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    • 33. 发明专利
    • INFLATING SEAL FOR INSULATING SOUND THROUGH GAP
    • JPH0483082A
    • 1992-03-17
    • JP19541690
    • 1990-07-24
    • KAWASAKI HEAVY IND LTD
    • AKIMOTO KAZUYUKISATOMI TAKAYUKI
    • E06B7/16E06B7/23
    • PURPOSE:To seal surely a gap for improving a sound insulating property by forming an inflating seal of a base provided in a holding member on an opening part and a hollow tube-like part molded integrally with the base to be expanded and contracted by compressed air. CONSTITUTION:An inflating seal 10 is formed of a base 11 mounted to a retainer 3 and a hollow tube-like part 12, and a collar 13 is provided extendedly throughout the whole length of both sides of the base 11. An air discharge groove 14 is provided in a part of the tube like part 12 contacting the base 11, and the base 11 is inserted into a retainer 3 to be mounted thereto. When the inflating seal 10 is filled with compressed air, the tube-like part 12 of the inflating seal 10 is expanded to have a circular section and pressed against the surface of a door 5 to insulate sounds. When the door is opened, the air in the inflating seal 10 is discharged to deform the inflated seal 10 end part it from the surface of the door 5. Thus, cost can be reduced while sounds can be surely insulated.