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The fudepen was invented by Sailor Fountain Pen Co. Ltd. in 1972, but Kuretake Co. Ltd. made it commercially successful with their release in 1973. Kuretake developed their fudepen through the application of felt-tip pen technology, after plans to export felt-tip pens were disrupted by the sudden appreciation of Japanese Yen due to the Nixon Shock. [3]
Surface preparation is a series of operations including cleaning and physical modification of a surface. Steel shot and grit are used in a surface preparation process for cleaning metal surfaces which are covered with mill scale, dirt, rust, or paint coatings and for physically modifying the metal surface such as creating roughness for better application of paint and coating.
Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing. The following is a list of pen types, brands and/or manufacturing companies of those writing implements .
The earliest known split-nib metal dip pen is a surviving copper-alloy pen found in Roman Britain (AD 43 to 410). [4] Several other surviving all-metal and removable-nib pens from the Middle Ages and Renaissance have been found, suggesting they were used alongside quill pens. [5] [6] [7] [8]
Sheaffer Pen Corporation (/ ˈ ʃ eɪ f ə r /) is an Indian owned manufacturing company of writing instruments, particularly luxury fountain pens. The company was founded by Walter A. Sheaffer in Fort Madison, Iowa , and incorporated in 1913 [ 4 ] to exploit his invention of a lever-filling fountain pen.
Depending upon the abrasive and how it was used, dressing may involve the abrasive being simply placed under running water and brushed with a stiff brush for a soft stone or the abrasive being ground against another abrasive, such as aluminium oxide used to dress a grinding wheel. Truing is restoring the abrasive to its original surface shape.