US80822A - griffith - Google Patents
griffith Download PDFInfo
- Publication number
- US80822A US80822A US80822DA US80822A US 80822 A US80822 A US 80822A US 80822D A US80822D A US 80822DA US 80822 A US80822 A US 80822A
- Authority
- US
- United States
- Prior art keywords
- teeth
- pins
- griffith
- mould
- artificial
- 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
- 238000000034 method Methods 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
Definitions
- My invention consists of a process whereby the pins commonly employed for fastening artificial teeth to their vulcanite base are secured to the teeth with more expedition and less cost than by any process hitherto practised.
- Figure 1 is a perspective view of the lower half of an ordinary artificial-tooth mould altered to' suit my process, and represented as partially lled with the plastic mineral substance of' which the teeth are composed.
- Figure 2 is a transverse vertical section of the lsarneon the line z x of iig. 1.
- Figure 3 is a longitudinal vertical section of the same on the line yy of fig. l. i
- Figure 4 is a longitudinal section of a tooth, showing the 'above-mentioned pin in its proper position,'viz, with oneof its ends embedded in the body ofthe tooth, and its other end projecting.
- the half of the mould represented has the ordinary depressions a, iigs. l, 2, and 3, to form the backs of the teeth.
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
@mit gime @anni frit.
Letters Patent No. 80,822, dated August 11, 1868. Y
IMPROVEMENT IN ARTIFICIAL TETTE.
@In dgcnrle rtfrmh tu in tlunsetters zttmt mit nmtiltg niet at tlge sans.
TO ALL WHOM IT MAY OONCERN:
Be it known that I, JETIIRO J. GRIFFITH, oi' Philadelphia, Pennsylvania, have invented anew and useful Improvement'in the Process of Moulding Artificial Teeth; and I do hereby declare thatthe followingsa--full and exact description of the same, reference being had .to the annexed drawings, forming part hereof, and to the letters of reference marked thereon.
My invention consists of a process whereby the pins commonly employed for fastening artificial teeth to their vulcanite base are secured to the teeth with more expedition and less cost than by any process hitherto practised.
In the drawings- Figure 1 is a perspective view of the lower half of an ordinary artificial-tooth mould altered to' suit my process, and represented as partially lled with the plastic mineral substance of' which the teeth are composed.
Figure 2 is a transverse vertical section of the lsarneon the line z x of iig. 1. I
Figure 3 is a longitudinal vertical section of the same on the line yy of fig. l. i
Figure 4 is a longitudinal section of a tooth, showing the 'above-mentioned pin in its proper position,'viz, with oneof its ends embedded in the body ofthe tooth, and its other end projecting.
The half of the mould represented has the ordinary depressions a, iigs. l, 2, and 3, to form the backs of the teeth. I provide this part of the mould with the holes c, which are cylindrical, and of about one-half the length of the pins fin depth, and about equal in diameter to the diameter of a pin-head.
I first partially ll the depressionsia with the mineral substance which is caused to form a shoulder near the holes c, as shown in figs. 1 and 2. Tile pins b are then inserted in the holes c, as shown in figs. 2 and 3, the projecting ends of the pins being in contact with the mineral, d, and thus' receiving support suflicient to keep the pins upright. After a short interval, the filling of depressions a ywith the mineralV substanceis completed, the half of the mould not represented is filled,l and the other operations necessary to finish the teeth are then performed in the ordinary manner. l i
Having thus described my invention, I claim, and desire to secure by Letters Patente- The above-described mode of effecting the attachment of pins to artificial teeth in the process of moulding.
.IETIIRO J. GRIFFITH.
Witnesses: Y
Guo. E. BUCK'LEY, W. A. A. McKINLEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US80822A true US80822A (en) | 1868-08-11 |
Family
ID=2150317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US80822D Expired - Lifetime US80822A (en) | griffith |
Country Status (1)
Country | Link |
---|---|
US (1) | US80822A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050044194A1 (en) * | 2003-08-05 | 2005-02-24 | International Business Machines Corporation | Method, system, and program product for assigning device identifiers |
-
0
- US US80822D patent/US80822A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050044194A1 (en) * | 2003-08-05 | 2005-02-24 | International Business Machines Corporation | Method, system, and program product for assigning device identifiers |
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