Spiraflite
of Potton, Beds
1962 Company formed[1]
1963 Maker of agricultural auger flighting.
1968 Silver-Felber Group planned to spin off the company which was growing rapidly[2]
1968 Maker of flight-forming machines, which were used to make Archimedian screws for combined harvesters; large US order[3]
1968 Exhibited Ideal Allman Propcorn Applicator, used to treat stored grain[4]
1969 Became a public company.
1970 Marshall Conveyors was a member of the Spiraflite group of companies[5]
1970 Petition for winding up[6]. The Spiraflite group had been one of Britain's largest producers of agricultural and grain storage equipment[7]