Working nozzle for gel coating of seeds

Details Working nozzle for gel coating of seeds Working nozzle for gel coating of seeds

1995-11-02

1997-12-16

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

239570, 118 23, 118 29, B05B 130

Patent

active

056975589

ABSTRACT:
In a working nozzle for a gel coating apparatus, a nozzle plunger (15) has, in addition to a valve portion (15b), located at its lower end, for opening or shutting the small-diameter portion of a plunger insertion hole (4), a flange (16) which is located above the valve portion and can be brought into contact with or separated from an edge of the small-diameter hole portion (5). This prevents leakage of gel during shutting of the small diameter. The nozzle plunger has also a gel accommodating groove (17) provided on the outer periphery of said valve portion and adjoining to a lower surface of the flange, thereby permitting the sharp cutting of the gel when the valve shuts. The nozzle plunger has a step (25) provided at the lower end of its inner periphery and having a larger diameter than larger than the inner diameter of the valve portion, thus preventing stagnancy of seeds within the nozzle plunger.

REFERENCES:
patent: 4806357 (1989-02-01), Garrett et al.
patent: 4808430 (1989-02-01), Kouno
patent: 5080925 (1992-01-01), Kouno
patent: 5107787 (1992-04-01), Kouno
patent: 5254358 (1993-10-01), Kouno et al.
patent: 5421882 (1995-06-01), Kouno et al.
patent: 5509963 (1996-04-01), Kohno
patent: 5512101 (1996-04-01), Kohno

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