CONTAINER PROCESSING MACHINE

摘要

There is disclosed a container processing machine (1) comprising a material handling surface (3)" for handling a sheet -like material through suction and a vacuum source (2) in fluid connection with said material handling surface (3), the machine (1) comprising: - means (17) for detecting and transmitting a value of pressure of the gas being suctioned; - a controllably operable flow valve (19); - a control unit (20) operatively connected with said detection and transmission means (17) and with said flow valve (19); said detection and transmission means (17) and said flow valve (19) being arranged between said vacuum source (2) and said material handling surface (3); said control unit (20) being programmed to adjust the degree of opening of said flow valve (19) in response to a signal which is a function of at least said value of pressure.