Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Starting material is nonhollow planar finite length preform...
Reexamination Certificate
2007-02-27
2007-02-27
Lee, Edmund H. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Starting material is nonhollow planar finite length preform...
C264S135000, C264S246000, C264S255000, C264S267000
Reexamination Certificate
active
10465340
ABSTRACT:
A key top member for a push button switch structure capable of facilitating change and modification of a design while eliminating deformation and misregistration of a display section, being accommodated to a variety of data, being increased in design properties and visibility, and being reduced in manufacturing cost. An upper resin sheet made of thermoplastic resin and having display sections such as a letter, a symbol, a pattern or the like printed thereon is formed with projections having configurations conforming to outer configurations of key top elements. The projections are each securely provided therein with a filler member made of photo-setting resin directly or through an adhesive.
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Mieno Satoshi
Nagasawa Tsutomu
Shimizu Takao
Shizukuda Yoshinari
Lee Edmund H.
Lerner David Littenberg Krumholz & Mentlik LLP
Shin-Etsu Polymer Co. Ltd.
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