JPS62163690U

JPS62163690U -

Info

Publication number: JPS62163690U
Application number: JP5340086U
Authority: JP
Priority date: 1986-04-09
Filing date: 1986-04-09
Publication date: 1987-10-17

Description

[Brief explanation of the drawing]

第１図は本考案に係る管端保護具の斜視図。第
２図は第１図の管端保護具の正面図、第３図は背
面図。第４図は第２図の―線からみた側面図
。第５図は第２図の―線からみた縦断面図。
第６図は管端保護具を管端に装着したさいの縮径
時の状態を示す縦断面図。第７図は管端保護具を
管端に装着したさいの拡径時の状態を示す縦断面
図。第８図は第７図の―線からみた背面図。
第９図は本考案に係る別の管端保護具の斜視図。
第１０図は第９図の正面図。第１１図は第１０図
の―線からみた側面図。第１２図は第９
図の管端保護具を管端に装着して拡径した状態を
示す縦断面図。第１３図は第１２図の―
線からみた背面図。第１４図は本考案に係る別の
管端保護具の斜視図。第１５図は第１４図の正面
図。第１６図は第１５図の―線からみた
側面図。第１７図は第１４図の管端保護具を管端
に装着して拡径した状態を示す縦断面図。第１８
図は第１７図の―線からみた背面図。１ａ，１ｂ，１ｃ：管端保護具、２：鋼管、１
１：円筒状ボス、１２：フランジ、１３：凹陥部
、１６：スリツト。 FIG. 1 is a perspective view of a tube end protector according to the present invention. FIG. 2 is a front view of the tube end protector shown in FIG. 1, and FIG. 3 is a rear view. Figure 4 is a side view taken from the - line in Figure 2. Figure 5 is a longitudinal sectional view taken from the - line in Figure 2.
FIG. 6 is a longitudinal sectional view showing the state when the tube end protector is attached to the tube end and the diameter is reduced. FIG. 7 is a longitudinal sectional view showing the state when the tube end protector is attached to the tube end and the diameter is expanded. Figure 8 is a rear view taken from the - line in Figure 7.
FIG. 9 is a perspective view of another tube end protector according to the present invention.
FIG. 10 is a front view of FIG. 9. Figure 11 is a side view taken from the - line in Figure 10. Figure 12 is the 9th
FIG. 3 is a longitudinal cross-sectional view showing a state in which the tube end protector shown in the figure is attached to the tube end and expanded in diameter. Figure 13 is the same as Figure 12.
Rear view seen from the line. FIG. 14 is a perspective view of another tube end protector according to the present invention. FIG. 15 is a front view of FIG. 14. Figure 16 is a side view taken from the - line in Figure 15. FIG. 17 is a longitudinal cross-sectional view showing a state in which the tube end protector of FIG. 14 is attached to the tube end and expanded in diameter. 18th
The figure is a rear view seen from the - line in Figure 17. 1a, 1b, 1c: Pipe end protector, 2: Steel pipe, 1
1: Cylindrical boss, 12: Flange, 13: Recessed part, 16: Slit.

Claims

[Scope of utility model registration request]

A tube end protector having a flange extending radially outward at one end of the cylindrical boss, wherein the cylindrical boss is provided with a concave portion protruding radially inward at at least one location, and a flange corresponding to the concave portion. A tube end protector characterized by having a slit formed on at least one of the front and back surfaces of the position.