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 inventor says, I am aware that India-rubber, after being cut out,
and shaped like a sole, has been united to the in-sole and upper, by
means of an intermediating cement, caused to penetrate holes made in the
in-sole and upper, but I do not claim this, nor do I claim uniting
gutta-percha and leather for any other purpose than that of
manufacturing boots and shoes as before described. But I claim
manufacturing, or making boots and shoes, with the outer sole made
entirely of gutta-percha, when the said outer soles are simultaneously
formed and united to the upper and in-sole, by means of heat and
pressure in a mould substantially as described and set forth.
_Ninety-fifth_, to S. T. Parmelee, New Brunswick, N. J., July 17, 1855.
For improvement in attaching metallic heels to India-rubber soles.
The India-rubber is vulcanized after having been filled within the
metallic casing. It could not be done after the vulcanizing, as
vulcanized rubber cannot be rendered sufficiently soft. The inventor
claims having the metallic rings or casings formed with recesses
arranged in any proper way, so that the soft or elastic India-rubber
mixed with the proper vulcanizing materials, may be fitted therein, and
the rubber and rings or casings be permanently locked together, by
subjecting the rubber to steam heat, and vulcanizing it when fitted
within the rims or casings for the purpose as set forth.
_Ninety-sixth_, to John Arthur, and Evan Arthur, New Brunswick, N. J.,
July 24, 1855. For improvement in Machine for cutting boot and shoe
uppers, soles, &c., from sheets of India-rubber.
After describing the machine the patentees set forth the following as
their
_Claim._—1st. The cutting or separation of India-rubber by placing it on
a wet cloth, or other suitable moistened surface, and submitting it to
the pressure of a heated die, having an edge of the form of the article
to be cut, substantially as set forth.
2d. The combination of one or more reciprocating die-frames, each
carrying a set of dies with a stove, and with carrying and pressing
apparatus, to carry the sheet or piece of rubber, so that the dies by
their reciprocating movement, may be carried into the stove to be
heated, and then return to cut or stamp out the pattern or article from
the piece as set forth.
3d. The method of raising the die-frames to carry the dies on their
return movement towards the stove. Providing pins for the ends of the
die-frames to strike against, to throw up the opposite ends carrying the
dies.
4th. The swinging frame with its fingers, arranged and operating to
conduct the points or ends of the patterns, as soon as they are cut or
separated between the roller upon which the cutting is performed, and
another roller by which they are at once prevented curling it, and are
conveyed along towards where they are delivered from the machines.
_Ninety-seventh_, to Edwin B. Larchar, Baltimore, Md., July 24, 1855.
For improvement in making gutta-percha boats.
Public-domain text, read in full here on John Shaqi.
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