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73:, the rings themselves come in a variety of sizes, including 0.5, 1, 1.5, and 2 inches (13, 25, 38, and 51 mm), though other sizes are also available. The rings may be secured by lever arch mechanisms or other securing systems. The binders themselves are typically made from plastic with metal rings. Early designs were patented during the late 19th century.
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The distance from the punched holes to the nearest edge of the paper is less critical, since small differences do not affect the compatibility of paper and binder. Typical distance from the paper edge to the center of the hole is 0.5 inches (13 mm), and typical diameter of the hole ranges from
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uses a unique system, referred to as J-Binder. This system is compatible with A4 and B5 paper with different products. The A4 version uses 30 closely spaced rings, while the B5 one uses 26. Less common variants such as a 20 ring A5 version also exist. For more on loose leaf paper that are used
131:, and patented in 1890 under the name "Trio binder", named after a business consortium of Tengwall and two associates. Tengwall's design uses four rings, in two paired sets. The hole placement of Tengwall's trio binder is still used as a
120:. Leitz created the lever arch file, a standing binder with a riveted lever arch mechanism (the lever can be easily opened, closed and locked) and space-saving slots into the cover, thereby introducing the modern ring binder.
343:. Most systems have the rings on the left side of the papers as one opens the binder, but there are also binders that have the rings (concealed by the binder cover) at the top edge of the paper, reminiscent of a clipboard.
69:). These binders come in various sizes and can accommodate an array of paper sizes. These are held in the binder by circular or D-shaped retainers, onto which the contents are threaded. In
353:, with three pieces of board held together with sheets of vinyl or other materials and hinges. Materials vary widely. Some vinyl binders have a clear pocket on the outside for
146:
on
December 20, 1904 for a 3-ring binder that became a standard in the United States. The North American de facto standard spacing is 4.25 inches (108 mm) between holes.
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invented a "new and useful improvement in portfolios and paper files" he called a "temporary binder." It used a spring inside a tube to hold papers securely. He received
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inches (70 mm) apart. "Ledger" size binders hold 11-by-17-inch (28 by 43 cm) paper, and may use standard 3-ring spacing or multiple additional rings.
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There are also various options of binder types such as the commonly used vinyl binders or customizable poly binders, turned edge binders, and sewn binders.
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365:, etc. There are also zipper binders, which zip the binder up and keep papers from falling out. Some binders are stored in matching
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139:. These holes are 21 millimetres (0.83 in), 70 millimetres (2.8 in), and 21 millimetres (0.83 in) apart.
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by 11 inches or 220 mm × 280 mm), whose size is similar to ISO 216-based A4 size. A standard
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for greater protection; either with one slipcase per each binder, or one slipcase holding several binders.
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379:. The sheet protector has pre-punched holes, so the document can be kept untouched and unwrinkled.
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170:(as specified by ISO 216), which is most countries, use a two- or four-hole system for holding
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by 11 inches (220 mm × 280 mm) sheet of paper has three holes with spacing of
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0.25 inches (6.4 mm) to 0.31 inches (7.9 mm) in North
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Another design for ring binders was invented in 1889 by
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Binders come in many standard sizes with respect to both capacity and
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528:"Today's Google Doodle Celebrates The Invention Of The Hole Punch"
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Most binder covers are made of three pieces, in the fashion of a
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inches or 220 mm × 140 mm), whose three rings are
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two holes are 80 millimetres (3.1 in) apart, according to
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Large folder that contains file folders or hole-punched papers
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Two-ring binders, in open (right) and closed (left) positions
357:, and many have pockets in the inner cover for loose papers,
100:. He also registered a patent on 14 November 1886 for his
549:"175. Geburtstag: Als Louis Leitz den Aktenordner erfand"
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It is also possible to insert the sheet of paper into a
335:books use a six- or seven-hole system, including
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477:"Lever Arch Mechanisms :: RING ALLIANCE"
247:inches (110 mm). There is a variant for
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323:Personal organizer with metallic ring binder
312:together with ring binders, see the article
135:for hole punching in Sweden under the name
420:Tengwall's four-ring "fork" binder, open
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304:Three ring binder sprung clip mechanism
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526:Smith, Kiona N. (14 November 2017).
158:Two ring binder lever arch mechanism
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96:invented ring binders in 1886 in
57:) are large folders that contain
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104:("paper punch for binders", or
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102:Papierlocher für Sammelmappen
512:(in German). 27 April 2017.
201:is a three-ring system for
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142:William P. Pitt obtained
586:"Japanese Binder System"
572:Neue Deutsche Biographie
555:(in German). 2 May 2021.
506:"1900 - Der Aktenordner"
193:The most common type in
83:Henry Tillinghast Sisson
566:de Wall, Hans-Joachim.
408:Three-ring binder, open
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249:half-letter size pages
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49:, or sometimes called
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481:www.ring-alliance.com
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166:. Countries that use
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34:A ring binder, folded
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618:at Wikimedia Commons
94:Friedrich Soennecken
329:personal organizers
89:on April 5, 1859.
657:Swedish inventions
637:1886 introductions
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43:loose leaf binders
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632:German inventions
614:Media related to
588:. Nanamipaper.com
452:Springback binder
203:letter size pages
144:patent no. 778070
133:de facto standard
47:looseleaf binders
16:(Redirected from
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616:Ring binders
590:. Retrieved
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574:(in German).
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489:. Retrieved
485:the original
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180:ISO 838
176:ISO standard
174:sheets. The
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67:loose leaves
63:hole punched
59:file folders
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39:Ring binders
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457:Card binder
355:cover pages
137:triohålning
125:Helsingborg
110:Louis Leitz
652:Stationery
626:Categories
592:2019-06-17
510:oe1.orf.at
491:2015-11-04
463:References
442:Loose leaf
432:Hole punch
333:memorandum
314:Loose leaf
164:paper size
150:Variations
108:). German
106:hole punch
18:Lever Arch
642:Notebooks
367:slipcases
118:Stuttgart
81:American
553:Die Zeit
447:Notebook
426:See also
197:and the
383:Gallery
337:Filofax
288:⁄
274:⁄
260:⁄
242:⁄
228:⁄
214:⁄
92:German
77:History
55:Britain
532:Forbes
195:Canada
188:
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129:Sweden
327:Many
309:Japan
114:Leitz
51:files
339:and
331:and
190:8).
98:Bonn
265:by
61:or
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