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Swingline is a division of ACCO Brands Corporation that specializes in manufacturing staplers and hole punches. From its foundation in 1925, the company was located in Long Island City, Queens , New York , United States , until the plant was moved to Nogales , Mexico, in 1999.
Two-hole filebinder hole punch. Another standard also occasionally used in the US is a "filebinder" system. Its two holes are positioned symmetrically, each 2 + 3 ⁄ 4 inches (70 mm) apart from the center, i.e. 5 + 1 ⁄ 2 inches (140 mm) apart from each other. This matches the half-letter 3-hole system, except that the middle hole is omitted.
Stapleless staplers, invented in 1910, are a means of stapling that punches out a small flap of paper and weaves it through a notch. A more recent alternative method avoids the resulting hole by crimping the pages together with serrated metal teeth instead.
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.
Most tape-punching equipment used solid circular punches to create holes in the tape. This process created " chad ", or small circular pieces of paper. Managing the disposal of chad was an annoying and complex problem, as the tiny paper pieces had a tendency to escape containment and to interfere with the other electromechanical parts of the ...
A 3/4 inch conduit size punch actually punches a hole that is approximately 1.1 inches diameter for 3/4 nominal size conduit. A dimensional size punch makes a hole very close to the indicated size. Punch sets are available on both imperial and metric sizes. Chassis punches are available in a number of shapes, round being the most common.