EP2838387A1 - Schutzhaube für reinräume - Google Patents
Schutzhaube für reinräumeInfo
- Publication number
- EP2838387A1 EP2838387A1 EP13734310.9A EP13734310A EP2838387A1 EP 2838387 A1 EP2838387 A1 EP 2838387A1 EP 13734310 A EP13734310 A EP 13734310A EP 2838387 A1 EP2838387 A1 EP 2838387A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hood
- protective hood
- protective
- air
- hood according
- 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
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
- 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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1153—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a hood
-
- 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
- A62B18/006—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 with pumps for forced ventilation
Definitions
- the invention relates to a protective hood, which facilitates working in clean rooms under the aspect of product protection.
- the protective hood (with the name PM Clean Hood) is a self-supporting protective hood, which is especially designed for use in clean rooms. In a clean room, products can be manufactured under a low-pollution atmosphere. This is required for products of electrical engineering and microelectronics.
- the object is therefore to provide a protective hood that does not allow any contaminated or used air to escape.
- This task is solved by a protective hood, which ensures that the breathing air (fresh air) reaches the hood filtered and that the used air is released through a particle filter to the environment. So no dirt particles can get out of the protective hood into the clean room.
- this is characterized in that the breathing air (fresh air) filtered by an integrated PS fleece enters the hood and the spent air is discharged through a P3 particle filter to the environment.
- the special filters do not allow larger particles in or out of the hood.
- the hood is based on a vacuum principle.
- a negative pressure in the hood is generated by means of a breathing air blower. As a result, the air and thus the contaminated air is continuously sucked out of the hood.
- a respiratory fan with PS3 particle filter is a further essential system component in addition to the protective hood and the exhaust hose.
- Conventional respirators blow in air that has been purified using a breathing filter
- the respirator blower used when using the PM Clean Hood has the opposite effect.
- air is drawn in via the exhaust air hose via a PS fleece in the upper head area through the protective hood, whereby a slight negative pressure is created in the hood.
- the extracted air is returned to the room environment via the PS filter on the respirator fan.
- the advantage of this system is that the user is always surrounded by a pleasant flow of air around the face.
- the exhaled air is removed immediately.
- Any biological agents contained in the breath, as well as particles such as dander or hair, are captured by the PS filter, preferably a P3 particulate filter, and can not enter the room environment.
- this is characterized in that the breathing air blower operates motor-assisted and is located in a housing in which additionally a filter module is also arranged, in which the particle filter is located.
- the blower for generating the negative pressure - normally a blower is sufficient - is located in the same housing as the actual particle filter and is attached, for example, to the protective hood.
- the filter module located in the housing serves to receive the particle filter. There can then be optionally inserted particle or combination filter of various strengths.
- the motor-assisted fan is also located in the filter housing and conveys the spent air through the filter.
- Conceivable blowers that work on the principle of axial fans. They are a very common design.
- the axis of rotation of the axial impeller is parallel or axial to the air flow.
- the air is moved by the axial impeller, similar to an airplane or ship's propeller.
- the advantages of axial fans are their small dimensions in relation to the high air flow rate.
- the engine developed in this invention weighs 90 g.
- the protective hood is designed so that it adapts to any head shape. This is achieved by means of elastic bands. The entire cut of the hood and the fitting optimal fit seams increase the comfort compared to conventional hoods much. Supported by the use of elastic bands, the hood adapts to any head shape and ensures sufficient freedom of movement. Also suitable for beard and eyeglass wearers.
- the embodiment of the invention guard shape of the hood which connects the elastic bands of the hood inside with ribbons, preferably also elastic bands on the outside of the hood, has the advantage that the wearer can adjust the hood after placement on the head shape. This is achieved by tightening the bands.
- the hood can be easily put on and taken off again. When removing hair bands and hair nets can be pulled down and contaminate the clean room.
- the connection of the inner side bands with the outer side bands is accomplished by attaching the bands respectively to the hood.
- the hood has a double collar.
- the protective hood is equipped with two superimposed collars.
- the inside, ergonomically cut collar is designed to be worn under the outerwear of the user.
- this is additionally equipped with a fixing band, which closes the carrier under the rib cage.
- the upper collar lies in the shoulder area on the outer clothing. It is sewn around the outer edges. To prepare for dressing, the hood has a practical suspension loop at the top.
- the protective cover is designed so that it is cantilevered without head frame.
- the guard preferably has a visor that has the optical class 1.
- the protective cover consists of a limited usable material.
- the visor meets the requirements of the optical class 1 and is firmly connected to the hood.
- the visor size is designed so that it does not affect the natural field of view.
- the defined visor size virtually eliminates the effects of glare from the rear, which contributes to increased wearing comfort and safety.
- the semi-circular arched visor allows the wearer to turn his head up and down, right and left, without his field of vision being affected by the opaque part of the guard.
