JPS60151998U

JPS60151998U - tail seal

Info

Publication number: JPS60151998U
Application number: JP4027484U
Authority: JP
Inventors: 正明小川
Original assignee: タイガ−スポリマ−株式会社
Priority date: 1984-03-21
Filing date: 1984-03-21
Publication date: 1985-10-09

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

[Brief explanation of the drawing]

図面は本考案の実施例を示し、第１図はテールシールの
縦断面図、第２図は第１図の■−■線に１　　おける断
面図、第３図及び第４図は他の実施例の；　　部分断面
図である。１・・・環状弾性体、３・・・後端部、１０・・・袋状
シー・　　ル、１２・・・中空部、１３・・・弾性線状
体、１４・・・小　−［片弾性体。The drawings show embodiments of the present invention; FIG. 1 is a longitudinal sectional view of the tail seal, FIG. 2 is a sectional view taken along line 1 in FIG. Example: Partial cross-sectional view. DESCRIPTION OF SYMBOLS 1... Annular elastic body, 3... Rear end part, 10... Bag-shaped seal, 12... Hollow part, 13... Elastic linear body, 14... Small - [piece Elastic body.

Claims

[Claims for Utility Model Registration] 1. A ring-shaped body tapering toward the rear is fixed to the rear end of the shield tunneling machine, and a bag-shaped seal having rubber-like elasticity is attached to the rear end of the ring-shaped body. The inner and outer circumferential surfaces of the segment are coated so that a hollow portion is formed therebetween, and a suppressing member is interposed in the hollow portion to press the inside of the bag-shaped seal toward the outer circumferential surface of the segment. Features a tail seal. 2. The tail seal according to claim 1, wherein the pressing member is an elastic linear body embedded in the rear end of the annular body. 3. The tail seal according to claim 1, wherein the pressing member is an elastic body such as felt or sponge sealed at the rear end of the annular body. 4. The tail seal according to claim 1, wherein the pressing member is a small piece of elastic material such as scrap rubber or plastic filled in the hollow portion. i5 The tail seal according to claim 1, wherein the pressing member is a small ball such as a steel ball filled in the hollow part.