The Collaborative International Dictionary of English v.0.48:

Gauffering \Gauf"fer*ing\, n.
   A mode of plaiting or fluting.
   [1913 Webster]

   Gauffering iron, a kind of fluting iron for fabrics.

   Gauffering press (Flower Manuf.), a press for crimping the
      leaves and petals into shape.
      [1913 Webster]

WordNet (r) 3.0 (2006):

gauffering iron
    n 1: an iron used to press pleats and ridges [syn: goffer,
         gauffer, goffering iron, gauffering iron]