US289239A - Apparatus for polishing sheets of zylonite - Google Patents
Apparatus for polishing sheets of zylonite Download PDFInfo
- Publication number
- US289239A US289239A US289239DA US289239A US 289239 A US289239 A US 289239A US 289239D A US289239D A US 289239DA US 289239 A US289239 A US 289239A
- Authority
- US
- United States
- Prior art keywords
- zylonite
- polishing
- polished
- sheet
- sheets
- 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
- 229920002301 Cellulose acetate Polymers 0.000 title description 20
- 238000005498 polishing Methods 0.000 title description 10
- 239000000126 substance Substances 0.000 description 16
- 239000011521 glass Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 235000007575 Calluna vulgaris Nutrition 0.000 description 2
- 240000002804 Calluna vulgaris Species 0.000 description 2
- 240000002057 Secale cereale Species 0.000 description 2
- 235000007238 Secale cereale Nutrition 0.000 description 2
- 101700070567 TBX18 Proteins 0.000 description 2
- 101700086594 VIT1 Proteins 0.000 description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2S,3R,4S,5R,6R)-2-[(2R,3R,4S,5R,6S)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2R,3R,4S,5R,6S)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 229920002577 polybenzoxazole Polymers 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
Definitions
- This invention has for its object the polishing or finishing in a very'smooth condition the surface of sheets of zylonite or similar compounds chiefly formed of pyroxyline or cellulose substances; and the invention consists in slightly'dissolving the surface of the-sheet by some solvent-as collodion, or any of the Wellknown solvents of such substancesand then subjecting the said surface to pressure in contact with ahighly-polished surface as a plate of glasswhich, as the pressure advances, gradually eXpels the air and closely compresses the surface of this partially-dissolved surface and sets it in a closely-finished condition, until it is as highly polished as the glass or finishing surface with which it has been in contact while under pressure.
- At A B are represented a pair of rolls, one or bot-h of whiclrmay be of rubber or some elastic substance, so that a plate of glass may be passed between them without fracture.
- At C is represented a sheet of or similar substance, which may be fed from a roll, as at D; andat E is adistributing device, which may be a roller, as represented; or it may be atube with jets to distribute some solvcn tas col1odion-upon the surface of the sheet of zylonite, and immediately before its contact 7 with the polishing-plate F, which is preferabl y aplate of glass, as at present it seems to be the best material which I have found for the purpose, and which, when passed betweeua p: Jr of rolls in contact with the said partiallydissolved surface of the sheet ot'zylonite, has
- vitrified surfaces mounted upon plates of metal may be used in place of the plate F or cylinder G, and it may be possible by some process, as by electroplating or in some other manner, to finish plates of metal so that their surfaces may be as highly polished as plates of glass, in which case they could be used in the same manner; but the essence of the invention consists in compressing the partially-dissolved surface of a sheet with a highly-polished surface, for the purpose of expelling the air and so compressing polished condition.
Description
(N0 Model 1 .J. B. mason; 4 I APPARAT FOR POLISHING SHEETS OPZYLONITE, m.
Patented Nov. 27, 1883.
. UNITED STATES PATENT OFFICE.
JARVIS B. E-DSON, OF ADAMS, MASSACHUSETTS.
APPARATUS FOR POLISHING SHEETS OF ZYLONITE, 80C.
SPECIFICATION forming part of Letters Patent No. 289,239, dated November 27, 18 83.
Application filed April 28, 1883. (No model.)
.To all whom it may concern.-
Be it known that I, JARVIS B. Ensox, of the town of' Adams, in the county of Berkshire and State of Massachusetts, have invented new and useful Improvements in Apparatus for Polishing Sheets of Zylonite or similar Substances, of which the following is aspecification.
This invention has for its object the polishing or finishing in a very'smooth condition the surface of sheets of zylonite or similar compounds chiefly formed of pyroxyline or cellulose substances; and the invention consists in slightly'dissolving the surface of the-sheet by some solvent-as collodion, or any of the Wellknown solvents of such substancesand then subjecting the said surface to pressure in contact with ahighly-polished surface as a plate of glasswhich, as the pressure advances, gradually eXpels the air and closely compresses the surface of this partially-dissolved surface and sets it in a closely-finished condition, until it is as highly polished as the glass or finishing surface with which it has been in contact while under pressure.
Tn the drawings at Figure l is represented a section of a pair of pressure-rolls, between which are represented a sheet of the material to be polished and the polishing-plate. At Fig; 2 is a similar transverse section of the rolls, but with the polishing-surfacemade in any cylindrical form, so as to be continuous in its operation instead of intermittent, as in the other figure. I
At A B are represented a pair of rolls, one or bot-h of whiclrmay be of rubber or some elastic substance, so that a plate of glass may be passed between them without fracture.
At C is represented a sheet of or similar substance, which may be fed from a roll, as at D; andat E is adistributing device, which may be a roller, as represented; or it may be atube with jets to distribute some solvcn tas col1odion-upon the surface of the sheet of zylonite, and immediately before its contact 7 with the polishing-plate F, which is preferabl y aplate of glass, as at present it seems to be the best material which I have found for the purpose, and which, when passed betweeua p: Jr of rolls in contact with the said partiallydissolved surface of the sheet ot'zylonite, has
the zylonite the effect, as the pressure advances, of expelcylinder of glass, as at G, is mounted between the rolls, so that the operation may be perwhere long sheets of the zylonite were formed as in a web.
1t is evident that if figures of designs of any kind be formed either on the plate or cylinder of glass, as by the process of engraving or etching, corresponding figures will also be formed on the surface of the zylonite sheet, so that any desired ornamentation may be produced at the same time that the surface is being finished or polished. I
It is evident that vitrified surfaces mounted upon plates of metal may be used in place of the plate F or cylinder G, and it may be possible by some process, as by electroplating or in some other manner, to finish plates of metal so that their surfaces may be as highly polished as plates of glass, in which case they could be used in the same manner; but the essence of the invention consists in compressing the partially-dissolved surface of a sheet with a highly-polished surface, for the purpose of expelling the air and so compressing polished condition.
From the foregoing it will be perceived that my invention differs from that contained in Patent No. 221, 070, which is hereby disclaimed.
I therefore claiming sheets of zylonite or similar substances by first slightly dissolving their surfaces by any of the well-known solvents for such purpose, and then subjecting the same to pressure, with the slightly-dissolved surface in contact with the surface of a highly-polished substance such as glassin the manner set forth, and for the purpose specified.
2. The combination of a pair of compress, ing-rolls adapted for receiving a sheet of zylo-v of zylon'ite or a similar substance in contactthe surface as to give it a highly finished or ling the air from the composition, and at the used, except that instead of a plate of glass at formed continuously, as would be required 1. The within-described process of polish IOO nite or similar substance, at distributing device forapp1ying thesolvent,audepolishing-piate, In witness whereof I have hereunto suba polishing-cylinder interposed between the as hereinhefore set forth. scribed my name and affixed my sea-1 in the 3. The combination of the pressure-1'01 ls and presence of rye subscribing witnesses.
- ARVIS B. EDSON. [L
same, for the. purpose of forming a eontinu- \Vit1 1esses: (msly-polished surface upon a plastie'suh- EUGENE N. ELIOT, Stance, as l'lereinbefore setforth. I HARRY Emvmns.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US289239A true US289239A (en) | 1883-11-27 |
Family
ID=2358431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US289239D Expired - Lifetime US289239A (en) | Apparatus for polishing sheets of zylonite |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US289239A (en) |
-
0
- US US289239D patent/US289239A/en not_active Expired - Lifetime
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