Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
104 words
The combination of a metal first drum having a bottom wall and an open top closed by a removable cover, a second drum seated within said first drum, said second drum having a bottom wall and an open top closed by a removable cover, and a deflated pillow-like support positioned between said bottom walls, said pillow-like support having an inflated height to position said second drum open top above said first drum open top to apply said second drum cover, whereby with said pillow-like support inflated, said second drum may be telescoped with said first drum, seated on said pillow-like support, filled and closed.
Claim 2
Dependent Claim
104 words
The combination of a metal first drum having a bottom wall and an open top closed by a removable cover, a second drum seated within said first drum, said second drum having a bottom wall and an open top closed by a removable cover, and a deflated pillow-like support positioned between said bottom walls, said pillow-like support having an inflated height to position said second drum open top above said first drum open top to apply said second drum cover, whereby with said pillow-like support inflated, said second drum may be telescoped with said first drum, seated on said pillow-like support, filled and closed.
Claim 3
Dependent Claim
60 words
The combination of claim 1 wherein said second drum is of the type having a peripheral locking band for retaining said second drum cover on said second drum, and the height of said pillow-like support is one wherein said peripheral locking band may be applied while said second drum is within said first drum and seated on said pillow-like support.
Claim 4
Dependent Claim
13 words
The combination of claim 2 wherein said second drum is a fibre drum.
Claim 5
Dependent Claim
13 words
The combination of claim 1 wherein said second drum is a fibre drum.
Claim 6
Dependent Claim
36 words
The combination of claim 1 wherein the cost of said second drum as compared to the cost of said first drum is such that said second drum is disposable while said first drum is economically salvageable.
Claim 7
Dependent Claim
13 words
The combination of claim 1 wherein said pillow-like support is punctured and disposable.
Claim 8
Dependent Claim
15 words
The combination of claim 1 wherein said pillow-like support has means for reinflating the same.
Claim 9
Dependent Claim
19 words
The combination of claim 1 wherein said pillow-like support has means for reinflating the same and is economically salvageable.
Claim 10
Dependent Claim
21 words
The combination of claim 1 wherein said first drum is a steel drum and said second drum is a fibre drum.
Claim 11
Independent Claim
72 words
A method of packaging a harmful material, said method comprising the steps of providing a strong first drum, placing an inflated support within said first drum, seating a relatively weak second drum in said first drum on said support with said second drum projecting out of said first drum, filling and closing said second drum, deflating said support to lower and fully seat in said first drum, and closing said first drum.
Claim 12
Independent Claim
72 words
A method of packaging a harmful material, said method comprising the steps of providing a strong first drum, placing an inflated support within said first drum, seating a relatively weak second drum in said first drum on said support with said second drum projecting out of said first drum, filling and closing said second drum, deflating said support to lower and fully seat in said first drum, and closing said first drum.
Claim 13
Dependent Claim
13 words
A method according to claim 10 wherein said support is deflated by puncturing.
Claim 14
Dependent Claim
44 words
A method according to claim 10 wherein at a point of destination said first drum is opened, said support is reinflated to lift said second drum relative to said first drum to a position wherein a top portion of said second drum is accessible.