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62:, 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
120:, 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
109:. 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.
332:. 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.
58:). 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
342:, 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
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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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354:, 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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128:. 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
171:. The four-hole version has no ISO standard. The distances between holes are 80 millimetres (3.1 in) (3
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for greater protection; either with one slipcase per each binder, or one slipcase holding several binders.
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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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517:"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
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89:. He also registered a patent on 14 November 1886 for his
538:"175. Geburtstag: Als Louis Leitz den Aktenordner erfand"
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It is also possible to insert the sheet of paper into a
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466:"Lever Arch Mechanisms :: RING ALLIANCE"
236:inches (110 mm). There is a variant for
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312:Personal organizer with metallic ring binder
301:together with ring binders, see the article
124:for hole punching in Sweden under the name
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409:Tengwall's four-ring "fork" binder, open
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293:Three ring binder sprung clip mechanism
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515:Smith, Kiona N. (14 November 2017).
147:Two ring binder lever arch mechanism
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85:invented ring binders in 1886 in
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91:Papierlocher für Sammelmappen
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501:(in German). 27 April 2017.
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190:is a three-ring system for
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131:William P. Pitt obtained
575:"Japanese Binder System"
561:Neue Deutsche Biographie
544:(in German). 2 May 2021.
495:"1900 - Der Aktenordner"
182:The most common type in
72:Henry Tillinghast Sisson
555:de Wall, Hans-Joachim.
397:Three-ring binder, open
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238:half-letter size pages
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38:, or sometimes called
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470:www.ring-alliance.com
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155:. Countries that use
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23:A ring binder, folded
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607:at Wikimedia Commons
83:Friedrich Soennecken
318:personal organizers
78:on April 5, 1859.
646:Swedish inventions
626:1886 introductions
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32:loose leaf binders
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621:German inventions
603:Media related to
577:. Nanamipaper.com
441:Springback binder
192:letter size pages
133:patent no. 778070
122:de facto standard
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605:Ring binders
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563:(in German).
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169:ISO 838
165:ISO standard
163:sheets. The
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56:loose leaves
52:hole punched
48:file folders
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28:Ring binders
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446:Card binder
344:cover pages
126:triohålning
114:Helsingborg
99:Louis Leitz
641:Stationery
615:Categories
581:2019-06-17
499:oe1.orf.at
480:2015-11-04
452:References
431:Loose leaf
421:Hole punch
322:memorandum
303:Loose leaf
153:paper size
139:Variations
97:). German
95:hole punch
631:Notebooks
356:slipcases
107:Stuttgart
70:American
542:Die Zeit
436:Notebook
415:See also
186:and the
372:Gallery
326:Filofax
277:⁄
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81:German
66:History
44:Britain
521:Forbes
184:Canada
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118:Sweden
316:Many
298:Japan
103:Leitz
40:files
328:and
320:and
179:8).
87:Bonn
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