Posted June 9th, 2016
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Category Archives: innerspring mattress

Boxable Adjustable Beds

Boxable Adjustable Beds For a decade, the momentum of mattress-in-a-box e-commerce has been building. From only a very few companies selling mattresses online which are compressed, rolled up into boxes, and shipped via UPS or FedEx, it has expanded to several new firms specializing in this product line. Now most major manufacturers and retailers are entering this market segment. Mattresses are being followed by adjustable beds. Leggett & Platt had already been delivering adjustable...

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...

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...

Coconut and Coir

Coconut and Coir Coconuts are not only something you can eat, but something you can sleep on. Coconuts are the fruit of the coconut palm (Cocos nucifera), a tree naturally found on tropical coasts. The coconut palm has spread by means of its bouyant seed floating on water, following ocean currents and tides. From beaches, it spreads to nearby low areas by dropped seeds. Coconuts are rather large and heavy for seeds, so coconut palms do not naturally range far from the shoreline. However,...

Steel Bed Frames

  [caption id="attachment_1275" align="alignnone" width="205"] Glideaway Bed Frame[/caption] [caption id="attachment_1276" align="alignnone" width="231"] Mantua Metal Bed Base[/caption]   Steel Bed Frames For two or three generations, most beds consist of a mattress, a foundation (box spring, box platform or slatted box) and a bed frame. The bed frame for these is usually side rails, cross bars, and (for larger sizes) a center beam, made of angle steel. These frames have...

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 [caption id="attachment_731" align="aligncenter" width="300"] Pocket coils Image from Simmons Beautyrest[/caption] 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...

Continuous Coils

Continuous Coils [caption id="attachment_719" align="aligncenter" width="347"] Looking down rows of continuous coils Image from Bedrooms & More, Seattle, Washington[/caption] Continuous coils are the least expensive type of coils used in innerspring mattresses. According to Seattle Mattress Company, this coil type was invented by Serta. Currently, Serta is the largest user of continuous coils. Serta's continuous coils are manufactured by Leggett & Platt under the trade name...

Offset (Karr) Coils

Offset (Karr) Coils [caption id="attachment_705" align="aligncenter" width="642"] Offset Coil System Image from Bedrooms & More, Seattle, Washington[/caption] Offset coils, also called Karr coils, were invented in the early 1900s by Frank Karr, who also started the Spring Air mattress company. They were developed from Bonnell coils, the original support for innerspring mattresses. Since the inception of offset coils, they have been used by many other mattress companies. The...

Bonnell Coils

Bonnell Coils Bonnell Coil System, Image from Bedrooms & More, Seattle, Washington The oldest type of coil used in mattresses is the Bonnell coil.  Bonnell coil mattresses are often called "traditional mattresses" or "traditional innerspring mattresses."  Other types of coils have been developed since, but they all originate in the Bonnell coil. Bonnell coils themselves were developed from buggy seat springs.  They are hourglass shaped.  The ends are knotted, the end of the wire...


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