An open-topped casting mold and a matching mold are hingedly connected and are electrostatically coated with a powder screen; casting material is then poured into the molds without disturbing the powder by holding the powder in position with static electricity. The molds are pivoted together to provide...http://www.google.fr/patents/US4755245?utm_source=gb-gplus-shareBrevet US4755245 - Method for conditioning a permanent adhesive composition in the form of blocks or sections
Method for conditioning a permanent adhesive composition in the form of ...