Heat-shrinkable tubular film material

Details Heat-shrinkable tubular film material Heat-shrinkable tubular film material

B - Operations, Transporting

29

C

18/978

B29C 61/02 (2006.01) A22C 13/00 (2006.01) A22C 13/02 (2006.01) B29C 61/08 (2006.01) B65B 53/02 (2006.01)

Patent

CA 1276766

A B S T R A C T IMPROVEMENTS IN OR RELATING TO BEAT-SHRINKABLE TUBULAR FILM MATERIAL In the manufacture and use of tubular casing material, a starting material having heat-shrinkable properties is partially shrunk to a controlled reduced calibre and then is further shrunk during use. The shrinking may either take place during use, for example by partially shrinking tubular film material over a stuffing horn 2 in a shrinker 6 (Figure 1) or may be carried out during manufacture by partially shrinking a length of tubular film material to a controlled reduced calibre before sale (Figures 2 and 3).

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