Textiles: weaving – Special-type looms
Patent
1997-03-24
1998-06-30
Crowder, C. D.
Textiles: weaving
Special-type looms
139425R, D03D 4100
Patent
active
057719420
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND
The invention is directed to a method of arranging flat plate-like components at a prepared arrangement location in a textile web of a textile machine. It is important to be able to fix plate-like structural component parts at determined locations on a textile web. These structural component parts will be referred to simply as "small plates" hereinafter.
For instance, to help in achieving an elegant fold configuration in a curtain, it is useful to arrange small stiffening rods, as they are called, in the top edge region and bottom edge region of the curtain. Carrying strips provided with pockets are advisably used for this purpose, these carrying strips being fastened at the edge of the curtain. Such carrying strips are first produced on a weaving machine or loom. The stiffening rods are then inserted into the pockets. Since it is difficult to automate this process, this insertion is performed manually, which is tedious and time-consuming.
Another important application for such methods has to do with a security system for self-serve merchandise. Generally, for this purpose, labels with attached triggers are fastened to the merchandise. When the labeled merchandise comes in proximity to detectors which are placed within the exit area of sales locations, an alarm is triggered unless the alarm trigger in the label has been disabled beforehand. In this connection, it has already been suggested (DE-GM 93 08 632.6) to make label strips with two layers or plies so as to form pockets. These pockets have side pockets opening toward one longitudinal edge of the strip; the alarm trigger must be inserted therein in a cumbersome manner. After they are produced by weaving, the openings of the filled pockets are closed by seams or the like.
The object of the invention is to develop a method of the type mentioned in the preamble which permits a quick, easily automated production of a textile web to be provided with small plates. This object is met in accordance with the invention by the steps given in the characterizing part of claim 1. The particular significance of these steps will be described hereinafter.
The method according to the invention includes, first, a precursor process in which a line forming a linear arrangement of small plates is produced. This line will be referred to hereinafter simply as "plate line". This is effected in that the small plates are connected at a defined, fixed distance from one another with at least one flexible carrier. In so doing, the small plates can alternate with connection pieces of the carrier material to form the plate line. In this case, it is also possible to produce the entire plate line in one piece. An alternative would be to start with an already finished continuous strip at which the carriers are fixed in place at a defined distance from one another.
This precursor process is followed by a main process which is effected in its entirety on the machine used for producing the textile web. This machine will be referred to hereinafter simply as "textile machine". The special character of the method according to the invention consists in that the plate line is allowed to work as a thread element in the textile machine along with the other thread elements of the textile web. When the textile machine used is a weaving loom, the usual thread elements such as warp threads and weft threads are woven with the plate line, namely, by means of the method steps indicated in the characterizing part of claim 1. In general, it is sufficient to form the textile web with one ply and to tie in the small plates to be attached thereto via their carriers with the thread elements of the textile web. A preferred production method is effected in that the textile web is constructed, at least in some areas, so as to have two plies in the form of pockets as is indicated more fully in claim 5.
Further advantages and steps of the invention are given in the further subclaims, the following description and the drawings. An embodiment example of the invention is shown in the drawings.
BRIEF DE
REFERENCES:
patent: 4205709 (1980-06-01), Duschek
patent: 5452591 (1995-09-01), King
August Bunger Bob-Textilwerk KG GmbH & Co.
Crowder C. D.
Kueffner Friedrich
Worrell Jr. Larry D.
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