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.
Patent Number
4,355,754
Assignee
Board of Control of Michigan Technological University, Houghton, Mich.
Application Number
264,222
Date Filed
5-18-1981
Certificate of Correction
Yes
Issue Date
10-26-1982
Disciplines
Civil and Environmental Engineering | Engineering | Materials Science and Engineering
Recommended Citation
Lund, Anders E. and Krueger, Gordan P., "Structural members comprised of composite wood material and having zones of diverse density" (1982). Michigan Tech Patents. 36.
https://digitalcommons.mtu.edu/patents/36
Comments
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