US15983A - p h y ite - Google Patents

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Publication number
US15983A
US15983A US15983DA US15983A US 15983 A US15983 A US 15983A US 15983D A US15983D A US 15983DA US 15983 A US15983 A US 15983A
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Prior art keywords
ivory
glass
cover
bleaching
reiector
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0063—Photo- activating compounds

Definitions

  • V ivory upon a glass table or bed which is exposed to the direct rays of the sun and has a reflector below it to reectback again the light passing through the ivory and through the table or bed and thereby effect the bleaching of the under surface and lower part of the ivory by reflected light, by that means obviating to a great extent the necessity of turning over the pieces of ivory dur- ⁇ ing the bleaching process.
  • A is a fiat glass table tted to a frame F, and supported in a horizontal or nearly horizontal position on standards a, a.
  • the reiector B is the reiector made of silvered glass or metal supported on the same standards a, a, some distance below the table. This reflector may be arranged parallel with or at any suitable angle to the table A.
  • the space between the table and the reiector is inclosed by glass b, b,so as to protect the reiector from dust and moisture and prevent its brightness being impaired.
  • These side walls b, b may be of clear glass or may be reflectors.
  • C D E is a cover composed of a frame C, so constructed as to hold an inclined plate of glass D, or a sash filled with panes of glass, and side lights E, E, said cover being hinged to the frame F, at cl, and closing down upon the said frame in such a manner as to exclude air ⁇ from ⁇ the ivory placed on the table A, excepting of course the air that is inclosed within the cover.
  • the above described apparatus is placed on the roof of a building or under a glass roof or skylight or in any place where the table A is exposed to the direct rays of the sun.
  • the pieces of ivory to be bleached are placed upon the table A, while the cover is raised as indicated in red outline in the drawing, and may cover the whole surface of the table, and the cover is then shut down.
  • the rays of the sun being then admitted through the cover to the ivory pass through the ivory and through the glass table to the reflector B by which they are thrown back again through the glass table and the ivory.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Description

J. PHYFE.
Bleaching lvoy.
Patented Oct. 28', '1856.
,UNITED sTATEs PATENT oEEioE.
JNO. PHYFE, OF NEIV YORK, N. Y.
IVORY-BLEACHING- APPARATUS.
Specification of Letters Patent No. 15,983, dated October 28, 1856.
V ivory upon a glass table or bed which is exposed to the direct rays of the sun and has a reflector below it to reectback again the light passing through the ivory and through the table or bed and thereby effect the bleaching of the under surface and lower part of the ivory by reflected light, by that means obviating to a great extent the necessity of turning over the pieces of ivory dur-` ing the bleaching process.
To enable others to make and use my invention I will proceed to describe the apparatus .shown in the drawing by which it is performed andthe manner in which it is conducted.
A is a fiat glass table tted to a frame F, and supported in a horizontal or nearly horizontal position on standards a, a.
B, is the reiector made of silvered glass or metal supported on the same standards a, a, some distance below the table. This reflector may be arranged parallel with or at any suitable angle to the table A. The space between the table and the reiector is inclosed by glass b, b,so as to protect the reiector from dust and moisture and prevent its brightness being impaired. These side walls b, b, may be of clear glass or may be reflectors.
C D E is a cover composed of a frame C, so constructed as to hold an inclined plate of glass D, or a sash filled with panes of glass, and side lights E, E, said cover being hinged to the frame F, at cl, and closing down upon the said frame in such a manner as to exclude air `from `the ivory placed on the table A, excepting of course the air that is inclosed within the cover.
The above described apparatus is placed on the roof of a building or under a glass roof or skylight or in any place where the table A is exposed to the direct rays of the sun. The pieces of ivory to be bleached are placed upon the table A, while the cover is raised as indicated in red outline in the drawing, and may cover the whole surface of the table, and the cover is then shut down. The rays of the sun being then admitted through the cover to the ivory pass through the ivory and through the glass table to the reflector B by which they are thrown back again through the glass table and the ivory.
I do not claim the exclusion of t-he air from the ivory during the bleaching process, and I do not confine myself to the construction of the apparatus in such` a manner as to exclude the air during the process, or to any particular construction of the apparatus; but
What I cla-im as my invention and `desire to secure by Letters Patent is The bleaching of ivory by exposure to the rays of the sun on a glass table with a reiector below it substantially as herein described.
JOHN PHYFE. Witnesses: i
W. TUsoH, JAMES F. BUGKLEY.
US15983D p h y ite Expired - Lifetime US15983A (en)

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