Method of making cambered beams
First Claim
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1. THE METHOD OF MANUFACTURING A CAMBERED I-BEAM INCLUDING, FIRST ESTABLISHING AN ELONGATE, WEB MEMBER WITH TRANVERSE CORRUGATIONS THROUGHOUT ITS LONGITUDINAL EXTENT FROM AN ELONGATE METAL STRIP HAVING PARALLEL SIDE EDGES, THEN FIXING AN ELONGATE FIRST CHORD MEMBER TO ONE EDGE OF THE WEB THROUGHOUT THE LONGITUDINAL EXTENT THEREOF, THEN CAMBERING THE ASSEMBLED FIRST CHORD MEMBER AND WEB, NEXT ARRANGING AN ELONGATE SECOND CHORD MEMBER ADJACENT THE OTHER EDGE OF THE WEB AND URGING IT INTO ENGAGEMENT THEREWITH AND FINALLY FIXING THE SECOND CHORD MEMBER TO THE WEB THROUGHOUT THE LONGITUDINAL THEREOF.
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1 Claim
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1. THE METHOD OF MANUFACTURING A CAMBERED I-BEAM INCLUDING, FIRST ESTABLISHING AN ELONGATE, WEB MEMBER WITH TRANVERSE CORRUGATIONS THROUGHOUT ITS LONGITUDINAL EXTENT FROM AN ELONGATE METAL STRIP HAVING PARALLEL SIDE EDGES, THEN FIXING AN ELONGATE FIRST CHORD MEMBER TO ONE EDGE OF THE WEB THROUGHOUT THE LONGITUDINAL EXTENT THEREOF, THEN CAMBERING THE ASSEMBLED FIRST CHORD MEMBER AND WEB, NEXT ARRANGING AN ELONGATE SECOND CHORD MEMBER ADJACENT THE OTHER EDGE OF THE WEB AND URGING IT INTO ENGAGEMENT THEREWITH AND FINALLY FIXING THE SECOND CHORD MEMBER TO THE WEB THROUGHOUT THE LONGITUDINAL THEREOF.
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Current AssigneeRobert D. Lichti
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Original AssigneeRobert D. Lichti
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InventorsLichti, Robert D.
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Application NumberUS04/291,827Time in Patent Office1,310 DaysField of SearchUS Class Current29/897.35CPC Class CodesB21D 47/04 composite sheet metal profilesE04C 3/40 of metal E04C3/46 takes pre...Y10T 29/49634 Beam or girderY10T 29/49863 with prestressing of part
