US815041A - Instrument for stopping teeth. - Google Patents
Instrument for stopping teeth. Download PDFInfo
- Publication number
- US815041A US815041A US29312405A US1905293124A US815041A US 815041 A US815041 A US 815041A US 29312405 A US29312405 A US 29312405A US 1905293124 A US1905293124 A US 1905293124A US 815041 A US815041 A US 815041A
- Authority
- US
- United States
- Prior art keywords
- cup
- instrument
- stopping
- stopping teeth
- stem
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00593—Hand tools of the syringe type
Definitions
- a is the hollow cup above mentioned, made of india-rubber or other suitable elastic and flexible material and adapted to contain within it the piece of sto ping intended to be placed in the cavity of the tooth.
- the lower part b of the stem l) of the cup at is the cup a.
- Figs. 1 and 2 preferably shaped as shown in Figs. 1 and 2 and serves as the presser above referred to for pressing the stopping into the cavity of the tooth.
- c is the handle, made of any suitable material, to which the cup and presser are fixed. This fixing of the cup and presser is efiected as follows: I is a ring, preferably conical.
- the front end e of the handle a has a screw-thread formed upon it andis screwed through a screw-threaded hole in one side of the ring (1 and into the stem b of By this means the cup at, with its presser part b, is held securely in place,
- the prolongation b of the stem 6 of the cup a may be dispensed with in cases where the presser is not required.
Description
PATENTED MAR. 13, 1906.;
v No. '815 P. P. RUTTBRFORD. I INSTRUMENT FOR STOPPING TEETH.
APPLIGATQEON FILED 1330.23, 1905.
UN TED STATES PA T OFFICE.
PERCY FREDERICK. RUTTERFORD, OF LONDON, ENGLAND. INSTRUMENT FOR STOPPINGTE-ETH.
-.tate nteol March 13, 1906.
Application filed December 23,1906. Serial-No. 293,124.
. T 00% whom it'may concern: I
Be it knownthat I, PERoY FREDERICK RU'ITERFORD, a subject of the King of Great Britain, residing at London, England, have invented a new and useful Improvement in- Instruments for Stopping Teeth, of which the following is a specification.
In the practice of stopping teeth it is well known that in some cases it is difiicult to introduce the stopping materialsuch as an amalgam of gold, silver, or platinum, for example-into the cavity of the tooth which it is desired to stop. Instruments have been proposed and employed for this purpose in which hollow cups made of elastic and flexi handles; but as these hollow cups and their presser parts are comparatively small and of delicate construction the methods heretofore employed for fixing them to their handles have not been, so far as I am aware, quite satisfactory; and the object of my present in-- vention is to provide improved means for efiecting this attachment. For this purpose I employ the means shown in the accompanying sheet of drawings, in which Figure 1 is an elevation, Fig. 2 an elevation, partlyin section, and Fig. 3 a view taken on a plane at right angles to Figs. 1 and 2, but with certain of the parts removed, of an instrument made in accordance with my present invention,
a is the hollow cup above mentioned, made of india-rubber or other suitable elastic and flexible material and adapted to contain within it the piece of sto ping intended to be placed in the cavity of the tooth. The lower part b of the stem l) of the cup at is the cup a.
preferably shaped as shown in Figs. 1 and 2 and serves as the presser above referred to for pressing the stopping into the cavity of the tooth.
c is the handle, made of any suitable material, to which the cup and presser are fixed. This fixing of the cup and presser is efiected as follows: I is a ring, preferably conical.
onits interior surface, through which the stem 12 of the cup a, together with its prolongation b, is passed, as seen most clearly in Fig. 2. The front end e of the handle a has a screw-thread formed upon it andis screwed through a screw-threaded hole in one side of the ring (1 and into the stem b of By this means the cup at, with its presser part b, is held securely in place,
but can be easily removed from the handle a.
by unscrewing the latter from the ring (1, and a fresh cup can then beput into the rmg and secured therein by again screwing the handle through the ring into the stem of the cup.
The prolongation b of the stem 6 of the cup a may be dispensed with in cases where the presser is not required.
, I claim In an instrument for stopping teeth in which a cup to contain the stopping is. fixed to the end of a handle, the device for securing the 'cup to the handle, which consists of a ring 01 through which the stem 1) of the cup a .is passed and in which it is secured by the screw-threaded end e of the handle 0 passing through a screw-threaded'hole in the side of I the ring and into or through the said stem of the cup substantially as described.
In testimony whereof I have signed my name to this specification in the two subscribing witnesses.
/ PERCY FREDERICK RUTTERFORD.
Witnesses:
WM. WnLLAoE WHITE, JOHN A. PERoivAL.
presence of
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29312405A US815041A (en) | 1905-12-23 | 1905-12-23 | Instrument for stopping teeth. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29312405A US815041A (en) | 1905-12-23 | 1905-12-23 | Instrument for stopping teeth. |
Publications (1)
Publication Number | Publication Date |
---|---|
US815041A true US815041A (en) | 1906-03-13 |
Family
ID=2883522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29312405A Expired - Lifetime US815041A (en) | 1905-12-23 | 1905-12-23 | Instrument for stopping teeth. |
Country Status (1)
Country | Link |
---|---|
US (1) | US815041A (en) |
-
1905
- 1905-12-23 US US29312405A patent/US815041A/en not_active Expired - Lifetime
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