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US 2018/0144900 A1Published application
Foam fuse filler and cartridge fuse
AssigneeLittelfuse, Inc.
InventorsRoel Retardo, Albert Enriquez
Life of this patent
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Abstract
Fuses having a melamine-coated-steatite foam filler are described. In particular, melamine-coated-steatite foam filler for use in a fuse comprising steatite coated in a melamine compound (e.g., plasticized melamine resin) and then heated to form crystalline foam filler are described. The foam filler may comprise steatite of substantially 3 times the melamine compound by weight and may be heated and then cooled to form the foam filler.
Claims7
A method of making a fuse comprising:
- inserting a fuse element into a cavity in a hollow fuse body;
- attaching a first end cap to the hollow fuse body and electrically connecting a first end of the fuse element to the first end cap;
- adding a mixture of particles including a melamine compound and a steatite of at least 2 times the melamine compound by weight to the cavity such that the mixture of particles are disposed around the fuse element;
- attaching a second end cap to the hollow fuse body and electrically connecting a second end of the fuse element to the second end cap.
1 more element
Dependencies are inferred from the claim text.