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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0238213 (1994-05-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 51 인용 특허 : 0 |
A fabricated structural beam includes at least one longitudinally folded member having a web portion and a head portion. In different embodiments, a plurality of folded members may be interleaved with one another to provide configurations of varying load carrying capabilities. In all cases, the fold
An elongate structural member for building construction consisting of four members and comprising: a pair of web members each having a center section that is substantially planar, each said web member having a height dimension that is substantially identical and each said center section having a hei
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