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Fly nut

Corkscrews with a handle in shape of a propeller can also be named « fly nut » or « fly handle ».

It is in 1860, in the United-States, that Philos Blake imagined the first corkscrew with a double fin fly handle, but the term “fly nut” appeared in 1866 when Hyde Bateman took out a patent in England.

George Twigg, from Birmingham, and Bateman described the working of an advanced model with a right-handed worm, left-handed threaded shaft and fly nut handle.

In 1884, Plant took out a patent in Germany for the “Wulfruna”, more popular and less rare than the models of Bateman and Blake. Let’s also quote the “Victor», working the same way and produced in England.

It is in France that the fly nut system was the most widely exploited; mainly by the French manufacture “Pérille” which used this mechanical principle since 1867.

Some other French models realized by Leboullanger Frères from Paris since 1880 also exist.

The French manufactures used the double fin fly nut system and later a triple fin fly nut system: it is unnecessary to talk about a more than popular model that was named “Hélice” (propeller) in 1876 and manufactured by the firm Pérille. Later, this model will be named “La Ménagère” (see picture)


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