History & Key Points

The locking replacement stop tap lid was designed and patented by Robert Frazer in 1982. His son, Duncan Frazer, now owns the company. Robert was an aircraft engineer in the Second World War working with Barnes Wallis on Lancaster and Wellington bomber gun turrets and was at the forefront of the industrial use of plastics. In retirement in the early eighties he developed the locking replacement lid which has developed into a major money saving and unique idea for the street works operatives of the water companies.

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