发明名称 |
FREE VENTING PIPE AND METHOD OF MANUFACTURE |
摘要 |
A free venting pipe and method of forming same, comprising a permeable tubular core member with at least one permeable hoop reinforcement layer around the core member; a substantially non- permeable membrane layer positioned outside of the hoop reinforcement layer and at least one permeable tensile reinforcement layer positioned outside of the membrane layer whereby a free volume annulus does not exist between any of the layers of the free venting pipe. The hoop and tensile reinforcement layers are comprised of a laminate construction. |
申请公布号 |
WO2008076173(A3) |
申请公布日期 |
2008.08.07 |
申请号 |
WO2007US22707 |
申请日期 |
2007.10.26 |
申请人 |
DEEPFLEX, INC.;BRYANT, MICHAEL, J. |
发明人 |
BRYANT, MICHAEL, J. |
分类号 |
F16L11/00 |
主分类号 |
F16L11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|