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Hepworth Iron Co, manufacturer of clay products including bricks, of Hepworth, Yorkshire.
of Hazlehead, Yorkshire
c.1857 Business established to manfacture clay products at Hepworth
1897 Hepworth Iron Co incorporated as a public company to acquire the business
1908 Became a private company
1921 Contract from General Post Office for supply of clay conduits for telephone cables underground; company then concentrated on salt glazed pipes and sanitary pipes.
1952 Hepworth Iron Co (Engineering) Ltd incorporated as a subsidiary engaged in high precision engineering and manufacture of hydraulic equipment.
1954 Hepworth Refractories Ltd incorporated as a subsidiary to take over the manufacture of products for steel foundries.
1955 Hepworth Coal and Clay Ltd incorporated as a subsidiary to take over the coal and clay producing assets of the company
1958 Reduction in demand for conduit from the GPO; company concentrated on sanitary pipes; acquired Gibbs and Canning
1959 Converted into a public company again.
1963 Acquired North Bitchburn Fireclay and 75% of John Crankshaw Co of Horwich; JV formed with a Dutch company to market rigid PVC products in the UK. Had invested in a new large clay piping making facility.
1964 Of Hazelhead, Stocksbridge, Sheffield. Acquired from Honeywell Controls Ltd., Greenford, Middx, exclusive rights to apply the full range of "Versa-Trace" electro-hydraulic tracer systems to machine tools in the United Kingdom.
1964 Acquired the whole of the issued share capitals of Ketch Plastics Ltd. of Litchfield, Gwent Pipe and Firebrick Company Ltd., of Pontnewydd, Monmouthshire, and Oak Brick Company Ltd., of Pontypool In addition it has acquired from the National Star Brick Company Ltd., the fixed assets comprising the Llantarnam Pipeworks and from Powell Duffryn Ltd. the fixed assets comprising the Aberaman Pipeworks.
A subsidiary company - The Lochside Coal and Fireclay Company Ltd. -has acquired the whole of the issued shared capital of Loudon and Russell Ltd. of Newmains, Wishaw, Lanarkshire and also the fixed assets of the Cumbernauld Pipeworks from the Glenboig Union Fireclay Company Ltd.
1969 Acquired pipe interests from Doulton pottery group. The tunnel kiln capacity had doubled due to acquisitions and internal investment. Discussions with General Refractories about a merger; would create a large clay-using group from the 2 largely complementary companies. Hepworth had grown rapidly through investment in tunnel kilns and by acquiring companies which could be improved in that way, and companies with major clay assets.
1970 New company Hepworth Ceramic Holdings formed as holding company for the merged companies.