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To bind a document, the user first punches holes in the paper with a specialized hole punch. Pages must be punched a few at a time with most of these machines. If hard covers are desired, they must be punched as well. In bulk applications, a paper drilling machine may be used. Then the user chooses a spine size that will match the document.
Three different international-standard two-hole punches. A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves).
The automatic center punch mechanism has been used for a wide variety of other applications. These include Marking and starting a hole for drilling without the bit "walking" out of alignment; Letter stamp sets; Glass-breaking tools used in rescue work and a common tool for a car thief. Impact tool for hardness testing [21]
German Friedrich Soennecken invented ring binders in 1886 in Bonn. [2] [3] He also registered a patent on 14 November 1886 for his Papierlocher für Sammelmappen ("paper punch for binders", or hole punch). [3] German Louis Leitz, founder of Leitz, later made some important changes to the development of ring binders in Stuttgart. [4]
IBM cards, preprinted, optionally numbered and pre-punched, were available as continuous form cards and were used for checks and other documents. [8] Continuous form paper became widely used and well known to the general public in the 1980s due to the development of microcomputers and inexpensive dot-matrix consumer printers.
A HACO CNC punching machine Punched hole: best results for cutting surface with above 70% cutting, low clearance necessary (8% material thickness) Punch presses are developed for high flexibility and efficient processing of metal stampings. The main areas of application are for small and medium runs.