Apparatus for cutting lengths of heatfusible fabric and sealing the cut edges thereof

Claim 1

IN AN APPARATUS FOR CUTTING LENGTHS OF HEAT-FUSIBLE FABRIC AND SEALING THE CUT EDGES THEREOF, A BASE MEMBER, A FLAT WORK-SUPPORTING BOARD SUPPORTED BY SAID BASE MEMBER, SAID BOARD BEING MOVABLE LONGITUDINALLY TO SELECTED OPERATIVE POSITIONS WITH RESPECT TO SAID BASE MEMBER, AN ANVIL DISPOSED TRANSVERSELY ALONG SAID BOARD AND POSITIONED TO RECEIVE THEREOVER A WEB OF SAID FABRIC OPERATIVELY SUPPORTED BY SAID BOARD, SAID ANVIL BEING ADJUSTABLY MOVABLE TO SELECTED OPERATIVE POSITIONS WITH RESPECT TO SAID BOARD, A CUTTING MEMBER POSITIONED AT A LEVEL FOR OPERATIVE ENGAGEMENT WITH THE TOP OF SAID ANVIL WHEN THE LATTER IS IN AN OPERATIVE POSITION BELOW THE CUTTING MEMBER, HEATING MEANS CONNECTED TO SAID CUTTING MEMBER, A TRACK MEMBER IN FIXED RELATION TO SAID BASE MEMBER AND DISPOSED AT A LEVEL ABOVE THAT OF SAID ANVIL AND EXTENDING IN PARALLEL RELATION THERETO, A CARRIAGE SUPPORTING SAID CUTTING MEMBER AND SAID HEATING MEANS AND MOVABLE ALONG SAID TRACK MEMBER, AND MEANS FOR MOVING SAID CARRIAGE ALONG SAID TRACK MEMBER, WHEREBY SAID CUTTING MEMBER WILL OPERATIVELY ENGAGE, CUT AND SEAL THE PORTION OF SAID FABRIC OVERLYING SAID ANVIL ALONG A LINE PARALLEL TO THE PATH OF TRAVEL OF SAID CARRIAGE WHEN THE ANVIL IS IN ITS SAID OPERATIVE POSITION BELOW SAID CUTTING MEMBER.