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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0228035 (1994-04-15) |
우선권정보 | JP-0115446 (1993-04-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
The invention is directed to a method for easy and reliable manufacture of a silencer constructed with a multi-perforated inner tube and an outer tube, between which a sound-absorbing material such as glass wool, etc. is filled in, without use of a binding agent, etc. The invention is also directed
An apparatus for manufacturing a silencer with sound-absorbing material filled in a space between a multi-perforated inner tube and an outer tube, which apparatus comprises: driving means for rotationally driving said inner tube, which driving means holds at least the inner tube thereon and rotation
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