Electric heating – Metal heating – Cutting or disintegrating
Patent
1983-05-23
1985-08-27
Paschall, M. H.
Electric heating
Metal heating
Cutting or disintegrating
219 69E, 219 69D, 219 68, B23P 108
Patent
active
045380430
ABSTRACT:
Water shield (38) provided for a metal piece disintegrator (10) of the type having a longitudinally extending quill (12) holding a longitudinally extending electrode (16) at one end (14). A vibrating structure (20) serves for longitudinally vibrating the electrode (16) and a fluid delivery system (30) serves for delivering a stream of pressurized liquid coolant generally parallel to the electrode and against a broken piece of metal (32) embedded in a metallic member (34). Tubular member (40) is about at least one end (14) of the quill (12). A first end portion (46) of the tubular member (40) is positionable generally adjacent the electrode (16). A piston (48) is in tight-fitting slidable relation against the inner wall portion (42) of the tubular member (40). The piston (48) is generally sealingly attached to the quill (12) adjacent its one end (14). The tubular member (40) is selectively longitudinally positionable in releasable fixed relation relative to the electrode (16). Coolant discharged against the broken piece of metal (32) is prevented from splashing back upon the operator and from splashing uncontrollably laterally from the broken piece of metal (32) which is embedded in the metallic member (34).
REFERENCES:
patent: 2580398 (1952-01-01), Braswell
patent: 3833785 (1974-09-01), Roach
patent: 4087670 (1978-05-01), Miller
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