Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-02-01
1997-04-29
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 93, 156269, 340571, B32B 3100
Patent
active
056245149
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
a) Field of the Invention
The invention is directed to a process for textile production of a support which is outfitted with an alarm trigger of an anti-theft security system. The essential component parts of a security system of this type are an alarm trigger and a detector which responds to the approach of an alarm trigger. For example, a resonant circuit having an electric coil and a capacitor is used as an alarm trigger, while a transmitter and receiver are used for the associated detector arranged at either side of a passage through which merchandise outfitted with such alarm triggers are guided.
b) Description of the Related Art
A support serves as connection between the alarm trigger and the merchandise. In the prior art, a plastic plate was used for this purpose, the alarm trigger being integrated therein so as to be inaccessible from the outside. The plates outfitted in this way were connected in a stationary manner with the merchandise to be protected from theft via a loop of cord or the like and could only be removed again by using a special detaching device. A plate of this type impaired proper visibility of the merchandise and, in particular, showed the thief where to exercise tampering in order to detach the plate from the merchandise. Plates of this kind outfitted with alarm triggers are difficult to connect with the merchandise to be tried out without impairing the function of this merchandise, e.g., articles of apparel. For example, ready-made articles of apparel need to be tried on, but this is impeded by the attached plates.
OBJECT AND SUMMARY OF THE INVENTION
The primary object of the present invention is to develop a process of the type indicated above in which the alarm trigger is not conspicuous to the thief and the support attached to the merchandise does not impair the intended use of the merchandise with respect to viewing it or trying it out. This object is met according to the invention by the steps of the inventive process which will be discussed in detail below
The first insight of the invention relates to the fact that many goods are provided with functional strips of textile specific to these goods. For example, slacks have protective cuff strips, skirts have waistbands and coats have hanger strips. Outer garments in general have woven labels containing information in symbols or alphanumeric characters about the origin of manufacture, use, care or fabric specifications of the merchandise. Such functional strips, which are provided in any case, are utilized by the invention as supports for an alarm trigger of an anti-theft security system. In the textile production method according to the invention, thread or yarn material is used to produce a web of fabric formed by successive pieces of such functional textile strips within which the alarm triggers are incorporated already during the textile production process. Every piece of textile web comprising such a functional strip is formed with two layers, at least in some areas, so as to produce a cavity in this region, the alarm trigger being inserted into this cavity during its production. For this purpose, this region is produced by portions in at least two partial steps. This can be carried out, for example, on a weaving machine or knitting machine.
In a first partial step, an initial portion of the web piece is produced with a pocket, still open, in the double-layer region. The prepared alarm trigger is then introduced through the pocket opening into the interior of the pocket. This may be done simultaneously with the textile production, i.e., during weaving or knitting, for example. However, it is more expedient to slow down or stop textile production in this phase while the process of inserting the alarm trigger is taking place. After insertion, the second partial step of textile production of the web piece is begun, in which an end portion with a pocket closure is formed in the double-layer region. In this way, the opening of the pocket is closed and a cavity is formed which encloses the alar
REFERENCES:
patent: 4626311 (1986-12-01), Taylor
Friedrich Graf Soehne GmbH & Co. KG
Gray Linda L.
Simmons David A.
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