For combing process lap former machine is used. It is also called combing preparation machine. The lap former has, furthermore, the task of forming the interfacing or lap, which is employed to feed the comber machine (https://textilelearner.net/comber-machine-types-combing-process-and-basic-elements/). The lap is obtained by doubling a certain number of slivers (from16 to 32) previously subject to a drawing passage. The slivers are fed side by side, passing, through rollers and stop motion.
