Jog Resistance


Pira uses a jog tester to assess the performance of carrier bags and wine carriers to a simulated consumer carrying motion.

The carrier is loaded before being suspended onto a mechanical "hand" then jogged at a set cycle rate and amplitude.

Expert Profile

  • Doug joined Pira in 1989 and has 20 years experience in the physical testing of packaging and packaging materials. He heads a team specialising in packaging and print related technical investigations. In 2004 Doug gained his postgraduate degree with distinction in Packaging Technology from Brunel University.

    Doug Leatherdale
    Doug Leatherdale

    Head of Physical Testing

    Pira International

    +44 1372 80 2108

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