Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Reexamination Certificate
1999-06-14
2002-03-19
Mayes, Curtis (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
C156S361000, C156S367000, C156S378000, C156S541000, C156S542000
Reexamination Certificate
active
06357503
ABSTRACT:
BACKGROUND
1. Field of the Invention
The invention relates to an appliance for manufacturing a strip with self-adhesive labels or other materials with parts placed underneath, in particular a label strip on which removable, self-adhesive labels are applied to a carrier strip, on which carrier strip other parts, such in particular as security elements, are provided under the actual label. The other parts, when the self-adhesive label is detached from the carrier strip, can be transferred together with the latter onto an object to be provided with the label.
2. Description of the Prior Art
Self-adhesive labels are produced in known manner in such a way that individual labels are punched out from a label material, which is carried by a strip-shaped carrier and releasably adheres to the latter, by punching out to the desired shape and size by a suitable punching tool. After the removal of the label material residue which is not required, i.e. after the so-called waste or surplus removal, the carrier with the self-adhesive labels adhering to it is wound up to form a label spool. The latter is later inserted into a label dispenser by means of which the released labels are transmitted to an object or article which has to be labeled.
In practice, there is also a great desire to place accurately, under such self-adhesive labels and in one operation, other parts which can be transferred to or pasted onto the object to be labeled with the self-adhesive label.
A method known from European reference EP 0 682 333 A1 for the production of a self-adhesive label strip in which a top layer and electromagnetically active or activable security elements are joined together provides for the security elements to be bonded to a security element carrier strip and for the security elements to be separated from the security element carrier strip at a dispenser edge and be laminated together with the top layer. In this publication, no appliance information is provided from which it may be seen how this method is realized or can be realized in practice. Although general information is provided, its practical achievement is neither given nor even indicated.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an appliance by means of which various materials, such as metal, plastics, paper, cardboard, composites or the like, which are located on a carrier strip in the form of punched labels or a continuous strip, are transferred in turn to a delaminated strip (and, in fact, either above it or below it) substantially continuously, at high speed, with good precision and a high level of flexibility during a rotational motion.
ADVANTAGES OF THE INVENTION
The appliance according to the invention for producing a label strip or the like with parts placed underneath achieves this object. As compared with the prior art and the method of producing a security label strip described at the beginning, it has the advantage of a practical machine, actually built and functional, by means of which parts, such as security elements, are placed under self-adhesive labels, in particular, during a rotational motion, substantially continuously, with high speed, great precision and at a high level of flexibility. This makes available a finished label strip from which the individual labels, with the other part placed underneath, can be transferred in one operation to the object to be furnished.
In accordance with the invention, this is achieved in principle by an appliance wherein a first supply spool, with associated transport device, is provided from which a first carrier strip with labels is unrolled. A first removal station is provided at which the labels from this first carrier strip are released and, after forward transport over a region which is free from the carrier strip, are deposited on a second carrier strip. A first winding spool, with associated transport device, is provided on which the first carrier strip is wound. A second supply spool, with associated transport device, is provided from which is unrolled a third carrier strip with other parts, which are applied to it and which have to be arranged under the label. A second removal station is provided at which the other parts are released from this third carrier strip and, after forward transport over a region which is free from carrier strip, are deposited on a fourth carrier strip. A second winding spool, with associated transport device, is provided on which the third carrier strip is wound. A controlled intermittent drive for the third carrier strip, with the other parts on it, is provided by means of which this third carrier strip is guided locally, fed forward in a controlled manner and inter-mittently driven in such a way that the other parts can be deposited on the fourth carrier strip at desired position. A third winding spool, with associated transport device, is provided on which the second carrier strip can be wound, the winding speed corresponding approximately to the unwinding speed with which the first carrier strip is unwound from the first supply spool. The fourth carrier strip furnished with the deposited parts can function as the second carrier strip on which the labels released at the first removal station are deposited accurately with respect to location and time at the desired position and, by this means, cover the other parts completely or partially.
Thus, in accordance with an advantageous and very expedient embodiment of the invention, the first carrier strip from which the self-adhesive labels are removed at the first removal station is used as the second carrier strip or the fourth carrier strip on which the other parts and subsequently the labels are deposited, a corresponding, suitable guide and feed system for the first carrier strip being provided. In this embodiment of the appliance according to the invention, the labels are released from the carrier strip and are later deposited back on the same carrier strip, the other part, for example a security element, having been previously applied to this carrier strip and this other part being then accurately covered by the label at the desired position.
Both together, i.e. label and other part placed underneath, are then jointly transferred to the object to be labeled during the final application of the label strip, i.e. during the labeling of objects. This also has the particular advantage in the case of the labeling of glass bottles, during the removal of the label, that the security element has to be removed jointly with it, for example, because the adhesion effect between the security element and the label is greater than that between the label, with the security element, and the glass bottle. This has previously been a particular problem in practice because the security elements were placed on the glass bottles in a separate labeling procedure and the labels covering them were then applied in a second separate labeling procedure using additional equipment. In this arrangement, accurate placing is fundamentally problematical, on the one hand, and, on the other, it has been found in practice that because of the different adherence behavior, it is scarcely possible to remove both parts jointly from the glass bottle.
In accordance with a further particularly expedient embodiment of the invention, the second removal station is arranged substantially at right angles to the first removal station. For both functional and space reasons, this has shown itself to be a very beneficial arrangement.
In accordance with a further particularly expedient embodiment of the invention, web edge controls are provided for the carrier strips for the lateral open-chain and closed-loop control of the strip guidance. Because of these web edge controls, the carrier strips are individually and securely guided and retained on their transport path in their desired direction and, on the other hand, a very expedient appliance is provided by means of which the carrier strips can be aligned side by side. This quite substantially increases the flexibility and the accuracy during the placing and mutual
Kromer Peter
Pasquini Jean-François
Cohen & Pontani, Lieberman & Pavane
Mayes Curtis
Pasquini und Kromer GmbH
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