US202020A - Improvement in piano-strings - Google Patents
Improvement in piano-strings Download PDFInfo
- Publication number
- US202020A US202020A US202020DA US202020A US 202020 A US202020 A US 202020A US 202020D A US202020D A US 202020DA US 202020 A US202020 A US 202020A
- Authority
- US
- United States
- Prior art keywords
- strings
- piano
- improvement
- wrapped
- wire
- 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
- 229910000831 Steel Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 231100000078 corrosive Toxicity 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 230000002542 deteriorative Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/10—Strings
Definitions
- My invention relates to an improvement in wire-wrapped piano-strings; and the object of my invention is to render such strings proof against the deteriorating effects of moisture, and at the same time to render the tones emitted by the strings more clear and resonant.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Arc Welding In General (AREA)
Description
H. W. GRAY. Piano String.
No. 202,020. Patented April 2, 1878.
IIIIIIIIIIIIIIIllllllllllllllllll j UNITED STATES PATENT OFFICE.
HENRY W. GRAY, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN PIANO-STRINGS.
Specification forming part of Letters Patent N0. 202,020, dated April 2,1878; application filed March 3, 1876.
To all whom it may concern:
Be it known that I, HENRY W. GRAY, of Philadelphia, Pennsylvania, have invented an Improvement in Piano-Strings, of which the following is a specification:
My invention relates to an improvement in wire-wrapped piano-strings; and the object of my invention is to render such strings proof against the deteriorating effects of moisture, and at the same time to render the tones emitted by the strings more clear and resonant.
Ordinary strings, to which my invention relates, and which consist of cores of steel wire closely wrapped with finer copper wire, are liable to be injured by the action of the atmosphere, which, at certain seasons of the year and in different localities and climates, has such a corrosive effect on the metal as to impair the quality of the tones emitted by the strings.
In order to obviate these objections I take the usual copper-wrapped wire, an exaggerated view of which is shown in the accompanying drawing, and subject it to the electro-gilding process, which is too well known to those engaged in the art to need description.
The deposit of gold on the wrapped string not only renders it proof against atmospheric influences, but the coils of wrapped wire are rendered more permanent, and practical tests have demonstrated the fact that the tones emitted by the strings are more clear, resonant, and of greater volume than those emitted from the ordinary wrapped wire.
I claim as my invention- As a new manufacture, a piano-string consisting of steel wire closely wrapped with copper wire, and subsequently electro-gilded, as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
HENRY W. GRAY.
Witnesses:
HARRY HOWSON, J r., HARRY SMITH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US202020A true US202020A (en) | 1878-04-02 |
Family
ID=2271425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US202020D Expired - Lifetime US202020A (en) | Improvement in piano-strings |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US202020A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2535143A (en) * | 1947-03-13 | 1950-12-26 | Jr Jan Kosmis | String for musical instruments |
| US2710557A (en) * | 1949-11-18 | 1955-06-14 | Sundt Engineering Company | Musical instrument strings |
| US20090217795A1 (en) * | 2005-11-16 | 2009-09-03 | Sina Vosough | String for Musical Instrument |
| US20090251998A1 (en) * | 2008-04-02 | 2009-10-08 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US20090278670A1 (en) * | 2008-04-04 | 2009-11-12 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US20110223961A1 (en) * | 2010-03-10 | 2011-09-15 | Fujitsu Limited | System and Method for Implementing Power Distribution |
-
0
- US US202020D patent/US202020A/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2535143A (en) * | 1947-03-13 | 1950-12-26 | Jr Jan Kosmis | String for musical instruments |
| US2710557A (en) * | 1949-11-18 | 1955-06-14 | Sundt Engineering Company | Musical instrument strings |
| US20090217795A1 (en) * | 2005-11-16 | 2009-09-03 | Sina Vosough | String for Musical Instrument |
| US7781655B2 (en) * | 2005-11-16 | 2010-08-24 | Sandvik Intellectual Property Ab | String for musical instrument |
| US20090251998A1 (en) * | 2008-04-02 | 2009-10-08 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US8130597B2 (en) | 2008-04-02 | 2012-03-06 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US20090278670A1 (en) * | 2008-04-04 | 2009-11-12 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US8050149B2 (en) * | 2008-04-04 | 2011-11-01 | Montres Breguet S.A. | Gong for the striking work or alarm of a watch |
| US20110223961A1 (en) * | 2010-03-10 | 2011-09-15 | Fujitsu Limited | System and Method for Implementing Power Distribution |
| US20110223960A1 (en) * | 2010-03-10 | 2011-09-15 | Fujitsu Limited | System and Method for Implementing Power Distribution |
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