Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Halogen containing compound
Patent
1992-03-27
1993-11-16
Robinson, Ellis P.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Halogen containing compound
428 41, 428 42, 428 43, 428136, 428138, 428202, 428203, 156227, 156269, 156270, 156277, 156301, 283 81, B31D 102
Patent
active
052622142
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a method of producing labels and in particular to a method of producing a succession of self-adhesive labels on a length of release material. The present invention also relates to a self-adhesive label.
In the packaging field there is a great demand for high quality pre-printed labels for labelling containers of various types. In order to facilitate the packaging and labelling of containers at a fast rate it is generally required that the labels to be attached to the containers be made available in a form in which they are easy to handle and easy to transfer onto the containers for which they are intended. In one convenient arrangement the labels are self-adhesive labels which are carried in series on a web of release material which is wound into a reel. The Applicant's earlier GB-A-2199010 discloses a method of and apparatus for producing labels in which self-adhesive labels are carried directly release material.
SUMMARY OF THE INVENTION
It is an aim of the sent invention to provide an improved method for producing labels which is a development of the Applicant's earlier method.
Accordingly, the present invention provides a method of producing a succession of self-adhesive labels on a length of release material, the method comprising the steps of:- (a) providing a length of release material which is coated on one side thereof with a layer of pressure-sensitive adhesive; (b) providing a length of an uncoated laminar material; (c) disposing a succession of multi-laminar label pieces between the laminar material and the adhesive layer on the release material so that the laminar material is adhered directly to the release material by the adhesive layer; (d) cutting through the length of laminar material and the adhesive layer as far as the release material so as to form a succession of self-adhesive labels on the release material, each self-adhesive label including at least a part of a respective multi-laminar label piece and a portion of the laminar material extending thereover, with the laminar material being substantially unadhered to the label piece so that the laminar material can be separated from the label piece in order to access the label piece; and (e) removing from the release material waste portions of the laminar material and of the layer of pressure-sensitive adhesive which surround the self-adhesive labels.
The present invention also provides a self-adhesive label carried on a release material, the label comprising a laminar material, a multi-laminar label piece which is covered by the laminar material, the laminar material being uncoated whereby the laminar material is substantially unadhered to the label piece so that the laminar material can be separated from the label piece in order to access the label piece, and a layer of pressure-sensitive adhesive which releasably adheres at least apart of the self-adhesive label directly to a release material, the layer of pressure-sensitive adhesive coating the rear surface of the label piece and a portion of the rear surface of the laminar material which is adjacent the label piece.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the present invention will now be described by way of example only with reference to the accompanying drawings, in which:
FIG. 1 is a diagrammatic elevation of an apparatus for producing self-adhesive labels in accordance with the present invention;
FIG. 2 is a diagrammatic plan view of a succession of self-adhesive labels in accordance with a first embodiment of the present invention when carried on a length of release material;
FIG. 3 is a section on line A--A of the label and release material assembly of FIG. 2;
FIG. 4 is a diagrammatic perspective view of a self-adhesive label in accordance with a second embodiment of the present invention when carried on a length of release material;
FIG. 5 is a diagrammatic perspective view of a self-adhesive label in accordance with a third embodiment of the present invention when carried on a length of release mater
REFERENCES:
patent: 4544590 (1985-10-01), Egan
patent: 4621442 (1986-11-01), Mack
patent: 4744591 (1988-05-01), Instance
patent: 4868027 (1989-09-01), Hunkeler
patent: 5127676 (1992-07-01), Bockairo
Ahmad Nasser
Robinson Ellis P.
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