|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||277/607; 277/603; 277/620; 277/623; 277/624; 277/634; 285/139.3; 285/139.1; 285/205|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 20|
A storage tank orifice flexible center mount sealing device comprising a first annular member being substantially flexible having a annular channel, a central orifice and a mating surface, wherein the mating surface is operably configured to be disposed against a wall of a container; and, a second annular member being substantially rigid having a central orifice, wherein the second annular member is disposed in the annular channel and the members are coaxially aligned. The sealing device further comprises a sealing boot disposed on the first annular memb...
What is claimed is: 1. A sealing device for sealing an orifice in a wall comprising: a first annular member being substantially flexible having an outer wall, an inner wall and a mating surface disposed between the outer and inner wall, wherein the inner wall has a height less than a height of the outer wall, an annular channel being defined between the outer and inner wall and, a central orifice, wherein the mating surface is operably configured to be disposed against the wall; a second annular member being substantially rigid having a central orifice,...