BNB clamp
First Claim
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1. A clamp for sealing leaks occurring between a pipe and a flanged tee pipe fitting having a branch leg or the like comprising:
- a body longitudinally divided into two portions and having a cavity adapted to at least partially enclose the pipe fitting, the cavity including opposing entrances, an aperture intermediate the entrances adapted to permit extension of the branch leg therethrough an internally threaded section;
means for joining the two body portions about the fitting;
means connected to the body for retaining the fitting;
packing means; and
a bolt longitudinally divided into two portions and adapted to engage the threaded section of the cavity for compressing the packing means against the flange.
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Abstract
A clamp for sealing leaks occurring between a pipe and a pipe fitting. The clamp is usable with common tee, straight, reducer, and 90° elbow fittings and with various combinations of simple adapters can be used with at least two standard sizes of any such fittings. Two of the disclosed embodiments are particularly useful with flanged gate valves.
21 Citations
10 Claims
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1. A clamp for sealing leaks occurring between a pipe and a flanged tee pipe fitting having a branch leg or the like comprising:
- a body longitudinally divided into two portions and having a cavity adapted to at least partially enclose the pipe fitting, the cavity including opposing entrances, an aperture intermediate the entrances adapted to permit extension of the branch leg therethrough an internally threaded section;
means for joining the two body portions about the fitting; means connected to the body for retaining the fitting; packing means; and a bolt longitudinally divided into two portions and adapted to engage the threaded section of the cavity for compressing the packing means against the flange. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a body longitudinally divided into two portions and having a cavity adapted to at least partially enclose the pipe fitting, the cavity including opposing entrances, an aperture intermediate the entrances adapted to permit extension of the branch leg therethrough an internally threaded section;
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10. A clamp for sealing leaks occurring between a pipe and a flanged tee pipe fitting having a branch leg or the like comprising:
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a body longitudinally divided into two portions and including a cavity adapted to at least partially enclose the pipe fitting, the cavity having opposing entrances, an aperture intermediate the entrances adapted to permit extension of the branch leg therethrough and an internally threaded section; means for joining the two body portions about the fitting including mating flanges extending from the body portions and a fastener for securing the flanges together; means connected to the body for retaining the fitting including an annular shoulder adapted to engage a flange of the fitting; packing means; and
,a longitudinally divided bolt adapted to engage the threaded section of the cavity for compressing the packing against a flange.
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Specification