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In 1940 Churchill designed and patented the swim fin improving it from the earlier version made by Louis de Corlieu in 1935. With skin-diving's low popularity in America, he sold under a thousand pairs. He thought of the idea from seeing Tahitian boys using the same concept. They would use soft rubber and metal bands shaped like a fish tail.
Swimfins, swim fins, diving fins, or flippers are finlike accessories worn on the feet, legs or hands [1] and made from rubber, plastic, carbon fiber or combinations of these materials, to aid movement through the water in water sports activities such as swimming, bodyboarding, bodysurfing, float-tube fishing, kneeboarding, riverboarding, scuba diving, snorkeling, spearfishing, underwater ...
This has led to the use of multi-material design in dive fins and advances in producing dive and swim masks. Cressi's expanded electronics manufacturing also gives it the capability to produce a wide range of electrical components and has also resulted in the first completely in-house design and production of a dive computer, the Leonardo.
DIN 7876 is the third of the seven known military, national and international standards on swimming fins listed below in order of publication: 1965. United States military standard MIL-S-82258. Military specification. Swim fins, rubber. [2] 1977. USSR/CIS standard GOST 22469. Ласты резиновые для плавания.
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The combination of de Corlieu's fins with le Prieur's breathing apparatus in 1935 was a significant development towards the free-swimming scuba diver. [2] In 1939, de Corlieu finally started mass production of his fins, which until then he had made in his apartment in Paris.
TYR Sport, Inc. is an American designer, developer and manufacturer of competitive swim and triathlon apparel and related specialized athletics gear. It shares ownership with Swimwear Anywhere. It shares ownership with Swimwear Anywhere.
Surface finswimming (also known by its acronym, SF) is swimming on the surface of the water using mask, snorkel, and monofins.SF races are held for distances of 50, 100, 200, 400, 800, 1500, 4 × 50 mix relays (2 men's, 2 women's), 4 × 100 relays and 4 × 200 relays (meters) in swimming pools and over various long distances in the open water environment.