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In response, after two years of work in 3M's labs, Drew invented the first masking tape (1925), a two-inch-wide tan paper strip backed with a light, pressure-sensitive adhesive. [ 2 ] The first tape had adhesive along its edges but not in the middle.
Alan Amron (born November 20, 1948) is an American inventor who holds 40 [1] [2] United States patents. Amron invented the Photo Wallet and Battery operated water guns. He has claimed to be the inventor of the Post-it note Sticky notes, for which he sued 3M in 1997 and agreed to a confidential settlement. In 2016, he sued 3M again over the same ...
3M test marketed the product as a "Press 'n Peel" in stores in four cities in 1977, but results were disappointing. [18] [19] A year later, 3M launched a massive marketing campaign known as the Boise Blitz. [1] This campaign involved renaming the product to "Post-it Note" and giving out free samples to offices in Boise, Idaho.
There are a few international subsidiaries, such as 3M India, 3M Japan, and 3M Canada. [ 12 ] In June 2023, 3M reached a settlement to pay more than $10 billion to US public water systems to resolve claims over the company's contamination of water with PFASs (so-called forever chemicals). [ 13 ]
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Pad printing (also called tampography) is a printing process that can transfer a 2-D image onto a 3-D object (e.g., a ceramic pottery).This is accomplished using an indirect offset printing process that involves an image being transferred from the cliché via a silicone pad onto a substrate.
Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water, the offset technique employs a flat (planographic) image carrier.
Letterpress commonly features a relief impression of the type, although this was considered bad printing in traditional letterpress. [11] Letterpress's goal before the recent revival of letterpress was to not show any impression. The type touched the paper slightly to leave a transfer of ink, but did not leave an impression.
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