WO1982002665A1 - Capuchon de protection contre la chaleur et la fumee - Google Patents

Capuchon de protection contre la chaleur et la fumee Download PDF

Info

Publication number
WO1982002665A1
WO1982002665A1 PCT/GB1982/000021 GB8200021W WO8202665A1 WO 1982002665 A1 WO1982002665 A1 WO 1982002665A1 GB 8200021 W GB8200021 W GB 8200021W WO 8202665 A1 WO8202665 A1 WO 8202665A1
Authority
WO
WIPO (PCT)
Prior art keywords
hood
tapes
layer
wearer
neck
Prior art date
Application number
PCT/GB1982/000021
Other languages
English (en)
Inventor
La Pena Michael De
Charles Wocker Small
Original Assignee
La Pena Michael De
Charles Wocker Small
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 La Pena Michael De, Charles Wocker Small filed Critical La Pena Michael De
Priority to AU80041/82A priority Critical patent/AU8004182A/en
Publication of WO1982002665A1 publication Critical patent/WO1982002665A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/04—Hoods
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/04—Soft caps; Hoods
    • A42B1/046—Balaclavas

Definitions

  • This invention relates to a hood for wearing on the head for use in fire protection situations or when a person is to be evacuated from an area or a room where there is a fire or where there is smoke or noxious fumes.
  • British Patent No. 1 569 088 discloses a welder's hood with an air filter.
  • British Patent No. 1 587 121 discloses headgear and a respirator for aircrew.
  • British Patent No. 1 593 360 discloses a hood of plastics material having welded seams in a special arrangement.
  • British Patent No. 1 395 099 discloses clothing to wear in an operating theatre.
  • British Patent No. 1 352 982 discloses a stretchable hood, and
  • British Patent No. 1 302 670 discloses a stretchable suit.
  • British Patent No. 1 103 380 discloses a filter arrangement for use to improve the ventilation of motor vehicles.
  • British Patent 1 173 143 discloses a hood or a glove which is oleophobic and has a lining which includes activated charcoal.
  • Other proposals have been made in British Patents Nos. 1 587 121, 1 376369,
  • British Patent No. 1529 558 shows a respirator hood tightly fitting the head with a filter container rigidly connected to a mouthpiece.
  • British Patent No. 1 526134 shows a protective hood for use with an air-exhausting device also worn on the head.
  • a hood of non-thermoplastics polyimide material having an open end wherein the head of the wearer may be inserted and having, located in its front wall, a pad which is air permeable but which prevents the passage to the interior of the hood of smoke and noxious gases.
  • the hood is made from two superposed substantially rectangular sheets or of one sheet folded down one of its longer sides of KAPTON plastics material, of approximately 1000th of an inch (25 micrometres) in thickness .
  • a pair of tapes are provided on the hood whereby it may be securely fastened to the head, and according to an advantageous feature of the invention the tapes are located in such a manner as to minimise the dead space within the hood when the tapes are fastened in a prescribed manner.
  • the tapes may be fastened one to each upper corner of the rectangular hood, and then each led down to pass through a loop which is secured to the face of the hood, there being one loop at each side inset about 6 or 7 centimetres from the nearer edge of the hood and disposed about 15 - 18 centimetres, preferably 16 - 17 centimetres, from the bottom or open end of the hood.
  • KAPTON is a Trade Mark of Du Pont de Nemours International S.A., and KAPTON film may be obtained from this company, PP and R Films Division, CH1211 Geneva, Switzerland.
  • the hood may be constructed including an elastic or rubber strap having two ends each of which is secured to an upper region of the front wall of the hood in such a way that the strap extends substantially horizontal when the hood is worn normally by an erect person, and also including a pair of neck tapes, each of which has two ends one of which is secured to the hood and the other of which is free, these tapes being led around the hood and passed through one or more loops attached to the hood, the arrangement being such that the tapes can be pulled in opposite directions to tighten a lower region of the hood snugly around the neck of the wearer.
  • a filter pad is provided over a "window", i.e. an aperture made in one of the superposed sheets of "KAPTON" film.
  • the filter pad may be a 4-layer pad which includes the following layers laminated to one another:-
  • microfine fibre for example polycarbonate fibre, as another example a microfine polypropylene fibre layer may be used.
  • a porous open cell plastics foam layer which is preferably loaded with a suitable amount for example 60 grammes per square metres of activated charcoal powder.
  • Figure 3 is a cross section through a four-layer filter pad used in a hood as shown in Figures 1 and 2;
