Key top plate
AssigneeTeikoku Tsushin Kogyo Co., Ltd.
InventorsTatsuya Okamura, Kimitane Kimura, Yasuo Kojima, Atsushi Hari, Shinji Mizuno
Life of this patent
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Abstract
A first film plate 20 and a second film plate 40, each made of flexible resin film, are attached to a top surface and a bottom surface of a key top 30 made of mold-resin, respectively, so as to cover the key top 30. The first film plate 20 is pressed upward to form a recessed portion 23, the key top 30 is molded within this recessed portion 23. The second film plate 40 is arranged on the bottom surface of the key top 30. All of the first film plate 20, the key top 30, and the second film plate 40 are transparent. Decorative layers 21 and 41 are formed on the first film plate 20 and the second film plate 40, respectively.
Claims13
A key top plate, in which a first film plate comprising a flexible transparent resin film is deformed upwardly to form a recessed portion, with a key top made of transparent mold-resin being molded within said recessed portion, and a second film plate comprising a flexible transparent resin film is disposed on an under surface of said key top, with a protrusion for injection of molten resin being formed so as to extend outwardly from a lower circumferential portion of said key top.
Dependencies are inferred from the claim text.