Title: Time delay fuse

Abstract: 1. A method of making a time delay fuse comprising the steps of overlaying a fuse strip consisting essentially of a paper formed of non-combustible insulating fibers filled with a combustible compositon which evolves substantially no gas on burning with a backing strip wider than said fuse strip consisting essentially of a paper formed from non-combustible insulating fibers, both ends of said fuse strip extending beyond and normal to said backing strip, winding said overlaid fuse strip in a flat spiral around the circumference of a cylindrical core formed from non-combustible insulating fibers to form a cylindrical body having said both fuse strip ends exposed on the surface of said core while maintaining a high water content in said fuse strip, backing strip and core, axially compressing said body to form a compact, and drying said compact.

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Inventors: Bowman, Donald E. (Baltimore, MD, US)

Application Number: 356187
Filing Date: 1964-03-31
Publication_date: 1976-09-21
Assignee: Catalyst Research Corporation (Baltimore, MD)
Primary Class(es): 86/1.1 86/22
Other Classes:
US Patent Ref:

2164509	Jul, 1939	Fleming et al.	102/27.
2416639	Feb, 1947	Pearsall	102/27.

Other Refs: 746,843

Mar, 1956	UK

Primary Examiner: Bentley, Stephen C.
Assistant Examiner: Tudor, Harold
Attorney: