"The invention of numerous fluting devices during the period 1860 to 1890 revolutionized previous methods for crimping, ruffling and pleating fabrics. These new fluting devices produced ruffles by pressing dampened fabric between two intermeshing, heated ribbed (fluted) surfaces." Irons By Irons, page 55

Here is a list of all fluting machine patents in class 223/32 (Apparel Apparatus/Intermeshing Teeth).