公开(公告)号：US3892121A

公开(公告)日：1975-07-01

申请号：US39663773

申请日：1973-09-12

Applicant: BOEING CO

Inventor： CHAMPOUX LOUIS A ,  HILL HORACE E ,  PHILLIPS JOSEPH L

IPC: B21D41/02 ,  B23P9/02

CPC classification number: B23P9/025 ,  B21D41/02 ,  Y10T29/53722

Abstract: A segmented sleeve restrained at one end is constrained to be kept in contact with a mandrel which the sleeve encircles. The mandrel is slideably mounted inside the sleeve and has an enlarged diameter which radially expands the sleeve as the enlarged portion passes by.

Abstract translation: 限制在一端的分段套筒被限制为与套筒围绕的心轴保持接触。 心轴可滑动地安装在套筒内，并且具有扩大的直径，当扩大部分经过时径向扩张套筒。