TSO NTERNATIONAL STANDARD 2820 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION-MEKYHAPOIHA OPTAHM3ALIMA IO CTAHAAPTW3ALIMM·ORGANISATION INTERNATIONALE DE NORMALISATION Leather -- Raw hides of cattle and horses -- Method of trim Cuir-Peaux brutes debovidés etd'équides -Modedepresentation First edition - 1974-10-01 ISO 2820-1974 (E) UDC675.031.1/.5:675.021 Ref.No.1SO 2820-1974 (E) Descriptors:leather,hides,trimming,presentation. Pricebased on 2pages FOREWORD ISO (the International Organization for Standardization) is a worldwide federation of national standards institutes (ISO Member Bodies). The work of developing International Standards is carried out through ISO Technical Committees. Every Member Body interested in a subject for which a Technical Committee has been set up has the right to be represented on that Committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 2820 was drawn up by Technical Committee ISO/TC 120, Leather, and circulated to the Member Bodies in April 1972. It has been approved by the Member Bodies of the foltowing countries : Australia Iran Chile Ireland Thaitand Czechoslovakia Israel Turkey Egypt, Arab Rep. of Italy U.S.S.R. France New Zealand Hungary Poland India Romania The Member Bodies of the e following countries expressed disapproval of the document on technical grounds : United Kingdom U.S.A. @International Organization for Standardization, 1974 Printed in Switzerland ISO2820-1974 (E) INTERNATIONALSTANDARD Leather -- Raw hides of cattle and horses --- Method of trim SCOPE 4 METHOD OF TRIM This International Standard specifies the method of The trim of cattle or horse hides shali comply with the trimming the raw hides of cattle and horses, intended for following requirements : the tanning industry. 4.1 Cattle1) 2 FIELDOFAPPLICATION Hide presented without head (head cut straight behind the ears), shanks cut off at right-angles immediately above the This International Standard is applicable to alf cattle and knee (fore shanks) and the hock (hind shanks), tail cut off horse hides obtained after slaughtering and flaying. not more than 25 cm from the butt, without excess fat, flesh, or any other material unsuitable for making teather (see figure1)2) 3 DEFINITION 4.2 Horses For the purposes of this International Standard the following definition applies : Hide presented without muzzle, fore shanks cut off at right-angles immediately above the knee, hind shanks cut trim (of a hide) : The shape given to a hide with its ultimate off at right-angles between the hock and the hoof, tail open use in mind. and cut off not more than 25 cm from the butt (see figure 2). 1) This method of presentation represents the objective which is to be reached by international standardization. The various countries which use a different method of presentation should endeavour to reach this objective as soon as possibie 2) In order to establish with certainty the origin of a hide, it may be necessary to retain a part of the udder containing a teat on hides from cowS. 1