Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1992-02-06
1992-09-08
Larson, Lowell A.
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72368, B21K 2106
Patent
active
051448300
ABSTRACT:
A method is provided for the production of nodes for tubular truss structures comprised of tubular leg elements connected together by transverse tubular brace elements by means of intermediate joint elements each including a connecting stub element between said leg and brace elements, the improvement wherein said stub element is prepared by the following steps from a steel plate:
REFERENCES:
patent: 691454 (1902-01-01), Dies
patent: 4790172 (1988-12-01), Simensen et al.
Fabbri Ferruccio
Ferrotti Giannio
Larson Lowell A.
Terni Acciai Speciali S.p.A.
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