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  2. Swingline - Wikipedia

    en.wikipedia.org/wiki/Swingline

    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.

  3. File:Common-hole-patterns-in-punches-and-binders.svg

    en.wikipedia.org/wiki/File:Common-hole-patterns...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...

  4. Hole punch - Wikipedia

    en.wikipedia.org/wiki/Hole_punch

    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). A hole punch can also refer to similar tools for other materials, such as leather, cloth, or sheets ...

  5. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    The most common mechanism is based upon the Sweet patent. Within the body of the punch, there are three principal moving parts arranged in line: The punch; The intermediate rod (tumbler) The hammer (hammer mass) The hammer mass is spring-loaded from the back of the punch by a large spring. (The spring's preload compression can usually be ...

  6. Punch (tool) - Wikipedia

    en.wikipedia.org/wiki/Punch_(tool)

    A punch is a tool used to indent or create a hole through a hard surface. They usually consist of a hard metal rod with a narrow tip at one end and a broad flat "butt" at the other. When used, the narrower end is pointed against a target surface and the broad end is struck with a hammer or mallet , causing the blunt force of the blow to be ...

  7. Types of press tools - Wikipedia

    en.wikipedia.org/wiki/Types_of_press_tools

    The compound tool differs from progressive and stage tools by the arrangement of the punch and die. It is an inverted tool where blanking and piercing takes place in a single stage and also the blanking punch will act as the piercing die. That means punch will be to the bottom side of the tool and piercing punches to top side of the tool.