US134566A - Improvement in coatings for writing-tablets - Google Patents
Improvement in coatings for writing-tablets Download PDFInfo
- Publication number
- US134566A US134566A US134566DA US134566A US 134566 A US134566 A US 134566A US 134566D A US134566D A US 134566DA US 134566 A US134566 A US 134566A
- Authority
- US
- United States
- Prior art keywords
- tablets
- writing
- coatings
- improvement
- pen
- 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
- 238000000576 coating method Methods 0.000 title description 2
- 239000002966 varnish Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000006165 Knowles reaction Methods 0.000 description 1
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
Definitions
- my invention consists in producing a varnished surface on ordinary writin g-paper that will take the ink as freely from the pen as if not varnished, and so that, by moistening with a rag or sponge, every trace of the writing can be removed, however dry, and thus be used again and again for an indefinite period of time.
- the specified composition applied substantially in the manner and for the purpose specified.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
UNITED STATES.
AUGUST SCHINDLER, OF LANCASTER, PENNSYLVANIA.
IMPROVEMENT IN COATINGS FOR WRITING-TABLETS.
Specification forming part of Letters Patent No. 34,566, dated January 7, 1873.
To all whom it may concern:
Be it known that 1, AUGUST SoniNnLnR, of the city of Lancaster, in the State of Pennsylvania, have invented a certain Coating for \Vriting-Tablets, to be used for pen-and-ink writing instead of the ordinary slate-surface, of which the following is a specification:
The nature of my invention consists in producing a varnished surface on ordinary writin g-paper that will take the ink as freely from the pen as if not varnished, and so that, by moistening with a rag or sponge, every trace of the writing can be removed, however dry, and thus be used again and again for an indefinite period of time.
To prepare my tablets for the varnish I take ordinary pasteboard cut to the desired size. I also prepare or cut to size good writing-paper of two sizes, the one to form the back the exact size of the pasteboard, the other so much larger as to leave a margin all around to turn over and cover the edge and margin of the back. These are smoothly pasted on the pasteboard with common flour-paste, as used by book-binders. When dry these tablets are ready to receive the varnish.
After numerous trials and experiments I have found a varnish made by pulverizing six ounces of resin and six ounces of shellac and digesting the same in one gallon of good alcohol, frequently shaking the mixture to make the varnish, which, after straining, is ready for use by applying, with a soft varnishbrush, evenly to both surfaces and edges of the tablets. When this first coat is dry an other and even a fourth coat should be given to give the tablets a good body and durability 1n use. I
It is believed that these tablets, introduced -in our schools, would supply a want greatly felt--to allow the practice and use of the pen 1, and ink, while learning to form the letters, instead of a slate and pencil or chalk and blackboard, since the proper use of the pen would be acquired at the same time with the knowl edge of the forms of letters and mode of com bining into words.
'lhese tablets are pliable, will not crack, and
are very durable; light, and preferable to the slate-surface tablets for lessons in writing, as by mine penmanship is more truly taught. Besides, these tablets are equally useful to men of business for a daily record to be transcribed, or used as tablets or memorandums in various ways.
I am not aware that tablets for pen-and-ink writing and erasure were ever before intro duced substantially made in the manner and for the purpose set forth.
What I claim as my invention, and desire to secure by Letters Patent, is-
The specified composition, applied substantially in the manner and for the purpose specified.
. A. SGHINDLER.
YVitnesscs:
SOLOMON SPREGHER, J noon STAUFFER.
ATENT Enron.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US134566A true US134566A (en) | 1873-01-07 |
Family
ID=2203982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US134566D Expired - Lifetime US134566A (en) | Improvement in coatings for writing-tablets |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US134566A (en) |
-
0
- US US134566D patent/US134566A/en not_active Expired - Lifetime
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