US1996039A - Method for working ready dressed and tanned pelts - Google Patents
Method for working ready dressed and tanned pelts Download PDFInfo
- Publication number
- US1996039A US1996039A US726574A US72657434A US1996039A US 1996039 A US1996039 A US 1996039A US 726574 A US726574 A US 726574A US 72657434 A US72657434 A US 72657434A US 1996039 A US1996039 A US 1996039A
- Authority
- US
- United States
- Prior art keywords
- dressed
- pelts
- hairs
- glue
- skin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- C14C11/00—Surface finishing of leather
Definitions
- This invention relates to a method, according to which ready dressed and tanned pelts can be worked to form a novel product which is suitable for making articles of clothing, for example 5 coats, but particularly also articles of use such as
- the hair side of the pelt is painted with adhesive solutions, wherefrom the hairs are brushed against'the skin with a brush, roller or the like.
- Different patterns'of a pelt are produced according to the manner in which the hairs bear against theskin.
- a second solution is then formed by boiling 4 parts of ferrous sulphate in 100 parts of water, which solution is cooled to 50 C. and rapidly distributed under pressure over the soap coating, likewise on the hair side of the skin in the direction of the. hairs, so-that a sticky, tough layer of iron resin soap is formed over the hair and is allowed to dry with the skin in flat condition.
- the skin may if desired be lacquered on the day following the drying with a black cellulose lacquer by means of a brush and allowed to dry, this requiring a few' hours, according to the kind of lacquer employed, whereupon the skin is coated with a colorless cellulose lacquer.
- the method is simpler and cheaper with layers of kinds of glue or glue substances, such as gelatine or isinglass dissolved by swelling in water andrendered waterproof and resistant after drying by admixtures of bichromates. These layers stick down the hairs.
- I claim:- I 1. A method for the treatment of ready dressed and tanned pelts, consisting in painting glue solution on the hairs grown on the pelts and in brushing the hairs against the skin of the pelts;
Landscapes
- 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)
- Coloring (AREA)
Description
Patented Mar. 26, 1935v UNITED, STATES METHOD FOR WORKING READY DRESSED I AND TANNED PELTS 'Philipp Burger,
Berlin, Germany NoDr awing. Application May 19, 1934, Serial 1N0.'726,574. In Germany May 20, 1933 3 Claims.
This invention relates to a method, according to which ready dressed and tanned pelts can be worked to form a novel product which is suitable for making articles of clothing, for example 5 coats, but particularly also articles of use such as According to theinvention the hair side of the pelt is painted with adhesive solutions, wherefrom the hairs are brushed against'the skin with a brush, roller or the like. Different patterns'of a pelt are produced according to the manner in which the hairs bear against theskin. By this treatment the skin itself is strengthened'and the hairs, which perhaps from nature do not even hold tightly, are secured in such a manner that a very durable product is produced, seeing that the hairs united with the skin also considerably strengthen the skin; The appearancev of this product can be varied by the treatment, also as regards its gloss, color and the like.
The application of the adhesive solutions is effected, for example, in the following manner:
Pour 10 parts by weight of very finely pulverized French colophony into 100 parts of'water and also 2 parts of caustic soda; boil the mixture until the substances are dissolved and then allow the solution to cool to 50 C. This resin soap is ap-v plied onto the hair side of the skin in the direc-.
tion in which the hairs have grown and well distributed thereon. A second solution is then formed by boiling 4 parts of ferrous sulphate in 100 parts of water, which solution is cooled to 50 C. and rapidly distributed under pressure over the soap coating, likewise on the hair side of the skin in the direction of the. hairs, so-that a sticky, tough layer of iron resin soap is formed over the hair and is allowed to dry with the skin in flat condition. The skin may if desired be lacquered on the day following the drying with a black cellulose lacquer by means of a brush and allowed to dry, this requiring a few' hours, according to the kind of lacquer employed, whereupon the skin is coated with a colorless cellulose lacquer.
The method is simpler and cheaper with layers of kinds of glue or glue substances, such as gelatine or isinglass dissolved by swelling in water andrendered waterproof and resistant after drying by admixtures of bichromates. These layers stick down the hairs. 1
Erample.10 grs. of pearl glue are swelled 1 over night in 50 cub. cms. of water to which 5 5 cub. cms. of chemically pure lactic acid have been added, then stirred and allowed to stand four days in the light, whereupon the glue is dissolved by stirring. The solution has aclear; I acid reaction on litmus. l0grs. of powdered sugar, 10 10 cub. cms. industrial glycerine, 5 grs. crystallized logwood extract and 5 cub. cms. of industrially pure castor oil are separately poured into 50 cub. cms. of water and shaken, whereupon the mixture isboiled well for ten minutes in a water bath to dissolve the logwood extract, and thereupon 1 gr. of chrome leather blackdye-isdissolved therein by again boiling'for five minutes. Shake the solution, allow to cool to 30 C. and gradually add it to the first glue solution stirring the whole, so that the mixture now contains the dyes and the organic substances, in order to subsequently reduce the tanning bichromate or the chromic acid. The glue sticks downthe hairs in wet condition, but is water fast after drying The addition of castor oil makes the leather of. the felt softer because the glue layer alone hardens too much5 grs. of ammonium bichromate are now dissolved in 50 cub. cms. water by shake ing or heating, whereupon the solution is allowed to cool to 30 C. and carefully added in doses to the above mentioned glue solution, stirring the I while.
It is advisable to sew together the ready dressed ,f and tanned pelts to form long and large webs be-. 35 fore the treatment according to the invention is applied so that continuous large surfaces of the new productresult the seams of which are rendered almost invisible by the hairs stuckthereover. This treatment is particularly advanta-' geous for improving inferior quality pelts.
I claim:- I 1. A method for the treatment of ready dressed and tanned pelts, consisting in painting glue solution on the hairs grown on the pelts and in brushing the hairs against the skin of the pelts;
, 2. A method as specified in claim 1, in which tannic substances are added to the glue solutions.
3'. A method as specifiedin claim 1, in which fixing substances are added to the glue solutions. 50;.
' PHILIP? BURGER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE773426X | 1933-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1996039A true US1996039A (en) | 1935-03-26 |
Family
ID=32831889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US726574A Expired - Lifetime US1996039A (en) | 1933-05-20 | 1934-05-19 | Method for working ready dressed and tanned pelts |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1996039A (en) |
| FR (1) | FR773426A (en) |
-
1934
- 1934-05-18 FR FR773426D patent/FR773426A/en not_active Expired
- 1934-05-19 US US726574A patent/US1996039A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR773426A (en) | 1934-11-17 |
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