Conveyors: power-driven – With alarm or indicator
Patent
1999-03-23
2000-07-04
Bidwell, James R.
Conveyors: power-driven
With alarm or indicator
B65G 4300
Patent
active
060825251
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a method for applying information/advertising in the form of foil/stickers to a conveyor belt. The conveyor belt can be employed in cashier counters in grocery shops, at airports, etc.
In U.S Pat. No. 4,979,591 there is disclosed a conveyor belt for a cashier counter, wherein information/advertising indicia have been applied to the conveyor belt. A special print is transferred by transfer printing to the outer surface of the belt by the application of colour and adhesive from an underlying paper at a temperature of 120-160.degree. C. and a pressure of 2-6 bar during a pressure period of 10-60 seconds. In this case, therefore, a protective film must be employed if the product is to be effective.
In the applicant's Norwegian patent application no. 950791 there is disclosed a method for applying information/advertising indicia to a cashier counter's conveyor belt. In this application a better quality of information/advertising is provided by the use of a special print type which permits detailed motifs, combined with a printing technique where the print is melted into the conveyor belt, thus becoming an integrated part of it and consequently cannot be torn or worn off, which results in a quality print which is expected to have a lifetime of up to 2 years.
SUMMARY OF THE INVENTION
The present invention is a further development of the applicant's Norwegian patent application no. 950791. As indicated in the following drawing description, the special foil/stickers can be employed on conveyor belts by means of appropriate means such as by means of a heat/pressure press which presses down parts of the conveyor belt, thus forming recesses in the conveyor belt and that removable foil/stickers are inserted into these recesses. The recesses in the belt may be up to 0.5 mm deep, and the foil/stickers may be thinner than or equal to 0.5 mm. This prevents the foil from being torn off when the belt goes round the rollers on, e.g., a cashier counter due to the fact that the foil does not exceed the conveyor belt's own thickness. The foil/stickers may be applied for a campaign and removed when it is over without destroying or reducing the quality of the conveyor belt. However, the foil/stickers are securely fixed during the campaign period. The recesses in the conveyor belt can be cleaned and coated with a chemical agent to ensure that the removable foil/stickers are securely fixed to the conveyor belt. A suitable agent may be an alcohol, such as isopropanol, which forms chemical bonds and alters the structure of the surface of the conveyor belt.
For its part the conveyor belt consists of 4 layers, with a PVC layer on top, then a sheet, a new PVC layer and finally a sheet, as illustrated in FIG. 2.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be described in more detail in the following description of the invention with reference to the drawing, in which:
FIG. 1 illustrates information/advertising in the form of a foil/sticker,
FIG. 2 illustrates the construction of the conveyor belt,
FIG. 3 illustrates a conveyor belt with information/advertising applied, mounted in a cashier counter,
FIG. 4 is a lateral section of a conveyor belt with recesses where the foil/sticker is inserted in these recesses, mounted in a cashier counter.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Thus FIG. 1 is a perspective view of information/advertising in the form of a foil/sticker 1. FIG. 2 is a perspective view of a conveyor belt 2a, together with its construction where the top layer is PVC 4, the next layer is a sheet 5, followed by a new PVC layer 6 and finally a sheet 7. FIG. 3 illustrates how a conveyor belt 2a looks mounted in a cashier counter 2 after information/advertising has been applied. FIG. 4 shows in a lateral view how a conveyor belt 2a looks mounted in a cashier counter 2 after information/advertising has been applied in the form of foil/stickers 1 in recesses in the conveyor belt, where these recesses have been formed by means of a heat/pressure press.
REFERENCES:
patent: 4979591 (1990-12-01), Habegger et al.
patent: 5244080 (1993-09-01), Bierbaum
patent: 5280831 (1994-01-01), Conklin, Jr.
patent: 5358094 (1994-10-01), Molinaro et al.
Knutsen Stian Valentin
Vonholm Christian
Balder Promotion AS
Bidwell James R.
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