# US 2014/0151377 A1 · Drum liner and method of manufacturing same

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- Number: US 2014/0151377 A1
- Document ID: US20140151377A1
- Status: Published application
- Kind: A1
- Application number: 13/693,924
- Filed: 2012-12-04
- Published: 2014-06-05
- Earliest claimed: 2012-12-04
- Assignees: Grayling Industries, Inc.
- Applicants: Grayling Industries, Inc.
- Inventors: Kurt D. Ross; Randy Ray Sullinger
- Web page: https://patentgrep.com/patent/US20140151377A1

## CPC

- B65D 7/045: {Casks, barrels, or drums in their entirety, e.g. beer barrels, i.e. presenting most of the following features like rolling beads, double walls, reinforcing and supporting beads for end walls (thermally insulated barrels, B65D81/3802)}
- B65D 11/06: {Drums or barrels (thermally insulated B65D81/3802)}
- B65D 25/16: Loose, or loosely-attached, linings
- B65D 77/06: Liquids or semi-liquids {or other materials or articles} enclosed in flexible containers disposed within rigid containers
- B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES

## Abstract

A drum liner (10) is disclosed which is configured to be used with a drum (11) having a side wall (14) terminating with a top edge (15), a removable lid (16) having a lip (19), and crimp ring (17). The liner has a bottom wall (24), a top rim (25), and a cylindrical side wall (26) made of flexible material. The liner side wall has an exterior surface (27) and an interior surface (28). The liner top rim has a positioning flange (29) extending to an attachment lip (30) configured to fit about the drum top edge and within the drum lid lip. The liner side wall is heat sealed to the top rim positioning flange. The bottom wall is also heat sealed to the bottom margin of the liner side wall.

## Claims

### Claim 1

A liner for use with a drum having side walls terminating at a top edge, said liner comprising,
a bottom wall;
a top having at least a peripheral rim having an attachment lip configured to capture to the drum top edge and a positioning flange extending from said lip, and
a side wall made of a flexible material, said side wall having a bottom margin coupled to said bottom wall and a top margin coupled to said peripheral rim positioning flange.

### Claim 2 (depends on 1)

The liner of claim 1 wherein said side wall bottom margin is coupled to an interior surface of said bottom wall.

### Claim 3 (depends on 1)

The liner of claim 1 wherein said side wall top margin is coupled to an interior surface of said peripheral rim positioning flange.

### Claim 4 (depends on 3)

The liner of claim 3 wherein said side wall bottom margin is coupled to an interior surface of said bottom wall.

### Claim 5 (depends on 1)

The liner of claim 1 wherein said bottom wall is made of a material which is stiffer than said side wall flexible material.

### Claim 6 (depends on 1)

The liner of claim 1 wherein said top wall includes a center plate spanning said peripheral rim.

### Claim 7 (depends on 1)

The liner of claim 1 wherein said peripheral rim is made of a material which is stiffer than said side wall flexible material.

### Claim 8

A combination drum and drum liner comprising,
a drum having a side wall with a top edge, and
a drum liner having a bottom wall, a side wail coupled to said bottom wall, and a peripheral rim coupled to said side wall, said peripheral rim having an attachment lip sized and shaped to attach said top edge of said drum, said peripheral rim also having a positioning flange coupled to said attachment lip and to said side wall.

### Claim 9 (depends on 8)

The combination drum and drum liner of claim 8 wherein said side wall bottom margin is coupled to an interior surface of said bottom wall.

### Claim 10 (depends on 8)

The combination drum and drum liner of claim 8 wherein said side wall top margin is coupled to an interior surface of said peripheral rim positioning flange.

### Claim 11 (depends on 10)

The combination drum and drum liner of claim 10 wherein said side wall bottom margin is coupled to an interior surface of said bottom wall.

### Claim 12 (depends on 8)

The combination drum and drum liner of claim 8 wherein said bottom wall is made of a material which is stiffer than the material which forms said drum liner side wall.

### Claim 13 (depends on 8)

The combination drum and drum liner of claim 8 wherein said top wall includes a center plate spanning said peripheral rim.

### Claim 14 (depends on 8)

The combination drum and drum liner of claim 8 wherein said peripheral rim is made of a material which is stiffer than said side wall flexible material.

### Claim 15

A method of manufacturing a drum liner comprising the steps of:
(a) providing a bottom wall;
(b) providing a tubular side wall made of a flexible material;
(c) providing a top wall having a peripheral rim with an attachment lip and a positioning flange, and
(d) heat sealing a top margin of the side wall to the positioning flange of the top wall.

### Claim 16 (depends on 15)

The method of claim 15 further comprising step (e) heat sealing a bottom margin of the side wall to the bottom wall.

### Claim 17 (depends on 16)

The method of claim 16 wherein the side wall bottom margin is coupled to an interior surface of the bottom wall.

### Claim 18 (depends on 15)

The method of claim 15 wherein the side wall top margin is coupled to an interior surface of the positioning flange.

### Claim 19 (depends on 18)

The method of claim 18 wherein said side wall bottom margin is coupled to an interior surface of said bottom wall.

### Claim 20 (depends on 15)

The method of claim 15 wherein the bottom wall is made of a material which is stiffer than the side wall flexible material.

### Claim 21 (depends on 15)

The method of claim 15 wherein the top wall includes a center plate spanning said peripheral rim.

### Claim 22 (depends on 15)

The method of claim 15 wherein the top wall is made of a material which is stiffer than the side wall flexible material.