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Patent Searching and Data


Title:
KEY SWITCH MANUFACTURING METHOD AND KEY SWITCH
Document Type and Number:
WIPO Patent Application WO/2013/042798
Kind Code:
A1
Abstract:
Provided is a method for manufacturing a key switch by which a key top and a plunger are formed as a single unit at both sides of a film. According to the present invention, a first forming die (5) is prepared which comprises a first molding depression (7) for forming a key top (2). An ultraviolet curing resin (10) is filled in the first molding depression (7), and then a light-permeable base material film (1) is placed thereon. The key top (2) is formed at one side of the base material film (1) by irradiation through the base material film (1). A non-light permeable print layer (3) is formed at the other side of the base material film (1) where the key top (2) is formed, and a light-permeable second forming die (6) is prepared which comprises a second molding depression (8) for forming a plunger (4). After filling the ultraviolet curing resin (10) in the second molding depression (8), the base material film (1) where the key top (2) is formed is placed thereon, and light is applied through the second forming die (6) so that the plunger (4) is formed at a surface of the base material film (1) where the print layer is formed.

Inventors:
TASHIRO SUNAO (JP)
TSUTSUMI KEISUKE (JP)
FUJIBAYASHI MINORU (JP)
Application Number:
JP2012/074817
Publication Date:
March 28, 2013
Filing Date:
September 20, 2012
Export Citation:
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Assignee:
TATEHO CHEMICAL INDUSTRIES CO.,LTD. (974 Aza Kato, Kariya Ako-sh, Hyogo 39, 〒6780239, JP)
International Classes:
H01H11/00; H01H3/12; H01H13/14
Domestic Patent References:
WO2009044839A12009-04-09
Foreign References:
JP2011175815A2011-09-08
JP2007073483A2007-03-22
JP2006106229A2006-04-20
JP2009186834A2009-08-20
JPH08119664A1996-05-14
JPH10279319A1998-10-20
JP2001048571A2001-02-20
JP2001302275A2001-10-31
Attorney, Agent or Firm:
MORIMOTO, Naoyuki (Room 902, Uchihonmachi Viewheights 1-3-10, Uchihonmachi, Chuo-ku, Osaka-sh, Osaka 26, 〒5400026, JP)
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Claims: