Stabilized tap mounting assembly
First Claim
1. A tap assembly that attaches at least one of a manifold and pressure transmitter to an orifice, the tap assembly comprising:
- (a) a tap comprising a male NPT threaded end that connects with the orifice and a flanged end that connects with the at least one of the manifold and pressure transmitter;
(b) a separate stabilizing tube disposed between the threaded end and flanged end, the stabilizing tube having an external thread; and
(c) a stabilizing nut threaded on the stabilizing tube.
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Accused Products
Abstract
A method and apparatus are directed to reduce the load from the threads on taps on an orifice plate or orifice fitting. The apparatus includes a tap (3) having an NPT threaded end (1) and a flanged end (12) and an intermediate flange (13) which engages with a stabilizing tube (2) placed around the tap (3). In use, a stabilizing nut (1), previously threaded on the stabilizing tube (2), is unthreaded thereby forcing the stabilizing tube (2) against the intermediate flange (13) and transferring at least some of the weight off the threads (1) of the tap (3).
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Citations
47 Claims
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1. A tap assembly that attaches at least one of a manifold and pressure transmitter to an orifice, the tap assembly comprising:
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(a) a tap comprising a male NPT threaded end that connects with the orifice and a flanged end that connects with the at least one of the manifold and pressure transmitter;
(b) a separate stabilizing tube disposed between the threaded end and flanged end, the stabilizing tube having an external thread; and
(c) a stabilizing nut threaded on the stabilizing tube. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A tap assembly that attaches at least one of a manifold and pressure transmitter to an orifice, the tap assembly comprising:
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(a) a tap defining a bore along an axis, a first end proximate the bore having a male NPT threaded end that engages the orifice, and a second end proximate the bore having a flanged end that engages the at least one of a manifold and pressure transmitter;
(b) a first separate tubular member surrounding a portion of the bore and being disposed between the first end and the second end of the tap; and
(c) a second separate tubular member surrounding a portion of the first tubular member and being disposed between the first end and the second end of the tap, the second tubular member defining a continuous gap between an inner surface of the second tubular member and an outer surface of the tap. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A tap assembly that attaches at least one of a manifold and pressure transmitter to an orifice, the tap assembly consisting essentially of:
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(a) a tap having an exterior surface, a male NPT threaded end, and a flanged end;
(b) a separate stabilizing tube having an internal bore contiguous the exterior surface of the tap and an outer surface with external threads; and
(c) a stabilizing nut threaded on the external threads of the separate stabilizing tube. - View Dependent Claims (32, 33, 34)
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35. A tap assembly that attaches at least one of a manifold and pressure transmitter to an orifice, the tap assembly comprising:
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(a) a tap including a male NPT threaded end, a flanged end, and bore extending between the male NPT threaded end and the flanged end; and
(b) a load transfer member that surrounds the male NPT threaded end of the tap and engages a portion of the tap. - View Dependent Claims (36, 37, 38, 39, 40)
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41. A method of attaching a tap to an orifice, the tap including a male NPT threaded end, a flanged end, the tap having a bore extending between the male NPT threaded end and the flanged end, the method comprising:
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disposing the threaded end of the tap in the orifice;
surrounding a portion of the tap with a member;
engaging a first end surface of the member with an area proximate the orifice; and
abutting a second end surface of the member with the tap. - View Dependent Claims (42, 43, 44, 45, 46, 47)
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Specification