Tapping apparatus and method

Details Tapping apparatus and method Tapping apparatus and method

1975-07-03

1977-06-14

Schwadron, Martin P.

Fluid handling

Processes

Cleaning, repairing, or assembling

29157T, 29235, 29237, 29407, 29453, 137318, 408 87, 408137, F16K 4300, F16L 5510

Patent

active

040291189

ABSTRACT:
A tapping apparatus and method is provided whereby a sleeve having at least one annular groove around the circumference thereof and an outwardly extending flange at one end thereof is, during the cutting of an opening in the wall of a conduit, carried by the cutter to a position at which the at least one angular groove is located within the cut opening and is engaged by the conduit material surrounding the opening to maintain the sleeve in a fixed position relative to the conduit, and wherein the outwardly extending flange contacts a portion of the tapping means for maintaining the tapping means in a fixed relationship to the tapped conduit.

REFERENCES:
patent: 2964290 (1960-12-01), Mueller
patent: 3307435 (1967-03-01), Floren
patent: 3336937 (1967-08-01), Ehrens et al.
patent: 3349792 (1967-10-01), Larkin
patent: 3428075 (1969-02-01), Wagner
patent: 3734112 (1973-05-01), Finney et al.
patent: 3756261 (1973-09-01), Minchhoff
patent: 3863667 (1975-02-01), Ward

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