Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Patent
1975-10-07
1976-12-07
Cline, William R.
Fluid handling
With repair, tapping, assembly, or disassembly means
Tapping a pipe, keg, or apertured tank under pressure
285197, 408 67, 408 92, F16K 4300
Patent
active
039956555
ABSTRACT:
An apparatus and method for opening a flow-way in a main when the main is to be connected to a secondary main or service line. The apparatus includes a fitting arranged to be at least temporarily secured to the main, the fitting being provided with a cutter member for preliminarily cutting a coupon from the main to form a preliminary hole in the main and a tapping tool for progressively enlarging the hole to a predetermined size, the tapping tool directing the material from around the hole as the hole is being progressively enlarged in the predetermined direction. The tapping tool remains in the fitting and in the hole formed in the main to function as an internal mechanical connector for holding the fitting securely on the main.
REFERENCES:
patent: 2414911 (1947-01-01), Temple
patent: 3272033 (1966-09-01), Leopold, Jr. et al.
patent: 3349792 (1967-10-01), Larkin
patent: 3620245 (1971-11-01), Finney
patent: 3773067 (1973-11-01), Ray
patent: 3870431 (1975-03-01), Luckenbill et al.
Cline William R.
Mueller Co.
Walton G. L.
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