JPH0284061U

JPH0284061U -

Info

Publication number: JPH0284061U
Application number: JP16346488U
Authority: JP
Priority date: 1988-12-19
Filing date: 1988-12-19
Publication date: 1990-06-29

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す未装着状態の
半裁正面図、第２図は同じく装着状態の部分断面
図、第３図は他の実施例を示す未装着状態の半裁
正面図、第４図は同じく装着状態の部分断面図で
ある。１……パツキン、２……摺動面、３……内周面
、４，５ａ，５ｂ……凹部、６……ピストン、７
……角溝、７′……溝底、８……シリンダ。 FIG. 1 is a half-cut front view of an embodiment of the present invention in an uninstalled state, FIG. 2 is a partial sectional view of the same in an attached state, and FIG. 3 is a half-cut front view of another embodiment of the invention in an uninstalled state. FIG. 4 is also a partial sectional view of the installed state. DESCRIPTION OF SYMBOLS 1...Packing, 2...Sliding surface, 3...Inner peripheral surface, 4, 5a, 5b...Recessed part, 6...Piston, 7
...Square groove, 7'...Groove bottom, 8...Cylinder.

Claims

[Claims for Utility Model Registration] 1. The sliding surface 2 of the packing 1 having an R-shape is discontinuous in the circumferential direction, and in the installed state, there are spaces A on both sides of the packing 1 in the axial direction, A gasket characterized in that a required number of recesses 4 are provided to seal B. 2. The sliding surface 2 of the packing 1, in which the sliding surface 2 is R-shaped, is discontinuous in the circumferential direction, instead of the recessed portion 4 according to claim 1, and in the installed state, the sliding surface 2 of the packing 1 has an R-shape. Recesses 5a that face the space A on one side and are sealed from the space B on the other side, and recesses 5b that face the space B on the other side and are airtight from the space A on the one side are arranged alternately in the circumferential direction. Patsukin characterized by the following.