Piping device and cutting oil coater using the same

Details Piping device and cutting oil coater using the same Piping device and cutting oil coater using the same

2005-05-03

2005-05-03

Brinson, Patrick (Department: 3752)

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

C138S039000, C138S040000

Reexamination Certificate

active

06886600

ABSTRACT:
A piping device for use in a cutting oil coater includes an oil supply path, a narrower path connected with the oil supply path and having an inside diameter smaller than that of the oil supply path, an oil tube, for feeding liquid oil to the oil supply path, a gas tube for feeding a gas to the oil supply path, where it mixes with the oil and changes it into a droplet state, an air space into which the oil is discharged from the narrower path, and is changed into a spray, a wall defining the air space having a recess, and a plurality of branch paths into which the oil impinges on the recess flows, with a substantially even flow distribution in each branch path, wherein a vertex of the recess and an end of the narrower path face each other. The apparatus suppresses an uneven distribution of flow rate of oil discharged into the air space.

REFERENCES:
patent: 1172140 (1916-02-01), Jenkins
patent: 1459666 (1923-06-01), Adams
patent: 1883720 (1932-10-01), Grimes
patent: 1942598 (1934-01-01), Hewgley
patent: 2146256 (1939-02-01), Gobel
patent: 2210480 (1940-08-01), Brice
patent: 2243592 (1941-05-01), Wolf
patent: 2353161 (1944-07-01), Heigis et al.
patent: 5813652 (1998-09-01), Richmond et al.

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