JPH0218893U - - Google Patents
Info
- Publication number
- JPH0218893U JPH0218893U JP9823188U JP9823188U JPH0218893U JP H0218893 U JPH0218893 U JP H0218893U JP 9823188 U JP9823188 U JP 9823188U JP 9823188 U JP9823188 U JP 9823188U JP H0218893 U JPH0218893 U JP H0218893U
- Authority
- JP
- Japan
- Prior art keywords
- door
- door frame
- face
- sound absorbing
- wood
- 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
- 239000002184 metal Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 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図は穴あき吸
音板の部分断面図、第５図は穴あき吸音板の吸音
率の一般的特性を示すグラフ、第６図は本考案の
第２実施例、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り、１
はドア、１ａは端面、２はドア枠、２ａは内側面
、３は穴あき吸音板である。
Figures 1a and b are a cross-sectional view and a front view of an embodiment of the present invention, Figure 2 is a perspective view of the same door frame, Figure 3 is a graph showing the transmission loss of the same as the above, and Figure 4 is a perforated door frame. FIG. 5 is a graph showing general characteristics of the sound absorption coefficient of a perforated sound absorption board; FIG. 6 is a second embodiment of the present invention; FIG. 7 is a sectional view of a conventional example; FIG. Diagram a
, b are explanatory diagrams and graphs explaining the above problems,
FIG. 9 is a graph showing the transmission loss of the same as above, and 1
1 is a door, 1a is an end surface, 2 is a door frame, 2a is an inner surface, and 3 is a perforated sound absorbing board.
Claims (1)
ドア枠の内側面との少なくとも一方に、金属ある
いは木材、プラスチツクなどからなる穴あき吸音
板を背後に空気層を設けて、配設して成ることを
特徴とする防音ドア。 A perforated sound absorbing board made of metal, wood, plastic, etc. is provided with an air layer behind it on at least one of the end face of the door and the inner face of the door frame, which constitute the gap between the door and the door frame. A soundproof door characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9823188U JPH0218893U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9823188U JPH0218893U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218893U true JPH0218893U (en) | 1990-02-07 |
Family
ID=31324312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9823188U Pending JPH0218893U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005155155A (en) * | 2003-11-25 | 2005-06-16 | Yoichiro Kuroiwa | Soundproof door |
-
1988
- 1988-07-25 JP JP9823188U patent/JPH0218893U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005155155A (en) * | 2003-11-25 | 2005-06-16 | Yoichiro Kuroiwa | Soundproof door |