| Re: Re: ... "Prior Art" ... -- savywhat | |||||
| Posted by Iron Worker , Fri, Jun 01, 2012, 00:40:49 | Top of Thread | Reviews by Iron Worker | Archive | Main BigDoggie.net site | |
Long story, but yes, bi-directional, thin ported gate, good to 150, the unique part was the embedding of metal "C"-Rings and "LJ"-Rings in the rubber or urethane face-sealing sleeves, this built in a spring-like quality, with good push and seal against the gate, and since it was a ported gate, the axial compressed length of the face sealing rings/sleeves remained constant - -
http://www.patentgenius.com/patent/5137261.html
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