US510423A - Administeator of - Google Patents
Administeator of Download PDFInfo
- Publication number
- US510423A US510423A US510423DA US510423A US 510423 A US510423 A US 510423A US 510423D A US510423D A US 510423DA US 510423 A US510423 A US 510423A
- Authority
- US
- United States
- Prior art keywords
- paper
- compound
- parchmentizing
- bath
- water
- 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
- 150000001875 compounds Chemical class 0.000 description 14
- 239000000123 paper Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
- 229940072033 potash Drugs 0.000 description 6
- 235000015320 potassium carbonate Nutrition 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000011087 paperboard Substances 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000011090 solid board Substances 0.000 description 2
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP 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
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/08—Vegetable parchment
Definitions
- This invention relates to the manufacture of that class of goods known to the trade as leatheroid vulcanized fiber and otherdium or potash in about the proportions hereinafter described, then placing said paper in a bath of water to check the action of the,
- the severallayers comprising the board are united as they come from the bath of parchmentizing compound and completely saturated therewith, and are then soaked in water from twenty-four hours to several weeks, according to the thickness, to remove the chemicals. Mr.
- the method preferred is to add to the treating compound from one-half ounce to one ounce of the nitrate mentioned for each pound of acid the compound contains, and after the excess of the compound is removed by pressure in the usual way, wash out the remainder in any of the ordinary ways and then before the sheet is dried wind it on a drum or fold it on a plate, said drum or plate being preferably heated, or the sheets may be run through a bath of hot water before winding or folding, and then apply pressure, or apply pressure in the process of winding or after folding.
- the paper is passed through a plurality of baths commencing with thatpf greatest strength and then through one or more of less strength.
Landscapes
- Paper (AREA)
- Color Printing (AREA)
Description
UNITED STATES PATENT OFFICE.
ADDISON E. HALEY, or KENNEBUNK, MAINE, ADMINISTRATOR or THOMPSON HANNA, DEoEASED.
PROCESS OF MANUFACTURING PARCHMENTIZED PAPER-BOARD.
SPECIFICATION forming part of Letters Patent No. 510,423, dated December 12, 1893.
Application filed April 8, 1893- Serial No. 469,609. (No specimens.)
To aZZ whom it may concern:
Be it known that THOMPSON HANNA, deceased, late a resident of Kennebunk, in the county of York and State of Maine, did invent during his life-time a new and useful Improved Process of Manufacturing Parchnientized Paper-Board, of which the following is a specification.
This invention relates to the manufacture of that class of goods known to the trade as leatheroid vulcanized fiber and otherdium or potash in about the proportions hereinafter described, then placing said paper in a bath of water to check the action of the,
' or scrapers, it is in a plastic or sticky state, and
may be wound upon a roll or pressed into sheets composed of a plurality of layers of the single sheet and the same will adhere and form a practically homogeneous sheet, but if after passing through the bath of parchmentizing compound the sheet of paper is passed into water, the surface is so hardened that the layers will not unite. Hence in making parchmentized boards as heretofore practiced the severallayers comprising the board are united as they come from the bath of parchmentizing compound and completely saturated therewith, and are then soaked in water from twenty-four hours to several weeks, according to the thickness, to remove the chemicals. Mr. HANNA however discovered that, by treating the sheets of paper to successive baths of parchmentizing liquid of varying degrees of strength, in one or more of which nitrate of sodium or potash was combined with the parchmentizing compound the single sheetof paper may, after it has been treated, be passed through the water bath and then Wound or pressed together in layers, and a good solid board he produced, which would be impossible by the use of the ordinary parchmentizing compound alone.
The method preferred is to add to the treating compound from one-half ounce to one ounce of the nitrate mentioned for each pound of acid the compound contains, and after the excess of the compound is removed by pressure in the usual way, wash out the remainder in any of the ordinary ways and then before the sheet is dried wind it on a drum or fold it on a plate, said drum or plate being preferably heated, or the sheets may be run through a bath of hot water before winding or folding, and then apply pressure, or apply pressure in the process of winding or after folding.
In carrying out this invention the paper is passed through a plurality of baths commencing with thatpf greatest strength and then through one or more of less strength.
A very great advantage is obtained by the employment of this process, particularly in the manufacture of thick boards because of the greater rapidity with which the work can be finished due to the shortening of the time that is required to soak out or neutralize the chemicals.
What is claimed is- The process of manufacturing parchmentized paper boards, by passing paper successively through aplurality of baths of parchmentizing liquid, of gradually decreasing strength, to one of which, at least, has been added nitrate of sodium or potash in about the proportions setforth, then placing said paper in a bath of water to remove the chemical, and then uniting a plurality of layers of said treated paper by pressure.
In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 28th day of March, A. D. 1893.
i 221s administrator I Hanna.
Witnesses:
GEORGE BONSER, FRANK W. BONSER.
ADDISON E. HALEY, of the estate of Thompson
Publications (1)
Publication Number | Publication Date |
---|---|
US510423A true US510423A (en) | 1893-12-12 |
Family
ID=2579250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US510423D Expired - Lifetime US510423A (en) | Administeator of |
Country Status (1)
Country | Link |
---|---|
US (1) | US510423A (en) |
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0
- US US510423D patent/US510423A/en not_active Expired - Lifetime
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