Dispensing apparatus for fabrication of transistors and the like

申请号 US25338863 申请日 1963-01-23 公开(公告)号 US3190498A 公开(公告)日 1965-06-22
申请人 PHILCO CORP; 发明人 BAYHA CARL F;
摘要
权利要求
1. A SYSTEM FOR FEEDING MEASURED AMOUNTS OF PASTE, COMPRISING A PORTED RESERVOIR STRUCTURE FOR PASTE; A VALVE HAVING A PORTED RECESS, SAID VALVE BEING MOVABLE IN SAID PORTED STRUCTURE AND INCLUDING LIMIT SWITCH MEANS; A PLUNGER RECIPROCABLE IN SAID VALVE TO DISCHARGE PASTE THEREFROM THROUGH SAID PORTED STRUCTURE; FIRST POWER MEANS FOR RECIPROCABLY MOVING THE VALVE IN SAID PORTED STRUCTURE; SECOND POWER MEANS FOR RECIPROCABLY MOVING THE PLUNGER ON SAID VALVE; AND CONTROL MEANS INCLUDING RELAY MEANS CONTROLLING SAID SEVERAL POWER MEANS FOR SUCCESSIVELY ACTUATING THE FIRST AND SECOND POWER MEANS TO MOVE THE VALVE AND PLUNGER, RESPECTIVELY, TO FIRST POSITIONS IN SAID STRUCTURE TO CAUSE FILLING TO SAID RECESS WITH PASTE FROM SAID RESERVOIR, FOR THEN ACTUATING THE FIRST POWER MEANS TO MOVE THE VALVE TO A SECOND POSITION THEREOF FOR DISCHARGE OF PASTE, AND FOR FINALLY, WHEN THE VALVE HAS REACHED THE SECOND POSITION, ACTUATING THE LIMIT SWITCH MEANS TO ACTUATE THE RELAY MEANS AND THEREBY THE SECOND POWER MEANS TO MOVE THE PLUNGER TO A SECOND POSITION THEREOF FOR SAID DISCHARGE.
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