US421450A - Charles sumner tainter - Google Patents

Charles sumner tainter Download PDF

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US421450A
US421450A US421450DA US421450A US 421450 A US421450 A US 421450A US 421450D A US421450D A US 421450DA US 421450 A US421450 A US 421450A
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wax
tablet
ozocerite
waxes
charles
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/14Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/18Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/908Impression retention layer, e.g. print matrix, sound record
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31801Of wax or waxy material
    • Y10T428/31804Next to cellulosic
    • Y10T428/31808Cellulosic is paper

Definitions

  • This invention has reference to the preparation of a recording surface or medium for graphophones or apparatus for recording and reproducing speech and other sounds wherein the sound-record is cut or graven by a cutting-style in a surface, such as wax or waxy composition.
  • a cutting-style in a surface such as wax or waxy composition.
  • the recording medium or composition is spread in a thin layer on a suitable base or foundation-such as paper or pasteboardconstituting what is termed the tablet.
  • a suitable base or foundation-such as paper or pasteboardconstituting what is termed the tablet.
  • the form of the tablet is usually either cylindrical or flat, though of course they could be of other forms, and theshape of the tablet forms no part of this invention.
  • waxes-- such as beeswax, for example-while cutting smoothly and evenly, are too soft and too susceptible to alternations of conditions under changes of temperature. Such waxes also become sticky, the shavings adhere to the record and other parts of the machine, and their use is attended with other inconveniences.
  • Soft waxes moreover, do not give in reproducing as loud or distinct articulation as harder waxes.
  • ozocerite is eminently suitable for the purpose of forming graphophonic recording-surfaces, particularly when treated as hereinafter described.
  • This wax is tough and smooth in texture.
  • In recording cuts out in a continuous shaving without breaking into short pieces or adhering to the tablet or other part of the machine, and it cuts off close to the point of the cutting-style without chipping off below the same, and therefore produces an accurate record.
  • color it is brownish black in its crude state,but when treated as hereinafter described it becomes quite black and has a glossy surface and is opaque. This characteristic of color is useful, as it makes the lines of the record more distinct. On a light-colored surface the fine lines are very difficult to recognize. lDefects or irregularities in the paper base or foundation, which are discernible through a semitransparent wax, are completely hidden by the ozocerite.
  • the ozocerite Wax may be employed alone, and it is sufficiently cheap for the purpose. It may, however, be combined with other waxes. It mixes readily with beeswax, carnauba-wax, and others, and its use in such compositions would be within the scope of the invention.
  • A is a base of paper or other suitable material, which may be constructed, as described, in my patent, No. 374,133, dated November 29, 1887.
  • B represents a coating or layer of ozocerite wax. The latter having been concentrated, as before explained, is applied to the tablet in any suitable way. This may be done by immersing the tablet in the liquefied wax a number of times until a coating of sui'ficient thickness is obtained. The wax coating is then turned down until the surface is perfectly smooth. It is not necessary that the coating 13 should be more than one-fiftieth of an inch in thickness.
  • a tablet for graphophonic records having a recording surface consisting, essentially, of ozocerite Wax, substantially as described.
  • a tablet for graphophones comprising a foundation of paper or other suitable material having a surface coating of concentrated ozocerite wax, substantially as described.