  • Figure 4 shows diagrammatically an alternative example of hood according to the invention.
  • the illustrated hood includes front and rear walls 10, 12 made of a polyimide film which is flame-resistant, infusible, non-peimeable to gases, resistant to heat radiation and not thermoplastic.
  • the front and rear walls are substantially rectangular and are joined around two or three of their edges to form a bag or hood which can be worn on the head.
  • the hood may be made from a single rectangular sheet of film which is folded over and then secured together along two edges so producing a rectangular bag shape with one end constituting an open mouth into which the wearer inserts his head. Alternatively it may be made from two superposed sheets joined along three edges.
  • the front wall 10 has a window cut therein, and over this window is placed a filter pad layer which in the preferred embodiment of the invention is as shown in Figure 3 and comprises a four-layer laminate.
  • This filter pad layer is secured to th wall 10 by adhesive, by heat sealing, or by other convenient means.
  • tape loops 16, 18 are also attached to the front wall 10 .
  • these tapes 20 and 22 are then tied by the user around his neck, so in substance closing off the lower opening 14 and also flattening the hood to conform quite closely to the head of the wearer in order to reduce the free space within the hood within which dead air can accumulate. It has been found that this particular arrangement of tapes and loops is particularly successful from this point of view as v/ell as making the hood very easy to put on and take off.
  • FIG 3 one example of a filter pad 24 is shown in Figure 3.
  • Alternative filters may be used.
  • the outer layer 26 ( Figure 3) is preferably commercially available
  • the 28 is a layer of microfine fibres for this purpose polycarbonate or polypropylene fibres may be used.
  • a particularly suitable layer is randomized polycarbonate fibre sold by the company Carl Freudenberg of West Germany. This layer forms a good filter for particulate material in smoke.
  • the third layer is preferably a charcoal cloth which has been subjected to a double impregnation in order to render it such that it will absorb hydrogen cyanide gas and nitrogen oxides.
  • the fourth layer is a porous open cell plastics foam which is loaded with a suitable amount of activated charcoal powder. Polyurethane foam having substantially 60 grammes per square metre of such powder may for example be used.
  • Filter including these layers in combination is believed to give good protection against the products of combustion and so will provide good protection to a person who wears such a hood during, for example, escape from a burning building.
  • Figure 4 illustrates in front view an alternative design of hood according to the invention, which is similar to that shown in Figures 1-3, except as regards the arrangement of tapes.
  • the hood 30 illustrated in Figure 4 has an elastic or rubber strap 31 extending across the top of its front surface, secured to the hood at each end. When the hood is worn, this strap 31 is pulled down (indicated dotted at 31a) and hooked below the chin of the wearer (or in a retainer as described later) so diminishing the internal volume of the hood.
  • the strap 31 may be held down by a retainer 34 fixed to the front surface of the hood.
  • the retainer 34 may be such that the strap 31 must be stretched to reduce its diameter in order that it can be hooked or clipped or otherwise retained in a suitable recess or formation (not shown) in the retainer 34.
  • the hood also includes a neck tape encircling the lower part of the hood and held by retaining loops 32, 33 and 38.
  • the two ends 36 and 37 of the tape are free and when the hood is donned, are pulled one by each hand of the wearer in order to fit the lower part of the hood snugly around the neck of the wearer.

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Capuchon (10) compose d'un materiau de polyimide non-thermoplastique pourvu d'un tampon (24) permeable a l'air mais empechant la penetration a l'interieur du capuchon de la fumee ou des gaz nocifs.
PCT/GB1982/000021 1981-02-05 1982-01-26 Capuchon de protection contre la chaleur et la fumee WO1982002665A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU80041/82A AU8004182A (en) 1981-02-05 1982-01-26 Heat and smoke protective hood

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8103520 1981-02-05
GB8103520 1981-02-05
GB8125798810824 1981-08-24
GB8125798 1981-08-24

Publications (1)

Publication Number Publication Date
WO1982002665A1 true WO1982002665A1 (fr) 1982-08-19

Family

ID=26278338

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1982/000021 WO1982002665A1 (fr) 1981-02-05 1982-01-26 Capuchon de protection contre la chaleur et la fumee

Country Status (3)

