Showing posts with label glossary of technical terms. Show all posts
Showing posts with label glossary of technical terms. Show all posts

February 5, 2016

New Zealand farming. Hides and skins – Glossary of terms

 
Dr Clive Dalton

Wool, Hides and Skins 

Cockle: Defect in a lamb or sheep pelt  seen as nodules that have developed over the pelt surface.  Can be prevented by appropriate dipping.

Dressing skin:  Woolly lamb skin, which is suitable for processing into leather after all wool has been removed.

Fellmongery: Factory or department in abattoir or freezing works where wool is removed from lamb and sheep skins.

Grain: Surface layer of a pelt, hide or leather containing and showing wool or hair follicles.

Green skin: Undried skin from a farm or slaughter facility, which does not have long-term keeping quality.

Hide:  Skin from a mature cattle beast or calf.  Also used in deer.

Liming: Alkali chemical treatment of a hide or pelt to make it softer and pliable

Paint:  Chemical mixture to penetrate the skin to loosen wool. 

Painting: Applying paint by spray or other means to the flesh side of  a sheep skin to remove the wool.

Pelt: A lamb or sheepskin after wool has been removed.

Pickled pelt:  Lamb or sheep pelt preserved for export with brine and sulphuric acid.

Pinhole:  Defect in a lamb or sheep pelt seen as small holes in the pelt grain caused by wool fibres growing in groups, and most prevalent in fine wool breeds.

Rawhide:  See green skin.

Ribby pelts:  Pelts of wrinkly sheep breeds such as Merinos, which greatly restricts their value.

Skin: Derived from sheep, goat, deer, opossum or rabbit (not cattle).

Slink: Skin from young dead lamb or fawn in utero or just newborn.


Skins from these dead lambs (slinks) will be processed for high quality gloves.

Slipemaster:  Machine used to recover wool from pelt trimmings in a Fellmongery.

Slipe wool: Wool recovered by a wool puller, after chemically loosened with sodium, sulphide and hydrated lime mixture.

Sweating:  Method of dewoolling skins which depends on induced bacterial degradation to loosen the wool. Used mainly in France.

Wet blue: Hide or skin tanned with chromium salts and kept in a wet state, which also make it a blue-green colour.

Wool pull: The estimated weight of wool able to be removed from a skin.

Wool puller:  Person or machine who removes the wool from a lamb or sheep skin after it has been chemically loosened.