Interlocked metal seam structure with in-plane stabilization

Details Interlocked metal seam structure with in-plane stabilization Interlocked metal seam structure with in-plane stabilization

1983-03-16

1985-09-03

Bryant, III, James E.

Pipes and tubular conduits

Longitudinally seamed

With tongue in slot

138156, F16L 912

Patent

active

045386471

ABSTRACT:
A formed metal ring, made from a strip of material which has a tongue at one end and a groove at the other. The tongue and groove are interdigitaled to form a seam, and abut each other with an interference at their edges. The interference is made by flattening a dimple into the plane of the material so as to move the material of one edge into interference with the other edge. The ring has a perimeter pattern in its surface containing the shapes resulting from the flattening of the dimple.

REFERENCES:
patent: 578801 (1897-03-01), Wilmot
patent: 2330207 (1943-09-01), England et al.
patent: 2762117 (1956-09-01), Houck
patent: 2860540 (1958-11-01), Karlsson
patent: 3004326 (1961-10-01), Merz
patent: 3094197 (1963-06-01), Attwood
patent: 3099238 (1963-07-01), Jones
patent: 3273601 (1966-09-01), De Gain
patent: 3526073 (1970-09-01), Brady

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