Specification of Thomas Hancock and Reuben Phillips: Treating Gutta Percha and India-rubber

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G.E. Eyre, 1856 - 5 pages
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Page 1 - ... executors, administrators, or assigns, should at any time agree with, and no others, from time to time, and at all times thereafter during the term of years therein expressed, should and lawfully might make, use, exercise, and vend his said invention within that part of the United Kingdom of Great Britain and Ireland...
Page 2 - Court of Chancery within six calendar months next and immediately after the date of the said Letters Patent, as in and by the same, reference being thereunto had, will more fully appear. NOW KNOW YE, that...
Page 2 - Palmer, do hereby declare, that the nature of my said invention, and the manner in which the same is to be performed, is particularly described and ascertained in and by the...
Page 1 - ... said Invention, and in what manner the same is to be performed, and to cause the same to be inrolled in His Majesty's High Court of Chancery within six calendar months next and immediately after the date of the said recited Letters Patent, as in and by the same...
Page 1 - We did, by certain letters patent under the Great Seal of Our United Kingdom of Great Britain and Ireland, bearing date at Westminster the...
Page 5 - Lord the King in His Chancery, and acknowledged the Specification aforesaid, and all and every thing therein contained and specified, in form above written.
Page 4 - ... solutions may be diluted, if desired, with oil of turpentine or coal naphtha ; they then become a good and elastic medium for mixing and combining colours. Instead of operating upon the cuttings or waste of vulcanised or converted caoutchouc, we sometimes take a solution of unvulcanised or unconverted caoutchouc, and mix sulphur with it in the proportion of from 8 to 12 parts of sulphur to 100 parts of dry caoutchouc, and then submit the mixture to a temperature of about 300, or from that to...
Page 2 - OUR improvements consist in dissolving gutta percha or any of the varieties of caoutchouc, or reducing them to a soft, pulpy, or gelatinous state, after they have undergone the process of " vulcanisation " or " conversion ; " and also in heating unvulcanised solutions, or preparations of these substances, so as to bring them to a vulcanised state. Also in improvements in moulds employed in the manufacture of articles from these substances. The terms
Page 1 - I the said (patentee's name and residence) send greeting. Whereas her most excellent Majesty Queen Victoria, by her letters patent under the great seal of Great Britain, bearing date at Westminster, the day of , in the year of her reign, did give and grant unto me, the said А. В., my executors, administrators, and assigns, her special licence, full power, sole privilege, and authority, that I the said А.
Page 5 - Our improvements in the moulds employed in the manufacture of articles 5 from these vulcanized solutions consist in making such moulds of materials capable of being dissolved or melted at temperatures so low as not to be injurious to the manufacture, such as the fusible metal known as Darcey's alloy, which melts in boiling water, or compounds of gum, glue, &c., the object in employing these moulds being to facilitate their removal after the...

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