The Typographic Hub

The ‘Rocor’

7th July 2013

The Rocor round cornering machine

The “Rocor’ was designed in 1950 by O. Eigeldinger for Oscar Friedheim Ltd, London. Its purpose was to round and turn-in the corners of bookcases. It could operate at speeds of 1,200, 1,800 or 2,400 corners per hour depending on the type of work that it was handling and it could manage run-on quantities at the same speeds, as well as intermittent operations on individual copies. The ‘Rocor’ was simple to use and totally power driven. It was compact, free from projecting parts, economical in floor space and the driving unit at the base of the machine was easily accessible for maintenance. It complied with all modern safety standards and was fitted with guards and stop mechanisms. Accuracy, reliability and endurance were its key features and the manufacturers guaranteed a high-class finish on all work produced by the machine. Great attention had been given the appearance of the finished product: metal discs, having a surface patterned to coincide with the grain of the cloth being used, could be sunk in the base-plate so that after the impression the cloth could retain its pattern; and the plunger head produced an effect of pleating on the inside of the corners. The ‘Rocor’ handled all kinds of materials, any reasonable thickness of case, and any radius of corner.