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Rapala (/ ˈ r æ p ə l ɑː / RAP-ə-lah) [1] is a fishing product manufacturing company based in Finland. It was founded in 1936 by Lauri Rapala, who is credited for creating the world's first floating minnow lure carved from cork with a shoemaker's knife, covered with chocolate candy bar wrappers and melted photography film negatives, for a protective outer coating. [2]
Lauri Rapala. Lauri Rapala (1905–1974) was a Finnish fisherman, inventor and the founder of Rapala -Normark Group, the world's largest fishing lure and tackle producer. He died in 1974 at the age of 69. During the course of his life, he married once and fathered seven children. [1] He created one of the first artificial fishing lures in 1936 ...
Working from engineering drawings developed by the toolmaker, engineers or technologists, tool makers lay out the design on the raw material (usually metal), then cut it to size and shape using manually controlled machine tools (such as lathes, milling machines, grinding machines, and jig grinders), power tools (such as die grinders and rotary tools), and hand tools (such as files and honing ...
Rotational molding. A three-motor powered (tri-power) rotational-molding or spin-casting machine. Rotational molding (BrE: moulding) involves a heated mold which is filled with a charge or shot weight of the material. It is then slowly rotated (usually around two perpendicular axes), causing the softened material to disperse and stick to the ...
A plastic extrusion machine extrudes plastic in a continuous profile. The main machine is usually called the host, and its accompanying equipment are called the plastic auxiliary equipment. Plastic extruders can make plastic film/wrapping, packing tape, corrugated sheets, plastic lumber, pipes, tubes, insulated wire, monofilament and nets.
The precision glass moulding process consists of six steps: [1][2] The glass blank is loaded into the lower side of the moulding tool. Oxygen is removed from the working area by filling with nitrogen and/or evacuation of the process chamber. The tool system is nearly closed (no contact of the upper mould) and the entire system of mould, die and ...
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