Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Depilating
Patent
1984-10-17
1987-06-02
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Depilating
C14C 106
Patent
active
046700161
ABSTRACT:
The invention is concerned with a method and a unit for treatment of skins with a view to separating the wool from them. This method consists in combining the following operations: (a) steeping the skins in a waterbath in vertical or sloping stacks (M); (b) carrying out a picking 8 upon the hair side of the skins; (c) carrying out a fleshing 10 upon the flesh side of the skins; (d) impregnating the flesh side of the skins by means of an aqueous solution of sulphide (11); (e) arranging the skins separately from one another in an atmosphere saturated with moisture at a temperature lying between 20.degree. and 25.degree. for a period of time lying between 2 and 5 hours (12); (f) carrying out a wool-stripping operation (31) for separating the wool from the skins; and (g) immediately rinsing the wool so separated (34-37).
REFERENCES:
patent: 48578 (1865-07-01), Miller et al.
patent: 519345 (1894-05-01), Puech
patent: 2346907 (1944-04-01), Christopher
patent: 3582254 (1971-06-01), Lindemann
Amalric Jean
Esteve Gerard
Clingman A. Lionel
Dutton, Jr. Harold H.
LA MOLE Industries, S.A.
McNally John F.
S.A. des ETS Marceau AMALRIC
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