US131977A - Improvement in slate and lead pencil sharpeners - Google Patents
Improvement in slate and lead pencil sharpeners Download PDFInfo
- Publication number
- US131977A US131977A US131977DA US131977A US 131977 A US131977 A US 131977A US 131977D A US131977D A US 131977DA US 131977 A US131977 A US 131977A
- Authority
- US
- United States
- Prior art keywords
- slate
- improvement
- lead pencil
- pencil sharpeners
- lead
- 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
- 239000010454 slate Substances 0.000 title description 4
- 239000003292 glue Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920000175 Pistacia lentiscus Polymers 0.000 description 2
- 241000736873 Tetraclinis articulata Species 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000206672 Gelidium Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 108010059642 isinglass Proteins 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
Definitions
- My invention consists of an improved article of manufacture designed to be used as a cement for the purpose of coating articles for sharpening slate and lead pencils.
- I dissolve one-half ounce gum mastic, one-half ounce gum sandarac, and one dram visinglass in one-half pint of alcohol. I also dissolve one pound of glue in water, the necessary quantity of which cannot be given with exactness. Both masses are then heated to about 212, and the dissolved glue poured into the other, and the compound immediately applied with a brush to a piece of wood or other vehicle. The emery is then thrownon until arough and file-like surface is formed, which is admirably adapted for sharpening slate and lead pencils.
- What I claim as my invention is- The combination of gum mastic, gum sandarac, isinglass, alcohol, glue, and emery, substantially as specified, to form a coating upon wood for the purpose of sharpening instruments.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Repair (AREA)
Description
J. SOUMEELLAN.
improvementjnfSlate and Lead-Pencii Sharpener.
N0. 131,977, Patented Oct. 8, 1872.
in W! 55353: ENVENYQR:
UNITED STATES PATENT OFFICE.
JOHN SOUMEILLAN, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN SLAT E AND LEAD PENCEL SHARPENERS.
Specification forming part of Letters Patent No. 131,977, dated October 8, 1872; antedated October 2, 1872.
To all whom it may concern:
Be it known that I, J OIIN SOUMEILLAN, of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and valuable Improvement in Cement for Slate and Lead Pencil Sharpener; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawing making apart of this specification, and to the letters and figures of reference marked thereon.
My invention consists of an improved article of manufacture designed to be used as a cement for the purpose of coating articles for sharpening slate and lead pencils.
To obtain the roughened surface I use the materials hereinafter recited, combined in the proportions named. I dissolve one-half ounce gum mastic, one-half ounce gum sandarac, and one dram visinglass in one-half pint of alcohol. I also dissolve one pound of glue in water, the necessary quantity of which cannot be given with exactness. Both masses are then heated to about 212, and the dissolved glue poured into the other, and the compound immediately applied with a brush to a piece of wood or other vehicle. The emery is then thrownon until arough and file-like surface is formed, which is admirably adapted for sharpening slate and lead pencils.
What I claim as my invention is- The combination of gum mastic, gum sandarac, isinglass, alcohol, glue, and emery, substantially as specified, to form a coating upon wood for the purpose of sharpening instruments.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.
JOHN SOUMEILLAN.
Witnesses:
WENcEL HARTMAN, M. DANL. OoNNoLLY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US131977A true US131977A (en) | 1872-10-08 |
Family
ID=2201394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US131977D Expired - Lifetime US131977A (en) | Improvement in slate and lead pencil sharpeners |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US131977A (en) |
-
0
- US US131977D patent/US131977A/en not_active Expired - Lifetime
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