EP2392386A1 - Visière d'un vêtement de protection - Google Patents

Visière d'un vêtement de protection Download PDF

Info

Publication number
EP2392386A1
EP2392386A1 EP11002828A EP11002828A EP2392386A1 EP 2392386 A1 EP2392386 A1 EP 2392386A1 EP 11002828 A EP11002828 A EP 11002828A EP 11002828 A EP11002828 A EP 11002828A EP 2392386 A1 EP2392386 A1 EP 2392386A1
Authority
EP
European Patent Office
Prior art keywords
pane
lens according
seal
protective layer
outer pane
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
EP11002828A
Other languages
German (de)
English (en)
Other versions
EP2392386B1 (fr
Inventor
Sven Altinger
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.)
Tesimax Altinger GmbH
Original Assignee
Tesimax Altinger GmbH
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 Tesimax Altinger GmbH filed Critical Tesimax Altinger GmbH
Publication of EP2392386A1 publication Critical patent/EP2392386A1/fr
Application granted granted Critical
Publication of EP2392386B1 publication Critical patent/EP2392386B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/082Assembling eyepieces, lenses or vision-correction means in or on gas-masks
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/006Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits

Definitions

  • the invention relates to a viewing window of a protective suit, such as in particular a chemical protective suit, according to the preamble of claim 1.
  • the viewing window has an outer pane with radiation-inhibiting properties.
  • Radiation-inhibiting properties in the sense of the invention are understood to mean all material properties or effects caused by additional means, which effects a reflection, blocking or reduction of radiation, which can be formed, for example, by heat radiation, UV radiation or incidence of light.
  • the outer pane on a color tint.
  • a protective layer is arranged on a relative to the protective suit inside of the outer pane, which in particular has a protective function against exposure to chemicals or a heat protection function.
  • Out DE 8913474 U1 is a viewing window, in particular for heat protective clothing, known which has three layers.
  • An outer layer consists of an outer pane of polycarbonate with a gold vaporization as a reflection layer. The actual heat protection function is taken over by a medium PTFE foil.
  • an inner pane of cellulose acetate propionate is provided.
  • a visor which can be used for example for safety hoods.
  • This has several layers, of which an outer layer is formed by two adjacent rigid plastic parts. These rigid plastic parts are held on a common inner layer, which is formed of a flexible material. In this case, one of the layers may have a tint.
  • US 6,364,980 B1 describes the construction of a multilayer viewing window of a chemical protective suit. In this case, the connection of two adjacent films via a peripheral circumferential two-sided adhesive film.
  • WO 2006/138065 A1 describes a protective hood whose visor is formed by a bendable film.
  • the film may have a tint at least in the region of the visor.
  • the object of the invention is to ensure increased mechanical protection in a generic viewing window.
  • the outer pane and the protective layer are arranged with the interposition of a seal and thereby form a gap.
  • This gap formed between outer pane and protective layer provides an increased mechanical Protection, since exposures of the outer pane do not act directly on the protective layer. In addition, this achieves better thermal insulation.
  • the seal is formed of a synthetic rubber in order to ensure a uniform gas tightness at the lowest possible cost.
  • the synthetic rubber is formed by butyl, whereby a particularly high gas impermeability is ensured.
  • the gap formed by means of the seal has a thickness of 0.3 to 0.7 mm, which in many cases, for example, in a breakthrough of a hard object through the outer pane, a further relevant application of the protective layer can be avoided.
  • the color shade is orange.
  • the outer pane additionally has a gold vaporization on an outer side in order to be able to provide effective protection against heat radiation in addition to the glare protection.
  • the outer pane formed by cellulose propionate or polycarbonate, whereby a high tensile strength, abrasion resistance, impact resistance and rigidity of the lens can be achieved, which in turn results in a high resistance to puncture, cracking or Bieger employen.
  • the protective layer is formed by a film of PTFE or FEP. In this way, a particularly high resistance of the window is achieved against the action of chemical substances.
  • an inner pane is provided on a side facing away from the outer pane side of the viewing window, which forms a further protective barrier against external influences, which are caused in particular by chemical substances.
  • the protective layer and the inner pane are arranged with the interposition of an inner seal made of synthetic rubber, thereby forming a further gap. This further gap gap space, both the mechanical protection and the thermal insulation effect of the lens is further increased.
  • the inner seal is made of butyl, whereby a particularly high gas impermeability can also be achieved on the inner pane.
  • the inner pane is formed by cellulose propionate or polycarbonate, whereby a high tensile strength, abrasion resistance, impact resistance and rigidity of the viewing window can also be achieved on the user-facing side of the viewing window.
  • the inner pane additionally has a hydrophilic coating in order to prevent fogging thereof during the use of the relevant protective suit.
  • the value ranges for the construction of the viewing window for the outer pane are 0.3 to 1.7 mm, preferably 0.5 mm, for the seal 0.3 to 0.7 mm, preferably 0.5 mm, for the protective layer 0.1 to 0.15 mm, preferably 0.127 mm, for the inner seal 0.3 to 0.7 mm, preferably 0.5 mm and for the inner pane 0.3 to 1.7 mm, preferably 1.0 mm.
  • the properties of the window pane are optimized with regard to transparency, glare protection, weight and protective effect against chemicals and heat radiation as a whole.
  • Fig. 1 shows a protective suit 2 in the form of a chemical protective suit with a hood 4.
  • a frame device 6 is provided, in which a viewing window 8 is held.
  • the frame device 6 has an outer frame 10 and an inner frame 12, which are held together by screw 14 with the interposition of the lens 8 together. By loosening these screw 14, it is thus possible to remove the lens 8 total or parts thereof and insert new parts in the frame device 6.
  • Fig. 4 shows the structure of the disc 8, which has on an outwardly facing outer side A an outer disc 16 with a gold vaporization 18.
  • the outer pane 16 is optionally made of cellulose propionate (CP) or polycarbonate (PC).
  • the outer pane 16 has an orange hue 20, as indicated by puncturing.
  • a seal 22 made of butyl a protective layer 24 which is formed by a film of PTFE or FEP and thereby assumes the actual chemical protection function within the construction of the lens 8. Due to the circumferential seal 22 made of butyl, a gap space 26 is formed between the outer pane 16 and the protective layer 24, which is particularly well sealed with respect to the entry of gases against the outer environment of the protective suit 2.
  • an inner pane 28 is furthermore arranged, which is arranged adjacent to the protective layer 24 with the interposition of an inner seal 30. In this way, a further gap space 26 is formed, which is particularly well sealed with respect to the entry of gases against the external environment.
  • the inner pane 28 is optionally made of cellulose propionate (CP) or polycarbonate (PC) and preferably has a hydrophilic coating 32, which prevents fogging of the lens 8 from the inside during use.

