air a face shield of this type is needed, which is easy to use, light and not expensive. The padding does not necessarily have to be according to the example, it may also have closed cells or in some other way air impermeable, whereby the extra air is removed through a separate exit opening. In this case glass does not mean glass material but a transparent shield plate, which in reality is transparent plastic or so called plexiglass.

Claims

Claims
1. A face shield comprising a frame (1), a glass (2) attached to the frame, a padding (3) between the frame and the face and an attaching portion, for example, a ribbon (4) encircling the head, and to which face shield air is led, characterized in that the air led into the face shield is directed into the hollow frame (1) , and that the frame comprises openings (6) through which the air is discharged inside the face shield.
2. A face shield according to claim 1, characterized in that the openings (6) are elongated slots located at the sides of the frame (1) and directed towards the glass (2) so that the air is discharged in front of the face to be breathed and simultaneously to blow away possible mist from the inner surface of the glass.
3. A face shield according to claim 1, characterized in that the padding (3) between the frame and the face consists of a foam plastic with open cells so that the air, which has been led in to be breathed can together with the exhalation air exit through said padding from inside the face shield.
PCT/FI1991/000174 1990-06-01 1991-05-31 Face shield WO1991018569A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9200118A SE505347C2 (en) 1990-06-01 1992-01-16 Face mask
SE9200118D SE9200118D0 (en) 1990-06-01 1992-01-16 MUDPACK
GB9202137A GB2249963B (en) 1990-06-01 1992-01-31 Face shield

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902746 1990-06-01
FI902746A FI87136C (en) 1990-06-01 1990-06-01 face protection

Publications (1)

Publication Number Publication Date
WO1991018569A1 true WO1991018569A1 (en) 1991-12-12

Family

ID=8530552

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1991/000174 WO1991018569A1 (en) 1990-06-01 1991-05-31 Face shield

Country Status (5)

Country Link
DE (1) DE4191244T1 (en)
FI (1) FI87136C (en)
GB (1) GB2249963B (en)
SE (2) SE9200118D0 (en)
WO (1) WO1991018569A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6973677B2 (en) 2000-01-18 2005-12-13 Stryker Instruments Air filtration system including a helmet assembly
US7752682B2 (en) 2005-03-24 2010-07-13 Stryker Corporation Personal protection system including a helmet and a hood, the helmet including a ventilation system that blows air on the neck of the wearer
WO2014056474A3 (en) * 2012-10-10 2014-11-13 Pm Atemschutz Gmbh Fan‑assisted face shield

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271280B (en) * 1992-10-10 1996-04-03 Locker Ind Ltd Radiant heat shields
US5689833A (en) * 1995-05-03 1997-11-25 Minnesota Mining And Manufacturing Company Eye shield for a respiratory mask
DE10109099B4 (en) * 2001-02-24 2004-09-30 Sata Farbspritztechnik Gmbh & Co.Kg Respiratory protection device
FR2865654B1 (en) 2004-02-03 2006-09-22 Roland Marais METHOD AND DEVICES FOR TOTAL CONTROL OF RESPIRATORY PROTECTION WITH ASSISTED VENTILATION BASED ON THE USE OF FILTERS
DE102014019204B4 (en) 2014-12-19 2018-05-17 Dräger Safety AG & Co. KGaA Head protection device and respiratory protection device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR815402A (en) * 1935-12-24 1937-07-12 Gas mask, made of elastic material such as rubber
US2099464A (en) * 1935-03-26 1937-11-16 Donald L Bruner Goggles
DE1265342B (en) * 1965-01-18 1968-04-04 Hendrik Johannes Cornelis Hann Face mask
US3649964A (en) * 1970-06-04 1972-03-21 Willy A E Schoelz Ventilated welders face mask
SE354416B (en) * 1970-03-23 1973-03-12 Esab Oy
DE2932348A1 (en) * 1979-08-09 1981-02-26 Daimler Benz Ag Protective helmet with air supply - has air inlet into gap between perforated inner skin and plain outer skin
SE455158B (en) * 1986-06-06 1988-06-27 Marek Blasiak Sight protection device
US4890335A (en) * 1988-07-27 1990-01-02 Crowson Arnold E Ventilated welding shield

