A vacuum drum for container labeling includes vacuum holders for holding a label. Each holder has a bistable rotational switch that switches between operating positions as a result of its switch actuator interacting with stationary switches during the drum's rotation. In one operating position, a label receives glue from a glue station. In the other, the holders avoid engagement with the glue station.

The invention relates to a labelling machine for applying labels onto articles intended to contain a pourable product and comprising a conveyor and a transfer element. The labelling machine also comprises first detection means, arranged peripherally to the transfer element in a position downstream of an application station and upstream of a receiving station, relatively to an advancement direction. The first detection means is configured to detect the single labels still retained in use and to generate a presence signal correlated with the presence of the labels, by the lateral surface downstream of the application station. The labelling machine comprises second detection means arranged in a position downstream of the receiving station and upstream of the application station, relatively to the advancement direction, and configured to detect a positioning of each label onto the lateral surface and to generate a positioning signal correlated with the positioning of each label.

A suction strip for a label vacuum-grip cylinder. The suction strip comprising a slide plate and a pad at least partially received within the slide plate. When the at least one suction strip is inserted into the slot of the label vacuum-grip cylinder, the slot compresses the pad into a depression in the slide plate. The slide plate comprises a panel, a rearwardly extending wall extending rearwardly from the panel and a rear peripheral rim extending rearwardly from the rearwardly extending wall. The panel and the rearwardly extending wall define a suction area within the rearwardly extending wall. The depression is on a step defined by a surface of the rearwardly extending wall and within the rear peripheral rim. The slide plate including at least one retaining element for retaining the pad within the depression. Each of the slide plates can have a different character formed in the face thereof.

The invention relates to a labelling machine for applying labels onto articles intended to contain a pourable product and comprising a conveyor and a transfer element. The labelling machine also comprises first detection means, arranged peripherally to the transfer element in a position downstream of an application station and upstream of a receiving station, relatively to an advancement direction. The first detection means is configured to detect the single labels still retained in use and to generate a presence signal correlated with the presence of the labels, by the lateral surface downstream of the application station. The labelling machine comprises second detection means arranged in a position downstream of the receiving station and upstream of the application station, relatively to the advancement direction, and configured to detect a positioning of each label onto the lateral surface and to generate a positioning signal correlated with the positioning of each label.

A labeling machine is presented for labeling containers by a continuous film strip suitably cut into labels, configured for fixing the label to the container by an adhesion fluid adapted to adhere the label to the container. The adhesion fluid is of the dissolvable type within a determined time sufficient to guarantee the function of applying the label to the container and/or removable through the use of suitable removal means.

The invention relates to a labelling device for attaching labels to containers, comprising: at least one unrolling device for a label strip; at least one cutting tool for cutting the label strip into individual labels; a vacuum transfer cylinder for transferring the labels onto the containers, wherein the vacuum transfer cylinder has a plurality of movable vacuum suction for suctioning, conveying and transferring the labels, wherein at least one vacuum suction bar is assigned to each label to be transported; at least one bar controller for controlling the movement of the vacuum suction bars, wherein the bar controller comprises at least one control cam which, in cooperation with at least one control roller of a vacuum suction bar, controls the movement of the respective vacuum suction bar.

A cutting device for cutting labels from a web of labelling material. The cutting device includes a first member rotatable having a blade and rotatable about a first axis, a second member rotatable about a second axis, and a cutting station. The second rotary member having a receiving portion to receive the blade, advancing the receiving portion around the second axis, and supporting the web. At the cutting station, the blade engages the receiving portion to cut the web covering one at a time the receiving portion. The second rotary member includes a first portion extending at a first distance from the second axis and comprising the receiving portion, and a second portion angularly spaced from the first portion and extending at a second distance from the second axis. The blade faces the first angular portion and the second angular portion alternately to one another.

A container-labeling apparatus includes a label-strip feeder having a vacuum drum and a vacuum cylinder that has vacuum regions extending between different angular ranges. A first vacuum source provides the vacuum at the vacuum drum and a second vacuum source provides the vacuum at the vacuum cylinder. During operation, the vacuum regions provide different under-pressures.

A labeling apparatus includes a rotating vacuum drum and a pair of vacuum holders on the drum that are switched by rotating switches between a working position for gluing labels and a rest position in which the vacuum holders avoid an application of glue. Actuators cause the switches to transition between operating positions. Stationary switch controllers initiate transitions between the operating positions of the switch, thereby causing the holders to transition between their two positions.

A labeling machine is presented for labeling containers by a continuous film strip suitably cut into labels, configured for fixing the label to the container by an adhesion fluid adapted to adhere the label to the container. The adhesion fluid is of the dissolvable type within a determined time sufficient to guarantee the function of applying the label to the container and/or removable through the use of suitable removal means.