Abstract: The identification device for animals or articles is internally provided with an electronic identification circuit enabling automatic remote detection of the code of the identification device. The identification device comprises a member comprising the identification circuit and a member serving for attachment. The member comprising the identification circuit is made of hard material. The external shape of this member, starting from a base which in operation abuts against the article or the animal, narrows substantially taperingly and smoothly to an end which in operation is located remote from the article or animal, so that this member cannot be gripped by another animal between its teeth or be caught on obstacles or other objects.

Abstract: A throughflow type mastitis detector having an inlet stub and an outlet stub by means of which the mastitis detector can be coupled to a milk tube; a measuring chamber having side walls, a closed bottom, and an opening opposite said bottom in spaced relationship to said inlet stub, through which opening the milk to be monitored, supplied through the inlet stub, can flow into the measuring chamber, and through which the milk can again leave the measuring chamber when the level of the milk within the measuring chamber exceeds the height of the lowest side wall portion; and a pair of electrodes in the bottom of said measuring chamber for measuring the electrical conductivity of the milk, characterized in that at least one of the electrodes has a convex head projecting above the bottom surface and a shank extending through an opening in the bottom.

Abstract: An implanter for implanting an implant (3) in an animate being (14) includes a housing (15) on which the inner end of a hollow injection needle (2) is mounted, a plunger (6) mounted in the housing and adapted to extend into the hollow needle through the inner end of the needle, and a locking element (8, 32) for engaging with and retaining the plunger (6) against the force of compression spring (7) in a position where the plunger extends into the hollow needle for a predetermined distance. The locking element is part of a release device (9, 10; 30, 31, 33) which abuts the body (14) of the animate being when the injection needle has been introduced into the body to a predetermined depth to automatically unlock the locking element. The plunger is then forced by the spring (7) against an implant (3) disposed in operation in the injection needle for retaining the implant in the body when the injection needle is retracted from the body.

Abstract: A storage device for an implanting tool for implanting an implant into the body of an animal, the implanting tool having a handle (16) provided with a hollow needle (4) and being loadable by inserting the needle into an implant storage cavity (6) of a reservoir (2) for implants, including a holder portion (8, 9, 11) for holding the reservoir (2) and a fastening device (12, 13, 14) for fastening the storage device in an operative position, the fastening device and holder portion being so shaped, and so positioned relative to each other, that, in the operative position of the storage device, a cavity of a reservoir placed in the holder portion can hold the needle of an implanting tool.

Abstract: A method of identifying an animal from a distance by a miniature responder includes implanting a responder (1) in the form of an injectable capsule, subcutaneously and laterally of the front part of the head of the animal between an eye (3) and the sensitive (mostly bald) nose tip (4), at the side (5) of the upper jaw (6). An apparatus for feeding, baiting and/or watering animals having a miniature responder implanted therein according to this method includes a detection coil (12) disposed in close proximity to a feeding, baiting, or watering device (11) so as to be poorly accessible to the animal, the device having a shape and/or position for guiding the animal's nose in use to the device (11) in a natural manner so that the miniature responder is well-oriented and well-centered relative to the detection coil (12).

Abstract: An electromagnetic detection system comprises a transmitter-receiver apparatus coupled to at least one antenna element to form an electromagnetic interrogation field in an interrogation zone defined at least in part by physical means. A plurality of responders is capable of generating a detectable signal under the influence of an interrogation field. According to the invention, at least one antenna element is a suitably formed structural element forming part of the physical means.

Abstract: In a detection plate, an electronic circuit capable of being activated by a suitable interrogation field to generate a pre-determined signal is provided with pin-shaped attachment means arranged so that the unauthorized detachment of the attachment means results in the interruption of an electrical conductor forming part of said electronic circuit. In the embodiment the detection plate is an earmark for animals and the attachment means includes a pin integral with the plate. The pin has a point which can be pushed through an animal's ear and the device can then be fastened on the other side of the ear. The pin includes a conductive loop which extends into the point and is connected to the electronic circiut of the plate.

Abstract: A holder for an electronic detection element, which is adapted for attachment about the neck or other part of the body of an animal to be detected by a band. The holder is provided with a cavity for receiving the detection element and with at least one clamping member for adjustably clamping a band end.

Abstract: Attachment device by means of which a safety device can be attached to an article, comprising a hollow sleeve accommodating a screw member through operation of which the attachment device can be attached to an article to be protected, while said sleeve extends beyond the article-averted end of the screw member and being provided with a transverse bore hole provided in the corresponding end, said transverse bore hole being adapted to receive a lock shackle or the like which renders the screw member inaccessible to tools.

Abstract: A fastener of the kind in which a pin can be inserted into a closed housing between balls provided in a tapering space within the housing, which balls prevent the subsequent removal of the pin through the exercise of clamping action on the pin upon attempts to remove the pin from the housing, wherein the housing having a chamber housing a substantially freely rotatable body having a tapering cavity therein and a central aperture for the insertion of the pin therethrough, the cavity containing the balls, the balls having linear contact with the wall of said cavity.