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1 vlasvezelplaat
• flax board -
2 panneau de particules de lin
Dictionnaire d'ingénierie, d'architecture et de construction > panneau de particules de lin
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3 плита из льняной костры
Русско-английский словарь по деревообрабатывающей промышленности > плита из льняной костры
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4 Thompson, A.
SUBJECT AREA: Textiles[br]fl. c. 1801 London, England[br]English patentee of one of the first significant machines for heckling flax.[br]The flax plant passes through many stages before its fibres are prepared for spinning. The woody pith surrounding the fibres is first softened by rotting or "retting", and is then removed by beating or "scutching". This leaves the fibres in a tight bunch, as they have grown to form the stem of the plant. Hackling or heckling, the next process, separates the fibres from each other. In hand processes this was done by pulling the fibres across a board of steel spikes, or sometimes a form of comb was pulled through them.In 1795 Sellers and Standage patented a method of heckling in which the flax was pulled by hand through stationary vertical teeth, but much more significant was the patent of 1801 of A.Thompson of London. The length of the fibres in a bundle of flax will vary considerably, therefore the distance between the point where the fibres pass out to be combed and the point where they can be put through another roller or gripper must be greater than the longest fibres, requiring some method of support in between. Thompson used a pair of chain gills for this purpose. These consist of rows of teeth mounted on a continuous chain or belt which moves around while the fibres pass through the teeth in the vertical position. The longer fibres are pulled through the teeth by the drawing rollers at the front, while the shorter ones are held steady by the teeth and presented to the rollers later; thus the teeth both support the fibres and heckle them at the same time. Following this process the fibres can be drawn and spun.[br]Bibliography1801, British patent no. 2,533 (flax-heckling machine).Further ReadingW.English, 1969, The Textile Industry, London (describes Thompson's machine, with an illustration).L.J.Mills (ed.), 1927, The Textile Educator, London (includes a description of later flax-heckling machines).RLH -
5 плита из льняной костры
Forestry: flax-shives boardУниверсальный русско-английский словарь > плита из льняной костры
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6 Flachsspanplatte
Deutsch-Englisch Fachwörterbuch Architektur und Bauwesen > Flachsspanplatte
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7 Dickinson, John
SUBJECT AREA: Paper and printing[br]b. 29 March 1782d. 11 January 1869 London, England[br]English papermaker and inventor of a papermaking machine.[br]After education at a private school, Dickinson was apprenticed to a London stationer. In 1806 he started in business as a stationer, in partnership with George Longman; they transferred to 65 Old Bailey, where the firm remained until their premises were destroyed during the Second World War. In order to secure the supply of paper and be less dependent on the papermakers, Dickinson turned to making paper on his own account. In 1809 he acquired Apsley Mill, near Hemel Hempstead on the river Gade in Hertfordshire. There, he produced a new kind of paper for cannon cartridges which, unlike the paper then in use, did not smoulder, thus reducing the risk of undesired explosions. The new paper proved very useful during the Napoleonic War.Dickinson developed a continuous papermaking machine about the same time as the Fourdrinier brothers, but his worked on a different principle. Instead of a continuous flat wire screen, Dickinson used a wire-covered cylinder which dipped into the dilute pulp as it revolved. A felt-covered roller removed the layer of wet pulp, which was then subjected to drying, as in the Fourdrinier machine. The latter was first in use at Frogmore, just upstream from Apsley Mill on the river Gade. Dickinson patented his machine in 1809 and claimed that it was superior for some kinds of paper. In feet, both types of machine have survived, in much enlarged and modified form: the Fourdrinier for general papermaking, the Dickinson cylinder for the making of board. In 1810 Dickinson acquired the nearby Nash Mill, and over the years he extended the scope of his papermaking business, introducing many technical improvements. Among his inventions was a machine to paste together continuous webs of paper to form cardboard. Another, patented in 1829, was a process for incorporating threads of cotton, flax or silk into the body of the paper to make forgery more difficult. He became increasingly prosperous, overcoming labour disputes with unemployed hand-papermakers. and lawsuits against a canal company which threatened the water supply to his mills. Dickinson was the first to use percolation gauges to predict river flow, and his work on water supply brought him election to a Fellowship of the Royal Society in 1845.[br]Principal Honours and DistinctionsFRS 1845.Further ReadingR.H.Clapperton, 1967, The Paper-making Machine, Oxford: Pergamon Press, pp. 331–5 (provides a biography and full details of Dickinson's inventions).LRD
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