US611900A - Method of treating metal pipes - Google Patents
Method of treating metal pipes Download PDFInfo
- Publication number
- US611900A US611900A US611900DA US611900A US 611900 A US611900 A US 611900A US 611900D A US611900D A US 611900DA US 611900 A US611900 A US 611900A
- Authority
- US
- United States
- Prior art keywords
- metal pipes
- treating metal
- coating
- garland
- pipe
- 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
- 239000002184 metal Substances 0.000 title description 8
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- 239000002253 acid Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 210000003298 Dental Enamel Anatomy 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000004534 enameling Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/45—Scale remover or preventor
- Y10T29/4533—Fluid impingement
- Y10T29/455—Airblast
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- ing And Chemical Polishing (AREA)
Description
UNITED STATES PATENT EEIcE.
ROBERT GARLAND AND JOHN XV. GARLAND, OF PITTSBURG, PENNSYLVANIA METHOD OF TREATING METAL PIPES.
SPECIFICATION forming part of Letters Patent No. 611,900, dated October 4, 1898.
Applicationfiled February 9, 1898. Serial No. 669,699. (No specimens.)
To all whom it may concern.-
Be it known that we, ROBERT GARLAND and JOHN W. GARLAND,Of Pittsbu rg,in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Methods of Treating Metal Pipes, of which the following is a specification.
Heretofore pipes which were enameled or otherwise coated on their inner surface for use in electric conduits and similar locations have contained small projections and particles of slag or scale, and when after enameling the wire was drawn through the pipe it contacted with these obstructions, tearing away the enameled coating and destroying the insulation of the wires. Our invention overcomes this difficulty by a cheap and simple method of giving a smooth even surface before the enamel or coating is applied.
In carrying out our invention we submerge the pipe in a Weak solution of acid, preferably sulfuric acid, and then remove it and subject the interior to a blast of air containing abrading material, preferably sand. The scale and slag whichroughen and obstruct the interior of the pipe having been loosened by the acid will be dislodged and driven out by the sand-blast and a smooth interior surface thus afforded which is well adapted for the receiving of the coating. This coating may then be applied either by dipping the pipe into a bath of the coating or in any other suitable way.
The advantages of our invention will be much better article is obtained than was heretofore possible, while the method of preparing its surface is cheap, rapid, and easily carried out.
The particular solution used in'loosening the scale may be varied, as Well as the manner of applying the acid and blast, without departing from our invention, since We claim- 1. The method of treating the interior surface of metal pipes, consisting in applying a dilute acid solution thereto, driving a blast provided with abrading material through the pipe after the completion of the pickling operation, and then applying a coating to the treated surface; substantially as described.
2. The method of treating the interior surface of metal pipes, consisting in loosening the scale therein by means of a dilute acid solution, driving a blast provided with abrading materials through the pipe after the com- .pletion of the pickling operation and thereafter applying a non-metallic coating to the treated surface; substantially as described. In testimony whereof we have hereunto set our hands.
ROBERT GARLAND. JOHN WV. GARLAND.
Witnesses:
G. B. BLEMMING, O. BYRNns.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US611900A true US611900A (en) | 1898-10-04 |
Family
ID=2680512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US611900D Expired - Lifetime US611900A (en) | Method of treating metal pipes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US611900A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563843A (en) * | 1948-02-11 | 1951-08-14 | Herman Pneumatic Machine Co | Processing of cast elongated articles |
| US3124863A (en) * | 1964-03-17 | Drill pipe peening | ||
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| US5460563A (en) * | 1992-03-02 | 1995-10-24 | Mcqueen, Jr.; Joe C. | Method for preparing the internal surface of pipe |
| US20050275926A1 (en) * | 2004-05-27 | 2005-12-15 | Angstrom Inc. & Stereo Display Inc. | Variable focusing lens comprising micromirrors with one degree of freedom rotation |
-
0
- US US611900D patent/US611900A/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124863A (en) * | 1964-03-17 | Drill pipe peening | ||
| US2563843A (en) * | 1948-02-11 | 1951-08-14 | Herman Pneumatic Machine Co | Processing of cast elongated articles |
| US5460563A (en) * | 1992-03-02 | 1995-10-24 | Mcqueen, Jr.; Joe C. | Method for preparing the internal surface of pipe |
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| US5371972A (en) * | 1992-05-26 | 1994-12-13 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating and apparatus for use in carrying out the method |
| US20050275926A1 (en) * | 2004-05-27 | 2005-12-15 | Angstrom Inc. & Stereo Display Inc. | Variable focusing lens comprising micromirrors with one degree of freedom rotation |
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