JPH0218892U - - Google Patents
Info
- Publication number
- JPH0218892U JPH0218892U JP9823088U JP9823088U JPH0218892U JP H0218892 U JPH0218892 U JP H0218892U JP 9823088 U JP9823088 U JP 9823088U JP 9823088 U JP9823088 U JP 9823088U JP H0218892 U JPH0218892 U JP H0218892U
- Authority
- JP
- Japan
- Prior art keywords
- door
- sound absorbing
- sheet made
- door frame
- constitute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011358 absorbing material Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
Description
第１図ａ，ｂは本考案の一実施例の断面図、正
面図、第２図は同上のドア枠の斜視図、第３図は
同上の透過損失を示すグラフ、第４図ａ，ｂは、
吸音シートの断面図、第５図は、吸音シートの吸
音率の一般的な特性を示すグラフである。第６図
は、本考案の第２実施例の断面図、第７図は従来
例の断面図、第８図ａ，ｂは同上の問題点を説明
する説明図、グラフ、第９図は同上の透過損失を
示すグラフである。
図面において、１はドア、１ａは端面、２はド
ア枠、２ａは内側面、３は吸音シートである。
Figures 1 a and b are a cross-sectional view and front view of an embodiment of the present invention, Figure 2 is a perspective view of the door frame of the above, Figure 3 is a graph showing the transmission loss of the same, and Figures 4 a and b teeth,
FIG. 5, which is a cross-sectional view of the sound-absorbing sheet, is a graph showing general characteristics of the sound-absorbing coefficient of the sound-absorbing sheet. FIG. 6 is a sectional view of the second embodiment of the present invention, FIG. 7 is a sectional view of the conventional example, FIGS. It is a graph showing the transmission loss of. In the drawings, 1 is a door, 1a is an end surface, 2 is a door frame, 2a is an inner surface, and 3 is a sound absorbing sheet.
Claims (1)
ドア枠の内側面との少なくとも一方に、ゴムある
いは樹脂からなる軟質シートと多孔質吸音材を二
重に重ねた吸音シートを、軟質シート層が表面に
くるように配設して成ることを特徴とする防音ド
ア。 A sound absorbing sheet made of a double layer of a soft sheet made of rubber or resin and a porous sound absorbing material is applied to at least one of the end surface of the door and the inner surface of the door frame, which constitute the gap between the door and the door frame. A soundproof door characterized in that the door is arranged so that it faces the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9823088U JPH0218892U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9823088U JPH0218892U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218892U true JPH0218892U (en) | 1990-02-07 |
Family
ID=31324310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9823088U Pending JPH0218892U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026263A (en) * | 2011-09-16 | 2012-02-09 | Kashiwa Mokko Kk | Sound insulation door |
-
1988
- 1988-07-25 JP JP9823088U patent/JPH0218892U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026263A (en) * | 2011-09-16 | 2012-02-09 | Kashiwa Mokko Kk | Sound insulation door |