Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-08-23
1991-09-03
Pirlot, David L.
Metal working
Method of mechanical manufacture
Electrical device making
29173, 439244, 439934, H01B 1900
Patent
active
050440667
ABSTRACT:
In a method of producing electrode receptacle assemblies for resisting sudden heat increases comprising the steps of selecting carbonate resin plastic having a density of 1.2 mg/m.sup.3, melt flow rate of 9 to about 12 g/10 m at 300 degrees Centigrade and 1,200 g load, and a tensile stress at yield of 63 MPa, a tensile stress at break of 68 MPa, a deflection temperature under load at 1.8 MPa of 133 degrees Centigrade and a dielectric stress of greater than 16 KV/mm; extruding the selected carbonate resin plastic to form the electrical receptacle with at least one hollow cylindrical section having two open ends; spinning a piece of PH bronze into a coil; subjecting said PH bronze coil to a temperature of 400 degrees Centrigrade for a period of one half hour; air cooling said PH bronze coil to room temperature; introducing high tension wire means through the one open end of said electrode receptacle and connecting same to the coil; locating the coil interiorally of the electrode receptacle at the one open end; introducing light means at the other open end for electrical connection to the coil and the high tension wire means to assemble the electrode receptacle capable of resisting sudden heat increases within said hollow cylindrical section.
REFERENCES:
patent: 3539969 (1970-11-01), Johnson et al.
patent: 3711917 (1973-01-01), Baumgras
patent: 3778877 (1973-12-01), Walker
patent: 4229780 (1980-10-01), Nelson
patent: 4387947 (1983-06-01), Lostumo et al.
patent: 4444446 (1984-04-01), Hageman
patent: 4460226 (1984-07-01), Hageman
patent: 4620763 (1986-11-01), Mochida
Slowski Darrel
Slowski David
Slowski Wasyl
Gierczak Eugene J. A.
Pirlot David L.
Williams Sign Supplies Ltd.
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