| 摘要 |
1325865 Wrapping containers METAL BOX CO Ltd 25 Nov 1970 [26 Nov 1969] 57831/69 Heading B8C A container 10 is inserted into a sleeve 11 of uniaxially oriented polyvinyl chloride or polyethylene film and heat is applied to only one part of the sleeve to shrink that part. One side of the container may be heated by hot air emerging from a plurality of openings in a plate 20. Alternatively localized flame heating may be used. Heat is preferably applied to a non- printed part of the sleeve. |
