Patent ID: 6601371
Filing Date: 2003-08-05
Classification: B65B,B65C

Abstract:
A packaging machine for wrapping products of varying dimensions and consistency in packaging materials, comprising:a drive for a feed movement of a packaging material and for products being wrapped with the packaging material; means for controlling movement of said drive in accordance with predetermined movement rules defined by a time-path function having a time axis and a path/position axis; sensors means for monitoring operation of said drive and of said movement vis-a-vis the packaging material and products being wrapped, said sensor means including means for registering deviations in synchronicity of the movement of the packaging material and the products being wrapping; means for comparing said deviations in the synchronicity of the movement of the packaging material and the products being wrapped with said predetermined movement rules defined by said time-path function; and, means for adjusting the movement of the packaging material and the products being wrapped in response to said deviations in the synchronicity of said movement by continuously scaling said time-path function with respect to solely the time axis of said time-path function by continuously extending or compressing said time axis of said time-path function for correcting said deviations in the synchronicity of said movement of the packaging material and the products being wrapped.