公开(公告)号：EP0307733B1

公开(公告)日：1992-08-26

申请号：EP88114328.3

申请日：1988-09-02

Applicant: Dynamic Air Inc.

Inventor： Steele James R., ,  Scherfenberg Jerry W.,

IPC: F16K1/228

CPC classification number: F16K1/228

公开(公告)号：EP0307733A3

公开(公告)日：1990-02-21

申请号：EP88114328.3

申请日：1988-09-02

Applicant: Dynamic Air Inc.

Inventor： Steele James R., ,  Scherfenberg Jerry W.,

IPC: F16K1/228

CPC classification number: F16K1/228

Abstract: The present invention comprises a transport system having an annular inflatable seal which has an annular interior domed portion which expands as an integral unit until it contacts the edge of a butterfly valve which engages the domed portion to form a slight recess in the annular seal which provides an airtight and locking seal with the annular seal having a pair of annular resilient legs operable to return the annular interior domed portion to its original position to permit the butterfly valve to be opened.

公开(公告)号：EP0307733A2

公开(公告)日：1989-03-22

申请号：EP88114328.3

申请日：1988-09-02

Applicant: Dynamic Air Inc.

Inventor： Steele James R., ,  Scherfenberg Jerry W.,

IPC: F16K1/228

CPC classification number: F16K1/228

Abstract: The present invention comprises a transport system having an annular inflatable seal which has an annular interior domed portion which expands as an integral unit until it contacts the edge of a butterfly valve which engages the domed portion to form a slight recess in the annular seal which provides an airtight and locking seal with the annular seal having a pair of annular resilient legs operable to return the annular interior domed portion to its original position to permit the butterfly valve to be opened.

Abstract translation: 本发明包括具有环形可充气密封件的输送系统，该密封件具有环形内圆顶部分，其作为整体单元膨胀，直到其接触与圆顶部分接合的蝶阀的边缘，以在环形密封件中形成轻微的凹部， 具有环形密封件的气密和锁定密封件具有一对环形弹性腿，其可操作以将环形内圆顶部分返回到其初始位置以允许打开蝶形阀。