Coin and trim machine

Claim 1

A MACHINE FOR REDUCING THE THICKNESS OF A LAP SEAM WELD CONNECTING THE ENDS OF METAL STRIP MATERIAL AND FOR TRIMMING THE SIDE EDGES OF THE STRIP MATERIAL AT THE WELD AREA TO REMOVE WELD PORTIONS PROJECTING OUTSIDE OF THE NORMAL EDGES OF THE STRIP MATERIAL WHICH MACHINE COMPRISES AN UPRIGHT PRESS FRAME AND A PAIR OF COINING DIE MEMBERS, SAID COINING DIE MEMBERS BEING DISPOSED IN OPPOSED RELATION WITH ONE DIE MEMBER THEREOF BEING MOUNTED FOR VERTICAL RECIPROCATION BETWEEN AN OPEN AND CLOSED POSITION RELATIVE TO THE OTHER DIE MEMBER SO AS TO ENGAGE AND FLATTEN THE THICKENED WELD AREA OF THE STRIP ENDS WHEN PLACED BETWEEN THE SAME, TRIMMING KNIVES AT OPPOSITE SIDES OF THE ONE DIE MEMBER WHICH CO-OPERATE WITH OPPOSITE EDGES OF THE OTHER DIE MEMBER TO TRIM MATERIAL EXTENDING OUTWARDLY OF SAID EDGES, STOP MEMBERS ON THE EDGES OF SAID OTHER DIE MEMBER WHICH ARE SPACED TO CLEAR THE TRIMMING KNIVES AND WHICH PERMIT PROJECTING WELD PORTIONS TO EXTEND BEYOND THE EDGES OF THE DIES WHEN THE WELDED STRIP MATERIAL IS POSITIONED WITH AN EDGE THEREOF AGAINST THE STOP MEMBERS, SAID TRIMMING KNIVES AND SAID STOP MEMBERS BEING SPACED ON OPPOSITE SIDES OF THE DIE MEMBERS A DISTANCE WHICH IS GREATER THAN THE MAXIMUM WIDTH OF THE WELDED STRIP MATERIAL SO THAT WHEN THE WELDED STRIP MATERIAL IS POSITIONED BETWEEN THE DIE MEMBERS IT MAY BE MOVED LATERALLY IN EITHER DIRECTION TO POSITION THE EDGE THEREOF AGAINST THE STOP MEMBERS, MEANS TO GRIP THE STRIP MATERIAL MOUNTED FOR RECIPROCATION IN A LATERAL PATH, AND MEANS TO RECIPROCATE THE DIE MEMBERS AND THE STRIP GRIPPING MEANS IN TIMED RELATION SO AS TO FIRST BRING THE DIE MEMBERS TOGETHER TO COIN THE WELD AREA, THEN TO SEPARATE THE DIE MEMBERS AND FREE THE STRIP MATERIAL SO THAT IT MAY BE SHIFTED LATERALLY TO SUCCESSIVELY POSITION THE EDGES AGAINST THE STOP MEMBERS AT ONE SIDE OF THE DIE MEMBER AND THEREAFTER AGAINST THE STOP MEMBERS AT THE OPPOSITE SIDE THEREOF WHILE THE DIE MEMBERS RECIPROCATE IN TIMED RELATION AND TRIM THE EDGES OF THE STRIP MATERIAL.