Country Link
EP (1) EP0070839A1 (fr)
JP (1) JPS58500350A (fr)
WO (1) WO1982002665A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275934A2 (fr) * 1987-01-22 1988-07-27 Drägerwerk Aktiengesellschaft Cagoule de protection pour cas d'urgence
US5113527A (en) * 1989-05-23 1992-05-19 Noel Robertson-Mckenzie Fire and smoke protective hood
US5146636A (en) * 1989-10-05 1992-09-15 Pena John M D De Heat and smoke protective hood
US5214803A (en) * 1992-02-19 1993-06-01 David Shichman Smoke hood
EP3760282A4 (fr) * 2018-03-01 2021-10-20 Toray Industries, Inc. Cagoule de protection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521629A (en) * 1967-09-18 1970-07-28 Schjeldahl Co G T Heat and smoke protective hoods
US4032991A (en) * 1976-01-05 1977-07-05 Engleway Corporation Face and head protective device
US4231118A (en) * 1978-03-25 1980-11-04 Yoshimasa Nakagawa Head and face protecting hood
US4231359A (en) * 1978-11-07 1980-11-04 Midori Anzen Company, Ltd. Personal emergency breathing hood with nose blocking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521629A (en) * 1967-09-18 1970-07-28 Schjeldahl Co G T Heat and smoke protective hoods
US4032991A (en) * 1976-01-05 1977-07-05 Engleway Corporation Face and head protective device
US4231118A (en) * 1978-03-25 1980-11-04 Yoshimasa Nakagawa Head and face protecting hood
US4231359A (en) * 1978-11-07 1980-11-04 Midori Anzen Company, Ltd. Personal emergency breathing hood with nose blocking device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275934A2 (fr) * 1987-01-22 1988-07-27 Drägerwerk Aktiengesellschaft Cagoule de protection pour cas d'urgence
EP0275934A3 (en) * 1987-01-22 1989-06-14 Dragerwerk Aktiengesellschaft Emergency protection hood
US5113527A (en) * 1989-05-23 1992-05-19 Noel Robertson-Mckenzie Fire and smoke protective hood
US5146636A (en) * 1989-10-05 1992-09-15 Pena John M D De Heat and smoke protective hood
US5214803A (en) * 1992-02-19 1993-06-01 David Shichman Smoke hood
WO1993016760A1 (fr) * 1992-02-19 1993-09-02 David Shichman Casque de protection contre la fumee
EP3760282A4 (fr) * 2018-03-01 2021-10-20 Toray Industries, Inc. Cagoule de protection

Also Published As

Publication number Publication date
JPS58500350A (ja) 1983-03-10
EP0070839A1 (fr) 1983-02-09

Similar Documents

Publication Publication Date Title
US4831664A (en) Garment for protecting against environmental contamination
US4901370A (en) Garment for protecting against environmental contamination
US4600002A (en) Disposable respirator
US4635628A (en) Surgical face mask with improved moisture barrier
US5628308A (en) Heat and fire resistant respiratory filtration mask
US4411023A (en) Smoke protective hood
US4231118A (en) Head and face protecting hood
EP0876830B1 (fr) Masque de protection respiratoire améliorée
US6543450B1 (en) Survival mask
CA1180629A (fr) Capuchon protecteur a masque respiratoire
US6134716A (en) Disposable smoke mask with replaceable filter
US6158429A (en) Hood respirator for protection against biological hazards
US6763835B1 (en) Chemical/biological special operations mask
US4032991A (en) Face and head protective device
US4847914A (en) Garment for protecting against environmental contamination
GB2072516A (en) Improvements in and relating to respiratory face masks
US4502157A (en) Protective enclosures having self-contained air supply
WO1982002665A1 (fr) Capuchon de protection contre la chaleur et la fumee
US4554683A (en) Protective enclosure having self-contained air supply
US5214803A (en) Smoke hood
GB2129670A (en) Protective hood
RU81436U1 (ru) Защитный капюшон
KR102715773B1 (ko) 다목적 응급 두건
GB2189152A (en) Emergency escape breathing apparatus
CN217828659U (zh) 一种便于穿戴的紧急逃生呼吸面罩

Legal Events

Date Code Title Description
AK Designated states

Designated state(s): AU DK FI JP NO

AL Designated countries for regional patents

Designated state(s): AT BE CH DE FR GB LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1982900307

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1982900307

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1982900307

Country of ref document: EP