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US 10,632,510 B2Granted
Female screw cleaning method
AssigneeSugino Machine Limited
InventorToyoaki Mitsue
Life of this patent
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Abstract
A cleaning method allows reliable cleaning of thread roots of a female screw. A cleaning method for a female screw includes producing a jet of a cleaning liquid from a nozzle in a direction tilted from an axis of the female screw without inserting the nozzle in the female screw, and directing the jet to impinge on a thread of the female screw while rotating the jet about the axis.
Claims4
A cleaning method for a female screw, the method comprising:
- producing a jet of a cleaning liquid from a nozzle in a direction tilted from a center axis of the female screw without inserting the nozzle in the female screw;
- directing the jet to impinge on a thread of the female screw while rotating the jet about the center axis;
- directing the jet to impinge on the thread with both the nozzle and the thread exposed to the atmosphere;
- directing the jet to impinge on a mouth of the female screw;
- and
- moving the jet along the center axis and directing the jet spirally to impinge on the thread,
- wherein the female screw has the thread formed in a through-hole,
- the jet intersects with the center axis of the female screw and impinges on the thread and,
- the jet is a straight stream.
6 more elements
Dependencies are inferred from the claim text.