Predominantly paperboard spacer comprising interlocked beams

Details Predominantly paperboard spacer comprising interlocked beams Predominantly paperboard spacer comprising interlocked beams

1994-03-25

1995-02-07

Dorner, Kenneth J.

Horizontally supported planar surfaces

Industrial platform

Formed from folded semirigid material

108 571, B65D 1900

Patent

active

053867866

ABSTRACT:
A spacer comprises two interlocked beams, each folded from a sheet of corrugated paperboard so as to have a base panel and panels on each side of a plane intersecting the base panel approximately at a right angle. In each beam, the panels on each side include a side panel extending from the base panel, an outer panel extending inwardly from the side panel approximately to the intersecting plane, an inner panel extending from the inwardly extending outer panel approximately to the base panel, and panels bracing and reinforcing such beam. Each beam has a notch opening at the base panel and receiving a portion of the other beam. Two tongues including portions of the base panel and portions of the side panels project toward each other and project partly over the notch. Each beam has recesses extending along folds and receiving the projecting tongues of the other beam.

REFERENCES:
patent: 2709559 (1955-05-01), Geisler
patent: 3165078 (1965-01-01), White
patent: 3683822 (1972-08-01), Roberts et al.
patent: 4792325 (1988-12-01), Schmidtke
patent: 4979446 (1990-12-01), Winebarger
patent: 5184558 (1993-02-01), Wozniacki
patent: 5218913 (1993-06-01), Winebarger et al.

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