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Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Electronic sackbut – invented by Hugh Le Caine in 1945 as a precursor to voltage-controlled synthesizers; Five-pin bowling – invented by Thomas F. Ryan in Toronto in 1909; Goalie mask – invented by Jacques Plante in 1959; Ice hockey – invented in 19th century Canada; Instant replay – invented for CBC's Hockey Night in Canada in 1955
Cooper Canada Ltd. was a sporting goods and fine leather goods manufacturer based in Toronto, Ontario, Canada. In its heyday, the 1960s through to the 1980s, the company was Canada's leading producer of fine leathergoods, hockey, baseball and lacrosse equipment. [ 1 ]
[1] [3] In 1971, Shubin, who was then the Director of Science and Technology for the National Institute for Law Enforcement and Criminal Justice, [4] suggested using Kevlar to replace nylon in bullet-proof vests. [3] [5] Prior to the introduction of Kevlar, flak jackets made of nylon had provided much more limited protection to users. Shubin ...
May 22 – Ontario Place opens in Toronto; June 1 – Census Day for the 1971 Census of Canada, which finds Canada's total population to be 21,568,311. June 3 – The controversial Spadina Expressway project is cancelled; June 11 – Jack Davis becomes Canada's first Minister of the Environment, heading the new department of Environment Canada
Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye
The company expanded within northern Ontario by acquiring the Kidd Mine and Kidd Metallurgical Site (Met Site) in Timmins, Ontario. Expansion continued in the 1990s, with a new mine in Sudbury, and one at Raglan in northern Quebec, though Falconbridge lost the bidding war with Inco for the deposit at Voisey's Bay . [ 4 ]
Activity grew to reach an industrial scale by the middle of the 19th century. Laing Packing and Provisions was founded in Montreal in 1852, F.W. Fearman began processing operations in Hamilton, Ontario and in Toronto William E. Davies established Canada's first large scale hog slaughter house in Toronto in 1874.