Funnels for use with large drums

Details Funnels for use with large drums Funnels for use with large drums

1993-11-09

1995-02-14

Dawson, Robert A.

Liquid purification or separation

With drip, overflow or content draining feature

210473, 210477, 141331, B01D 29085, B65B 3900

Patent

active

053892534

ABSTRACT:
Apparatus for pouring used fuel and other fluids into a large container comprising a funnel fabricated of a rigid material and having a lower extent of a cylindrical configuration with a small diameter and a limited height with external threads thereon, an upper extent of a cylindrical configuration with a large diameter and a limited height, and an intermediate extent of a frustroconical configuration extending between the upper extent and the lower extent, the upper and intermediate and lower extents having a common axis with the surface of the intermediate extent forming an angle of between about 20 and 40 degrees with respect to the axis.

REFERENCES:
patent: Re6614 (1875-08-01), Heermance et al.
patent: 132963 (1872-11-01), Heermance et al.
patent: 453798 (1891-06-01), Gersdorff
patent: 559905 (1896-05-01), Pike
patent: 986301 (1911-03-01), Michel
patent: 4559984 (1985-12-01), Wycech
patent: 4703867 (1987-11-01), Schoenhard
patent: 4823848 (1989-04-01), Sentmore, Sr. et al.
patent: 4856568 (1989-08-01), Murphy et al.
patent: 5018559 (1991-05-01), Branan

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