Birch have designed a heavy duty portable sewing machine to sew 12 rows of double chain stitch sufficient to withstand over 10,000 Kg tension. for use in tyre cord industry. can be used as a back-up machine to the 80BA-HD Tire cord sewing machine. Machines are available with 250mm, 500mm or 1000mm throat.

  See leaflet SL TC-80-BAP