- this is characterized in that the exhaust hose is connected to the hood with a special fastening clip. This allows the breathing air hose, depending on where the clip is located on the guard quickly and easily connected to the guard.
- FIG. 1 shows an embodiment of the protective hood. The ones shown here
- Embodiments are not intended to be limiting.
- FIG. 1 shows that the protective hood in this case consists of a limited usable material.
- the visor 1 meets the requirements of the optical class 1 and is firmly connected to the hood.
- the visor size is designed so that it does not affect the natural field of view.
- the defined visor size virtually eliminates the effects of glare from the rear, which contributes to increased wearing comfort and safety.
- the entire cut of the hood and the fitting optimal fit seams 2 increase the comfort compared to conventional hoods much. Supported by the use of elastic bands, the hood adapts to any head shape and ensures sufficient freedom of movement. Also suitable for beard and eyeglass wearers.
- the protective hood is equipped with two superimposed collars.
- the inner, ergonomically tailored collar 3 st destined to be worn under the outerwear of the user.
- this is additionally equipped with a fixing band 4, which closes the carrier under the rib cage.
- the upper collar 5 lies in the shoulder area on the outer clothing. It is sewn around the outer edges. To prepare for dressing, the hood has a practical suspension loop 6 above.
- connection sleeve 7 for receiving the exhaust hose 8 is located between the two collars in the front region of the protective hood, ie in the immediate vicinity of the respiratory organs.
- the exhaust hose is firmly connected by fastening clip 9 with the connector sleeve. Due to the design, the upper collar also covers the exhaust hose, ensuring maximum freedom of movement.
- the material of the protective hood is replaced by a large PS particle fleece 10. This can also be offset with activated carbon.
- a respiratory fan with PS particle filter 11 is in addition to the protective hood and the exhaust hose another essential system component.
- Conventional respirator blows the cleaned using a breathing filter air into a protective hood and thus produce a slight overpressure in the hood.
- the respirator blower used when using the PM Clean Hood has the opposite effect.
- air is drawn in via the exhaust air hose via a PS fleece in the upper part of the head through the protective hood, creating a slight negative pressure in the hood.
- the extracted air is returned to the room environment via the PS filter on the respirator fan.
- the arrows indicate the flow direction of the air flow.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Pulmonology (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201220004168 DE202012004168U1 (de) | 2011-11-24 | 2012-04-18 | Schutzhaube für Reinräume |
DE201310002390 DE102013002390A1 (de) | 2012-04-18 | 2013-02-13 | Schutzhaube für Reinräume |
PCT/DE2013/000196 WO2013156017A1 (de) | 2012-04-18 | 2013-04-17 | Schutzhaube für reinräume |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2838387A1 true EP2838387A1 (de) | 2015-02-25 |
EP2838387B1 EP2838387B1 (de) | 2016-11-16 |
Family
ID=49385026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13734310.9A Not-in-force EP2838387B1 (de) | 2012-04-18 | 2013-04-17 | Schutzhaube für reinräume |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2838387B1 (de) |
DE (1) | DE102013002390A1 (de) |
WO (1) | WO2013156017A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016004452U1 (de) | 2016-07-23 | 2016-09-05 | Pm Atemschutz Gmbh | Maske oder Haube mit Ausatemventil |
WO2021050916A1 (en) | 2019-09-12 | 2021-03-18 | O2-O2, Inc. | Respirator devices with source control mechanisms and associated systems and methods |
WO2022125605A1 (en) * | 2020-12-10 | 2022-06-16 | Flexsys Inc. | Respiratory pump arrangement for personal respiratory isolation and method of use |
GB2607024A (en) * | 2021-05-21 | 2022-11-30 | World Wide Welding Ltd | Soft hood with outlet filter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055173A (en) * | 1975-04-21 | 1977-10-25 | Knab James V | Surgical masking and ventilating system |
US4901716A (en) * | 1989-02-06 | 1990-02-20 | Stackhouse Wyman H | Clean room helmet system |
US5009225A (en) * | 1989-11-30 | 1991-04-23 | Boehringer Mannheim Corporation | Personal ventilating system |
US5042474A (en) * | 1990-04-16 | 1991-08-27 | Williamson Ian M | Self-contained clean room respiration system with breathed air exhausting |
FR2798828B1 (fr) * | 1999-09-29 | 2001-12-14 | Nettoyage & Desinfection | Cagoule pour tenue de salle blanche |
US8037547B2 (en) * | 2007-12-12 | 2011-10-18 | Scott Technologies, Inc. | Protective hood |
-
2013
- 2013-02-13 DE DE201310002390 patent/DE102013002390A1/de not_active Ceased
- 2013-04-17 WO PCT/DE2013/000196 patent/WO2013156017A1/de active Application Filing
- 2013-04-17 EP EP13734310.9A patent/EP2838387B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2013156017A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102013002390A1 (de) | 2013-10-24 |
EP2838387B1 (de) | 2016-11-16 |
WO2013156017A1 (de) | 2013-10-24 |
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