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US 10,676,301 B2Granted
Expanded metal core
AssigneeWallner Expac, Inc.
InventorMichael H. Wallner
Life of this patent
Estimating the term…
Abstract
A material roll includes a core made from expanded metal, and a first sheet of material wound a plurality of times over the core.
Claims21
A material roll comprising:
- a core made from expanded metal;
- and
- a sheet of material wound a plurality of times over said core, wherein said sheet material is dispensable from said core, wherein said sheet of material is separate from the core prior to being wound over said core, wherein the core extends axially from a first end to a second end, wherein a first circumferential end is defined on the first end and a second circumferential end is defined on the second end, the core further comprising a first covering over said first end and a second covering over said second end.
A material roll comprising:
- a core made from expanded metal;
- and
- a sheet of material wound a plurality of times over said core, wherein said sheet material is dispensable from said core, wherein said sheet of material is separate from the core prior to being wound over said core, wherein the core extends axially from a first end to a second end, wherein a first circumferential end is defined on the first end and a second circumferential end is defined on the second end, wherein the first circumferential end is defined by bending a portion of said expanded metal onto to itself and wherein the second circumferential end is defined by bending another portion of said expanded metal onto itself.
A material roll comprising:
- a core made from expanded metal;
- and
- a sheet of material wound a plurality of times over said core, wherein said sheet material is dispensable from said core, wherein said sheet of material is separate from the core prior to being wound over said core, and wherein the sheet of material is a sheet of expanded metal.
Dependencies are inferred from the claim text.