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Thumbnail of Henry Fourdrinier (source)
Henry Fourdrinier
(11 Feb 1766 - 3 Sep 1854)

English inventor of paper-making machinery known by his name, which is still at the core of modern continuous production equipment.


Henry Fourdrinier - Patent 2951


24 July 1806
Henry Fourdrinier

“The method of making a machine for manufacturing paper of an indefinite length, laid and wove, with separated moulds.” This invention consists, first, in placing the moulds end to end “successively in contact, so as to form one long mould, upon which paper can and may be made in like manner as if the whole length or series had consisted of one single mould.” The ends of the frames are made thin, and the office of the “deckle” may be performed by means of a bar attached by hinges to the side of the frames.

Secondly, consists of a platform to place the moulds upon, having side-rails or guides, or a series of parallel rollers with flanges, to allow of the moulds moving to and fro, but not sideways. To the platform is given a horizontal movement, in any desired direction, by suitable mechanical means.

Thirdly, consists in placing over the platform a vessel containing the paper stuff so as to allow “the moulds to be successively introduced in their places upon the platform.” The vessel is supplied with an agitator, with holes to regulate the flow, and with a trough to convey the stuff.

Fourthly consists in placing two revolving cylinders at the far end of the series of moulds, around which is passed an endless web of felting in the manner of a jack towel, for the purpose of taking off the paper from the moulds in one continuous sheet. As the moulds advance towards the first cylinder, which may be effected by any suitable mechanical means, fresh moulds are introduced at the other end of the platform and filled with stuff. The paper proceeding forward with the endless web is caused to pass between pressing rollers.

[Printed, 4d. See Repertory of Arts, vol. 10 (second series), p. 327; Rolls Chapel Reports, 7th Report, p. 195.
“Note.—2950, 2951, a Specification is enrolled in the Petty Bag, in pursuance of an Act of Parliament extending to fifteen years, from August 14, 1807, the term of certain Letters Patent, Nos. 2487 and 2708), assigned to H. and S. Fourdrinier and J. Gamble.”]

From: The Patent Office, London, Patents for Inventions. Abridgments of Specifications Relating to the Manufacture of Paper, Pasteboard and Papier Mache, Part II (1859), Section II, 8-9. (source)


See also:

Nature bears long with those who wrong her. She is patient under abuse. But when abuse has gone too far, when the time of reckoning finally comes, she is equally slow to be appeased and to turn away her wrath. (1882) -- Nathaniel Egleston, who was writing then about deforestation, but speaks equally well about the danger of climate change today.
Carl Sagan Thumbnail Carl Sagan: In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) ...(more by Sagan)

Albert Einstein: I used to wonder how it comes about that the electron is negative. Negative-positive—these are perfectly symmetric in physics. There is no reason whatever to prefer one to the other. Then why is the electron negative? I thought about this for a long time and at last all I could think was “It won the fight!” ...(more by Einstein)

Richard Feynman: It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the facts ... if the facts are right, then the proofs are a matter of playing around with the algebra correctly. ...(more by Feynman)
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