Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Funny video of construction site helmet
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
horizontal ,distance between, the headband and the inside of the ,shell, or any protruding part of the inside of the ,shell,. 3.39. innermost ,lining,. ,lining, on the innermost face of a component assembly of a garment closest to the wearer's skin. Note 1 to entry: Where the innermost ,lining, forms ... ,helmet shell, component in hard material with smooth ...
Suspension bands inside the ,helmet, spread the ,helmet,'s weight and the force of any impact over the top of the head. A suspension also provides space of approximately 30 mm (1.2 inches) ,between, the ,helmet,'s ,shell, and the wearer's head, so that if an object strikes the ,shell,, the impact is less likely to be transmitted directly to the skull.
1/9/2016, · In our approach, ,the hair, thickness was estimated for each participant individually based on the maximum interference ,between, the head and ,helmet, meshes as the ,helmet, was resting on the participant's head, which resulted in an average HTO of 4.21 mm. Considering these estimates, ,the hair, thickness should definitely not be ignored when analyzing 3D head scans for the dimensioning of …
Purpose Hard hats are required when working in areas where there is a potential for injury to the head from falling objects. In addition, hard hats designed to reduce electrical shock are required when working near exposed electrical conductors that may contact the head. Specialty types of hard hats include those with miner's light attachments, reflective stripe for night work, face shields ...
7/11/2020, · Immerse the ,helmet, for 24 hours in water. Remove, clean it and weigh the ,helmet,. The difference in weights should be reported. ,Helmet, should not absorb water more than 5 percent of its mass. Method of Testing Heat Resistance. ,Shell, should be placed in oven for 15 minutes at a temperature of 93 0 c and examined for distortion, separation and ...
29/1/2014, · Another test assesses the rigidity of the ,shell, of the ,helmet, by measuring the deformation of the ,helmet shell, when progressively more load is applied up to 630 N (141.6 lb.). In addition to these areas, ECE 22.05 includes performance for the visor on a ,helmet,, if it is an integral part of the ,helmet,.
In my opinion, the design of this ,mask, is absolutely brilliant! It is not just lightest ,welding helmet, type on the market, if you have ever welded outdoors, near other welders or under bright light you know how difficult it is to work if the light reflects from your shading lens right back at you. Well, you can forget these problems if you are using this ,mask,.
Each ,helmet, should consist of a ,shell, and a means of absorbing energy within the . ,shell,. The harness should be securely attached to the ,shell,. Provision should be made for ventilation ,between, the headband ,and the shell,. The ,shell, should be generally dome shaped. There should be no holes in the ,shells, of Classes A and B helmets that
Clothing (also known as clothes, apparel and attire) is items worn on the body.Clothing is typically made of fabrics or textiles but over time has included garments made from animal skin or other thin sheets of materials put together. The wearing of clothing is mostly restricted to human beings and is a feature of all human societies.The amount and type of clothing worn depends on gender, body ...
The vertical ,distance between, the top of the human head and the top of the ,helmet, body is generally ,between, 25 and 50mm, and that would be much better if it is not less than 32mm. In this way, we can ensure that when it is impacted, the ,helmet, will have enough space for cushioning, and it can also promote ventilation ,between, head and ,helmet,.
All helmets are made from a number of components: an outer ,shell,, an inner liner (for good fit and comfort), fitting straps, and perhaps a decorative covering. ,Helmet shells, are made by blow moulding, vacuum moulding or injection moulding. In many cases the relatively thin section of the outer ,shell, lends itself to sheet process technologies.
The main principle of ,safety helmet, is to protect workers against impact by falling objects or struck by swinging object by energy absorption. Upon hitting by an object, the ,helmet, dissipates some of the energy in the following mechanisms: (i) Stretching of harness inside the ,helmet,; (ii) Partial damage of outer ,shell, of ,helmet,.
Safety helmet, should withstand the impact of a plumb ball of 500gm weight with conical steel point having an included angle of 36 degree or a spherical point of radius not more than 0.5mm, dropped from a height of 3 meter with pointed end downward onto the top of the crown of the ,helmet, without getting pierced, dented or suffering failure of any integral part.