US857153A - Process for hardening leather. - Google Patents

Process for hardening leather. Download PDF

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Publication number
US857153A
US857153A US34960006A US1906349600A US857153A US 857153 A US857153 A US 857153A US 34960006 A US34960006 A US 34960006A US 1906349600 A US1906349600 A US 1906349600A US 857153 A US857153 A US 857153A
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Prior art keywords
leather
hardening
hours
dry
england
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US34960006A
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Daniel Bryan
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes

Definitions

  • This invention has reference .to a process for hardening leather.
  • the leather has, usually, become limp and soft.
  • the leather is then taken out of the water and permitted to dry slowly and quite naturally (that is without any artificial heat that would soften the fatty properties of the leather) in the open air, or in any dry place for about 24 hours when it becomes dry and spongy.
  • the leather is then hammered until it is reduced to the thickness and strength required, and afterward allowed to lie in a dry place for a few days to set, after which it is ready for use and will neither expand or contract in the wear.
  • the leather is for use principally for the soles and heels of boots and shoes of all kinds, but also for anyother pur ose where such hardened leather is especialy useful. It is especially useful for any outdoor employment, or, for fishing, shooting, golfing, or any purpose Where dampness has to be encountered by the feet.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

DANIEL BRYAN, or WALTON, LIVERPOOL, ENGLAND.
PROCESS FOR HARDENING LEATHER.
Specification of Letters Patent.
Patented June 18, 190'7.
Application filed December 2'7, 1906. Serial No- 349,600-
To a whom it may concern:
Be it known that I, DANIEL BRYAN, a subject of the King of England, and a resident of 49 Langham street, Walton, Liverpool, in the county of Lancaster, England, china merchant, bookseller, and general dealer, have invented a certain new and useful Process for Hardening Leather, of which the following is a specification.
This invention has reference .to a process for hardening leather.
According to my invention, I first place the leather in cold water and keep it in the same cold water for about 24 hours, by
which time the leatherhas, usually, become limp and soft. The leather is then taken out of the water and permitted to dry slowly and quite naturally (that is without any artificial heat that would soften the fatty properties of the leather) in the open air, or in any dry place for about 24 hours when it becomes dry and spongy. The leather is then hammered until it is reduced to the thickness and strength required, and afterward allowed to lie in a dry place for a few days to set, after which it is ready for use and will neither expand or contract in the wear.
The leather is for use principally for the soles and heels of boots and shoes of all kinds, but also for anyother pur ose where such hardened leather is especialy useful. It is especially useful for any outdoor employment, or, for fishing, shooting, golfing, or any purpose Where dampness has to be encountered by the feet.
Having now described my invention, what I claim as new, and desire to secure by Letters Patent is A process for hardening leather in'Qwhich the leather is steeped in cold Water for a period of about twenty four hours; then slowly air dried for a period of about twenty four hours; then hammered; and then allowed to lie in a dry place to set.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
DANIEL BRYAN Witnesses:
JOHN H. WALKER, JOHN STEvENs.
US34960006A 1906-12-27 1906-12-27 Process for hardening leather. Expired - Lifetime US857153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US34960006A US857153A (en) 1906-12-27 1906-12-27 Process for hardening leather.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34960006A US857153A (en) 1906-12-27 1906-12-27 Process for hardening leather.

Publications (1)

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US857153A true US857153A (en) 1907-06-18

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Family Applications (1)

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US34960006A Expired - Lifetime US857153A (en) 1906-12-27 1906-12-27 Process for hardening leather.

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