Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1974-07-29
1977-05-17
Steiner, Arthur J.
Receptacles
Outlet or junction box type
Sectional receptacle
75142, 148 325, 148 115A, 148159, F25J 500
Patent
active
040236960
ABSTRACT:
Bottles for compressed gases of AU6MGT with good mechanical properties and resilience, coupled with resistance to intercrystalline corrosion and to corrosion under tension. These bottles are obtained by drawing on a mandrel, in the absence of supports or, better still, by the combined drawing of an extruded blank, quenched and aged, comprising a cylindrical part and a base, followed by tapering of the end at a temperature of from 350.degree. to 400.degree. C, the propagation of heat towards the cylindrical part being prevented by means of a cooling ring, and finally by quenching in cold water until cooling is complete. The bottles obtained by this method are extremely safe to use and satisfy the most stringent requirements, in particular in the field of aviation, space vehicles and in every case where it is desired to combine minimal weight with good resilience and high resistance to corrosion.
REFERENCES:
patent: 3414406 (1968-12-01), Doyle et al.
Societe Metallurgique de Gerzat
Steiner Arthur J.
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