| 摘要 |
A theft-deterrent tack for application to an article to be protected against theft comprises a first component including a first housing having an open end and ceiling and wall structure bounding an interior space extending to the open end, the ceiling and wall structure being continuous, a second housing secured to the first housing and closing the interior space except for at least one opening extending therethrough into the interior space, the second housing having a generally flat surface facing the interior space and vial-confining members extending upwardly thereof into the interior space, at least one frangible vial disposed in the interior space and positioned in preselected position by the vial-confining members, the vial being disposed on the generally flat surface of the second housing, and vial-fracturing means disposed in the interior space and supported for movement therein in interference path with the vial, and a second component including securement means for securing the first component to the article.
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