Tillman S King

US Patent:

20050280215, Dec 22, 2005

Filed:

Jun 18, 2004

Appl. No.:

10/871300

Inventors:

Herbert Anderson - Hilliard OH, US
Tillman King - Goshen IN, US
Hiralal Patel - Dublin OH, US
Jeffry Beier - Eaton OH, US

International Classification:

F16J015/02

US Classification:

277628000

Abstract:

A fitting having an axial end with a front face having an annular groove of half dovetail configuration for receiving a seal. The annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with the base portion and a mouth portion generally opposite the flat base portion. The first side wall having a proximal first portion contiguous and perpendicular with the base portion, an inwardly angled flat portion contiguous with the proximal first portion, and an arcuate portion having a first end contiguous with the inwardly angled flat portion and a second end that ends into the mouth portion. The seal having a trapezoidal cross sectional area with a first flat wall, a second wall contiguous with the first wall, a third wall contiguous with the second wall, parallel with the first wall and having a shorter length than the first wall, and a fourth wall contiguous with the third and first wall. Wherein, while the seal is installed within the annular groove and not under compression, the seal second wall abuts the groove flat base portion, a portion of the seal third wall abuts the groove first side wall, and a portion of the fourth wall abuts the first flat surface of the inwardly angled lip portion.