Card – picture – or sign exhibiting – Check – label – or tag – Animal markers
Patent
1982-03-12
1984-09-11
Mancene, Gene
Card, picture, or sign exhibiting
Check, label, or tag
Animal markers
40300, 40302, G09F 300
Patent
active
044702124
ABSTRACT:
A tag, particularly an ear tag for marking animals such as cattle which have passed an official test, comprises a strip formed into two limbs and a hollow rivet, preferably of brass, perpendicular to one of the limbs, the rivet comprising a stock portion which may be frusto-conical or cylindrical surmounted by a narrower neck portion of reduced wall thickness surmounted by an enlarged head portion preferably in the form of a cylindrical punch having a sharp cutting edge. The wall thickness is at a minimum adjacent a shoulder which forms the transition from the stock portion to the neck portion. There is a receiver hole in the other limb of the strip to receive the rivet head. As the tag is being closed, the head punches a hole in the animal's flesh, and passes through the receiver hole after which the head is splayed outwardly. A spring clip may be secured over the receiver hole or the metal of the strip around the receiver hole may be hardened e.g. by stamping. If an attempt is made to force the limbs apart, the rivet tends to break at the point of minimum wall thickness in the neck portion. The rivet may be formed from the material of the strip. A special insert for a tagging tool is also described, this insert having a conical boss set in the center of a recess into which the head of the rivet is forced. The tag is easy to apply by manual pressure, liable to break if an attempt is made to force it open and easy to check visually for evidence of tampering.
REFERENCES:
patent: 1347868 (1920-07-01), Nichols
patent: 1385530 (1921-07-01), Elzi
patent: 1493076 (1924-05-01), Hughes
patent: 1831569 (1931-11-01), Ker
patent: 2230585 (1941-02-01), Canter
patent: 2940199 (1960-06-01), Goldberg
Kilroy Michael M.
Stafford Rodney A.
Mancene Gene
Stone Cary E.
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