Disc-binding is a variation of notebook

Notebook

A notebook is a book or binder composed of pages of notes, often ruled, made out of paper, used for purposes including recording notes or memoranda, writing, drawing, and scrapbooking....

 binding that allow pages to be added, removed, and replaced easily. Additionally pages can be transferred between notebooks of different functions and sizes.

A page perforated for a disc-bound binding system contains a row of teeth along the side edge of the page that grip onto the outside raised perimeter of individual discs. Pages can be added or removed at any time by peeling the perforations away from each disc.

As a result of the open nature of the binding mechanism, a number of resources for do-it-yourself planning and productivity management have adopted the system.

Manufacturers

Currently there are several manufacturers of disc-binding systems. In the United States, it is Levenger

Levenger Company

Levenger Company is a specialty retail company established in 1987 in Belmont, Massachusetts, a suburb of Boston. The company sells leather goods, furniture, writing instruments , and office accessories, including its proprietary Circa disc-binding notebook system. Many of its products are designed...

 (which owns the Circa disc line) and Rollabind. In Europe, it is a system called Atoma with a licensee in the United States called Myndology.

Atoma thanks its name to the inventors of the system, two French by the name of Andre Tomas and Andre Martin. In 1948, they sold their patent to Georges Mottart, who founded Papeteries G. Mottart n.v., exclusive producer of disc-binding systems for Europe until the mid-nineties, when the patent expired. Currently, Atoma sells between 1 and 1.5 million paper notebooks with original Atoma binding system.

Feldman filed for a patent in 1998 and obtained it, yet in 2006 it was found that he had copied the idea from another company, for which he used to work. He modified the system, but did not do what he claimed, and thus the patent was invalidated.

Staples is selling a disc bound system under the name of Arc under their M line of products.

External links

• Circa Rolla Flickr
  Flickr
  Flickr is an image hosting and video hosting website, web services suite, and online community that was created by Ludicorp in 2004 and acquired by Yahoo! in 2005. In addition to being a popular website for users to share and embed personal photographs, the service is widely used by bloggers to...
  
  pool - photographic examples of user-customized notebooks
• video illustrating the method by which page perforations grasp onto the perimeters of the discs when inserting and removing pages.