Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-01-28
1997-02-11
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156148, 156251, 156259, 156271, 1563084, 1563096, 156515, D03D 4750, D03J 106, D06H 700
Patent
active
056016719
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a process for the manufacture of fabric ribbons, in particular patterned label ribbons wherein individual ribbons are cut out of a wide fabric run containing hollow fabric areas along pre-defined cutting lines as well as to an installation for conducting the process according to the part of claim 15 describing the background art.
Processes and installations of the type mentioned above are known from several sources, e.g. from EP-OS 0 389793. With these known processes and the corresponding installation the meltable fabric run is cut thermally by means of a cutting element in the form of a cutting wire. The melted mass resulting from the cutting operation at the cut produces a relatively hard and rough bead which impairs the appearance and the handling of the cut fabrics. In EP-OS 0 389 793 the attempt is made to avoid these disadvantages in that the edge areas of the fabrics with the melted selvedges are folded over along folding lines parallel to the selvedge which are located in a hollow area of the fabric, thereby forming folding legs, whereupon the folding legs are glued to the adjoining surface zones of the associated fabric strip. For this purpose the parts, which are positioned one above the other, are hot-pressed, whereby the inlaid melting thread melts and produces the fixation. Of disadvantage in this instance is the fact that the edge area is relatively thick because it is formed by a folded hollow area of the fabric run, i.e. in the selvedge area four parts of the fabric run are located on top of one another.
The objective of the invention is to devise a process and an apparatus for the manufacture of narrow fabrics, in particular of patterned label fabrics, such that the aforementioned disadvantages are avoided.
In accordance with the present invention, the process includes manufacturing the fabric run with hollow fabric areas, wherein the hollow fabric areas are arranged along the cutting lines, and cutting the fabric run along the cutting lines, such that front parts and rear parts of the hollow fabric areas are not connected with one another.
Due to the fact that the hollow fabric areas of the fabric run are arranged along the cutting lines, and that the cutting of the fabric run takes place along the cutting lines and hence along the hollow fabric areas such that the front parts, e.g. the ground fabric parts, and the rear parts e.g. the figure fabric parts of the hollow fabric areas, are not connected with one another, a soft thin cutting area ensues on the fabric selvedges. In the case of patterned woven fabric runs the figure fabric part in the hollow fabric area can be arranged on the back such that ground fabrics located at the front are not impaired by the cut. The cut ground fabric part is characterized by a homogeneity in the colors of its ground fabric, i.e. without mixture with the colors of the figure pick. A fabric of high quality is obtained.
The cutting areas can be improved by shortening of the rear part of the cut hollow fabric area so that, the cut selvedge becomes softer on the rear of the fabric, due to which it is scarcely visible from the front, i.e. from the exterior side of the fabric. The fabric has a homogeneous and attractive appearance. A part of the hollow fabric area can easiest be shortened by means of a cutting tool which is inclined perpendicularly to the cutting line. The part of the hollow area can be shortened more when the part to be shortened is erected perpendicularly to the plane of the ribbon and is shortened by means of an additional cutting tool.
The quality, in particular the fineness of the cut area of the fabrics, can be improved further by folding of the rear part of the rear part of the cut hollow fabric area toward the center of the ribbon and gluing the rear part to the part of the ribbon located underneath. In this embodiment the gluing can be done by the application of an adhesive to the part of the hollow area to be fastened. More advantageous is an embodiment in which a fabric run is manufactured which contains me
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patent: 2471380 (1949-05-01), Wallwork
patent: 3155121 (1964-11-01), Seltzer et al.
patent: 3938414 (1976-02-01), Remond
patent: 4069727 (1978-01-01), Sparks et al.
patent: 5112420 (1992-05-01), Dresner
patent: 5452633 (1995-09-01), Speich
Aftergut Jeff H.
Kueffner Friedrich
Textilma AG
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