The Boot and Shoe Manufacturers' Assistant and Guide.: Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.
History
The Boot and Shoe Manufacturers' Assistant and Guide.: Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.
Footwear industry; Gutta-percha; Rubber; Tanning
The sole and the upper are first placed together upon a last A, the
upper being made to overlap the outer surface of the in-sole, and
affixed thereto by cement. The whole being thus prepared, is next placed
within the clamping bed, B, and the parts of the latter closed; next the
platten of the press is to be depressed, so as to carry the punches.
_Claim._—The holding clamp, B, and last, A, as used together, and in
connection with the pressing or punching mechanism, or both, for the
purpose of fixing soles to shoes by cement, substantially as set forth.
_One hundred and third_, to Charles Rice and Sylvanus H. Whorf, Nov. 20,
1855. For improved machine for preparing leather for the manufacture of
boots and shoes.
_Claim._—The above described mechanism, or machine, for preparing
leather for the manufacture of boots and shoes, the whole being arranged
and made to operate, substantially in the manner, and for the purpose
set forth.
_One hundred and fourth_, to H. G. Tyer and John Helm, New Brunswick, N.
J., Jan. 2, 1855. For improvement in processes for making India-rubber
cloth.
This improvement consists in subjecting the cloth, which has been
previously coated with a layer of India-rubber, suddenly to a degree of
heat from 140° to 180° Fah. By this sudden application of heat while the
goods are still in a green, undried state, the camphene used in the
cement evaporating very rapidly, and leaves the gum punctured with
minute orifices, which are too small to allow the passage of globules of
water through them, but are large enough for the passage of air through
them.
_Claim._—The peculiar mode, so described, of preparing the uppers of
boots and shoes.
_One hundred and fifth_, to Charles Morey, citizen of the United States,
residing at Paris, France, Jan. 9, 1855. For improvement in re-working
hard rubber compounds.
The material is placed in an iron mould closed and subjected to a
powerful pressure. It is then placed between two red-hot iron plates,
and thus again introduced into the press. When the mould is sufficiently
hot, it is put into cold water until it has become cool. The soldering,
after the article is taken from the mould, is performed in the following
manner: The broken parts are scraped off; dust of hard vulcanized
India-rubber is introduced between the scraped parts; the whole is
submitted to a high degree of heat and pressure, whereby the broken
parts are united in a perfect manner.
_Claim 1st._—Forming or moulding scrapings, filings, dust, powder, or
sheets of hard vulcanized India-rubber, into a compact, solid mass, by
means of a high degree of heat and pressure, as above described.
_Second._—The application of dust powder, filings of hard vulcanized
India-rubber for soldering or uniting hard vulcanized India-rubber.
_One hundred and sixth_, to Henry G. Tyer and John Helm, Jan. 30, 1855.
For improvement in processes for making India-rubber cloth.
Public-domain text, read in full here on John Shaqi.
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