Loose leaf

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A loose leaf (also loose leaf paper, filler paper or refill paper) is a piece of paper of any kind that is not bound in place, or available on a continuous roll, and may be punched and organized as ring-bound (in a ring binder) or disc-bound. Loose leaf paper may be sold as free sheets, or made up into notepads, where perforations or glue allow them to be removed easily. "Leaf" in many languages refers to a sheet or page of paper, as in Folio, as in feuille de papier (French), hoja de papel (Spanish), foglio di carta (Italian), and ルーズリーフ (Japanese, /ruːzuriːfu/).

Contents

"Loose leaf" describes any kind of paper or book that is available in single sheets, unbound. Its "leaves", or sheets, are "loose" and not bound in notebook or book form. In North America, some textbooks are sold with prepunched holes and perforated pages, so that users can remove the pages and store them in a typical 3-ring binder. This helps in that the user is therefore able to carry only the part of book that is in use with them, without needing to carry the whole book.

Main paper sizes are the letter-size system mainly used in North America and the ISO system used in the rest of the world. US companies such as Staples and Office Depot manufacture and sell letter-size loose leaf products in their retail stores. When it comes to ISO-sized loose leaf systems, since Japanese companies (e.g. Kokuyo, Maruman, MUJI, King Jim) are major designers and manufacturers of ISO-size loose leaf systems, whose products are sold internationally, corresponding Japanese terms will be included in parentheses throughout this article.

Design

A (smaller, A5-size) binder and a (larger, letter-size) discbound notebook Binder-based and discbound loose leaf systems.jpg
A (smaller, A5-size) binder and a (larger, letter-size) discbound notebook

Loose leaf systems

There are two main types of loose leaf systems:

A loose leaf system typically contains specially designed hole punches that can be used to punch holes on any common, standard-size paper so that they can be arranged into the loose leaf system. These hole punches are sold by the companies alongside their loose leaf binder or paper products, and usually there are third-party components for sale as well.

Orientation

Loose leaf systems may be “horizontal” or “vertical”. A “vertical” orientation has the punched holes along the longer side of the paper. Most loose leaf systems are vertical. Exceptions include Maruman's Mini (“ミニ”, of B7 size) binder system.

Loose leaf papers

There are four common types of loose leaves: (1) ruled paper (ja: 横罫. North American sizes include wide ruled, college ruled and narrow ruled, the line height of which are approximately 1132, 932 and 14 inch (8.7, 7.1 and 6.4 mm), respectively, attending to different people's needs. In ISO loose leaf system, line height of 6mm, 7mm, 8mm and 10mm are common, typically simply referred to as “6mm罫”, “7mm罫” etc.), which may have “assistive (vertical) lines” (アシストライン), aiding in alignment across lines, [1] (2) unruled (or "blank", 無地), (3) dotted (ja: ドット方眼) and (4) graph paper (or "grid paper", 方眼罫. In North American systems, the size of a grid is typically 14 inch (6.4 mm); in ISO system, it's typically 5 mm). College ruled paper has less space between the blue lines, allowing for more rows of writing. Wide ruled paper is intended for use by grade school children and those with larger handwriting.

Companies also sell pre-printed calendar loose leaves.

Accessories

Special functionalities

Rite in the Rain produces waterproof loose-leaf paper for outdoor (e.g. field) purposes.

Advantages and disadvantages

The chief advantage of loose-leaf paper is its flexibility and economy in use. A punched sheet of paper can be inserted into a ring binder, removed for separate use, and then returned to the binder. Different sheets can be organized into a different order in a binder, or removed entirely and refiled in another binder, or disposed of as needed. This ability to rearrange and update the contents of binders is convenient for students and others, who can carry only the papers they are likely to need on a given day, while leaving the remainder elsewhere. The ability to add or remove an arbitrary number of pages has been useful for reference works that are frequently updated, such as computer software manuals, parts catalogs, and legal indexes. Or it need not be bound at all and can stand on its own as a single paper.

The chief disadvantage of loose-leaf paper is that individual pages can be easily removed or lost from its storage binder due to tearing or wear of the punched holes. Adhesive reinforcement labels or sheet protectors are available to make pages more durable, and ring binders are often equipped with sheet lifters or other features to reduce wear and damage to their paper contents. Ring binders are sometimes banned from use for written journals, logs, or registers, which may even have pre-numbered permanently bound pages to discourage removal of pages, or at least allow a removal to be detected. Besides that, loose-leaf system may take up more space and be heavier compared to common glued or threadbound notebooks, due to the hinge (typically metal) involved.

