| http://www.w3.org/ns/prov#value | - In the production of cast hard compounds by a continuous process of the invention employing 1938, Serial No. 194,109 (01. -137) the form of the apparatus shown in Fig. 1, a mix 21, consisting of the desired ingredients, suitably in comminuted form, in the desired proportions together with a carbonaceous binder such as pitch, glue, or oil, or other binder, is placed in a mixing chamber 24 which sui
|
