抄録
The rotary type beater, such as the saw toothed beater of a cotton opener and picker, performs good opening action, but for effective cleaning action a special mechanism is needed.
Model D Opener of our designing is intended for effective cleaning and has given good results. In this report we describe the mechanical feature of our new opener and report the results of tests by some mills. This opener is also good for the short-cut system of opening and picking process for cotton and for the opening process for rayon.