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Telescopes (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)
EP11002828.9A 2010-06-04 2011-04-05 Visière d'un vêtement de protection Active EP2392386B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010022785A DE102010022785A1 (de) 2010-06-04 2010-06-04 Sichtscheibe eines Schutzanzuges

Publications (2)

Publication Number Publication Date
EP2392386A1 true EP2392386A1 (fr) 2011-12-07
EP2392386B1 EP2392386B1 (fr) 2017-04-12

Family

ID=44587586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11002828.9A Active EP2392386B1 (fr) 2010-06-04 2011-04-05 Visière d'un vêtement de protection

Country Status (3)

Country Link
EP (1) EP2392386B1 (fr)
DE (1) DE102010022785A1 (fr)
ES (1) ES2624922T3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR50359E (fr) * 1938-11-16 1940-04-12 Ferodo Sa Perfectionnements aux vêtements protecteurs contre le feu et les gaz
US2851388A (en) 1954-04-26 1958-09-09 Mine Safety Appliances Co Protective shield
DE8913474U1 (fr) 1989-11-15 1990-01-04 Tesimax-Altinger Gmbh, 7530 Pforzheim, De
US6364980B1 (en) 1995-01-25 2002-04-02 Lakeland Industries Hazardous environment protective garment having a fusion bonded optically transparent facepiece with chlorinated polyolefin seams
WO2006138065A1 (fr) 2005-06-15 2006-12-28 3M Innovative Properties Company Ensemble cagoule respiratoire convertible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR50359E (fr) * 1938-11-16 1940-04-12 Ferodo Sa Perfectionnements aux vêtements protecteurs contre le feu et les gaz
US2851388A (en) 1954-04-26 1958-09-09 Mine Safety Appliances Co Protective shield
DE8913474U1 (fr) 1989-11-15 1990-01-04 Tesimax-Altinger Gmbh, 7530 Pforzheim, De
US6364980B1 (en) 1995-01-25 2002-04-02 Lakeland Industries Hazardous environment protective garment having a fusion bonded optically transparent facepiece with chlorinated polyolefin seams
WO2006138065A1 (fr) 2005-06-15 2006-12-28 3M Innovative Properties Company Ensemble cagoule respiratoire convertible

Also Published As

Publication number Publication date
DE102010022785A1 (de) 2011-12-08
ES2624922T3 (es) 2017-07-18
EP2392386B1 (fr) 2017-04-12

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