Title:
PRESSURE-PROOF APPARATUS AND FLUID PRESSURE CYLINDER
Document Type and Number:
Japanese Patent JP2021195969
Kind Code:
A
Abstract:
To improve the molding accuracy and durability of a pressure-proof apparatus.SOLUTION: A cylinder 100 is equipped with an annular cylinder tube 110, and a cylinder bottom 120 that has an annular wall portion 122 and in which the wall portion 122 is welded to the cylinder tube 110 to block an opening of the cylinder tube 110. One of the cylinder tube 110 and the wall portion 122 has an annular projecting portions 110c or 122d continuously provided with an inner peripheral surfaces 110b or 122c of the one of them, and projecting out from one end portion in an axial direction. The other of the cylinder tube 110 and the wall portion 122 has an opposite portion 122b or 110f that is provided at the other end portion, and is fitted with an outer peripheral surface 110d or 122e of the projecting portion 110c or 122d, and is welded over the whole circumference. An inner peripheral surface 110e or 122f of the projecting portion 110c or 122d has the same inner diameter over the whole axial direction.SELECTED DRAWING: Figure 2
More Like This:
Inventors:
KOBAYASHI TOSHIO
YAMAUCHI KAZUSHI
YAMAUCHI KAZUSHI
Application Number:
JP2020100944A
Publication Date:
December 27, 2021
Filing Date:
June 10, 2020
Export Citation:
Assignee:
KYB CORP
International Classes:
F16J10/00; B23K9/00; F15B15/14; F16B11/00
Attorney, Agent or Firm:
Goto Patent Office
Previous Patent: Transmission control unit, transmission control system, and out-of-vehicle arithmetic unit
Next Patent: Power transmission device
Next Patent: Power transmission device