date:Sep 29, 2012
s perfectly, depending on the exact alignment of two opposing rib and groove strips.
By contrast, the new Vector design involved a series of rib and groove lines on the inside of packets, meaning shoppers could reseal them much more easily without worrying about precise alignment.
It could be used to replace standard strips for products ranging from cereals, crisps and nuts to washing powder, said Schildwachter.
Minimum adjustments
Conventional packaging closures could incorporate Vector sea