1988 Development of the double trough glue blender. The fibrous and long particles were unfortunately broken and smoothened in the glue blenders used in that time. Gisiger Technik therefore developed the particle-protecting double trough glue blender to maintain the quality of the particles.
1991 Development of the first chipper for recycled wood which produces cleanable chips and is largely unaffected by fragments like metal, stone etc.
1998 Development of sorting machines for continuous cleaning and sorting of recycled materials e.g. wood that is contaminated with textiles and cannot be processed with normal screens.