Method for production of a mast shaped body

Details Method for production of a mast shaped body Method for production of a mast shaped body

2011-04-05

2011-04-05

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Structural member making

C029S897330, C029S505000, C029S524000, C248S219300

Reexamination Certificate

active

07918026

ABSTRACT:
A method for production of masts with extruded bodies includes joining at least three mast elements at corners of the mast by cooperating rail sections and channel sections. The channel sections are provided with tapered inner wall sections. The mast elements are joined by inserting the rail section of one mast element into a channel section of an adjacent mast element and clamping the rail section in the channel section. The clamping is accomplished moving a roller in a longitudinal direction on the external sides of the channel section and causing permanent deformation of the walls of the channel section around the rail section to establish a permanently joined corner.

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patent: 2000051958 (2000-02-01), None
patent: 309109 (2000-12-01), None
patent: WO 01/36750 (2001-05-01), None

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