A42CMANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATSIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. A42C1/00 A42C1/00Manufacturing hats A42C1/02Making hat-batsBat-forming machinesConical bat machinesBat-forming tools A42C1/04BlockingPressingSteamingStretching A42C1/06Manipulation of hat-brims A42C1/08Hat-finishing, e.g. polishing, ironing, smoothing, brushing, impregnating, stiffening, decorating A42C2/00Manufacturing helmets by processes not otherwise provided for A42C2/002In-mould forming A42C2/005Forming from solid sheets A42C2/007Manufacturing custom-sized helmets A42C3/00Miscellaneous appliances for hat-making, e.g. for making wire forms for hat-frames sewing-machines for straw hats D05B; sewing- machines for making hat-brims D05BApparatus for changing the form or size of finished hats A42C3/02Hat-block holders A42C3/04Stands for trimming ladies' hats A42C3/06Apparatus for measuring hats A42C5/00Fittings or trimmings for hats, e.g. hat-bands A42C5/02Sweat-bands A42C5/04Ventilating arrangements for head coverings for helmets A42B3/28 A42C99/00Subject matter not provided for in other groups of this subclass