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his masticator was operated by one man and could only hold 3 oz (85 g); it was a wooden machine with a hollow cylinder studded with metal "teeth", with an inner studded core that was hand-cranked. By 1821 he had produced a two-man machine that held 1 lb (0.45 kg), and by 1841, he had created a machine that could process up to 200 lb (91 kg) of rubber at a time.
251:, shoes and stockings; in the process of creating these early elastic fabrics, Hancock found himself wasting large amounts of rubber. He invented a machine to shred the waste rubber, his "Pickling machine" (or "masticator" as it is now known). He called it by the deceptive name of "Pickling" because he initially chose not to patent it, instead preferring to rely on secrecy.
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In 1834, Hancock's London factory burned down and
Macintosh had already closed his Glasgow factory. The work was moved to Manchester where, in 1838, another fire destroyed that factory. A new factory was soon built and business continued as before, even though Macintosh's 1823 patent had expired in
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By 1830 it was obvious to everyone concerned that
Hancock's leather solution, prepared with his masticated rubber, was better than Macintosh's. The two inventors merged their companies and began more fully co-operating, constructing, for example, an automatic spreading machine to replace the paint
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In 1820, Hancock rented a factory in
Goswell Road, London, where he worked raw rubber with the machines he had invented. His machines produced a warm mass of homogeneous rubber that could then be shaped and mixed with other materials, and was more easily dissolved than raw rubber. The prototype of
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Brockendon later said in an affidavit that he never heard or knew of
Hancock analysing the Goodyear samples, a claim Hancock verifies in his "Personal Narrative", where he claimed he had been experimenting with sulphur for many years himself. A number of chemists also swore that even if he had
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Although the
Macintosh style of coat has become generic (abbreviated as mac or mack), the company that Hancock and Macintosh established lives on as two separate entities, Macintosh and Hancock Vulcanised Articles. Both continue to make rubberised coats using the same techniques and procedures
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Hancock's interest in rubber seems to have sprung from a desire to make waterproof fabrics to protect the passengers on his coaches. By 1819 he had begun to experiment with making rubber solutions. In 1820 he patented fastenings for gloves,
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of Roman mythology. Hancock did not credit himself with discovering the reaction of sulphur with rubber; he instead said that in 1842 Brockendon had showed him some
American rubber samples which had been treated with sulphur.
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after being formed into blocks or sheets. A blue plaque commemoration is placed on No. 4 High Street in
Marlborough, Wiltshire in his honour (also one for his brother).
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and it is possible that Thomas
Hancock was trained in the same trade: in 1815 he is recorded as being in partnership with his brother, Walter, in London, as a
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in Paris. In 1857 Hancock published the story of his life's work as "The Origin and
Progress of the Caoutchouc or India-Rubber Industry in England".
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pioneered by the two inventors, with
Hancock Vulcanised Articles alone continuing to use the original Victorian Mill for all fabric production.
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drew inspiration from Thomas Hancock to create the character, Boa Hancock, who's in love with a man made of rubber in the Japanese
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Noble Obsession: Charles Goodyear, Thomas Hancock, and the Race to Unlock the Greatest Industrial Secret of the Nineteenth Century
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1837. It was only in 1837 that Hancock finally patented both his masticator and spreader (UK patent 7,344).
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industry. He invented the masticator, a machine that shredded rubber scraps and which allowed rubber to be
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analysed Goodyear's material, this would not have given him enough information to duplicate the process.
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Personal Narrative of the Origin and Progress of the Caoutchouc Or India-Rubber Manufacture in England
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Personal Narrative of the Origin and Progress of the Caoutchouc Or India-Rubber Manufacture in England
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in the US (30 January 1844). He mentioned in his "Personal Narrative" that his friend
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Hancock experimented with rubber solutions and in 1825 patented a process of making
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using rubber solution and a variety of fibres. His choice of solvents,
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452:. London: Longman, Brown, Green, Longmans, & Roberts. p. 107.
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206:(8 May 1786 – 26 March 1865), elder brother of inventor
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On 21 November 1843, Hancock took out a patent for the
425:. Oxford: Oxford University Press. pp. 22–24.
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495:. Vol. 24. London: Smith, Elder & Co.
342:invented the word vulcanisation from the god
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16:British manufacturing engineer (1786–1865)
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514:. Oxford: Oxford University Press. 2010
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421:James, Francis; Loadman, John (2010).
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184:Engineering career
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268:turpentine
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