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Ductile nickel-silicon alloy
An improvement over prior compositions wherein the ductility of Ni-Si alloys are improved with minor alloying additions of hafnium or zirconium.
Date:
August 6, 1990
Creator:
Oliver, W. C.
System:
The UNT Digital Library
Electrical safety device
This invention consists of an electrical safety device for use in power tools that is designed to automatically discontinue operation of the power tool upon physical contact of the tool with a concealed conductive material. A step down transformer is used to supply the operating power for a disconnect relay and reset delay. When physical contact is made between the power tool and the conductive material, an electrical circuit through the disconnect relay is completed and the operation of the power tool is automatically interrupted. Once the contact between the tool and conductive material is broken, the power tool can be quickly and easily reactivated by a reset push button activating the reset relay. A remote reset is provided for convenience and efficiency of operation.
Date:
September 6, 1990
Creator:
White, D. B.
System:
The UNT Digital Library
Ductile nickel-silicon alloy
An improvement over prior compositions wherein the ductility of Ni-Si alloys are improved with minor alloying additions of hafnium or zirconium.
Date:
August 6, 1990
Creator:
Oliver, W. C.
System:
The UNT Digital Library