JPS5856288U - insulation pipe - Google Patents

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

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

図面は本考案の一実施例を示し、第１図は断熱管の正面
図、第２図は同側面図、第３図は係合部分の拡大断面図
、第４図は継手部分の拡大断面図　　−である。 １・・・内管、２・・・外管、３・・・断熱材、４・・
・帯状の板、５・・・係合部分。The drawings show an embodiment of the present invention, in which Fig. 1 is a front view of the heat insulating pipe, Fig. 2 is a side view of the same, Fig. 3 is an enlarged sectional view of the engaging part, and Fig. 4 is an enlarged sectional view of the joint part. Figure - is. 1...Inner pipe, 2...Outer pipe, 3...Insulation material, 4...
- Band-shaped plate, 5...engaging part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内管と、この内管に径方向に間隔をあけて外嵌する外管
と、これら内管と外管との間隙に充填された断熱材とか
ら成り、前駆外管を、帯状の板をスパイラル状に巻回し
、この帯状の板の近接する幅方向側縁を互いに径方向内
側へ折曲して係合させたスパイラル管により構成したこ
とを特徴とする断熱管。It consists of an inner tube, an outer tube that fits into the inner tube at intervals in the radial direction, and a heat insulating material filled in the gap between the inner tube and the outer tube. A heat insulating tube characterized in that it is constructed of a spiral tube which is wound in a spiral shape and the adjacent widthwise side edges of the strip-shaped plates are bent radially inward and engaged with each other.