Method for filling silencer with sound absorbing material

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12188389
APP PUB NO 20230287815A1
SERIAL NO

18018155

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Abstract

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A method for filling a silencer with a sound absorbing material in which an inside of a shell is partitioned into a plurality of silencing chambers by a separator and at least one silencing chamber is filled with the material, the method including: forming a hole at the silencing chamber to be filled with the material in the shell; inserting a filling nozzle into the silencing chamber from the hole; injecting the material from the filling nozzle into the silencing chamber S2 for filling; and externally sealing the hole opening to the shell with a hole sealing member. An outer peripheral flange portion is abutted on and welded to an outer surface of the shell to seal the hole with the hole sealing member 8 allowing stably holding the silencer and easily filling the silencer with the material irrespective of a shell shape and a structure inside the shell.

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Patent Owner(s)

Patent OwnerAddress
YUTAKA GIKEN CO LTDSHIZUOKA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maruyama, Takeshi Hamamatsu, JP 38 339
Okoshi, Katsunori Hamamatsu, JP 2 4
Saito, Akihito Hamamatsu, JP 20 88
Shirai, Kazuyuki Hamamatsu, JP 9 75
Suto, Yusuke Hamamatsu, JP 1 1

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