Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Patent
1974-09-26
1976-05-25
Cohan, Alan
Fluid handling
With repair, tapping, assembly, or disassembly means
Tapping a pipe, keg, or apertured tank under pressure
285 3, 285197, B23B 4108, F16E 4104
Patent
active
039585930
ABSTRACT:
Disclosed is an apparatus for selectively connecting different sizes of service conduits to mains. The apparatus has a fitting with first and second bores therethrough. These bores are axially spaced and positioned in the fitting to radially extend from the main when the fitting is fixed thereto. A port adjacent the end of the fitting shaped for connection to the exterior of the main interconnects the two through bores. An annular flange is provided around a counterbore in the first bore for selectively connecting various sizes of service lines to the fitting. Internal threads are formed in the second bore for receiving an externally-threaded tapping means for manipulation axially through the bore to cut a coupon from the wall of the main to interconnect the main with the first bore. A sealing plug is provided for sealing the open end of the second bore.
REFERENCES:
patent: 1701786 (1929-02-01), McMurry
patent: 2608989 (1952-09-01), McDonald
patent: 3302493 (1967-02-01), Hulslander
patent: 3349805 (1967-10-01), Fried
patent: 3692044 (1972-09-01), Wise
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