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US 5,631,621 AGranted
Cartridge thermal fuse with an adhesive metal excellent in adhesion with the melted fusible alloy
OwnerTakuo Nakajimainventor
Life of this patent
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Abstract
The thermal fuse comprises a fuse base having a wire fuse element of a fusible alloy connecting lead wires and a cartridge forming an enclosed space for accommodating the wire fuse element by surrounding the wire fuse element and closing both ends thereof at the lead wires. In this space, a sucker having a suction surface composed of an adhesive metal excellent in adhesion with the fusible alloy is disposed.
Claims9
A thermal fuse comprising
- a fuse base composed of a wire fuse element made of a fusible alloy melted by heating and lead wires connected to both ends of the wire fuse element and
- a cartridge extending between the lead wires in the lengthwise direction thereof, while surrounding the wire fuse element, and of which both ends being fixed and closed at the lead wires so as to form an enclosed space for accommodating the wire fuse element, wherein
- the cartridge and lead wires are insulated, and
- a sucker having a suction surface composed of an adhesive metal excellent in adhesion with the melted fusible alloy is disposed in the space, while facing the suction surface to the wire fuse element.
1 more element
Dependencies are inferred from the claim text.