Title:
WATERPROOF CASE
Document Type and Number:
Japanese Patent JP2001137032
Kind Code:
A
Abstract:
To provide a high waterproofness.
A hollow tube packing 21 constituted of an elastic member is arranged between a case body 2 and annular bonding surfaces 2c and 3c of a case lid body 3 of this waterproof case 1. After fixing the case body 2 and the case lid body 3 by crimping with a cramp 4, the inside of the hollow tube packing 21 is pressurized with air by an air pump 24. Thus, by the uniform pressure on the total periphery of the hollow tube packing 21, the bonding surfaces 2c and 3c are sealed under a completely watertight state.
Inventors:
HIRAKI HIROSHI
Application Number:
JP32660499A
Publication Date:
May 22, 2001
Filing Date:
November 17, 1999
Export Citation:
Assignee:
SONY CORP
International Classes:
G03B17/08; A45C11/22; A45C11/38; H04N5/225; (IPC1-7): A45C11/38; G03B17/08; H04N5/225
Attorney, Agent or Firm:
Atsuo Waki (1 person outside)