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British Industrial History

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Associated Locomotive Equipment

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of Worcester

1924 Became private company, presumably Lentz Patents Ltd[1]. (The Lentz concept of poppet valve was one form of this valve; another was the Caprotti valve.)

1930 Name changed

1936 It was announced that the interests of Associated Locomotive Equipment Ltd have been identified with those of Caprotti Valve Gears Ltd and that Mr F. J. Kuretschka was now managing director of both companies[2].

1936 Alternative arrangements for manufacture of Caprotti valve gear for William Beardmore and Co were under discussion due to the recent announcement of the association of interests of Caprotti with Associated Locomotive Equipment who were owners of the competitor Lentz poppet valve[3].

1937 the chairman of Heenan and Froude, Alan Good, and managing director, W.M. Ratcliffe, joined the board of Caprotti Valve Gears Ltd[4].

1937 Heenan and Froude implemented an association with Caprotti Valve Gears Ltd in which it had taken a substantial share interest[5].

1944 The trading rights and interests of Caprotti Valve Gears Ltd., a subsidiary of Heenan and Froude, were acquired by Associated Locomotive Equipment Ltd of Worcester[6].

1945 Heenan and Froude acquired the holding in Associated Locomotive Equipment Ltd from Caprotti Valve Gears Ltd. This company now controlled all of Heenan and Froude's trading and patent rights in valve gears[7].

1945 Caprotti Valve Gears Ltd was merged into Associated Locomotive Equipment Ltd which now concentrated on diesel electric traction[8].

1961 Locomotive engineers, manufacturing precision equipment for railway purposes. [9]

1962 the contribution to Heenan and Froude by Associated Locomotive Equipment in recent years had been negligible but efforts were being made to develop a new line to replace valve gear for steam engines[10].

See Also


Sources of Information

  1. Locomotive Management - Cleaning, Driving And Maintenance, by T. Hodgson
  2. The Times, 6 June 1936
  3. The Times, 18 June 1936
  4. The Times, 26 October, 1937
  5. The Times, 17 November 1938
  6. The Times, 19 December 1944
  7. The Times, 2 January 1945
  8. The Times, 24 December 1945
  9. 1961 Guide to Key British Enterprises
  10. The Times, 18 December 1962