Machine for removing burrs from pipe

Details Machine for removing burrs from pipe Machine for removing burrs from pipe

1981-05-18

1984-02-07

Briggs, William R.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

72105, B23P 2304, B21D 1904

Patent

active

044294450

ABSTRACT:
A cast-iron pipe having an end socket is rotated about its axis by a driven first roller applied against the outside of the socket and a driven second roller applied against the inside of the socket and pressing the latter against the first roller. The rollers can be rotated at differing speeds, and as the socket revolves they rub off or crush burrs or other irregularities on the outside and inside of the socket. A cutting tool on a pivoted lever arm is applied by motor power to an outer face of an end flange of the rotating socket to trim burrs therefrom. The second roller supported on an articulated arrangement can be swung into and out of the socket by operation of a first hydraulic jack. Another hydraulic jack arrangement presses the second roller against the inside of the socket and increases the pressure suddenly when the roller encounters a large irregularity and decreases the pressure to normal when that irregularity has passed the roller.

REFERENCES:
patent: 2743630 (1956-01-01), Tillis
patent: 3164062 (1965-01-01), Hobden et al.
patent: 4126064 (1978-11-01), Tarrant
patent: 4210008 (1980-07-01), Birkestrand

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