Process and an apparatus for processing animal hides

Details Process and an apparatus for processing animal hides Process and an apparatus for processing animal hides

2005-06-28

2005-06-28

Welch, Gary L. (Department: 3765)

Leather manufactures

Machines

Fur treatment

C069S029000, C069S031000, C069S022000

Reexamination Certificate

active

06910354

ABSTRACT:
A process for treating animal hides includes spreading the hides (1) to be treated astride respective supporting plates (2) and introducing the plates into a container (10). Afterwards, the container (10) is closed hermetically and set under vacuum. A liquid solution is introduced into the container (10), to treat the hides, in particular to transform fresh animal hides into wet white state. The container (10) is driven into vibration, to make the solution contained in the container (10) move in a continuous and uniform way.

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patent: 5291759 (1994-03-01), Dokoupil
patent: 6251414 (2001-06-01), Lauton et al.
patent: WO 97/42350 (1997-11-01), None
Gregor, T., Muller, L., and Rodel, K., Removing hair from animal skin and hide—by pretreatment in soln. of sodium hydroxide and hydrogen peroxide followed by white lime hair removal, Nov. 21, 1990, Tech Univ Marx K (Abstract).

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