secondary backing construction

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Carpet construction having secondary backing - Darwin ...

Apr 29, 2008· Carpet construction having secondary backing . United States Patent 7364634 . Abstract: A tufted carpet includes a primary backing having a back side and a face side, and a secondary backing. The carpet includes tufts of yarn sewn through the primary backing so as to be exposed on the face side and to form a plurality of back stitches on the ...

Construction Glossary

Construction drywall- A type of construction in which the interior wall finish is applied in a dry condition, generally in the form of sheet materials or wood paneling as contrasted to plaster. Construction, frame- A type of construction in which the structural components are …

What is secondary storage? - Definition from WhatIs.com

External HDDs are portable devices that serve as secondary computer storage or as a network drive. An external drive attaches to a computer via a standard USB port. Older removable media, such as a floppy disk or USB drive, is most often used by consumers to back up personal computer storage. Newer computer systems do not support floppy disks.

Design and construction requirements for exit routes ...

An exit must be separated by fire resistant materials. Construction materials used to separate an exit from other parts of the workplace must have a one-hour fire resistance-rating if the exit connects three or fewer stories and a two-hour fire resistance-rating if the exit connects four or more ...

Secondary Dominants and How to Use Them

Jun 18, 2012· In the previous harmony tutorial, The Basic Functions of Harmony, we introduced the idea that harmony is about a balance between tension and release.If you haven't yet read that tutorial I suggest you do before moving on to this one. For this tutorial we're going to explore the idea of Secondary Dominants and how they can be used to create tension and release in more …

Electrical substation - Wikipedia

A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.

secondary backing construction

secondary backing construction . Thick Lenses (WP) - Dr. Dr. Bill's Page- secondary backing construction,The back vertex power is of considerable importance in ophthalmic optics.By using the step along system we can write these vertex powers in terms of the surface powers, lens thickness t, …secondary backing construction - postcatcher.inUS7364634B1 Carpet construction having.

Rug and carpet backing

Most often, rug and carpet backing is simply a cloth foundation for pile placement. Woven area rugs usually need only a single backing, since their tight construction secures pile yarn in its place. On the other hand, with tufted rugs and carpets, the pile yarn is is simply pushed, or punched through so-called "primary" backing.

Propex Awarded US Patent for Secondary Carpet Backing ...

Apr 01, 2010· Propex Operating Company, LLC was recently awarded US Patent number 7,670,660 for technology related to secondary carpet backing material construction. "Receiving this patent reinforces Propex's leadership in innovation and product design," says Dave Gartshore, vice president of sales for Propex Furnishing Solutions division. "This patented technology will support new product introductions …

Portable Generators and OSHA Construction Standards 3-05.d…

the transformer secondary was to prevent high (primary) voltages from being applied to premises wiring ... result in a path for current to flow back to its source, causing an electrocution in the event of a fault or in ... Is a generator on a construction site supplying only cord-and-plug-connected equipment (saws, drills, lights, etc.) through ...

Construction | Old School RuneScape Wiki | FANDOM powered ...

Construction is a members-only skill that allows players to build their own houses and provide furniture for them. To begin Construction, players must buy a house from one of the estate agents. A starter house will cost 1,000 coins, and will be in Rimmington. A level 40 Magic spell can then be...

Powering Lives | ComEd - An Exelon Company

Powering lives in northern Illinois. Pay your bill, report an outage, start or stop your service, and explore energy saving programs.

Huygens Principle of Secondary Wavelets - YouTube

Jun 01, 2014· Huygens Principle of Secondary Wave lets: According to Huygens theory a point source S sends out waves in all directions. In time to, the waves of …

Carpet - Wikipedia

A carpet is a textile floor covering typically consisting of an upper layer of pile attached to a backing. The pile was traditionally made from wool, but, since the 20th century, synthetic fibers such as polypropylene, nylon or polyester are often used, as these fibers are less expensive than wool. The pile usually consists of twisted tufts which are typically heat-treated to maintain their ...

Propex Awarded US Patent for Secondary Carpet Backing ...

CHATTANOOGA, Tenn., March 31 /PRNewswire/ -- Propex Operating Company, LLC was recently awarded US Patent number 7,670,660 for technology related to secondary carpet backing material construction ...

