Patent ID: 9623990
Date: 2017-04-18
CPC Classifications: B65B,B67B

Claim:
1. Machine for applying threaded caps to containers, comprising: a holding device configured for holding a respective container, the respective container having an external thread; at least one screwing head including a gripping member, the grippinq member configured for holding a respective cap, the respective cap having an inner thread; at least one electric motor associated with the at least one screwing head and configured to control a rotational movement of the gripping member about a longitudinal axis of the gripping member, wherein the gripping member performs a translational movement along the longitudinal axis synchronized with the rotational movement so that during operation, the gripping member moves along a screwing path; at least one vision system configured for detecting images of the external thread of the respective container and of the inner thread of the respective cap held by the gripping member, the at least one vision system comprising: an electronic control unit configured to process the images of the external thread and inner thread and to determine an angular position of a start point of the external thread of the respective container and an angular position of a start point of the inner thread of the respective cap and for controlling an adjustment of angular position of the respective cap so as to carry out screwing of the cap onto the respective container with the respective inner thread arranged in a preset relative position.