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Ruminal bolus for electronic identification of a ruminant

  • US 6,474,263 B2
  • Filed: 01/11/2001
  • Issued: 11/05/2002
  • Est. Priority Date: 07/09/1996
  • Status: Expired due to Fees
First Claim
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1. A bolus for electronically identifying a ruminant, the bolus being designed to be received in the reticulum of the ruminant and comprising a body itself having a housing designed to contain a data interchange device,wherein the body is made of a material comprising alumina in the composition thereof, alumina representing the major portion by weight of the material, wherein the housing for the electronic data interchange device is accessible from one end or from two opposite ends of the body, and is a through hole on the main axis of the body, and wherein said hole is closed at both ends by a self-locking rivet constituted by two separate elements each having a shank portion with a head at one end thereof, the two respective shanks being organized in such a manner as to engage mutually via their free ends and lock one in the other, thereby clamping between them the data interchange device.

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