Loose leaves in countries that use Letter-sized papers

In U.S. and Canada, Letter-sized papers (8.5 x 11 inch) are used, and paper sizes are based on inches. The loose leaves in these countries have three punched holes on the left side of a paper, and the distance between two adjacent holes are set. The loose leaves may be exactly Letter-sized or smaller. Five Star sells Letter-sized loose leaves; Oxford and Mead sell 8 x 10.5 inch loose leaves. In libraries and print shops, hole punchers are regularly provided for punching 3 holes.

Some bound notebooks have perforated lines for tearing off pages, and all pages have pre-punched holes, so that when torn off, they can be organized into a binder directly.

Discbound loose leaf systems in North America

Staples and Office Depot produced "discbound" loose leaf systems: ARC and TUL, respectively, and sell them both in stores and online. Both are available in the US, while in Canada, mainly the Staples ARC system is available. These two systems sell products based on letter and junior (5.5 x 8.5 inch, which is half of letter size) sizes. They sell "narrow-ruled" (whose line height is approx. 6 mm or 1/4 inch) loose leaf paper, which is rare for 3-hole letter size papers. They sell "binding discs" of sizes of 1 inch and 1.5 inch. There are also third-party manufacturers of TUL system components.

Some smaller manufacturers also sell discbound systems. For example, Levenger sells a discbound system called "Circa" (the Levenger Circa® Notebook System).

Loose leaves in countries that use ISO paper standards

In countries that use ISO paper standards (ISO 216), loose leaves of many different sizes are sold on the market.

Japan is a major designer and manufacturer of ISO-sized loose leaf systems, and their products are widely sold in east Asia, Europe and North America, especially through online resellers. Notable companies include Kokuyo, Maruman, MUJI, King Jim and Lihit Lab. MUJI has about 800 retail stores worldwide and sell their loose leaf system through their retail stores and online store.

Design

ISO loose leaf typically has these number of holes:

"Large-size multiple-hole loose-leaf paper"
Paper sizeNumber of holesNote
A430May have 4 extra-large holes for compatibility
B526May have 2 extra-large holes for compatibility
A520
"4/6/9-hole loose-leaf paper"
Paper sizeNumber of holesNote
B59Three holes that go together are closer to each other, and each set of holes are distant from each other
A56
A6
A7The distances between all adjacent holes are the same

For A6 and B6, there are typically "slim" (ja: スリム, surimu) versions as well.

Width of ruled lines

The most common widths of ruled lines are 6mm, 7mm and 8mm. Some manufacturers sell 9mm and 10mm ruled paper as well, to accommodate special needs related to writing CJK characters, which takes up more space than alphabet-based scripts.

Grid and dotted loose leaf papers

The most common grid size is 5 mm, while manufacturers such as MUJI sell grid loose leaf papers of 2 mm and other grid sizes as well.

The most common dot width is 5 mm.

Accessories

Many accessories are on the market, including punched zipper storage bag, punched "today"-ruler, card organizer, etc.

Different countries/regions

ISO-sized loose leaves are most often designed and manufactured in Japan, mainland China and Taiwan.

Japan

Japan is a major contributor to the market of ISO-sized loose leaves. In Japan, sizes of loose leaves such as A4, B5, A5, A6, A7 and special sizes such as "bible size / diary size" (e.g. by Raymay DaVinci) and are sold. Notable Japanese manufacturers include Kokuyo Co., Ltd. (コクヨ  [ ja ]) and Maruman Co. Ltd. (マルマン (文具)  [ ja ]).

Kokuyo's products sell internationally and are available in the Chinese, European and North American markets as well.

MUJI (無印良品, see 良品計画  [ ja ]) has retail stores worldwide, selling products including ISO-sized loose leaf paper, even in North America where ISO sizes are not commonly used.

Both Kokuyo and Maruman manufacture pre-printed calendar loose leaf packages sold for one calendar year.

Kokuyo's loose leaves are sold all over the world, and can be found in North American and European markets.

Lihit Lab (リヒトラブ) produces a special type of loose leaf, with rectangular holes (instead of round ones) with non-standard spacings. Lihit Lab sells special ring binders to fit its loose leaves.

Maruman manufactures and sells a special size called Mini B7 (ミニ size, 86 x 128 mm).

Mainland China

Many loose leaf products are imported from Japan to mainland China. Kokuyo sells Chinese market-specific versions of pre-printed calendar loose leaf packages.

Taiwan

SEASON (四季纸品礼品) is a major manufacturer of different sizes of loose leaves in Taiwan.[ citation needed ]

History

Two early applications of looseleaf binding were Nelson's Perpetual Loose Leaf Encyclopaedia (1907) and legal textbooks updated through a looseleaf service (1914).

See also

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References

  1. 2023-2024 Maruman General Catalog, Page 31. https://www.e-maruman.co.jp/catalog/book/html5m.html#page=1