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Patent Searching and Data


Title:
DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2019/209062
Kind Code:
A1
Abstract:
The present invention relates to a diaphragm. According to one embodiment of the present invention, the diaphragm comprises: a diaphragm part including a central part and a surrounding part disposed so as to encompass the central part; and a reinforcing part coupled to one surface of the central part, wherein the reinforcing part includes a support surface, for supporting the reinforcing part, and at least one protrusion part protruding from the support surface. According to the present invention, the reinforcing part can be formed partially across the central part and the surrounding part of the diaphragm part such that strength and elasticity of the diaphragm can be maximized even when the diaphragm is manufactured using a thin synthetic resin film.

Inventors:
PARK, Raebuem (503ho 112dong, 14 Geumhwa-ro 82beon-gil,Giheung-Gu, Yongin-Si, Gyeonggi-do, 17072, KR)
Application Number:
KR2019/005042
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
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Assignee:
PACHEM KOREA CO.,LTD (902ho, 102 Olympic-ro,Songpa-Gu, Seoul, 05557, KR)
PARK, Raebuem (503ho 112dong, 14 Geumhwa-ro 82beon-gil,Giheung-Gu, Yongin-Si, Gyeonggi-do, 17072, KR)
International Classes:
H04R7/12
Attorney, Agent or Firm:
LEE, Jaeman (405ho, 111 Digital-ro 26-gilGuro-Gu, Seoul, 08390, KR)
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