Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1993-10-18
1995-05-02
Loney, Donald J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
428 90, 428119, 428182, 108 513, B32B 328, B65D 1934
Patent
active
054117860
ABSTRACT:
A corrugated board made scaffold board structure with high strength, including a bearing board and several leg boards disposed thereunder. The bearing board is composed of a lower longitudinal corrugated board, a middle transverse corrugated board and an upper longitudinal corrugated board which are attached to one another. Each of the leg boards is composed of several corrugated boards attached to one another. Alternatively, the scaffold board structure can be composed of several bearing boards and several leg boards, wherein each of the bearing boards is composed of several corrugated boards having a relatively small width and attached to one another. Each of the corrugated boards is made of A-class flock paper with high compression strength and is vertically disposed. On two lateral sides of each the corrugated board are attached several carton boards. A layer of solvent-free thermo-melting glue (EVA, ethylene-vinyl acetate resin) is painted on an upper surface of the bearing board to increase bearing strength and hardness of the scaffold board.
REFERENCES:
patent: 3380403 (1968-04-01), Sullivan
patent: 3606844 (1971-09-01), Lubker et al.
patent: 5129329 (1992-07-01), Clasen
patent: 5156094 (1992-10-01), Johansson
patent: 5327839 (1994-07-01), Herring et al.
patent: 5366790 (1994-11-01), Liebel
Loney Donald J.
Ta Yen Paper Box Container Co., Ltd.
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