| 摘要 |
FIELD: food preparing equipment. SUBSTANCE: method involves attaching perforated plate or grid to utensil bottom by forging in closed die through percussion actions in cold state with resultant passage of bottom metal into grid cells or perforations of plate; simultaneously with forging process, forming sequence of alternating ridges and slots on perforated plate or grid surface, as well as on utensil bottom surface. EFFECT: increased efficiency and improved quality of utensils. 5 cl, 5 dwgi |
