THE INFORMED SLEEPER
Design/Lifestyle

Swedish Steel

By DUX Design, AB  •  December 25, 2014

The DUX Bed and Swedish Steel
The Swedish steel industry began around 500 B.C. For centuries, the iron was smelted from limonite or bog-iron ore and ferruginous earth in simple blister furnaces. This technique persisted for centuries and even after better methods were devised, blister furnaces were still in use through the 19th century, or 2,300 years later.

Larger blast furnaces overtook blister furnaces around the dawn of the 16th century in Europe for their efficiency. In a blast furnace, intense heat and a multi-layered furnace separate the oxygen from the carbon dioxide, leaving a combination of iron ore and carbon we call steel. The blast furnace laid the groundwork for most of the eventual techniques, including cementation, the Walloon Forge and the Lancashire Forge.

Spring making machine

High tensile steel wire


In the 17th century, years of practice revealed that the highest-grade steel came from oregrounds iron, which was produced naturally in a small Swedish town north of Stockholm called Öregrund. From that point on, as more and more quality iron ores were discovered, Sweden solidified itself as a steel-producing powerhouse.

Incredibly high-quality iron ore occurred naturally in Sweden, and centuries of steel working provided the perfect conditions for the highest quality steel. DUX ergonomic mattresses exclusively use strong Swedish steel to guarantee durability, dynamic support and an even dispersal of your weight while sleeping.

The Swedish steel industry is an art that’s taken more than 2,000 years to perfect. One unintended byproduct?  A deeper more restful sleep.

The Informed Sleeper endeavors to become your sole information resource for better health through deeper sleep.

       
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