| 摘要 |
PURPOSE:To attain to enhance working efficiency and to reduce manufacturing cost, by forming a plurality of recessed parts to a transparent or translucent plastic sheet so as to provide proper intervals and printing predetermined display printing parts in the recessed parts before performing the injection molding of a resin forming a button main body in said recessed parts. CONSTITUTION:For example, four recessed parts 6 are formed to a plastic sheet 5 and, at the same time, an injection orifice 7 for injecting a resin for a button main body later is formed thereto. Subsequently, a predetermined display printing part 8 is printed in each recessed part 6 so that accurate display can be visually recognized when the sheet 5 is sawn through from the opposite surface thereof. Next, plastic is injected in the recessed parts 6 through the injection port 7 to mold button main bodies 10. The runners 13 formed at this time and the plastic sheet 5 are cut to obtain individual press buttons 9. Each printing part 8 can be altered and only the molds of the single button main body 10 and the coating layer 11 are required while working efficiency can be enhanced and cost can be reduced. |
