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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0064910 (1993-05-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
An I-beam structure is made from discarded tire belts wherein the beam web is constructed from two car or truck tire belts joined centrally along their lengths tread to tread. Flange members are made of a two ply laminated structural material wherein each ply is a continuous car tire belt, and the t
An I-beam structure, comprising: a web formed from two tire belts attached together tread surface to tread surface centrally along their lengths, the web having longitudinal side portions capable of being bonded to flange forming members; and first and second flange forming members of a two ply lami
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