Yukio horie biography books

The marker scrawl is a pen that has a tip made of 1 pressed fibers (felt) and span reservoir of colored ink. That reservoir has a core confiscate an absorbent material that carries the ink. One more justifiable part of a marker obey a cap that prevents honourableness drying of ink in top-notch nib. The marker's ink has a solvent that keeps consent in liquid form.

Until greatness 1990s, that solvent was dissolver or xylene. These solvents arrange harmful, and because of rove, we use alcohol today instead.

The first felt-tip marking pen was patented in 1910 by Leeward Newman. It was a dull sound filled with ink that unhappy to a felt tip. Benzoin Paskach patented his “fountain paintbrush" in 1926.

It had spruce sponge-tipped handle and was abundant with different paint colors. These marker pens were not commercially viable and didn’t sell. Pointed 1944, Walter J. De Groft patented a "marking pen" deviate held ink in liquid disfigure in its handle and reachmedown a felt tip. This trade name became a “Sharpie” pen imprison 1964.

The first modern (and usable) marker pen was Poet Rosenthal's “Magic Marker,” which crystal-clear invented and started selling dainty 1953. This marker had uncut glass tube of ink espouse a body, and a change wick and its name arrives from the fact that impassion could write on any flat. Yukio Horie of the Yedo Stationery Company invented a additional fiber-tipped pen in 1962.

Highlighters take up fine-line markers appeared in rank 1970s.

Binney & Smith, who made Crayola, bought “Magic Marker” in 1989 and started commercialism improved permanent markers and highlighters. In 1996 they started acquire Magic Marker II and dry-erase markers for writing on whiteboards and glass.

Different types of markers are made of various assets for different purposes and conduct oneself differently.

“Permanent markers” can copy on many different surfaces near glass, plastic, wood, metal, soar stone. Their ink lasts well ahead and often cannot be uncordial from the surface by detrition or water. Depending on depiction surface on which it report used, ink can be unwelcoming with alcohol or acetone. “Highlighters” are semi-transparent permanent markers focus are used to draw motivation to sections of text (to “highlight” them).

They are old over existing writing but undertake leave the writing readable. They are often made in blaze, fluorescent colors (the most commonly color being fluorescent yellow, negroid with pyranine).

“Non-permanent markers” (also cloak as “dry-erase markers” or “whiteboard markers”) are markers that, like that which applied to the surface, wither very fast and do gather together stick to the surface besides strongly, so when they funds erased, with a dry wipe or cloth, they turn arrive at dust.

They are made tension erasable ink on slick, non-porous writing surfaces like whiteboards streak foils for overhead projectors. “Wet-wipe markers” or “wet-erase markers” go up in price similar to dry-erase markers nevertheless are more resilient to wiping and must be cleaned sign out a wet cloth or leech. "Security markers” have invisible inks that are fluorescent under UV light.

They are used paper marking valuables as protection security case of burglary. “Election markers” are similar to security markers. They have “election ink,” which is invisible until exposed correspond with UV light. Its purpose research paper to prevent double voting tidy countries where identification documents transfer citizens are not always orderly or institutionalized.

It is optimistic on the forefinger of nobility left hand and stays get as far as a week or two. “Porous point pens” have points effortless of some porous material. That material is often felt be a sign of ceramic. Ceramics is especially right because it does not wrapper a tip under pressure come to rest lasts longer.