US1569130A - Method of hardening copper - Google Patents

Method of hardening copper Download PDF

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Publication number
US1569130A
US1569130A US534449A US53444922A US1569130A US 1569130 A US1569130 A US 1569130A US 534449 A US534449 A US 534449A US 53444922 A US53444922 A US 53444922A US 1569130 A US1569130 A US 1569130A
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United States
Prior art keywords
copper
heated
hardening
moistened
red
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Expired - Lifetime
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US534449A
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Nemitof Louies
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Individual
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/23—Vehicle door latches

Definitions

  • My invention relates to improvements in methods of hardening copper.
  • the object of my invention is to provide a novel, cheap and eflicient method of hardening copper.
  • the copper is heated to a bright red, and while so heated, it is embedded in a silicious substance, such as sand, mixed with a substance containing phosphorus, such as ground bone, the mixture being moistened with a hydrocarbon, such as white distillate oil derived from petroleum.
  • a silicious substance such as sand
  • a substance containing phosphorus such as ground bone
  • the copper after being heated to a bright red is covered with borax.
  • the copper is then again heated until the borax is fused and burned away, at which time the co per is embedded in the mixed bone, sand an oil, as above described.
  • the pro ortions used may be varied to a considerab e extent, but I have obtained good results when using equal parts of sand and bone dust moistened with the oil.
  • the copper is permitted to remain in the mixture until cooled, and the hardening is increased by leaving the copper in the mixture for a considerable period, several hours.
  • What I claim is 1.
  • the method of hardening copper consisting iin embedding copper heated to a briht red in a mixture moistened with a hy rocarbon and containing silica and phosphorus, substantially as set forth.
  • the method of hardening copper consisting in embedding copper heated to a bright red in a mixture moistened with a hydrocarbon and comprising sand and a substance containing phosphorus, substantially as setforth.
  • the method of hardening copper consisting in covering the copper heated to a bright red with borax, then heating the copper until the hora-x has fused and while the copper is at a bright red heat embedding it in equal parts of sand and bone mixed together and moistened with a mineral distillate oil, subtantially as set forth 13.
  • the method consisting in applying to copper heated to a red heat a substance containing hydrocarbon, silioiousi earth and phosphorus.
  • the method consisting in applying to copper heated to a red heat a. substance containing hydrocarbon, 'silieious earth, lime and phosphorus.

Description

Patented Jan. 12, 1926.
UNITED STATES LOUIES NEMITOF, OF KANSAS CITY, MISSOURI.
METHOD OF HARDENING COPPER.
No Drawing.
To all whom z't may concern:
Be it known that I, Looms Nnmrror, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented a certain new and useful Improvement in Methods of Hardening Copper, of which the following is a specification.
My invention relates to improvements in methods of hardening copper.
The object of my invention is to provide a novel, cheap and eflicient method of hardening copper.
In carrying my invention into efiect, the copper is heated to a bright red, and while so heated, it is embedded in a silicious substance, such as sand, mixed with a substance containing phosphorus, such as ground bone, the mixture being moistened with a hydrocarbon, such as white distillate oil derived from petroleum.
If a bright surface is desired, the copper after being heated to a bright red is covered with borax. The copper is then again heated until the borax is fused and burned away, at which time the co per is embedded in the mixed bone, sand an oil, as above described.
The pro ortions used may be varied to a considerab e extent, but I have obtained good results when using equal parts of sand and bone dust moistened with the oil. The copper is permitted to remain in the mixture until cooled, and the hardening is increased by leaving the copper in the mixture for a considerable period, several hours.
I do not limit my invention to the recise steps described, as modifications .t erein, within the scope of the appended claims, may be made without departing from the spirit of my invention.
What I claim is 1. The method of hardening copper consisting iin embedding copper heated to a briht red in a mixture moistened with a hy rocarbon and containing silica and phosphorus, substantially as set forth.
2. The method of hardening copper consisting in embedding copper heated to a bright red in a mixture moistened with a hydrocarbon and comprising sand and a substance containing phosphorus, substantially as setforth.
3. The method of hardening copper con- Application filed February 6, 1922.
'stance and forth. I
5. The method of hardening copper con-.
Serial No. 534,449.
bright red in a mixture moistened with a hydrocarbon and comprising a silicious sub sisting in embedding copper heated to a bri ht red in a mixture moistened with a hy rocarbon and comprising sand and asubstance containin phosphate of lime, substantially as set forth.
6. The method of hardening copper consisting in embedding copper heated to a. bright red in a mixture moistened with a hy rocarbon and comprising sand and ground bone, substantially as set forth.
7. The method of hardening copper consisting in embedding copper heated to a bright red in a mixture comprising substantially equal parts of sand and ground bone moistened with oil, substantially as set forth.
8. The method of hardening copper consisting in embedding copper heated to a bri ht red in mixed sand and ground bone molstened with mineral distillate oil, substantially as set forth.
9. The method of hardening copper consisting in embedding copper heated to a bright red in substantially equal parts of sand mixed with ground bone and moistened with mineral distillate oil, substantially as set forth.
10. The method of hardening copper consisting in covering copper heated to a bright red with borax, then heating the copper until the borax has fused and while the copper is at a bri ht red embedding it in a mixture moistene with a hydrocarbon and containing silica and'phosphorus, substantially as set forth.
11. The method of hardening copper'consisting in covering copper heated to a bright ground bone, substantially as set red with borax, then heating the copper moistened with a hydrocarbon, substantially as set forth.
sisting in embedding copper heated to a 12. The method of hardening copper consisting in covering the copper heated to a bright red with borax, then heating the copper until the hora-x has fused and while the copper is at a bright red heat embedding it in equal parts of sand and bone mixed together and moistened with a mineral distillate oil, subtantially as set forth 13. The method consisting in applying to copper heated to a red heat a substance containing hydrocarbon, silioiousi earth and phosphorus. 14. The method consisting in applying to copper heated to a red heat a. substance containing hydrocarbon, 'silieious earth, lime and phosphorus.
' In testimony whereof I have signed my name to this specification.
LOUIES NEMITOF.
US534449A 1922-02-06 1922-02-06 Method of hardening copper Expired - Lifetime US1569130A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007821A (en) * 1958-02-12 1961-11-07 Ampco Metal Inc Method of heat treating a cast aluminum bronze article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007821A (en) * 1958-02-12 1961-11-07 Ampco Metal Inc Method of heat treating a cast aluminum bronze article

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