PAINTING METHOD FOR FINISHING OUTER SURFACE OF TWO-PIECE CAN BODY AND OUTER SURFACE FINISH-PAINTED TWO-PIECE CAN

摘要

PURPOSE:To obtain an outer surface finished two-piece can excellent in the combination of abrasion resistance and pasteurization resistance by using a gravure roll wherein deep carving is applied to the whole of the peripheral parts corresponding to both upper and lower end parts of a can bdyy and shallow carving is applied to the whole of the peripheral part correspond to the central part thereof. CONSTITUTION:The top coat paint 50 of a gravure roll surface 42A is transferred to a coating roll surface 40A to be supplied to a can 10. The gravure roll surface 42A is divided into regions A' are arranged on both sides of the regions B' and the width of the region B' is almost same to the length of the central part of a two-piece can. The carving depth of the regions A' is set, for example, to 105 - 115mum and the carving depth of the region B' is shallower than said depth to be set, for example, to 85 - 95mum. The top coat paint 50 is respectively taken in the regions A', B' of the roll in predetermained amounts corresponding to the depth difference of carving to be transferred to a coating roll 40. The transferred paint 50 is leveled by a scraper roll to be applied to the outer peripheral surface of the can.