Pipe joints or couplings – Essential catch
Patent
1980-10-21
1983-10-11
Callaghan, Thomas F.
Pipe joints or couplings
Essential catch
285406, 403335, 403364, F16L 2300
Patent
active
044087870
ABSTRACT:
A system for connecting corresponding edge areas of adjacent thin-walled bodies. Each edge area is provided with at least one bent notch portion which engages a corresponding bent notch portion carried by the other edge area, such that apertures provided in the notched portions are coaxially aligned to receive a common connecting member for securing the bodies together. A plurality of such notch portions may be spaced along the lengths of the corresponding edge areas to define a series of coaxial apertures through which an elongate connecting member is inserted for securing the bodies together.
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patent: 3982779 (1976-09-01), Hickey
patent: 4219081 (1980-08-01), Howe
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