Archive for the ‘ coils ’ Category

Solstice Mattress – A Perfect blend of Comfort and Luxury!

Getting a proper sleep everyday rejuvenates the human body. Sleeping helps the body to repair and recover from the energy expended during the day. If your bed is comfortable then it allows the brain to go into a REM sleep. Looking for the right mattress can be very time consuming and tiring. Solstice mattress offers a wide range of products that are comfortable and luxurious at the same time. Its premium products offer a wide range of designs in various Mattress comfort layers. The...

Mr. Sandman: Silica and Sleep

Mr. Sandman: Silica and Sleep A popular song recorded in 1954¹ begins with, "Mr. Sandman, bring me a dream." An old nursery rhyme says, "The Sandman's coming in his train of cars / With moonbeam windows and with wheels of stars." Both of these verses are about the mythical Sandman of folklore in Northern Europe. The imaginary Sandman caused people to sleep, then sprinkled magical sand on them to bring good dreams. The "sand" in the stories refers to grainy particles most people have in and...

What’s New in Box Springs?

What's New in Box Springs? For many of us, the box spring is a Ho-Hum item. We buy a mattress, and a box spring is included. When the new mattress is delivered and set up, the box spring is placed on the rolling steel frame, which is adjusted for fit. Then the new mattress is placed on the new box spring. We think we know what a box spring is, so we just take it for granted. The truth is, that plain old box spring under our bed might not be as old a design as we think. It may be something...

Progressive Rate Springs: What Are They Doing in My Bed?

Progressive Rate Springs: What Are They Doing in My Bed? If anyone of us knows what progressive rate springs (PRS) are, the first place we expect them is in wheeled vehicles. In fact, that is the intended application of progressive rate coiled springs, and that is what comes up first in an online search. So it surprising to find "progressive rate springs" in the description of a mattress. And a waterbed mattress, no less! Before we go on, let's see what a progressive rate spring is. Some...

Nanocoils: The smallest mattress coils so far

Nanocoils: The smallest mattress coils so far It used to be that the shortest mattress coils were the 4" Bonnell coils in a sofabed mattress. The reason they were so short, when most coils were 7 or 8 inches high, was so the mattress could be folded to fit inside the sofa under the seat cushions. With the introduction of pocket coils, the trend was for innerspring coils, at least the wrapped coils, to become taller, up to 9 or 10 inches. This allowed greater conformabiity and more...

Minicoils or Microcoils?

Minicoils or Microcoils? A previous blog article, Microcoils, covered the use of coils in mattresses that are significantly smaller than innerspring coils. In this article, I noted that some of these smaller coils are much smaller than others, and that there has not been a concensus on terminology. Until now, the whole category of small springs has been classified as microcoils. But now several manufacturers are placing two layers of these coils above the support core of a mattress....

What Are You Sleeping On? The Ingredients List for Mattress Recipes

What Are You Sleeping on? The Ingredients List for Mattress Recipes What are you sleeping on? A few of the readers of this article may sleep in a sleeping bag or on folded blankets or quilts on a sleeping mat or an air mattress, especially if they are camping at the time and using a smart phone or tablet. Most of us, however, sleep on beds of one sort or another, also including sofas, futons, semi sleepers, and built-in beds. The most common configuration for a bed in North America is a...

Divans and Ottomans: The Alternate Foundations

Divans and Ottomans: The Alternate Foundations We in North America (United States and Canada) are conditioned to think of divans as some kind of couch or sofa which may or may not have armrests at the ends. Thus we are initally puzzled when a divan is one of the foundations available for a mattress. However, the two usages are related. After all, many people will stretch out on a divan for a nap. Ottomans, likewise, come from across the Atlantic with a different application than what we...

Coil-in-Coil Technology

[caption id="attachment_807" align="aligncenter" width="950"] Stearns & Foster's Intellicoil[/caption] Coil-in-Coil Technology [caption id="attachment_806" align="aligncenter" width="123"] Serta's Duet Coil[/caption]   Pocket coils were invented at the end of the 19th Century (1800's) by James Marshall, who began manufacturing them about 1900. Since then, individually wrapped pocket coils have been adopted by most of the major manufacturers of innerspring...

Pocket Coils

Pocket (Marshall) Coils Pocket coils, also known as pocketed coils, encased coils, wrapped coils or Marshall coils, are light gauge open-end coils in fabric pockets. They were invented in 1900 by James Marshall, an Englishman who migrated to Canada. In Toronto, Ontario, Canada he founded the Marshall Mattress Company to make mattresses using his technology. The company is still in business, focusing solely on pocket coil mattresses. It was featured in a 2011 BedTimes Magazine...

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