Cattle identification tag

Details Cattle identification tag Cattle identification tag

1984-08-14

1986-07-01

Wilson, John J.

Card, picture, or sign exhibiting

Check, label, or tag

Animal markers

G09F 300

Patent

active

045972087

ABSTRACT:
A cattle identification tag for attaching to the ear of an animal comprises a male part which passes through the ear and locks into an eyelet in a female part. The female part has a cap whose hardness is greater than that of the eyelet and has an annular open base which encircles the eyelet in the vicinity of and to the rear of a conical bearing surface of the eyelet which receives and locks a re-entrant conical shoulder of a head on the stem of the male part. The angle of taper of the conical shoulder and conical surface is approximately 45.degree.. The stem has a narrowed region which becomes thinner and elongated in case of an authorized attempt to remove the male part.

REFERENCES:
patent: 3947930 (1976-04-01), Martens et al.
patent: 4318234 (1982-03-01), Charles et al.

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