PATENT CLAIM ANALYSIS

Application Number: 16030140
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["219", "121160"]

Abstract:
A laser machining method, including: liquid supplying into a rectifying chamber; the rectifying chamber attenuating disturbances in flow of the liquid supplied; a liquid injecting into a liquid oscillating chamber exclusively from one direction from a liquid inlet port arranged on only one portion of a sidewall of the liquid oscillating chamber; the liquid jetting as a jet liquid column into air from a nozzle; a laser beam focusing on the axis of the nozzle and guiding to a machining point by the jet liquid column; a surface wave of the jet liquid column generating and gradually increasing in amplitude in the direction away from the nozzle; a body of the jet liquid column atomizing when the jet liquid column strikes the workpiece on the machining point.

Claim (Index 1):
A laser machining apparatus for machining with a laser beam that is guided to a machining point by a liquid, comprising:\n a nozzle including a nozzle inlet opening, the nozzle jetting a jet liquid column; a rectifying chamber having an annular shape, the rectifying chamber attenuating disturbances in flow of the liquid; a liquid oscillating chamber having a generally cylindrical shape with a height greater than its diameter, the liquid oscillating chamber guiding the liquid to the nozzle inlet opening; an oscillating chamber inlet port arranged at only one arc portion of a circumference of a sidewall of the oscillating chamber that allows inflow of the liquid from the rectifying chamber from one direction of the liquid oscillating chamber, the one direction being a radial direction of the oscillating chamber; a laser oscillator generating a laser beam; a focusing optical system focusing the laser beam generated by the laser oscillator above the nozzle inlet opening to cause the jet liquid column to guide the laser beam; a window opposed the nozzle inlet opening to cause the laser beam transmitting from the focusing optical system to enter the liquid oscillating chamber, only one oscillating chamber inlet path for guiding the liquid from the rectifying chamber to the oscillating chamber inlet port, the oscillating chamber inlet path connected directly with the oscillating chamber inlet port and the rectifying chamber, the oscillating chamber inlet path extending horizontally, having a fan shape in view from the window and extending downward from the rectifying chamber such that the oscillating chamber is formed at the center of the fan shape, and the liquid flows in from the only one portion of the circumference of the sidewall of the liquid oscillating chamber; and wherein the liquid oscillating chamber increases a surface wave on an outer surface of the jet liquid column to cause the jet liquid column jetted from the nozzle onto a workpiece to be easily atomized at the machining point, and wherein the rectifying chamber surrounds at least a portion of the liquid oscillating chamber.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 95.0
- Lexical Diversity: 2.22951
- Patent Class: 219.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['12232378', '13365593', '12853797', '11988915', '15023389']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8074727157912774
- 35 USC 102 Novelty (BERT): 0.505621235080755
- Combined Prediction Score: 0.7772875677202252
- Mean Citation Score: 252.13101200000008
- Max Citation Score: 301.0683
- Similarity Product: 255.8754200973809

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test