Metal working – Convertible metal working machine
Patent
1978-12-04
1981-04-21
Bilinsky, Z. R.
Metal working
Convertible metal working machine
29 33T, 29240, 81 572, 81 5733, 279109, 279118, 294106, 414776, 1510404, B08B 902, B23P 1904
Patent
active
042624100
ABSTRACT:
Apparatus for removing protective members from the threaded ends of pipe joints. A rotating head assembly is attached for longitudinal movement respective to a main frame having a motor mounted therewithin. The head includes a plurality of protector gripping jaws which are radially spaced from one another and aligned such that movement of the head assembly towards and away from the main frame causes the jaws to releasably grip the pipe protector. The rotating head assembly includes spaced parallel arms connected to cause the jaws to maintain the same relative position as the jaws are moved apart from one another to accommodate different diameter pipe. The apparatus can also be used to engage and remove pipe couplings as well as other threaded members. A second embodiment of the invention includes a cleaning head assembly mounted to the main frame which cleans the threads of both the box end and pin end of the pipe. A drifter is extended through the interior of the pipe to assure that the inside diameter thereof is greater than a predetermined minimum value.
REFERENCES:
patent: 3144947 (1964-08-01), Pittwood
patent: 3312496 (1967-04-01), Boutelle et al.
patent: 3436783 (1969-04-01), McCartney
patent: 3733080 (1973-05-01), Zeidler
patent: 4011617 (1977-03-01), Toelke et al.
patent: 4014062 (1977-03-01), Scott et al.
Bates Marcus L.
Bilinsky Z. R.
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