Plastic container with drain back spout and method and apparatus

Details Plastic container with drain back spout and method and apparatus Plastic container with drain back spout and method and apparatus

1998-07-13

2000-09-26

Shaver, Kevin

Dispensing

Drip, leakage or waste catching or disposal

Return to main supply

B65D 116

Patent

active

061232319

ABSTRACT:
A one-piece self-draining container and method and apparatus for forming same. The container includes a body and a finish wall extending upwardly from a body opening. The finish wall surrounds a dispensing spout which extends above the top of the wall. A frustoconical web joins the finish wall and the dispensing spout to form a drain apron gutter channel having a relatively steeply inclined cone angle. A drain opening is defined adjacent the channel for draining fluid from the channel into the container body. A removable cap having a depending skirt defining a thread which mates with an internal thread on the container wall to thereby threadably engage and close the container. The method is performed on the type of extrusion-injection blow molding machine as generally disclosed in U.S. Pat. No. 2,804,654 as modified in accordance with the invention to form the web wall in situ with a frustoconical configuration of uniform cross sectional thickness.

REFERENCES:
patent: 2804654 (1957-09-01), Sherman
patent: 4640855 (1987-02-01), St. Clair
patent: 4917269 (1990-04-01), Fuchs et al.
patent: 4989757 (1991-02-01), Krall
patent: 5020692 (1991-06-01), Darr
patent: 5114659 (1992-05-01), Krall
patent: 5207356 (1993-05-01), Krall
patent: 5462202 (1995-10-01), Haffner et al.
patent: 5566862 (1996-10-01), Haffner et al.

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