US 10,767,762 B2Granted

Low load dual flap seal assembly

AssigneeFreudenberg-NOK General Partnership

InventorJohn B. Wagner

Life of this patent

Estimating the term…

Loading patent…

Abstract

A seal for sealing between a first member and a second member, including a first annular insert and a second annular insert axially spaced from the first annular insert. An elastomeric body includes a first portion over-molded on the first annular insert and a second portion over-molded on the second annular insert and an intermediate web extending between the first and second portions. The first and second portions including an annular flap extending from the first and second annular inserts that in an un-installed condition, extend radially relative to the first and second annular inserts and in an installed position are adapted to be compressed between the annular inserts and a surface of the first and second members.

Claims9

Dependent claims

A seal for sealing between a first member and a second member, comprising:

a helical spring insert having a first end and a second end and an intermediate portion extending between the first end and the second end;
an elastomeric body including a first portion over-molded on said first end of said helical spring insert and a second portion over-molded on said second end of said helical spring insert and an intermediate web over-molded on said intermediate portion of said helical spring insert and extending between said first portion and said second portion, said first portion including a first annular flap extending radially relative to said first end of said helical spring insert and in an installed position is adapted to be compressed between said first end of the helical spring insert and an annular surface of the first member, said second portion including a second annular flap that extends radially relative to said second end of the helical spring insert and in an installed position is adapted to be compressed between said second end of the helical spring insert and an annular surface of the second member.

Dependencies are inferred from the claim text.

Facts

Application: 15/896,693Filed 14 Feb 2018 · division
Priority: 3 Jan 2014
Published: US 2018/0172158 A121 Jun 2018
Granted: 8 Sep 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

F16J 15/02
Sealings: between relatively-stationary surfaces
F16J 15/46
Sealings: with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
F16J 15/48
With packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings: influenced by the pressure within the member to be…
F16L 25/0036
Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00: joints for corrugated pipes

Family

Application14/147,027Parent of this division · filed 3 Jan 2014
US 2018/0172158 A1Pre-grant publication · published 21 Jun 2018
US 9,945,482 B2Parent of this division
US 2015/0192206 A1Published application
US 10,767,762 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key