Moving coloured image publicity display system - uses double transparent film which is advanced by rollers

摘要

The image display system has a frame in which are arranged two rollers(20, 21) between whichh a film is driven. The film carries a series of images which are successively stopped at the front face of the frame. The film is a double transparent type(4) which forms a sereis of envelopes each designed to receive one of the images to be exposed. The images can be formed on any material such as for example paper. The envelopes have an opening(5) to permit introduction of images. The envelopes having a pressure sealing means.