 Transferable paint film and method for its manufacture |
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| Amorphous metallic and nitrogen containing alloy films |
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| Magnetic recording medium |
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| Closed loop reactant/product management system for electrochemical galvanic energy devices |
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| Paper composed mainly of pullulan fibers and method for producing the same |
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| Use of methylenebis- and thiobisnaphthols as promoters in tire cord adhesion to rubber |
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| Vehicle mounting for a portable microwave antenna dish |
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| Satellite earth station |
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| Portable reflector antenna assembly |
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| Double tuned dipole antenna |
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Material-web marking by means of bar code
| Details |
Inventors: Riesing, Johann;
Assignee: Oesterrechisches Forschungszentrum Seibersdorf Ges. m.b.H. (Vienna, AT)
Primary Examiner: Powell; William A.
Assistant Examiner:
Attorney, Agent or Firm: Sandler, Greenblum & Bernstein
The invention relates to a method and an apparatus for marking flat objects (4) by means of bar code (4). The object of the invention is to form a code, preferably a bar code, in that with the aid of an adhesive, for example, a thermoplastic adhesive, a two-component adhesive, an adhesive solution or the like, glass beads are applied to the objects in the form of a code, such glass beads having a diameter of 0.01 mm to 1 mm, preferably 0.05 mm to 0.8 mm, particularly 0.08 mm to 0.5 mm, and having a refractive index greater than 1.5, preferably 1.85 to 2.0. |
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DETAILED DESCRIPTION With the foregoing in mind, it is a primary object of the present invention to provide a new and improved method of, and arrangement for, applying codes to an object and which method and arrangement are not afflicted with the drawbacks and limitations of the prior art.
Another and highly significant object of the present invention is directed to the provision of a new and improved method of, and arrangement for, applying codes to an object and which method and arrangement result in highly durable and distinctly readable codes or code markings on such object.
A further important object of the present invention aims at providing a new and improved method of, and arrangement for, applying codes to an object and which method and arrangement particularly permit applying to flat web-type objects code markings which are distinctly readable by means of a scanning or reading device during processing operations or on an assembly line carrying such flat or web-like objects.
A still further important object is directed to providing a new and improved construction of a scanning arrangement for scanning codes or code markings and which scanning arrangement is particularly suited for scanning the codes or code markings which have been applied by carrying out the new and improved method using the new and improved arrangement for applying codes to an object.
Now in order to implement these and still further objects of the invention, which will become more readily apparent as the description proceeds, the method of the present development is manifested, among other things, by the features that for forming a code, preferably a bar code, with the aid of a bonding agent, for example, a thermoplastic adhesive, a two-component adhesive, an adhesive solution or the like, glass beads are applied to the objects in the form of a code, such glass beads having a diameter of 0.
01 mm to 1.
0 mm, preferably 0.
05 mm to 0.
8 mm, particularly 0.
08 mm to 0.
5 mm, and having a refractive index greater than 1
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Radio 