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3441022A1 (en) * 1984-11-09 1986-05-15 Scott USA Ltd. Partnership, Ketchum, Id. Frameless safety goggles and method of producing them
US4674136A (en) * 1986-05-12 1987-06-23 Ladewig Christopher G Safety mask construction
GB2203050B (en) * 1987-04-06 1991-07-31 Cam Lock Respirator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2099464A (en) * 1935-03-26 1937-11-16 Donald L Bruner Goggles
FR815402A (en) * 1935-12-24 1937-07-12 Gas mask, made of elastic material such as rubber
DE1265342B (en) * 1965-01-18 1968-04-04 Hendrik Johannes Cornelis Hann Face mask
SE354416B (en) * 1970-03-23 1973-03-12 Esab Oy
US3649964A (en) * 1970-06-04 1972-03-21 Willy A E Schoelz Ventilated welders face mask
DE2932348A1 (en) * 1979-08-09 1981-02-26 Daimler Benz Ag Protective helmet with air supply - has air inlet into gap between perforated inner skin and plain outer skin
SE455158B (en) * 1986-06-06 1988-06-27 Marek Blasiak Sight protection device
US4890335A (en) * 1988-07-27 1990-01-02 Crowson Arnold E Ventilated welding shield

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6973677B2 (en) 2000-01-18 2005-12-13 Stryker Instruments Air filtration system including a helmet assembly
US7752682B2 (en) 2005-03-24 2010-07-13 Stryker Corporation Personal protection system including a helmet and a hood, the helmet including a ventilation system that blows air on the neck of the wearer
WO2014056474A3 (en) * 2012-10-10 2014-11-13 Pm Atemschutz Gmbh Fan‑assisted face shield

Also Published As

Publication number Publication date
SE9200118D0 (en) 1992-01-16
FI87136C (en) 1992-12-10
FI902746A0 (en) 1990-06-01
SE9200118L (en)
GB2249963B (en) 1994-01-05
FI902746A (en) 1991-12-02
GB2249963A (en) 1992-05-27
SE505347C2 (en) 1997-08-11
DE4191244T1 (en) 1994-02-17
FI87136B (en) 1992-08-31
GB9202137D0 (en) 1992-03-18

Similar Documents

Publication Publication Date Title
US5410757A (en) Face shield
US3897597A (en) Face and head protector
US3910269A (en) Integrated helmet and mask structure
US6062222A (en) Face mask for self contained breathing apparatus
US20010013346A1 (en) Underwater breathing apparatus and method
CA2218170A1 (en) Eye shield for a respiratory mask
CA2623746C (en) Bubble diverter for use with diving equipment
KR101810603B1 (en) Goggle mask
EP1410775B1 (en) Face shield
KR101873120B1 (en) mask with breathing device
US4674136A (en) Safety mask construction
US4784131A (en) Pollen protection device
KR20200023033A (en) A sports mask
WO1991018569A1 (en) Face shield
US2810385A (en) Means for supporting apparatus on the head
GB2080120A (en) Respirator for use in a toxic environment
US4173220A (en) Facemask
GB2247396A (en) Emergency escape breathing apparatus
EP0470791A2 (en) Emergency escape breathing apparatus
US20230338755A1 (en) Face Mask with Improved Face Seal
US20210392989A1 (en) Filtered protective mask for a helmet
KR20210000416U (en) Face shield mask
CN211123511U (en) Novel skiing glasses
JP2022037809A (en) Auxiliary spacer for mask
KR200497187Y1 (en) Mask for easy breathing

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): DE GB SE US

WWE Wipo information: entry into national phase

Ref document number: 92001189

Country of ref document: SE

WWP Wipo information: published in national office

Ref document number: 92001189

Country of ref document: SE

WWE Wipo information: entry into national phase

Ref document number: 9202137.7

Country of ref document: GB

RET De translation (de og part 6b)

Ref document number: 4191244

Country of ref document: DE

Date of ref document: 19940217

WWE Wipo information: entry into national phase

Ref document number: 4191244

Country of ref document: DE