Seal Ring for Plug
AssigneeSurpass Industry Co., Ltd.
InventorsHiroshi Imai, Koichi Abe
Life of this patent
Estimating the term…
Abstract
The object is to provide a seal ring for a plug, which, when used in a plug cap, can be used regardless of kind of chemical liquid and has no possibility of damaging a seal surface of the plug in tightening the plug cap. The seal ring is placed in the plug cap installed on the plug having a liquid path and/or a gas path, and the seal ring achieves liquid sealing and/or gas sealing of the plug. The seal ring (1) has on its upper surface an edge seal section (17), on its inner surface a surface seal section (18), and on its outer surface a projection section (19) engaging with a ring engagement section (16a) formed on the inner surface of the plug cap.
Claims8
A seal ring for a plug characterized in that the seal ring:
- is disposed inside a plug cap which covers a plug, wherein said plug is provided with a liquid path and/or a gas path;
- achieves liquid sealing and/or gas sealing of said plug;
- is provided with an edge seal section in its upper surface, a surface seal section in its inner surface, and a projection section in its outer surface, wherein said projection section is engaged with a ring engagement section formed in an inner surface of said plug cap.
A seal ring for a plug characterized in that the seal ring:
- is disposed inside a plug cap which covers a plug, wherein said plug is provided with a liquid path and/or a gas path;
- achieves liquid sealing and/or gas sealing of said plug;
- is provided with a surface seal section in its inner side surface, and a projection section in its outer side surface, wherein said projection section is engaged with a ring engagement section formed in an inner surface of said plug cap.
A seal ring for a plug characterized in that the seal ring is disposed inside a plug cap which covers a plug, said plug being provided with a liquid path and/or a gas path, wherein the seal ring:
- achieves liquid sealing and/or gas sealing of said plug;
- is provided with a first edge section, which abuts against an edge seal surface of a ring engagement section formed inside said plug cap;
- and, is also provided with a second edge section which abuts against a seal surface of said plug, wherein said second section is lager in number than said first section.
Dependencies are inferred from the claim text.