Safety razor steel blades remain in limited production for lower income markets. Because Gillette held a patent on stainless blades but had not acted on it, the company was accused of exploiting customers by forcing them to buy the rust-prone blade. The risk of injury from handling razor blades was further reduced in 1970 when Wilkinson released its "Bonded Shaving System", which embedded a single blade in a disposable polymer plastic cartridge. A flurry of competing models soon followed with everything from one to six blades, with many cartridge blade razors also having disposable handles. Cartridge blade razors are sometimes considered to
Western Cartridge Company for southern Illinois coal mining began in 1893. Olin formed Western Cartridge Company in 1898 to manufacture sporting rifle powder and shotgun shells for settlers of the Great Plains. The shotgun shells used primers manufactured by larger eastern ammunition firms. When the firms with primer manufacturing facilities raised primer prices in 1900 to reduce competition from independent shotgun shell assembly plants, Western Cartridge Company formed the Union Cap and Chemical Company (UCC) as a joint venture with Austin Cartridge Company of Ohio. UCC manufactured primers, blasting caps, and .22 and .32 caliber rimfire cartridges at East Alton. Similar manufacturing procedures