|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||285/055; 285/340; 285/363; 285/368|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 3|
Connection between flange faces is effected with a rigid metal load bearing ring interposed therebetween for assuming the bolt torquing load and, when desired, for providing a fluid seal. Within said load bearing ring are disposed at least one coned ring spring and a force distributing ring for developing a predetermined sealing force against a flare of non-metallic material, usually a plastic. The flare may be at the end of a pipe or fitting liner or associated with an auxiliary or adapter seal. The spring provides automatic compensation for any cold or...
1. An arrangement for establishing a fluid-tight seal between the faces of an assembled piping system flange connection, said arrangement comprising a rigid metal load bearing ring sized to fit between said flange faces with an inside diameter larger than the diameter of the fluid passage through said piping system at said connection and with a predetermined axial length for engaging said flange faces upon assembly of said flange connection for establishing a cavity of predetermined size bounded by said flange faces, said inside diameter and said diamete...