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Incledon and Lamberts Ltd
1953 The company was focussed on its South African and Rhodesian interests
1960 The plastics business of H. Incledon was merged into the Durapipe and Fittings business
1972 52nd AGM: Durapipe and Fittings Ltd made a major contribution; new plastic pipe products for hot liquids were in development; Ansell Jones and Co was experiencing quiet trading conditions; H. Incledon and Co traded satisfactorily . 
1976 Name changed to Durapipe International
1981 Acquired by Glynwed