Rigid-when-wet paperboard containers and their manufacture

Details Rigid-when-wet paperboard containers and their manufacture Rigid-when-wet paperboard containers and their manufacture

1975-04-14

1978-06-20

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

156210, 428186, 428375, 428526, B32B 328

Patent

active

040963055

ABSTRACT:
Rigid-when-wet, but foldable, corrugated paperboard and process of making same by applying phenolic resin to contiguous surfaces of the outer liner, the medium, and the inner liner without substantially altering the hygroscopicity of the exposed faces of the liners, and adhering the three components together before the resin is cured.

REFERENCES:
patent: 816226 (1906-03-01), Feder
patent: 2827873 (1958-03-01), Thorn
patent: 3265550 (1966-08-01), Lindquist
patent: 3431162 (1969-03-01), Morris
patent: 3483025 (1969-12-01), Isaacs
patent: 3617427 (1971-11-01), Le Blanc
patent: 3687767 (1972-08-01), Reisman et al.

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