Band with slotted wedge cams

Details Band with slotted wedge cams Band with slotted wedge cams

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 19/06 (2006.01) F16L 41/00 (2006.01) F16L 41/08 (2006.01)

Patent

CA 2052984

A band assembly for effecting a seal particularly adapted for use in establishing a saint between a sewer pipe and a reinforced concrete manhole riser. The seal is affected by a tapered elastomeric tubular connector boot and a clamping band member kith an expansion mechanism. Wedge followers are loosely captured in the end sections of the clamping band and lie glens a circumferential center line on the band. Driving wedges extend along an axis transverse to the circumferential center line. The wedge followers and wedge drivers both have divergent edge sections that interengage and slide over one another as the driving wedges are dulled together by a clamping mechanism comprising, in a simplest form, a nut and bolt. As the driving wedges move toward the circumferential center line, they displace the wedge followers. The wedge followers engage the end portions of the clamping band and force it and the connector boot into a sealing relationship with the surrounding manhole riser:

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