Card – picture – or sign exhibiting – Check – label – or tag – Animal markers
Patent
1993-01-22
1994-10-25
Pellegrino, Stephen C.
Card, picture, or sign exhibiting
Check, label, or tag
Animal markers
40300, 606117, A01K 1100
Patent
active
053577000
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention concerns an identification device arranged to be fastened on an animal, e.g. a pig, and comprising a carrier made of a relatively soft material and a capsule carried by the carrier and made of a relatively hard material, the capsule having an inner cavity formed to contain signal means arranged to cooperate wirelessly with a sensing equipment situated at a distance from the animal.
2. Description of the Prior Art
A previously known identification device of this kind, shown in FIG. 6 of EP-A1 0219 186, comprises a two-piece hard capsule, in which signal means can be placed, and a soft carrier arranged to enclose the capsule. The shown carrier is formed such that two parts of it are to be connected with each other after the signal means has been placed within the capsule and the capsule has been placed in a particular space that is formed between the carrier parts when put together.
The previously known identification device has a construction that is disadvantageous in severals respects. Thus, the carrier has a relatively complicated shape due to the fact that two parts thereof are later to be connected with each other. Further, so that the carrier shall be able to resist safely those forces to which it may be subjected when fastened on an animal, e.g. forces caused by biting of other animals, it is necessary that the connection of the different carrier parts be performed in a qualified manner. Both of these circumstances make the previously known identification device expensive to manufacture. If, as is proposed in EP-A1 0219 186, the two carrier parts are heat sealed together, it will then be impossible in practice to exchange the encased signal means if required.
One object of the present invention is to provide a construction for an identification device of the initially defined kind, which enables a very cheap production of such identification devices and which makes the identification devices very resistant to the forces to which they may be subjected when used.
Another object of the invention is that a construction improved in this manner should enable a substantially complete finishing of the capsule as well as the carrier before the signal means is placed in the capsule, the finalizing production moment, i.e. arrangement of the signal means in the capsule, being performable in a simple and cheap manner and the final product, in spite of this, being able to resist the forces to which it may be subjected when used.
A further object of the invention is that an improved construction of the identification device should enable exchange of the signal means relatively easily if required.
SUMMARY OF THE INVENTION
For the fulfilling of these objects it is proposed according to the invention that an identification device of the initially defined kind is formed such that the soft carrier material is molded around the capsule and the capsule is formed in one piece around said cavity and has an opening for the introduction of said signal means in the cavity.
Hereby, the capsule may be given the largest possible strength, and its opening for the introduction of the signal means may easily be closed when the signal means is in place. Further, the carrier may be molded, e.g. injection molded, around the capsule while said opening of the capsule is kept free from carrier material by means of a pin or other suitable filling member, which when removed leaves an opening also in the carrier, aligned with the opening in the capsule.
Only the opening in the carrier need be closed later on, which can be performed in an easy way by means of a plug which possibly may be melted together with the carrier material around the opening.
In a preferred embodiment of the invention the capsule is elongated, the insertion opening for the signal means being situated at one of the ends of the capsule. The carrier material, preferably a plastic, preferably forms a thin layer around substantially the whole of the capsule.
An identification device according to
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Alfa-Laval Agriculture International AB
Dawson Glenn
Pellegrino Stephen C.
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