Structural members comprised of composite wood material and havi

Details Structural members comprised of composite wood material and havi Structural members comprised of composite wood material and havi

1981-05-18

1982-10-26

Ives, P.

Railways: surface track

Ties

Nonmetallic

428 63, 428113, 428171, 428194, 428218, 428326, 428170, 4284251, 428528, 428529, 428537, 156 622, 156283, 156284, 156296, 52720, 52721, 256 131, 40607, E01B 2104, B32B 904

Patent

active

043557546

ABSTRACT:
The disclosed invention includes an improved construction of structural members such as railroad crossties, highway spin posts and highway guard posts and to construction of said members from composite wood material including elongated wood flakes and to a method for making such improved structures.

REFERENCES:
patent: 2139880 (1938-12-01), Colucci
patent: 2315967 (1943-04-01), Knowlton
patent: 2509642 (1950-05-01), Horsak
patent: 2729584 (1956-01-01), Foster
patent: 3919017 (1975-11-01), Shoemaker et al.
patent: 4105159 (1978-08-01), Brown
patent: 4241133 (1980-12-01), Lund et al.
patent: 4286753 (1981-09-01), Lee

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