Spherical annular seal member

US9206901B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9206901-B2
Application numberUS-201314443784-A
CountryUS
Kind codeB2
Filing dateNov 19, 2013
Priority dateNov 21, 2012
Publication dateDec 8, 2015
Grant dateDec 8, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A spherical annular seal member 35 for use in an exhaust pipe joint includes: a spherical annular base member 33 defined by a cylindrical inner surface 29 , a partially convex spherical surface 30 , and large- and small-diameter side annular end faces 31 and 32 of the partially convex spherical surface 30 ; and an outer layer 34 formed integrally on the partially convex spherical surface 30 of the spherical annular base member 33.

First claim

Opening claim text (preview).

The invention claimed is: 1. A spherical annular seal member for use in an exhaust pipe joint, comprising: a spherical annular base member defined by a cylindrical inner surface, a partially convex spherical surface, and large- and small-diameter side annular end faces of said partially convex spherical surface; and an outer layer formed integrally on said partially convex spherical surface of said spherical annular base member, wherein at least three protrusions, which are form…

Assignees

Inventors

Classifications

  • F01N13/16Primary

    Mechanical Engineering · mapped topic

  • F16J15/062Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9206901B2 cover?
A spherical annular seal member 35 for use in an exhaust pipe joint includes: a spherical annular base member 33 defined by a cylindrical inner surface 29 , a partially convex spherical surface 30 , and large- and small-diameter side annular end faces 31 and 32 of the partially convex spherical surface 30 ; and an outer layer 34 formed integrally on the partially convex spherical s…
Who is the assignee on this patent?
Oiles Industry Co Ltd
What technology area does this patent fall under?
Primary CPC classification F01N13/16. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Dec 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).