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US 11,440,284 B2Granted
Paperboard panel and method of making same
OwnerGregory R. Kulainventor
Life of this patent
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Abstract
A sheet structure, fabricated from paper and/or paperboard material, provides a thickness dimension ordinarily associated with corrugated paperboard material. The sheet structure is constructed from a first planar linerboard sheet and a second non-planar linerboard sheet, wherein a plurality of projections are cut and folded from the second linerboard sheet and are adhesively coupled to the first linerboard sheet, such that portions of the projections define a standoff between the first and second linerboard sheets.
Claims6
A paperboard panel, comprising:
- a first linerboard;
- a second linerboard;
- and
- at least one spacer structure extending between the first linerboard and the second, the at least one spacer structure further comprising at least one flap member extending monolithically from one of the first and second linerboards, a tip of the at least one flap member being coupled to an inwardly-facing surface of the other of the first and second linerboards;
- wherein the at least one flap member further comprises
- at least two flap members, extending from and defining at least in part, corresponding portions of an edge of a single aperture in the first linerboard, wherein each of the at least two flap members further comprises a substantially triangular member having a base region adjacent one of said edge portions and each of the at least two flap members further comprises a free point disposed at an end of the flap member opposite said base region, wherein the free points of the at least two flap members are physically separate and spaced apart from one another at locations of attachment to the second linerboard.
3 more elements
Dependencies are inferred from the claim text.