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A typical construction of a ratchet-based mechanical pencil. A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. The lead, often made of graphite, is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from ...
Caran d'Ache (French pronunciation: [kaʁɑ̃ daʃ]) is a Swiss manufacturing company of art materials and writing instruments.The company, established in 1915, produces a wide range of products including colored pencils, graphite pencils, pastels, fountain pens, ballpoint pens, mechanical pencils, markers, gouache paints, and ink cartridges.
Lamy produces mechanical pencils. Some of the other Lamy designs exist in mechanical pencil form, such as the 2000 and the Safari. The Scribble, also designed by Hannes Wettstein, [12] is a large-bodied pencil with triangular shapes on the body to help the grip.
In 1955, Scripto was the first to introduce what it called Fluidlead. This was a pencil that wrote like a pen using liquid graphite. Another company, Parker Pens, had developed a similar product called Liquid Lead that was a few months behind Scripto in production. To avoid a costly patent fight the two companies agreed to share their formulas ...
Although mechanical pencils utilizing graphite with a more complicated mechanism already existed, Penkala's innovations greatly simplified their use. A needle attached to a spring (later replaced by convex elastic material) inside the pencil slowly pushed out the graphite as the pencil was being used, thus eliminating the need for manual ...
BIC Ecolutions HB Mechanical Pencils In 2021, Bic introduced an eco-friendly stationery product line called Bic ReVolution. Products sold under this line, including ball and stick pens, mechanical pencils , permanent markers and correction tape, were made using at least 50% recycled plastic, as well as the paperboard used in all of the ...
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