IPC 2013 : D06C 9/04 : by contact with heated elements.

IPC2013 > D > D06 > D06C > D06C 9/00 > D06C 9/04[1] > by contact with heated elements.
Notes[t] D01 - D07: TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D SECTION D — TEXTILES; PAPER.
D06 TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR.
D06C FINISHING, DRESSING, TENTERING, OR STRETCHING TEXTILE FABRICS (chemical matters, see D06L - D06Q; drying F26B).
D06C 9/00 Singeing (for making patterns or designs D06C 23/02).
D06C 9/04 · by contact with heated elements.