Title:
【考案の名称】密封ケース
Document Type and Number:
Japanese Patent JPH0530846
Kind Code:
U
Abstract:
A sealed case comprises a communication hole in an outer wall of the case for communicating the inside and outside of the case, and the communication hole is closed by a seal element comprising a highly restorable elastic element having airtightness.
Inventors:
Masahiro Hayakawa
Application Number:
JP8887391U
Publication Date:
April 23, 1993
Filing Date:
October 03, 1991
Export Citation:
Assignee:
Asahi Optical Co., Ltd.
International Classes:
A63B41/12; G03B17/08; (IPC1-7): G03B17/08
Domestic Patent References:
| JPS6217545U | 1987-02-02 |
Attorney, Agent or Firm:
Kanai Hideyuki
Next Patent: 防水ハウジング