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Kopfschutz – Mit Arbeitsschutzhelmen optimal abgesichert

Die empfindliche Kopfregion vor Gefahren schützen

Der Kopf gehört zu den empfindlichsten Regionen des menschlichen Körpers. Verschiedene mechanische Fremdeinwirkungen können nicht nur Haut und Knochen schädigen, sondern vor allem auch das Gehirn mit seinen lebenswichtigen Funktionen. Um sich vor diesen Einflüssen zu schützen, entdeckte der Mensch bereits vor Jahrhunderten die Kopfbedeckung. Spezialisierte Schutzhelme und somit der industrielle Schutzhelm, wie wir ihn heute kennen, kamen erst mit dem Zeitalter der Industrialisierung auf. In der heutigen Arbeitswelt müssen Schutzhelme unterschiedliche Gefährdungsbereiche abdecken. Diese Bereiche lassen sich in fünf Kategorien einteilen:

- Mechanisch: herabfallende Gegenstände, pendelnde Lasten, Anstoßen
- Chemisch: Spritzer chemischer Flüssigkeiten
- Thermisch: geschmolzene Metallspritzer, Funken, Wärmestrahlung, heiße Flüssigkeiten, Witterung
- Optisch: UV-Strahlung
- Elektrisch: Störlichtbögen

Um Arbeitsunfälle zu vermeiden, ist der Schutz vor diesen Gefahren sehr wichtig.

Verschillende soorten hoofd- en gezichtsbescherming

Veiligheidshelmen

Helmen zijn er in drie verschillende schaalvormen: recht (1), recht met regengoot (2) en met naar beneden getrokken nekgedeelte en regengoot (3). De industriële veiligheidshelmen zijn gemaakt van thermoplast of duroplast - elk met verschillende eigenschappen en toepassingsgebieden in de bouw, industrie, warmtetechniek en elektrotechniek. Meer gedetailleerde informatie vindt u o.a. op het typeplaatje. Speciale modellen in deze categorie zijn klimhelmen en bosbouw-veiligheidshelmen.


De verschillende schelpvormen in één oogopslag:

 

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1 Abbreviation “CE”
2 4-digit identification number of the registration point
3 Manufacturer’s ID
4 Year and quarter of manufacturer
5 Manufacturer’s type designation
6 Standard applied
7 Helmet material used
8 Size or size range in cm
9 Other markings as per DIN EN 397:
- LD (Lateral Deformation) hazard due to lateral forces
- MM (Molten Metal) hazard due to spatter of molten metal
- 440 V AC hazard due to brief unintentional contact with voltages up to 440 V
- + 150 °C use at very high temperatures
- − 20 °C or − 30 °C use at very low temperatures

Face protection

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Face protection is especially important if fast flying particles, metal splashes, chemicals or electric arcs occur during work. It consists of a transparent protective visor which can be attached directly to a helmet or a head attachment.

Anstoßkappen

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In terms of their shape, impact caps are based on baseball caps. Due to their plastic insert, they offer light head protection, such as against stationary sharp-edged objects. They must not be used as a substitute for industrial safety helmets.

Welder’s masks

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Welding poses hazards, which include very high temperatures, against which employee must protect themselves. A welder’s mask protects the entire head and the face against radiation, heat and sparks. Due to the installed field of view with welding filter, the employee can see his/her workstation. The highly modern welder’s automatic masks also boast several shade levels, which facilitate different kinds of welding work. Caps or hoods made from flame-retardant cotton can be worn underneath the mask.

Accesorios

Existen diferentes tipos de accesorios para estos equipos de protección, por ejemplo:

Vidrios frontales, juegos de bandas
Adaptadores para el enclaje en la máscara
Tubos flexibles, recubrimiento para tubos, parachispas

 

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Selection criteria for head and face protection

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Safety

Depending on the activity and influence factors, different products are eligible for head and face protection. The most important selection criterion here is the safety aspect. Safety helmets for construction must meet different requirements than safety helmets for industry, hot operations or electrical engineering.
This is why helmets made from thermoplastic are used in the construction industry, in assembly, in mechanical workshops and the food industry. This can be a high-density polyethylene (HD-PE) or ABS mixed polymers.
By contrast, head protection in the metal-working industry, the chemicals industry, in shipyards as well as power generation and gas suppliers consists of thermoset; for example, a glass fibre-polyester synthetic resin or a textile-phenolic synthetic resin. These are materials are especially ageing-resistant, shape-retaining up to approx. +200°C and break-proof in the cold. Furthermore, they protect the wearer from liquid metal splashes right through to lateral distortion and are unresponsive to chemicals. Helmets for electricians also protect against electric arcs.

Wearing comfort and wear duration

As with each element of personal protective equipment, head and face protection can be a strain on employees, such as due to the additional weight or the restricted field of vision. That is why wearing comfort plays such a key role in selecting the right product. In industrial safety helmets, the straps of the interior padding (1) should be produced from textile and a sweat band (2) should be present, for example. Furthermore, only head protection should be chosen which enables tailored adjustment (3) (§2 of the PPE usage Regulation). For industrial safety helmets, precision adjustment to the circumference of the wearer’s head takes place during fine adjustment.

Safety helmet for welding work

Visual radiation hazardous to the eyes is generated during welding and cutting work. This can cause burns to the retina or damage to the cornea. For this reason, it is essential to wear adequate protective equipment which provides the correct level of protection. The protection levels of the welding filter are based on the chosen welding method and the associated current. For example, up to nine shade levels are recommended for micro-plasma welding (levels 4–12), whereas there are five for plasma beam welding (levels 9–13).

This table recommends the best shade levels of the welding filter for various different welding processes. Depending on the application conditions, the next higher or lower level can be used:

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Comprehensive product selection and advice regarding head protection

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Compiling the personal protective equipment for all the staff at your company can be a complex matter. Personal support is offered by our PPE specialists: We advise you personally and support you professionally with your risk analysis, product selection, wearing tests and training sessions for your employees. Our experts are the best to ask about the protective effects of the individual PPE products, can advise on statutory regulations and can provide you with a summary of the market.

Important legal regulations

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Various European standards define which properties must be demonstrated by the various head and face protection gear. These include:
- EN 50365: Electrically insulated helmet for working on low-voltage systems
- EN 168: - Non-optical test methods
- EN 166: Visor / clear view glass

The following standards in particular apply to head and face protection for welding work:
- EN 169 on filters for welding work
- EN 175 for welder’s masks
- EN 379 on automatic welding filters

Frequent questions on head protection

Do you have any questions? Do you require PPE consulting?

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The Hoffmann Group provides you with everything from a single source:

- We provide you with tailored advice
- Risk analysis, help with product selection, wearing tests, training sessions and special service offers (glove plans, skin protection plans) 

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