Metal working – Method of mechanical manufacture – Disassembling
Patent
1987-04-27
1990-02-06
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Disassembling
2989014, B23P 1900
Patent
active
048979104
ABSTRACT:
A method for removing sprinkler pipe from a field in which the sprinkler pipe is disposed in rows in the field with the sprinkler pipe in each row being formed as a sprinkler line by serially connected lengths of pipe. The method comprises grasping one end of the sprinkler line and pulling it from the field without entering the field along a line generally coaxial with the sprinkler line for a distance at least equal to the length of a section of sprinkler pipe. A length of sprinkler pipe is then disconnected from the line, and the next sprinkler pipe is grasped and the sprinkler line is pulled at least one additional pipe length without entering the field. That next length of sprinkler pipe is thereafter disconnected from the sprinkler line, and the procedure is repeated until the entire sprinkler pipeline has been removed from the field.
REFERENCES:
patent: 2642311 (1953-06-01), Beyer
patent: 2742319 (1956-04-01), Tobin
patent: 2912996 (1959-11-01), Moulton
patent: 2990121 (1961-06-01), Fisher
patent: 3295548 (1964-04-01), Woods
patent: 3729140 (1973-04-01), Wagner
Mercurio Benardo
Miller William D.
Stiff Omar L.
Cuda Irene
Goldberg Howard N.
William D. Miller, Inc.
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