US1329537A - Match-head composition - Google Patents
Match-head composition Download PDFInfo
- Publication number
- US1329537A US1329537A US298429A US29842919A US1329537A US 1329537 A US1329537 A US 1329537A US 298429 A US298429 A US 298429A US 29842919 A US29842919 A US 29842919A US 1329537 A US1329537 A US 1329537A
- Authority
- US
- United States
- Prior art keywords
- match
- perchlorates
- chlorates
- matches
- perchlorate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06F—MATCHES; MANUFACTURE OF MATCHES
- C06F3/00—Chemical features in the manufacture of matches
- C06F3/02—Wooden strip for matches or substitute therefor
Definitions
- My invention relates to the manufacture of matches and match-head compositions
- the invention is applicable to common or strike-anywhere 'matches and to safety matches.
- the oxidizing agent generally employed in match-head compositions is potassium chlorate, which is easily broken up by ordinary rubbing friction so as to yield upits oxygen to burn the combustibles.
- My purpose is to provide an oxidizing agent for these compositions, which is more effective,
- Chlorates have three oxygen While the perchlorates have four. As the economic value of the chlorates in matches really depends on its oxygen percentage it follows that perchlorates having more oxygen Will have more economic value than the chlorates. That is to say, perchlorates, hav-' ing 25% more oxygen than the chlorates,
- Potassium chlorate is the only salt commonly used in the match industry.
- Ammonium chlorate is too unstable for use.
- binders such as glues and gums; flamers, such as phosphorus and sulfur compounds; oxidizers, one or more perchlorates;'fillers and friction substances-powdered sand, powdered glass,
Description
. No Drawing. H
UNITED STATES PATENT OFFICE.
JOHN R. MARDICK, OF NEW YORK, N. Y.
MATCH-HEAD COMPOSITION.
My invention relates to the manufacture of matches and match-head compositions,
I and has for its object to produce matches more cheaply and advantageously, and with improvement in the product. The invention is applicable to common or strike-anywhere 'matches and to safety matches.
The oxidizing agent generally employed in match-head compositions is potassium chlorate, which is easily broken up by ordinary rubbing friction so as to yield upits oxygen to burn the combustibles. My purpose is to provide an oxidizing agent for these compositions, which is more effective,
1 produces a steadier burning match, (less-violence or sputtering), and, all things considered, at less expense, and with greater convenience and safety in the manufacture. This is accomplished by substituting one or i more perchlorate compounds in place of the usual chlorate.
The following. are advantages in displacing chlorates with perchlorates inmatchhead compositions. I Y
1. Chlorates have three oxygen While the perchlorates have four. As the economic value of the chlorates in matches really depends on its oxygen percentage it follows that perchlorates having more oxygen Will have more economic value than the chlorates. That is to say, perchlorates, hav-' ing 25% more oxygen than the chlorates,
will have 25% more oxidizing value.
2. Potassium chlorate is the only salt commonly used in the match industry.
Ammonium chlorate is too unstable for use.
Sodium chlorate is too hygroscopic. On the other hand, there are several examples of perchlorate compounds, like p0:
tassium, ammonium, sodium, and barium perchlorates which are available for the,
match industry.
3. In making the chlorates it requires substantial time and care to prepare pure chlorates.
On the other hand, it is commercially easy to make and purify perchlorates as com- Specification of Letters Patent.
Application filed May 20, 1919. Serial No. 298,429.
atoms,
Patented Feb. 3, 920.
pared with the chlorates. Thus, potassium, sodium, and ammonium perchlorates are easily crystallized out and separated, much more so than the corresponding chlorates.
4. In preparing oxidizing materials for matches, it is necessary to have them ground fine. In the case of chlorates, the grinding and handling is more dangerous than with the perchlorates- 5. While it requires more electric current to put on the extra oxygen in the chlorate, in order to make perchlorates, this cost item is ofiset by the cheapness in handling and purifying the perchlorates, and the smaller amount required.
Other advantages may be found.
In carrying out my invention, I can make use of all the known ingredients in match compositions and displace the chlorate in its entirety or in substantial proportion with perchlorate in all compositions and formulas 'by which common strike-anywhere and the following proportions 80 parts of potassium perchlorate against 100-parts potassium chlorate,
' 75 parts of sodium perchlorate against 100 parts potassium chlorate,
7 0 parts of ammonium perchlorate against 100 parts potassium chlorate.
These proportions hold good in all common match-head compositions, as Well as in so-called safety matches.
In proceeding with my invention I do not confine myself to any particular formula,
but I make free use of binders, 'such as glues and gums; flamers, such as phosphorus and sulfur compounds; oxidizers, one or more perchlorates;'fillers and friction substances-powdered sand, powdered glass,
chalk, gypsum, etc. For'example,
Common matches (head composition). Phosphorous sesqui-sulfidn 5 to 15 parts.
Sulfur, coloring matter, etc- 4 5 In the safety matches, where antimony sulfid and red phosphorus are commonly used, I simply displace the chlorate with the perchlorate, leaving all the other ingredients the same.
For a specific formula of a common match, I take the following:
Phosphorous sesqui-sulfid 6% Ammonium perchlorate 20% Glue 17% \Vater 35% Inert substances 22% Safety match. 1
.Red phosphorus"; 10% Potassium perchlorate nwm ..L 30% Chalk 7% Ground sand .27 Glue or gum arabic 16% Magnesium silicon; 10%
I find that the use of magnesium silicon, in connection with chlorates and perchlorates improves the'quality of matches, gives a steadiness to the match, causing the same to burn uniformly, Without spitting or spurt ing action, and therefore I claim the use of this ingredient as another part of my invention in the improvement of matches.
In making match compositions, While I Y prefer to use perchlorates, as principal oxidizing agents, I may also use chlorates and perchlorates mixed, though at least, 25% perchlorate in the oxidizing part of the composition would seem necessary for any technical advantage, and 50% or more up to the total is the contemplation of the invention. Naturally, two or more perchlorates could be used in the same composition, if desired.
What I claim as new is:
1. A match-head composition containing one or more perchlorates in substantial proportion as the oxidizing agent.
2. A match the head of which contains a perchlorate in substantial proportion as the oxidizing agent.
4 JOHN R. MARDICK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US298429A US1329537A (en) | 1919-05-20 | 1919-05-20 | Match-head composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US298429A US1329537A (en) | 1919-05-20 | 1919-05-20 | Match-head composition |
Publications (1)
Publication Number | Publication Date |
---|---|
US1329537A true US1329537A (en) | 1920-02-03 |
Family
ID=23150475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US298429A Expired - Lifetime US1329537A (en) | 1919-05-20 | 1919-05-20 | Match-head composition |
Country Status (1)
Country | Link |
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US (1) | US1329537A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130082A (en) * | 1977-06-06 | 1978-12-19 | Gte Sylvania Incorporated | Flashlamp assembly for providing highly intense audible and visual signals |
US5259899A (en) * | 1991-01-08 | 1993-11-09 | Bryant & May Ltd. | Ferrophosphorus containing match head formulations |
-
1919
- 1919-05-20 US US298429A patent/US1329537A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130082A (en) * | 1977-06-06 | 1978-12-19 | Gte Sylvania Incorporated | Flashlamp assembly for providing highly intense audible and visual signals |
US5259899A (en) * | 1991-01-08 | 1993-11-09 | Bryant & May Ltd. | Ferrophosphorus containing match head formulations |
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