Method of erection of pipe rail jointing system

Details Method of erection of pipe rail jointing system Method of erection of pipe rail jointing system

1979-11-16

1981-09-01

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

72410, 292835, 29282, 256 65, 2853822, B21D 3900, B23P 1100

Patent

active

042863724

ABSTRACT:
A tubular pipe rail jointing system consisting of posts and rails makes use of fittings on the posts providing sleeves into which ends of the tubular pipe rails are telescopingly received. For effective fabrication and erection it is preferable to cut the tubular pipe rails to proper length on the site. To assure a rugged installation, a dimple is pressed into the sleeve with a pressure punch of special construction. A cradle forming part of the tool fits around half the circumference of the sleeve while the punch under high pounds per square inch pressure is pressed progressively into the sleeve, at a point diametrically opposite the cradle, until material of the sleeve, deformed by the punch, is forced into a depression formed simultaneously in the end of the tubular pipe rail. The assembly described becomes interlocked by what has been termed a swedge lock.

REFERENCES:
patent: 470514 (1892-03-01), Simpson
patent: 505781 (1893-09-01), Vance
patent: 2090863 (1937-08-01), Feykert
patent: 2813330 (1957-11-01), Schmerheim
patent: 2950015 (1960-08-01), Pataky
patent: 3332272 (1967-07-01), Tonchen
patent: 3787033 (1974-01-01), Snyder et al.
patent: 3853203 (1974-12-01), Werner et al.
patent: 3901481 (1975-08-01), Probst

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