Hides Skins And the Manufacture of Leather a Laymans View of the Industry
Hides Skins And the Manufacture of Leather a Laymans View of the Industry
James Paul Warburg
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Some of the heavier grades of calf skins are "cheeked" before the second fleshing. This is a machine operation by which the thickest portion of the skin is levelled, and is performed so that all the leather may be of as even a thickness as possible. After the second fleshing, the skins are worked by hand over the beam to remove any short hairs or unevenness. When this is done, it is the custom in many tanneries to weigh and number the skins, which look at this stage very much like thin sheets o...f wet rubber. Just as in the tanning of hides for heavy leather, it is necessary at this point to work out the remaining lime from the skins, but in addi- tion, it is essential to render the material soft and supple. For this purpose the skins are now subjected to intense bacterial action, by placing them in a solution of animal dung. Where calf skins are to Soaking Liming Unhairing and Fleshing "Bating" be finished into bag-leather, hen or pigeon dung is used, but where great pliability is desired, as for boot upper leather, a stronger agent such as dog manure is usually employed.
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