US331324A - piffard - Google Patents
piffard Download PDFInfo
- Publication number
- US331324A US331324A US331324DA US331324A US 331324 A US331324 A US 331324A US 331324D A US331324D A US 331324DA US 331324 A US331324 A US 331324A
- Authority
- US
- United States
- Prior art keywords
- file
- piffard
- new york
- metal
- teeth
- 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
- 239000002184 metal Substances 0.000 description 22
- 230000036346 tooth eruption Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D71/00—Filing or rasping tools; Securing arrangements therefor
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/18—File or rasp
Definitions
- the object of my invention is to produce an improved file for filing curved surfaces.
- My invention consists of an elastic metal file, or strip of spring metal having single-cut, double-cut, or other cutting-teeth.
- the file may he made by taking a strip or piece of spring-steel and forn ing thereon the cutting-teeth in any desired manne'; or the cutting-teeth may be formed on a blank of the desired shape, the material being in a soft state, and the teniper or desired elasticityimparted afterward.
- the file might be made froni other materials-snoh, for instance, as brass; but steel is preferable on account of its superior hardness.
- the finished file of my invention consists of an elastic metal having file-teeth of any desired kind.
- the finished elastic metal file is capable of application to curved sur-faces with eXtensive contact in contradistinction to ordinary rigid metal files, which can be in contact with a curved surface to a limited extent only.
- My improved elastic metal file is especially useful as a nail or manicure file, and in dental Operations, but may obviously he Inadein various'forns and be used for other purposes.
- an elastic metal file or piece of spring metal having suitably-formed file teeth upon its surface, substantially as set forth.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
(NO Model.)
H. G. PIFFARD.
FILE. V No. 331,324. w Patented Dec. 1. 1885.
20&
Iy. 3. IHIIMMHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIII mu WIN/58858: V l/VVE/VTO? i %Za/W i A TTOH/VEY UNITED STATES PATENT OFFICE@ HENRY G. PIFFARD, OF NEW YORK, N. Y.
FILE.
SPECIPICATION forming part of Letters Patnt No. 331324, dated December l, 1885.
V Application filctl June 6, 1885. Serial No. 161828. (No'modelJ To all whom it may cancer-72 Be it known that I, HENRY G. PIFFARD, a citizen of the United States, and a resident of New York, in the County of New York and State of New York, have invented a certain new and useful Improved File, of which the following is a specification.
The object of my invention is to produce an improved file for filing curved surfaces.
My invention consists of an elastic metal file, or strip of spring metal having single-cut, double-cut, or other cutting-teeth.
I propose to make ny improved file of any metal suitably tempered or treatecl so that the finished file shall be elastic, but prefer to make the same of steel.
The file may he made by taking a strip or piece of spring-steel and forn ing thereon the cutting-teeth in any desired manne'; or the cutting-teeth may be formed on a blank of the desired shape, the material being in a soft state, and the teniper or desired elasticityimparted afterward.
The file might be made froni other materials-snoh, for instance, as brass; but steel is preferable on account of its superior hardness. In any case, however, the finished file of my invention consists of an elastic metal having file-teeth of any desired kind.
The finished elastic metal file is capable of application to curved sur-faces with eXtensive contact in contradistinction to ordinary rigid metal files, which can be in contact with a curved surface to a limited extent only.
My improved elastic metal file is especially useful as a nail or manicure file, and in dental Operations, but may obviously he Inadein various'forns and be used for other purposes.
In Figure l of the accompanying drawings I have shown an ordinary elastic metal Inancurefile, and in Fig. 2 the same is shown in edge view bent. In Fig. 3 isindicated an elas tic metal dental file.
What I claim as ny inventiomand desire to secure by Letters Patent, is
As a new article of nanufacture, an elastic metal file or piece of spring metal having suitably-formed file teeth upon its surface, substantially as set forth.
Signed at New York, in the County of New York and State of New York, this th day of June, A. D. 1885.
HENRY G. PIFFARD.
XVitnesses:
H. C. TOWNSEND, GEO. O. COFFIN.
Publications (1)
Publication Number | Publication Date |
---|---|
US331324A true US331324A (en) | 1885-12-01 |
Family
ID=2400424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US331324D Expired - Lifetime US331324A (en) | piffard |
Country Status (1)
Country | Link |
---|---|
US (1) | US331324A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325168A (en) * | 1980-06-30 | 1982-04-20 | Swentzel Kipling C | File for a chain saw |
US20110003244A1 (en) * | 2009-07-01 | 2011-01-06 | Daisuke Inoue | Toner, method for preparing the toner, and image forming method using the toner |
-
0
- US US331324D patent/US331324A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325168A (en) * | 1980-06-30 | 1982-04-20 | Swentzel Kipling C | File for a chain saw |
US20110003244A1 (en) * | 2009-07-01 | 2011-01-06 | Daisuke Inoue | Toner, method for preparing the toner, and image forming method using the toner |
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