US1987451A - Precious metal alloy composition - Google Patents
Precious metal alloy composition Download PDFInfo
- Publication number
- US1987451A US1987451A US745587A US74558734A US1987451A US 1987451 A US1987451 A US 1987451A US 745587 A US745587 A US 745587A US 74558734 A US74558734 A US 74558734A US 1987451 A US1987451 A US 1987451A
- Authority
- US
- United States
- Prior art keywords
- precious metal
- metal alloy
- alloy composition
- indium
- alloy
- 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
- 239000000203 mixture Substances 0.000 title description 5
- 229910000923 precious metal alloy Inorganic materials 0.000 title description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000003353 gold alloy Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 102100040853 PRKC apoptosis WT1 regulator protein Human genes 0.000 description 1
- 101710162991 PRKC apoptosis WT1 regulator protein Proteins 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
-
- 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
- Y10S29/00—Metal working
- Y10S29/022—Method or apparatus using indium
Definitions
- I utilize the fol- I claim: lowing elements combined in proportions by A precious metal alloy composition composed weight within the following ranges: I of from 25 to 65% of gold, from 2 to 25% of pal- Per cent ladium, from 10 to 33% of silver, from 10 to 25% Gold to of copper, and from to 5% of indium. 20
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Adornments (AREA)
Description
Patented Jan. 8, 1935 V UNITED STATES PATENT OFFICE PRECIOUS METAL ALLOY COMPOSITION Norris 0. Taylor, Minneapolis, Minn., assignor to Spyco Smelting and Refining Company, Minneapolis, Minn.
No Drawing. Application September 26, 1934, Serial No. 745,587
1 Claim. (Cl. 75-1) My invention relates to precious metal alloy Among the advantages of my alloy are the folcompositions. It relates more particularly to lowing: compositions of this character for use in wrought 1. It resists oral and atmospheric corrosion. and cast dental work and for use in manufactur- 2. It melts smoothly and casts easily. 5 ing jewelry. An object of the invention in gen- 3. It is lighter in weight than the conventional 15 eral is to produce an alloy which has distinct dental casting gold alloys. advantages for such uses and an object in par- 4. It is of pleasing color. ticular is to improve on the composition disclosed 5. The melting range is in the same temperaand claimed in my Patent No. 1,965,012, issued ture range as that of gold alloys commonly used July 3, 1934. in dentistry and is considerably lower than that 10 The full objects and advantages of my invenof the alloy disclosed in my'prior patent above tion will appear in connection with the detailed referred to. description thereof and the novel featuresof the The use of indium is of particular importance invention will be particularly pointed out in the in controlling or improving color, corrosion reclaim. sistance, melting range, hardness, and strength. 15
In carrying out my invention, I utilize the fol- I claim: lowing elements combined in proportions by A precious metal alloy composition composed weight within the following ranges: I of from 25 to 65% of gold, from 2 to 25% of pal- Per cent ladium, from 10 to 33% of silver, from 10 to 25% Gold to of copper, and from to 5% of indium. 20
Palladium 2 to 25 V Silver; 10 to 33 NORRIS O. TAYLOR. Copper 10 to 25 Indium; to 5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US745587A US1987451A (en) | 1934-09-26 | 1934-09-26 | Precious metal alloy composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US745587A US1987451A (en) | 1934-09-26 | 1934-09-26 | Precious metal alloy composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1987451A true US1987451A (en) | 1935-01-08 |
Family
ID=24997340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US745587A Expired - Lifetime US1987451A (en) | 1934-09-26 | 1934-09-26 | Precious metal alloy composition |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1987451A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2438967A (en) * | 1943-05-21 | 1948-04-06 | Indium Corp | Indium-gold article and method |
| US2596454A (en) * | 1949-09-10 | 1952-05-13 | Metals & Controls Corp | Gold alloys |
| US3424577A (en) * | 1966-05-25 | 1969-01-28 | Jelenko & Co Inc J F | Metal alloy composition |
| US3767391A (en) * | 1969-05-19 | 1973-10-23 | Pennwalt Corp | Tarnish resistant alloy |
| US3819366A (en) * | 1969-03-21 | 1974-06-25 | Aurium Res Corp | Dental alloy |
| USB483256I5 (en) * | 1973-06-15 | 1976-02-10 | ||
| US4123262A (en) * | 1977-07-06 | 1978-10-31 | Pennwalt Corporation | Dental gold alloy |
| US4350527A (en) * | 1980-05-01 | 1982-09-21 | Daniel Davitz | Gold-colored, acid and corrosion resistant alloy |
| US4865809A (en) * | 1988-09-30 | 1989-09-12 | Daniel Davitz | Copper-free gold alloy composition |
| US5635131A (en) * | 1994-05-27 | 1997-06-03 | Hoover & Strong, Inc. | Palladium white gold alloy ring settings and method of making same |
-
1934
- 1934-09-26 US US745587A patent/US1987451A/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2438967A (en) * | 1943-05-21 | 1948-04-06 | Indium Corp | Indium-gold article and method |
| US2596454A (en) * | 1949-09-10 | 1952-05-13 | Metals & Controls Corp | Gold alloys |
| US3424577A (en) * | 1966-05-25 | 1969-01-28 | Jelenko & Co Inc J F | Metal alloy composition |
| US3819366A (en) * | 1969-03-21 | 1974-06-25 | Aurium Res Corp | Dental alloy |
| US3767391A (en) * | 1969-05-19 | 1973-10-23 | Pennwalt Corp | Tarnish resistant alloy |
| USB483256I5 (en) * | 1973-06-15 | 1976-02-10 | ||
| US3981723A (en) * | 1973-06-15 | 1976-09-21 | Pennwalt Corporation | White gold alloy |
| US4123262A (en) * | 1977-07-06 | 1978-10-31 | Pennwalt Corporation | Dental gold alloy |
| US4350527A (en) * | 1980-05-01 | 1982-09-21 | Daniel Davitz | Gold-colored, acid and corrosion resistant alloy |
| US4865809A (en) * | 1988-09-30 | 1989-09-12 | Daniel Davitz | Copper-free gold alloy composition |
| US5635131A (en) * | 1994-05-27 | 1997-06-03 | Hoover & Strong, Inc. | Palladium white gold alloy ring settings and method of making same |
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