From a background of over thirty-five years in the field worldwide, Laurence Penn was well positioned to recognize that using conventional liquid metering methods, it is perfectly possible for a product to make it all the way down the production line with 'out of spec' adhesive or no adhesive at all. It could be, literally, only held together by its component parts, which in terms of metering accuracy and metering failure, was untenable.

After many years of thought and concept testing, the answer to this very elusive technical riddle was clear to him, 'it must be "failsafe!"'