Title:
樹脂成形体および受け治具、並びにこれらを用いた押釦スイッチ用部材の製造方法
Document Type and Number:
Japanese Patent JP4909354
Kind Code:
B2
Abstract:
[Object] In order to separate resin molded parts which are used for a push button switch member with less light leakage from the side faces and less trouble in key operation, easily. [Solving Means] A resin molded body 10 comprises one or more resin molded parts 12 for a push button switch member, a frame 14 surrounding the outside of the resin molded parts 12, one or more gates 16 connecting a plurality of the resin molded parts 12 each other or the resin molded part 12 to the frame 14 and one or more runners 18 crossing the longitudinal direction of the gates 16, wherein the gates 16 are connected at the back faces 12b of the resin molded parts 12 not to be painted with light shielding paint, and wherein the runners 16 are connected to the gates 16 on the same surfaces as the resin molded parts 12 are connected to and are connecting to opposing sides of the frame 14.
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Inventors:
Tomohiro Nakayama
Suzuki Kuro
Suzuki Kuro
Application Number:
JP2008534354A
Publication Date:
April 04, 2012
Filing Date:
September 12, 2007
Export Citation:
Assignee:
Shin-Etsu Polymer Co., Ltd.
International Classes:
B29C45/27; H01H11/00; H01H13/14
Domestic Patent References:
| JP2006185700A | ||||
| JP1183019A | ||||
| JP2002052572A |
Attorney, Agent or Firm:
Iat International Patent Business Corporation