Stable internal spring mattress

In addition to providing consistent quality of a material, it is difficult to clean - the original mattress And they usually begin to become dirty, because they often enter with the pad or use the tick fragments of the agricultural soil and insects is crammed together. However, they offer a specific advantages: using abandoned agricultural products to make at home, they are cheap. Even in the late 19th century, the local small manufacturers started production mattress in business, these products are still cheap, because of the early mattress manufacturers continue to rely on extremely cheap filler ( Usually used the tailor discarded residue) not available fabric 。 Has the stable internal spring mattress, may be important progress in the design of the mattress, is in the middle of the 19th century in the early development. Through indoor adornment layer placed within a set of uniform spring mattress manufacturers can inject strong for its products, elastic and uniform texture. However, because of the so-called inner spring mattress manufacturing cost is very high, only to be able to pass the cost on to wealthy customers to buy early luxurious ship and hotel. Until after the first world war, the built-in spring mattress to mass production, the President of the company had previously made bed frames. Although requirements - 40 dollars Than twice good horse hair mattress - at that time For his 1926 built-in spring mattress, his products prove very comfortable, that millions of americans bought them.