Process and apparatus for wrapping articles with stretchable...

Details Process and apparatus for wrapping articles with stretchable... Process and apparatus for wrapping articles with stretchable...

B - Operations, Transporting

65

B

B65B 59/00 (2006.01) B65B 11/06 (2006.01) B65B 11/18 (2006.01) B65B 11/54 (2006.01)

Patent

CA 2118184

A stretchable film (F) is used whose width is substantially equal to that of the bottom of an article of the largest format which can be processed by the packaging machine. The film is characterized by considerable stretchability and a low elastic memory when stretched. The portion of film cyclically introduced into the wrapping station is normally subjected to longitudinal pre-stretching which has the function of decreasing the width of the film, and the extent of this pre-stretching is variable according to the dimensions of the article to be wrapped, so that the said portion of film has a width proportionate to the corresponding dimension of the article to be wrapped.

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