JPH048594U - - Google Patents
Info
- Publication number
- JPH048594U JPH048594U JP4816490U JP4816490U JPH048594U JP H048594 U JPH048594 U JP H048594U JP 4816490 U JP4816490 U JP 4816490U JP 4816490 U JP4816490 U JP 4816490U JP H048594 U JPH048594 U JP H048594U
- Authority
- JP
- Japan
- Prior art keywords
- speaker diaphragm
- binder
- fabric
- backing material
- cutout
- 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
- 239000000463 material Substances 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920001567 vinyl ester resin Polymers 0.000 claims 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図及び第２図はこの考案に係るスピーカ振
動板の実施例を示し、第１図は振動板の平面図、
第２図は断面図である。第３図は従来例を示した
振動板の断面図である。
主な符号の説明、１……振動板２層構造の表面
材、２……振動板２層構造の裏面材、３……裏面
材に設けた抜部、４…裏面材。
1 and 2 show an embodiment of the speaker diaphragm according to this invention, and FIG. 1 is a plan view of the diaphragm,
FIG. 2 is a sectional view. FIG. 3 is a sectional view of a diaphragm showing a conventional example. Explanation of main symbols: 1...Surface material of diaphragm two-layer structure, 2...Back material of diaphragm two-layer structure, 3...Excess provided in back material, 4...Back material.
Claims (1)
然パルプを主材料として抄紙された裏面材とを接
着して構成したスピーカ振動板において、 上記裏面材に抜部を設けたことを特徴とするス
ピーカ振動板。 ２ 上記織物の構成糸の少なくとも一部が引張強
度４５００Kg／mm2以上の超延伸ポリエチレン繊
維と、上記バインダがビニールエステル樹脂とで
構成したことを特徴とする請求項１記載のスピー
カ振動板。[Scope of Claim for Utility Model Registration] 1. In a speaker diaphragm constructed by bonding a surface material made of a fabric and a binder and a backing material made from paper mainly made of natural pulp, the said backing material has a cutout. A speaker diaphragm characterized by being provided with. 2. The speaker diaphragm according to claim 1, wherein at least a part of the constituent threads of the fabric are made of ultra-stretched polyethylene fibers having a tensile strength of 4500 Kg/mm 2 or more, and the binder is made of vinyl ester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4816490U JPH048594U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4816490U JPH048594U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048594U true JPH048594U (en) | 1992-01-27 |
Family
ID=31564734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4816490U Pending JPH048594U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048594U (en) |
-
1990
- 1990-05-10 JP JP4816490U patent/JPH048594U/ja active Pending
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