Claims
- 1. A match having a friction ignitable tip, said tip consisting essentially of a blend of
- A. from 40 to 60 weight percent of igniting component, said igniting component consisting essentially of from 50 to 100 weight percent of potassium chlorate and the balance is potassium bichromate, manganese dioxide or mixture thereof,
- B. from 0.1 to 10 weight percent of cellulose nitrate particles having a particle size of less than 840 microns,
- C. from 20 to 35 weight percent of an ignition controlling component consisting essentially of a major amount of glass powder mixed with a minor amount of substance selected from the group consisting of mica powder, talc, diatomaceous earth, boric acid, colloidal clay and mixtures thereof, and
- D. from 10 to 18 weight percent of binder selected from the group consisting of glue, gelatin and mixtures thereof, all percentages being calculated on a dry weight basis, said tip having been prepared by mixing said cellulose nitrate particles wetted with water so as to contain more than 20 weight percent of water, based on the combined weights of said cellulose nitrate particles and water, and being free of organic solvent, with the other ingredients of said tip, and then drying the tip.
- 2. A match as claimed in claim 1, in which said tip contains from 45 to 55 weight percent of A, from 1.5 to 6.0 weight percent of B, from 25 to 35 weight percent of C and from 10 to 14 percent of D.
CROSS REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of Ser. No. 654,346, filed Feb. 2, 1976, now U.S. Pat. No. 4,040,879.
US Referenced Citations (6)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
654346 |
Feb 1976 |
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