Carpet backing - primary carpet backing - secondary carpet ...

Secondary backing. Secondary backings by Beaulieu Technical Textiles are woven fabrics that are laminated or bonded to the back of the carpet in order to provide durability. Grass backing. Due to their outdoor application, primary carpet backings for artificial grass by Beaulieu Technical Textiles (BTT) must be extremely strong.

Primary vs Secondary Structure | Forum | Archinect

I just started in architecture school and I am trying to understand the difference between Primary vs Secondary structure in a structural system.As far as I can tell, primary probably means all loadbearing elements but what is secondary? Also, is there tertiary structure?

The Nexus Letter - Under Construction

Under Construction. The Nexus Letter. ... numerous medications for both the primary condition as well as secondary conditions that are aggravated by said primary back condition. (Medicines and secondary conditions are listed separately.) The veteran is not a likely candidate to be rehabilitated.

Specifications and Installation Guide - Eversource

indicated on the Company's plan and related construction documents. Supply Company-approved equipment only; equipment that is not approved shall not be used without the prior written consent of the Company. Install all primary, secondary and service conduits, from the proposed

Dictionary of Construction Terminology - Complete Design, Inc.

Dictionary of Construction Terminology. ... It removes the heat from the freon gas and "turns" the gas back into a liquid and pumps the liquid back to the coil in the furnace. ... A multiplier of the value of moment or deflection in the unbraced length of an axially loaded member to reflect secondary values generated by the eccentricity of the ...

US7364634B1 - Carpet construction having secondary backing ...

A tufted carpet includes a primary backing having a back side and a face side, and a secondary backing. The carpet includes tufts of yarn sewn through the primary backing so as to be exposed on the face side and to form a plurality of back stitches on the back side. The yarn of the tufted carpet is a thermoplastic material having a yarn melting point.

Chapter 4 Secondary Containment and Impracticability

Chapter 4: Secondary Containment and Impracticability Determination . and the role of the EPA inspector in reviewing secondary containment requirements and impracticability determinations are also discussed. The remainder of this chapter is organized as follows. Section . 4.2 provides an overview of the SP rules general secondary containment ...

Texas Construction Lien Law – Construction Liens

Texas Construction Lien Law; Share: Get the USLegal Last Will Combo Legacy Package and protect your family today! includes your Will, Power of Attorney, Living Will and more. Start Now! Get Your Divorce Online! - Receive all the forms you need completed for your State. Learn More!

Transformer Basics and Transformer Principles

In the next tutorial to do with Transformer Basics, we will look at the physical Construction of a Transformer and see the different magnetic core types and laminations used to support the primary and secondary windings.

Specifying the Right Carpet - CRI

Frequently, a secondary backing is included. In the most common system, the yarn is secured into the primary backing by synthetic latex, and a secondary backing (or cushion) is attached with a bonding agent or adhesive to provide further pile-yarn stability and to …

Building and construction - beckers-group.com

Building and construction Roofs. ... Dating back over 150 years, Beckers is a true pioneer in providing unique, high-quality solutions that answer coating needs across many sectors. We are a solid global company, present in 24 locations in 18 countries. With more than 1,800 employees, we are always ready to help our customers expand their horizons.

How to Put Backing on Rugs | Home Guides | SF Gate

A rug in a high-traffic area needs a primary backing, usually a coating of latex adhesive, and a secondary backing -- a cushioned mat bonded to the rug -- to protect against excessive wear.

Choosing Wood at

Secondary wood used to create your furniture ©2004-2011 by Charles A. Plesums, Austin, Texas, USA Secondary wood. You will choose your primary wood, such as walnut, cherry, oak, maple, or one of the others such as those on the previous web page.

Style Name Style Number Type Construction Face Wt ...

Style Name Style Number Type Construction Face Wt. Secondary Backing Price University of Southern California Pricing Effective July 1, 2013 ‐ June 30, 2014 Pebble 60687 Eco Solution Q® Nylon Multi‐Level Pattern Loop 30.0 Ecoworx® Performance Broadloom $24.26