Leather manufactures – Machines – Fluid-treating apparatus
Patent
1979-09-11
1981-07-28
Lawson, Patrick D.
Leather manufactures
Machines
Fluid-treating apparatus
69 42, C14C 100, C14B 106
Patent
active
042803454
ABSTRACT:
This invention relates to primary processing of animal hides and more particularly to methods for cleansing cattle hides and to apparatus for carrying out same. According to the proposed method, washing, soaking and removal of dung from the surface of the hides are carried out simultaneously and continuously under copious irrigation of the moving hides with water and the hides are then clamped in position essentially along the axis of movement, while the removal of dung is effected by carding their hair covering and subsequent removal of surface moisture. An apparatus for carrying out said method comprises a tank for washing hides, a pair of belt conveyers arranged parallel to each other, and a pair of chain conveyers for grasping a hide and clamping it along its axis with its hair covering downwards during travel, and shafts with carding teeth are situated on either side of said chain conveyers, set at an angle sufficient for the maximum coverage of the surface of the hide being processed, said teeth being also set at an acute angle to the tangent to the surface of the shaft in a direction opposite to its rotation. The apparatus comprises also a pair of rolls with ribs arranged along the generatrix on the surface of said rolls and coming in contact with the hide for the wringing of surface moisture therefrom. This design provides for higher productivity and better quality of the hides being processed.
REFERENCES:
patent: 3319442 (1967-05-01), Burch
patent: 3412584 (1968-11-01), Palmer
patent: 3552157 (1971-01-01), Repetto
Gimelfarb Natan M.
Lugovnev Fedor T.
Misjura Nikolai E.
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