Pipe restraining collar member having protrusions of different sizes
AssigneeM&FC Holding, LLC
InventorsMichael E. Corwon, Edwin A. Bird, Kirby L. Shaddix
Life of this patent
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Abstract
A pipe coupling member comprising a collar member, flanges disposed on the collar member for connecting the collar member a support member, the collar member and the support member being adapted cooperatively to substantially encircle a first pipe member, lugs disposed on the collar member for connecting the collar member to a collar assembly substantially encircling a second pipe member, and elongated protrusions extending inwardly from an inside surface of the collar member and adapted to engage an external surface of the first pipe member.
Claims14
A pipe restraining member comprising a collar member, flange means disposed on said collar member and adapted to receive first connecting means for connecting said collar member to support means, said collar member and said support means being adapted cooperatively to substantially encircle a first pipe member, lug means disposed on said collar member and adapted to receive second connecting means for connecting said collar member to a collar assembly substantially encircling a second pipe member, and first and second protrusions extending inwardly from an inside surface of said collar member and adapted to engage an external surface of said first pipe, said protrusions having elongated bases and smaller free ends, said first protrusions being disposed such that said free ends form interrupted inwardly extending lands along the length of said inside surface, said second protrusions being taller than said first protrusions and being disposed such that each of said second protrusions is proximate only first protrusions and is remote from the nearest other second protrusion.
A pipe restraining member comprising a collar member, first and second flange means disposed on said collar member at first and second ends thereof and adapted to receive first connecting means for connecting said collar member to support means, said collar member and said support means being adapted cooperatively to substantially encircle a first pipe member, lug means disposed on said collar member and adapted to receive second connecting means for connecting said collar member to a collar assembly substantially encircling a second pipe member, said collar member comprising a band portion having an inside surface adapted to be positioned proximate an external surface of said first pipe, and an outside surface, a rib portion upstanding from said outside surface and extending along the length of said outside surface centrally thereof, and protrusions extending from said inside surface of said collar member and adapted to engage said external surface of said first pipe member, wherein said protrusions comprise first and second protrusions, said second protrusions being taller by about 0.030 inch than said first protrusions, each of said second protrusions being proximate first protrusions and remote from other second protrusions, said collar member having about 6-10 of said second protrusions.
Dependencies are inferred from the claim text.