JPS5817715U - light duct - Google Patents

light duct

Info

Publication number
JPS5817715U
JPS5817715U JP11263881U JP11263881U JPS5817715U JP S5817715 U JPS5817715 U JP S5817715U JP 11263881 U JP11263881 U JP 11263881U JP 11263881 U JP11263881 U JP 11263881U JP S5817715 U JPS5817715 U JP S5817715U
Authority
JP
Japan
Prior art keywords
light duct
light
port
duct
conduit
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.)
Granted
Application number
JP11263881U
Other languages
Japanese (ja)
Other versions
JPS6236185Y2 (en
Inventor
芳彦 柴田
勝弘 中橋
宏 伊藤
Original Assignee
日本板硝子株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本板硝子株式会社 filed Critical 日本板硝子株式会社
Priority to JP11263881U priority Critical patent/JPS5817715U/en
Publication of JPS5817715U publication Critical patent/JPS5817715U/en
Application granted granted Critical
Publication of JPS6236185Y2 publication Critical patent/JPS6236185Y2/ja
Granted legal-status Critical Current

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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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は光ダクトの家屋への設置例を示す模式的側面図
、第2図a、  b、  cは夫々本考案に係る光ダク
トの模式的斜視図、第3図は各種ダクトに対して行った
光束伝送率試−結果を示すグラフ、第4図は開光拡散度
試験結果を示すグラフである。 尚図面中1は光ダクト、1aは採光口、1bは放光口で
ある。
Fig. 1 is a schematic side view showing an example of installing a light duct in a house, Fig. 2 a, b, and c are schematic perspective views of the light duct according to the present invention, and Fig. 3 shows various types of ducts. FIG. 4 is a graph showing the results of the light flux transmission rate test conducted. FIG. 4 is a graph showing the results of the open light diffusivity test. In the drawing, 1 is a light duct, 1a is a light intake port, and 1b is a light emission port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内面を高反射面とした管路からなる光ダクトにおいて、
始端部(採光口)から末端部(放光口)にかけてその断
面積を漸次拡大するようにしたこ、とを特徴とする光ダ
クト。
In a light duct consisting of a conduit with a highly reflective inner surface,
A light duct characterized in that its cross-sectional area gradually increases from a starting end (lighting port) to a terminal end (light emitting port).
JP11263881U 1981-07-28 1981-07-28 light duct Granted JPS5817715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11263881U JPS5817715U (en) 1981-07-28 1981-07-28 light duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11263881U JPS5817715U (en) 1981-07-28 1981-07-28 light duct

Publications (2)

Publication Number Publication Date
JPS5817715U true JPS5817715U (en) 1983-02-03
JPS6236185Y2 JPS6236185Y2 (en) 1987-09-14

Family

ID=29906959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11263881U Granted JPS5817715U (en) 1981-07-28 1981-07-28 light duct

Country Status (1)

Country Link
JP (1) JPS5817715U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59156903U (en) * 1983-04-06 1984-10-22 株式会社ダイフク Transport vehicle guide device
JPS59156902U (en) * 1983-04-05 1984-10-22 株式会社ダイフク Transport vehicle guide device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963483B (en) * 2015-06-27 2017-11-17 浙江省工业设计研究院 Building interior printing opacity air-exchanging structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59156902U (en) * 1983-04-05 1984-10-22 株式会社ダイフク Transport vehicle guide device
JPS59156903U (en) * 1983-04-06 1984-10-22 株式会社ダイフク Transport vehicle guide device

Also Published As

Publication number Publication date
JPS6236185Y2 (en) 1987-09-14

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