Method of manufacturing a vertical scaffolding element, and...

Details Method of manufacturing a vertical scaffolding element, and... Method of manufacturing a vertical scaffolding element, and...

2006-08-15

2006-08-15

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Self-sustaining

Connector for horizontal or diagonal brace

C403S049000

Reexamination Certificate

active

07090052

ABSTRACT:
The invention relates to a vertical scaffolding element consisting of a tubular portion provided with a number n of radially projecting sockets, distributed peripherally in a star arrangement, designed for the attachment of one end of a horizontal crosspiece of the scaffolding; the sockets are defined by a metal strip folded in order to form a star-shaped part closed on itself having protuberances forming the said sockets alternating with re-entrant regions bearing against the tubular portion, the upper and lower edges of the re-entrant regions in contact with the tubular portion being welded thereto by continuous or discontinuous annular weld beads.

REFERENCES:
patent: 1.553.487 (1968-12-01), None
patent: 2 207 875 (1989-02-01), None

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