High strength particleboard having reinforcing strips

Details High strength particleboard having reinforcing strips High strength particleboard having reinforcing strips

1990-04-02

1992-04-21

Robinson, Ellis P.

Stock material or miscellaneous articles

Nonparticulate element embedded or inlaid in substrate and...

428105, 428106, 428326, 4285371, 52312, 144332, 156293, 156298, B44C 126, B44C 128, B44C 312

Patent

active

051066661

ABSTRACT:
Composite particleboards and methods for manufacturing these particleboards are provided in which a plurality of discrete lignocellulosic particles are bonded together to form a core and then hot pressed with a plurality of reinforced strips having a thickness of less than about 6.4 mm for improving the bending strength of the particleboard structure. Both the modulus of rupture and modulus of elasticity of particleboard materials are demonstrated to have been improved significantly.

REFERENCES:
patent: 19174 (1858-01-01), Shedaker
patent: 1954754 (1934-04-01), Hartzell
patent: 2751946 (1956-06-01), Gramelspacher
patent: 3578523 (1971-05-01), Ohse
patent: 3652372 (1972-03-01), Klazkin
patent: 3837634 (1974-09-01), Cobb
patent: 3887415 (1975-06-01), Elmendorf
patent: 4122236 (1978-10-01), Holman
patent: 4361612 (1982-11-01), Shaner et al.
ASTM D 1554-78, American National Standard, "Standard Definitions of Terms Relating to Wood-Based Fiber and Particle Bound Materials".

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