Joints and connections – Branched – Three or more radiating members
Patent
1976-04-22
1977-09-20
Kundrat, Andrew V.
Joints and connections
Branched
Three or more radiating members
F16B 100
Patent
active
040493563
ABSTRACT:
In a double-sigmoid connector, as used to interconnect structural members in a trusswork and comprises a pair of arcuate elbows joined to each other at their outer peripheral midsections, a pipe extends through an opening in the outer peripheral midsection of each elbow and is joined to each elbow so as to join the elbow to each other.
REFERENCES:
patent: 2221871 (1940-11-01), Kerr
patent: 3668876 (1972-06-01), Koehler
patent: 3709165 (1973-11-01), Blozis
patent: 3779656 (1973-12-01), Guy et al.
Article in Product Engineering, July 1950, pp. 134-135, "How to Connect Tubing - Cross and Tee Joints".
Billings Ronald Joseph
George Henry Howard
Chemetron Corporation
Esser N. M.
Kundrat Andrew V.
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