IP Library Granted Patent US 9,493,266
Granted Patent B1
US 9,493,266 · App. 12/392,515 · Granted Nov 15, 2016

Molded plastic container

Inventors: Darrin Ross Jankowski (Union, MO); Edward J. Huels, Jr. (Union, MO); Joshua J. Haen (Maple Grove, MN); David J. Lewis (Ramsbury, GB)
Assignee: Silgan Plastic Food Containers Corporation
B65D1/02B65D51/20
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Quick Facts
Patent No.
US 9,493,266
App. No.
12/392,515
Granted
Nov 15, 2016
Kind
B1
Abstract

A molded plastic container includes a bottom wall to define a closed end of the container, a side wall extending generally axially away from the bottom wall, and a neck finish terminating the side wall to define an open end of the container. The neck finish includes a finish wall having an inner and outer surfaces. Also, the neck finish may include a seamless external thread segment projecting from the outer surface of the finish wall, and/or a flange extending radially outwardly from the finish wall and also extending axially downwardly and having a section thickness less than that of the finish wall, and/or a bead extending radially inwardly from the inner surface of the finish wall wherein the thickest section of any of the walls of the container extends through the bead.

Claims (14)

1. A molded plastic container, comprising:

a bottom wall to define a closed end of said container;

a side wall extending generally axially along a longitudinal axis of said container away from said bottom wall; and

a neck finish terminating said side wall to define an open end of said container and including:

a finish wall having an inner surface, an outer surface, and an end surface, and

at least one external thread segment projecting from said outer surface of said finish wall,

a bead extending radially inwardly from said inner surface of said finish wall, and

a flange extending radially outwardly from said finish wall and also extending axially downwardly along said longitudinal axis of said container toward said at least one external thread segment;

a seal applied to at least a portion of said flange, wherein said seal is a frangible seal having a generally axially extending wall and a removable transverse wall frangibly coupled to a lower end of said axially extending wall, wherein said removable transverse wall is separated from said lower end of said axially extending wall to provide access through said open end of said container when said axially extending wall remains attached to said portion of said flange, wherein said axially extending wall extends along said longitudinal axis of said container and is in contact with said inner surface of said finish wall and said lower end of said axially extending wall is located against or spaced just above said bead of said container neck finish wall; and

wherein said bead extending radially inwardly from said inner surface of said finish wall radially overlaps said lower end of said axially extending wall when said axially extending wall remains attached to said portion of said flange.

2. The molded plastic container of claim 1 , wherein said lower end of said axially extending wall is located against said bead.

3. The molded plastic container of claim 1 , wherein said lower end of said axially extending wall is spaced just above said bead.

4. The molded plastic container of claim 1 , wherein said inner surface includes a first inner surface below said bead and a second inner surface above said bead, wherein said axially extending wall is in contact with said second inner surface.

5. The molded plastic container of claim 1 , wherein said seal is applied to said end surface, said inner surface, and said portion of said flange.

Assignments (4)
CHANGE OF NAME Recorded Feb 13, 2013
From: REXAM HIGH BARRIER FOOD CONTAINERS INC.
To: SILGAN PLASTIC FOOD CONTAINERS CORPORATION
Reel/Frame 029803/0550 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 11, 2012
From: REXAM HEALTHCARE BROOKVILLE INC.
To: REXAM HIGH BARRIER FOOD CONTAINERS INC.
Reel/Frame 028528/0088 →
CHANGE OF NAME Recorded Jul 11, 2012
From: REXAM CLOSURE SYSTEMS INC.
To: REXAM HEALTHCARE BROOKVILLE INC.
Reel/Frame 028544/0543 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 11, 2010
From: JANKOWSKI, DARREN ROSS; HUELS, EDWARD J., JR.; HAEN, JOSHUA J.; LEWIS, DAVID J.
To: REXAM CLOSURE SYSTEMS INC.
Reel/Frame 023926/0665 →