JPS58135814U - fireproof wire - Google Patents
fireproof wireInfo
- Publication number
- JPS58135814U JPS58135814U JP3211782U JP3211782U JPS58135814U JP S58135814 U JPS58135814 U JP S58135814U JP 3211782 U JP3211782 U JP 3211782U JP 3211782 U JP3211782 U JP 3211782U JP S58135814 U JPS58135814 U JP S58135814U
- Authority
- JP
- Japan
- Prior art keywords
- fire
- resistant
- electric wire
- conductor
- polyolefin resin
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の耐火電線の横断面図、第２図は耐火絶
縁層を構成する耐火絶縁テープの縦断面図、第３図は集
成マイカ箔の拡大断面図、第４図は耐火電線を３０分間
で８４０°Ｃに加熱したときの絶縁抵抗曲線である。
・
１：導体、２：耐火絶縁層、３：絶縁被覆層、４：難燃
性プラスチックシース、５：マイカ鱗片、６：ポリオレ
フィン樹脂、７：集成マイカ箔、８：ポリオレフィン樹
脂フィルム又は無機繊維布、１曲線：シリコン樹脂を含
浸結合させた集成マイカ箔とガラス繊維布とを貼り合せ
た耐火絶縁テープを使用した耐火電線における曲線、２
曲線：シリコン樹脂を含浸結合させた集成マイカ箔とポ
リエチレン樹脂フィルムとを貼り合せた耐火絶縁テープ
を使用した耐火電線における曲線、３曲線：ポリエチレ
ン樹脂を含浸結合させた集成マイカ箔どガラス繊維とを
貼り合せた耐火絶縁テープを使用した耐火電線における
曲線、４曲線：ポリエチレン樹脂を含浸結合させた集成
マイカ箔とポリエチレン樹脂フィルムとを貼り合せた耐
火絶縁テープを使用した耐火電線における曲線。Figure 1 is a cross-sectional view of the fire-resistant electric wire of the present invention, Figure 2 is a longitudinal cross-sectional view of the fire-resistant insulating tape constituting the fire-resistant insulation layer, Figure 3 is an enlarged cross-sectional view of the laminated mica foil, and Figure 4 is the fire-resistant electric wire. This is an insulation resistance curve when heated to 840°C for 30 minutes.
・ 1: Conductor, 2: Fireproof insulation layer, 3: Insulation coating layer, 4: Flame-retardant plastic sheath, 5: Mica scale, 6: Polyolefin resin, 7: Laminated mica foil, 8: Polyolefin resin film or inorganic fiber cloth , 1 curve: Curve for fire-resistant electric wire using fire-resistant insulating tape made by bonding laminated mica foil impregnated with silicone resin and glass fiber cloth, 2
Curve: A curve for a fire-resistant electric wire using a fire-resistant insulating tape made by bonding a laminated mica foil impregnated with a silicone resin and a polyethylene resin film.Curve 3: A curve for a laminated mica foil bonded with a polyethylene resin and glass fiber. Curves for fire-resistant electric wires using bonded fire-resistant insulating tape, 4 curves: Curves for fire-resistant electric wires using fire-resistant insulating tape made by bonding laminated mica foil impregnated with polyethylene resin and polyethylene resin film.
Claims (1)
覆した絶縁線芯の１個または２個以上を集束した線芯上
に難燃性プラスチックシースを施した耐火電線において
、前記耐火絶縁層がポリオレフィン樹脂を含浸結合させ
た集成マイカ箔とポリオレフィン樹脂フィルムまたは無
機質繊維布とを貼り合せたもので構成させたものからな
る耐火電線。A fire-resistant electric wire in which a fire-resistant insulating layer is provided on the conductor, and a flame-retardant plastic sheath is applied to the wire core, which is a bundle of one or more insulated wire cores that are covered with an insulating coating layer on the outside thereof, and the fire-resistant insulating layer is provided on the conductor. A fire-resistant electric wire whose layers are composed of laminated mica foil impregnated with polyolefin resin and laminated with polyolefin resin film or inorganic fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3211782U JPS58135814U (en) | 1982-03-09 | 1982-03-09 | fireproof wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3211782U JPS58135814U (en) | 1982-03-09 | 1982-03-09 | fireproof wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58135814U true JPS58135814U (en) | 1983-09-12 |
Family
ID=30043753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3211782U Pending JPS58135814U (en) | 1982-03-09 | 1982-03-09 | fireproof wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58135814U (en) |
-
1982
- 1982-03-09 JP JP3211782U patent/JPS58135814U/en active Pending
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