Early Development of Mattress
In 1881, the "Sealy town of Houston, Texas, USA outskirts", a gin named Daniel Haynes artisans begins a production of tampons mattress. In 1900, May. Simmons develops a pocket spring mattress; at the early twentieth century, Dan Luo Fu develops the rubber foam mattress; in 1932, in Italy, Mario Berry uses the polyurethane foam to make mattress; during World War II in Germany, Luis Co Rani also designs an oval mattress, and according to the body weight lying on a mattress of the different parts of the body pressure, he divided the mattress into three parts of soft, medium and hard, so as to maintain the best condition of human bones. Recently, the mattress manufacturer has also developed an "active respond spring system" to change the past usual spring construction form, to let people have more comfortable sleep, elastic enduring; and some spring mattress is combined with polyester foam, the softness degree is optional freely according to customer needs.
Medium Development of Mattress
In the late 20th century, the infrared and magnetic field lines are used in mattresses, such as: a mattress once made by Japan and the Shenzhen joint venture, there are a total of five layers, the first layer is the far-infrared ceramic layer, and if it is heated in the human body, it can produce heated Penetration 6-14 micron wavelength on the human body, and it can warm the body to clear the blood, the second layer is magnetically soft stick, may issue the lines of magnetic force of 1200 Gauss intensity. The third layer is the breathable layer weaving; the fourth layer is natural wool fiber layer, moisture absorption sparse gas, to improve the comfort of the mattress; the fifth floor amino is the acid ethyl layer, maintaining elasticity and tension, resulting in soft "shiatsu" massage effect. It was determined after 20 minutes for human use, the pulse rose from 57 to 60 times; systolic blood pressure decreased from 153 to 145, diastolic blood pressure decreased from 92 to 82 (mm Hg); oxygen saturation from 95% to 97%; The new mattress increase the human health performance. During this period, many of the world's famous mattresses conform to the trend of the times and came into being. For example, BellaRest mattress is one of the famous mattress brands worldwide and is favored by many families.
In recent years, as for environmental protection and human health, people vigorously promote "green protection" and many commodities have introduced the concept of "green products", people are closer to nature, to ensure the reduction of environmental pollution to human health. "Green products" has three features: the conservation of raw materials, energy, and use less expensive and scarce raw materials; Second, the product is harmless to human health; Third, do not pollute the environment, and easy to recycle, reuse and regeneration. So there is a plant fibers mattress, closer to the people to the natural desire to return to nature. A good mattress should have the conditions such as: first, the rigidity and softness are compatible; second, absorbent and breathable are good; third, the embodiment of the support and cushioning effect; fourth, when the body pressure and converting body portion defining not will affect other people sleep with a mattress; fifth, according to the age and physical condition, mattress hardness can be chosen; sixth, mattresses adaptability at winter and summer; seventh, with the "green" requirements and material reliability, particularly the durability of the elastic material.
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