JPS61190087U

JPS61190087U -

Info

Publication number: JPS61190087U
Application number: JP7457385U
Authority: JP
Priority date: 1985-05-20
Filing date: 1985-05-20
Publication date: 1986-11-27

Description

[Brief explanation of drawings]

第１図乃至第４図は本考案の一実施例を示す図
で、第１図は管の一部波断正面図、第２図は第１
図における管の要部の縦断面図、第３図は傾視図
、第４図は第１図における管の弯曲姿勢を示す外
観概要図、第５図及び第６図はテーパー管の外観
概要図及び排気用ダクトの斜視概要図、第７図は
別実施例を示す管の要部の縦断面図、第８図は更
に別実施例を示す作用説明図、第９図乃至第１３
図はそれぞれ更に別実施例を示す縦断端面図、第
１４図は従来構造を示す管の要部の縦断面図であ
る。図中１は帯状部分、２は係合部、３は内辺、４
は外辺、５は嵌合溝、６は帯状辺を示す。 Figures 1 to 4 are views showing one embodiment of the present invention, with Figure 1 being a front view of a partially cutaway pipe, and Figure 2 being a front view of a pipe.
3 is a perspective view, FIG. 4 is a schematic external view showing the curved posture of the pipe in FIG. 1, and FIGS. 5 and 6 are a schematic external view of the tapered pipe. FIG. 7 is a longitudinal sectional view of the main part of the pipe showing another embodiment, FIG. 8 is an explanatory view of the operation showing still another embodiment, and FIGS. 9 to 13.
Each figure is a longitudinal sectional end view showing another embodiment, and FIG. 14 is a longitudinal sectional view of the main part of the tube showing a conventional structure. In the figure, 1 is a band-shaped part, 2 is an engaging part, 3 is an inner side, and 4
5 indicates an outer side, 5 indicates a fitting groove, and 6 indicates a band-shaped side.

Claims

[Claims for Utility Model Registration] In the cross-sectional shape, the band-shaped portion 1 has an engaging portion 2 on one side, and the other side is formed by inner and outer sides 3 and 4 into which the engaging portion 2 is inserted and fitted. A strip material for forming a spiral tube having a fitting groove 5, the inner and outer sides 3, 4
A strip material for forming a spiral tube, in which a strip side 6 is further formed in series on one or both of the strips. The strip material for forming a spiral tube according to claim 1, wherein the strip side 6 is formed to be continuous with the inner side 3. The strip material for forming a helical tube according to claim 1, wherein the strip side 6 is formed to be continuous with the outer side 4. The strip material for forming a spiral tube according to claim 1, wherein the strip side 6 is formed continuously on both the inner side 3 and the outer side 4. The strip material for forming a helical tube according to any one of claims 1 to 4, wherein the strip side 6 is thinner than both the inner and outer sides 3 and 4.