Abstract: The present invention relates to a process for peeling off the protective tissue of musculomembranous organs.This process successively consists in:making the said organs to change into a solid state by freezing:and abrading the protective tissue of those frozen organs.The process of the invention is especially applied to peel off the inner membrane of the oesophagus of slaughter-house animals.

Abstract: A machine for boning feet comprises on a frame, fixed immobilization means and a movable extraction member constituted by at least one set of jaws. In order to bone the feet of hoofed animals, said immobilization means are constituted by at least one set of jaws designed to hold the foot to be boned, the movable means gripping at least the skin of the foot.

Abstract: The invention relates to an improvement in the method of processing bovine feet in which the feet are washed, scalded, dehoofed and depilated. After having dehoofed the feet and having removed the spurs therefrom, the boning operation or scraping operation is carried out, following which the flesh portion or the skins obtained separate from the bone portions are scalded and depilated. The invention also provides an installation for operating this method which can be automatized.

Abstract: The present invention relates to a skinning machine for the head and limbs of slaughtered ungulate animals. Such a machine is constituted by a frame on which are mounted: on the one hand, two horizontally parallel rollers pivoting in bearings associated with said frame. Said rollers are preferably grooves and one at least of them is a drive roller. They are sufficiently separated peripherally to introduce a previously cut flap of skin and are driven in opposite directions of rotation. They thereby exert a peripheral friction on said skin, in order to bare the processed animal part. The machine comprises on the other hand, an articulated work table ensuring the support and holding of the animal part being processed.

Abstract: A machine for removing the hair from animal hides, comprises an upwardly open vat and a horizontal perforated plate arranged in the lower part of the vat and rotationally driven on a central pivot by suitable means. The plate is provided on its surface in contact with the material to be treated with sharp edges formed on the contour of said perforations, and bounded peripherally by a fixed perforated cylinder, defining with the inner wall of the vat a coronary space ensuring the removal of the hair stripped off and projected by centrifugal force into the openings of said cylinder.