US631335A - Bating process. - Google Patents

Bating process. Download PDF

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Publication number
US631335A
US631335A US68298698A US1898682986A US631335A US 631335 A US631335 A US 631335A US 68298698 A US68298698 A US 68298698A US 1898682986 A US1898682986 A US 1898682986A US 631335 A US631335 A US 631335A
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Prior art keywords
hides
bating
solution
liquor
bating process
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US68298698A
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Henry Schlegel
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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
    • C14C1/00—Chemical treatment prior to tanning
    • C14C1/08—Deliming; Bating; Pickling; Degreasing

Definitions

  • My invention relates to the treatment of hides, and has particular reference to the step known as hating, which has for its object the removal of the lime from the hides after they have been unhaired and preparatory to the application of the tanning liquor. Varifor this purpose; but bating has always been and still is a step requiring considerable care and skill.
  • the object of my invention is to secure a simple bate which will be of an easy application and efficient in action.
  • my invention consists in hating the hides with a solution of a chromium com pound.
  • the chromium compound will mix with the lime and by its action thereon will cause the lime to be more readily washed out, it being understood that the hides are washed or cleaned at the termination of the bating process, as usual, and then the hides are put in thetanning liquor.
  • the gist of my invention lies in the employment of a chromium compound as a base.
  • the chromium-compound solution therefore will form the base or main ingredient of the bate; but it is not essential that the hate should consist exclusively of such a solution.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Description

ous acids and other agents have been used UNITED STATES PATENT OFFIC HENRY SOI-ILEGEL, OF LAPEER, MICHIGAN.
BATING PROCESS.
SPECIFICATION forming part of Letters Patent No. 631,335, dated August 22, 1899.
' Application filed June 9, 1898. Serial No. 682,986- (No specimens.)
To all whom it may concern:
Be it known that I, HENRY SOHLEGEL, of Lapeer, in the county of Lapeer, State of Michigan, have inventeda new and Improved Bating Process, of which the following is a full, clear, and exact description.
My invention relates to the treatment of hides, and has particular reference to the step known as hating, which has for its object the removal of the lime from the hides after they have been unhaired and preparatory to the application of the tanning liquor. Varifor this purpose; but bating has always been and still is a step requiring considerable care and skill. I
The object of my invention is to secure a simple bate which will be of an easy application and efficient in action.
To this end my invention consists in hating the hides with a solution of a chromium com pound.
I prefer to proceed as follows: I prepare a saturated solution of two ounces of bichromate of potash in water and pour the solution into a vat containing one thousand gallons of Water and stir the liquor thoroughly. The amount named is sufficient for the treatment of from twenty to forty hides. The liquor having been stirred as described,the unhaired hides are thrown into it and left therein for about twenty-four hours, being moved about occasionally, so as to secure a uniform action of the bate. The chromium compound will mix with the lime and by its action thereon will cause the lime to be more readily washed out, it being understood that the hides are washed or cleaned at the termination of the bating process, as usual, and then the hides are put in thetanning liquor.
I desire it to be understood that the gist of my invention lies in the employment of a chromium compound as a base. The chromium-compound solution therefore will form the base or main ingredient of the bate; but it is not essential that the hate should consist exclusively of such a solution.
Having thus fully described my invention, I claim as new and desire to secure by Letters Patent '1. The process of hating hides, which consists in treating them with a liquor consisting essentially of a solution of a chromium compound.
2. The process of bating hides, which consists in treating them with a liquor consisting essentially of a solution of bichromate of potash.
HENRY SOHLEGEL.
Witnesses:
J. H. BIDWELL, H. VAN DE BOGART.
US68298698A 1898-06-09 1898-06-09 Bating process. Expired - Lifetime US631335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US68298698A US631335A (en) 1898-06-09 1898-06-09 Bating process.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68298698A US631335A (en) 1898-06-09 1898-06-09 Bating process.

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