Description

(No Model.) I
0. s.- PAINTER.
GRA'PHOPHQNE TABLET; v No. 421,450, Patented Feb. 18, 1-890.
- fiwzz'iin' W I m mm UNITED STATES PATENT OFFICE.
CHARLES SUMNER TAINTER, OF \VASHINGTON, DISTRICT OF COLUMBIA.
GRAPHOPHONE-TABLET.
SPECIFICATION forming part of Letters Patent No. 421,450, dated February 18, 1890.
Application filed November 14,1887. Serial No. 255,082. (No specimens.)
T0 aZZ whom, it may concern.-
Be it known that I, CHARLES SUMNER TAINT4 ER, of Washington, in the District of Columbia, have'in vented a new and useful Improvement in Graphophonic Tablets, which improvement is fully set forth in the following specification.
This invention has reference to the preparation of a recording surface or medium for graphophones or apparatus for recording and reproducing speech and other sounds wherein the sound-record is cut or graven by a cutting-style in a surface, such as wax or waxy composition. For a description of such apparatus reference may be had to Letters Patent No. 341,214, dated May 4:, 1886, No. 375,579, dated December 27, 1887, and No. 35,288, dated May 4:, 1887.
The recording medium or composition is spread in a thin layer on a suitable base or foundation-such as paper or pasteboardconstituting what is termed the tablet. The form of the tablet is usually either cylindrical or flat, though of course they could be of other forms, and theshape of the tablet forms no part of this invention.
There are certain properties or characteristics in the recording medium that are desirable or essential to the successful operation, and which are difficult, owing to their somewhat contradictory nature, to find combined in one substance. It is necessary that the substance be of the right degree of hardness and toughness without being brittle, and that it should not be susceptible to changes of temperature. Some waxes are too brittle, and instead of cutting smoothly and accurately under the cutting-style chip or break off, producing, of course, an inaccurate record. Even a slight degree of brittleness will unfit the substance for the use designed, and as a gen eral rule those waxes that are sufficiently hard and fine in texture for the purpose have also the undesirable property of brittleness and lack toughness and coherence. Other waxes-- such as beeswax, for example-while cutting smoothly and evenly, are too soft and too susceptible to alternations of conditions under changes of temperature. Such waxes also become sticky, the shavings adhere to the record and other parts of the machine, and their use is attended with other inconveniences.
Soft waxes, moreover, do not give in reproducing as loud or distinct articulation as harder waxes.
lIeretofore a composition of beeswax and parafline has been used with good results, but it does not possess the essential characteristics in as high degree as desirable.
I have found after a long series of experiments that a certain natural or earth wax known as ozocerite is eminently suitable for the purpose of forming graphophonic recording-surfaces, particularly when treated as hereinafter described. This wax is tough and smooth in texture. In recording it cuts out in a continuous shaving without breaking into short pieces or adhering to the tablet or other part of the machine, and it cuts off close to the point of the cutting-style without chipping off below the same, and therefore produces an accurate record. In color it is brownish black in its crude state,but when treated as hereinafter described it becomes quite black and has a glossy surface and is opaque. This characteristic of color is useful, as it makes the lines of the record more distinct. On a light-colored surface the fine lines are very difficult to recognize. lDefects or irregularities in the paper base or foundation, which are discernible through a semitransparent wax, are completely hidden by the ozocerite.
In making a tablet the wax surface is applied by melting the wax and applying it while in a fluid state. On cooling the wax contracts more than the paper foundation, and on this account many of the compositions tried have cracked on cooling, rendering the tablet useless. The use of the ozocerite wax, how
ever, is not attended with this disadvantage.
In forming a tablet with ozocerite wax it is advantageous to concentrate the crude wax by the application of heat until it loses from ten to thirty per cent. of its weight, which renders itmuch more suitable for the purposes of the invention. After concentration by boiling it becomes harder and tougher, changing in. color from a brownish black to a deep black. It is then applied in a thin layer or coating to the foundation of paper or other material, and on cooling is turned down until a perfectly smooth surface is obtained.
In heating the ozocerite wax a high temperature is necessary, in order to produce the concentration desired. At 250 Fahrenheit the vaporization proceeds very slowly, and it is customary to employatemperature of 400 Fahrenheit and upward. The duration of the treatment will, of course, depend on the temperature employed.
The ozocerite Wax may be employed alone, and it is sufficiently cheap for the purpose. It may, however, be combined with other waxes. It mixes readily with beeswax, carnauba-wax, and others, and its use in such compositions would be within the scope of the invention.
In the drawing, which is a perspective View, I have shown, by way of example, a cylindrical tablet. A is a base of paper or other suitable material, which may be constructed, as described, in my patent, No. 374,133, dated November 29, 1887. B represents a coating or layer of ozocerite wax. The latter having been concentrated, as before explained, is applied to the tablet in any suitable way. This may be done by immersing the tablet in the liquefied wax a number of times until a coating of sui'ficient thickness is obtained. The wax coating is then turned down until the surface is perfectly smooth. It is not necessary that the coating 13 should be more than one-fiftieth of an inch in thickness.
I claim 1. A tablet for graphophonic records, having a recording surface consisting, essentially, of ozocerite Wax, substantially as described.
2. A tablet for graphophones, comprisinga foundation of paper or other suitable material having a surface coating of concentrated ozocerite wax, substantially as described.
.In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
CHARLES SUMNER TAINTER.
WVitnesses:
R. M. READ, PHILIP MAURO.
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