US Patent: 3,633
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| Improvement in India-rubber fabrics
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Patentee:
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| Charles Goodyear (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 15, 1844 |
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Jeff Joslin
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Description: |
| This patent covers what became known as 'vulcanizing' rubber. It was anticipated by Englishman Thomas Hancock had applied for a very similar patent in Britain, just eight week earlier than Goodyear. When Goodyear died in 1860 he was nearly destitute because his profits had been consumed by litigation over patent priority. The practical rubber tire was created in 1888 by John Boyd Dunlop of Scotland, who created a linen-and-rubber pneumatic tire for bicycles. In 1898 the Goodyear Rubber Co. was established to manufacture rubber tires, the company being named in honor of Charles Goodyear."My principal improvement consists in the combining of sulphur and white lead with the india-rubber, and in the submitting of the compound thus formed to the action of heat at a regulated temperature, by which combination and exposure to heat it will be so far altered in its qualities as not to become softened by thee action of the solar ray or of artificial heat at a temperature below that to which it was submitted—say to a heat of 270 degrees of Fahrenheit's scale—nor will it be injuriously affected by exposure to cold. It will also resist the action of expressed oils, and the likewise of spirits of turpentine, or of the other essential oils at comment temperatures..." |
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