Process and machine for fitting stretchable labelling sleeves on bottles or the like
First Claim
1. Process for fitting a stretchable sleeve on an article, according to which at least one pair of stretchers is introduced into the sleeve, the stretchers are moved apart in order to stretch the sleeve, and the article and the stretchers are displaced relative to one another in order to position the stretched sleeve on the article, which process is characterised in that, the stretchers each define an external face that comes into contact with the sleeve while the sleeve is being fitted on the article and, during the relative displacement of the stretched sleeve and the article, suction is effected in the area of contact of the sleeve and the external faces of the stretchers in order to maintain the sleeve on the stretchers while it is being fitted on the article.
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Accused Products
Abstract
A process for fitting stretchable labeling sleeves on bottles or the like, according to which at least one pair of stretchers is introduced into the sleeve, the stretchers are moved apart in order to stretch the sleeve, and the bottle and the stretchers are displaced relative to one another in order to postion the stretched sleeve on the bottle, which process is characterised in that, during relative displacement of the attached sleeve and the bottle, suction is effected in the area of contact between the sleeve and the stretchers in order to maintain the sleeve on the stretchers while it is being fitted on the bottle.
29 Citations
15 Claims
- 1. Process for fitting a stretchable sleeve on an article, according to which at least one pair of stretchers is introduced into the sleeve, the stretchers are moved apart in order to stretch the sleeve, and the article and the stretchers are displaced relative to one another in order to position the stretched sleeve on the article, which process is characterised in that, the stretchers each define an external face that comes into contact with the sleeve while the sleeve is being fitted on the article and, during the relative displacement of the stretched sleeve and the article, suction is effected in the area of contact of the sleeve and the external faces of the stretchers in order to maintain the sleeve on the stretchers while it is being fitted on the article.
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5. A method of fitting a stretchable sleeve onto an article, comprising the steps of:
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opening the stretchable sleeve into a first configuration in which the article may not be inserted into the stretchable sleeve; providing a plurality of stretchers each having an inner surface, an outer surface, an upper surface, and at least one first channel opening out on each of the outer surfaces; displacing at least one of the stretchable sleeve and the plurality of stretchers such that the stretchers enter the stretchable sleeve and the outer surfaces come into contact with the stretchable sleeve while the stretchable sleeve is being fitted onto the article; displacing the stretchers such that the outer surfaces thereof engage and stretch the stretchable sleeve into a second configuration in which the article may be inserted into the stretchable sleeve; applying suction to the stretchable sleeve through the first channels; displacing at least one of the article and the stretchers such that the article is arranged between the inner surfaces of the stretchers; and removing the stretchers to fit the stretchable sleeve onto the article. - View Dependent Claims (6, 7, 8, 9, 10)
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11. An apparatus for fitting a stretchable sleeve onto an article, comprising:
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means for placing the stretchable sleeve into a first configuration in which the article may not be inserted into the stretchable sleeve; a plurality of stretchers each having an inner surface, an outer surface, an upper surface, and at least one first channel opening out on the outer surfaces thereof; means for displacing at least one of the stretchable sleeve and the plurality of stretchers such that the stretchers enter the stretchable sleeve; means for displacing the stretchers such that the outer surfaces thereof engage and stretch the stretchable sleeve into a second configuration in which the article may be inserted into the stretchable sleeve; means for applying suction to the stretchable sleeve through the first channels; means for displacing at least one of the article and the stretchers such that the article is arranged between the inner surfaces of the stretchers; and means for removing the stretchers to fit the stretchable sleeve onto the article. - View Dependent Claims (12, 13, 14, 15)
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Specification