US26846A - James buchanan henby - Google Patents
James buchanan henby Download PDFInfo
- Publication number
- US26846A US26846A US26846DA US26846A US 26846 A US26846 A US 26846A US 26846D A US26846D A US 26846DA US 26846 A US26846 A US 26846A
- Authority
- US
- United States
- Prior art keywords
- plates
- henby
- boilers
- joints
- buchanan
- 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
- 210000001503 Joints Anatomy 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 210000001138 Tears Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003137 locomotive Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003313 weakening Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
-
- 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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49954—Fastener deformed after application
- Y10T29/49956—Riveting
Definitions
- the object of my invention is to make the joints of boilers and other structures or apparatus, composed of metal plates united by riveting, as strong as the rest of the plates and to this end my invention consists in the use of plates with marginal portions which are to form the laps of the joints and receive the rivets of a suiiiciently greater thick ⁇ ness than the rest of the plates to compensate for the weakening effect of the rivet holes when said plates are so lapped that the same rivet passes through both plates in forming a joint.
- This increase of thickness may be produced in the rolling of the plates, and should extend about two and a quarter inches from the edges, when the plates are to be united by a single row of rivets, or four inches when they are to be united in double rows.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
1. B. HENRY.
Rivetng Boiler Plates.
No. 26,846. Patented Jany 1860.
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JAMES BUCHANAN HENRY, OF NEW YORK, N. Y.
METHOD OF RIVETING BOILER-PLATES.
Specification of Letters Patent No. 26,846, dated January 17, 1860.
To all whom t may concern:
Be it known that I, JAMES BUCHANAN HENRY, of the city, county, and State of New York, have invented a new and useful Improvement in Steam-Boilers and other Structures and Apparatus Composed of Metal Plates United by Riveting; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the the accompanying drawings and forming part of this specification, in which- Figure l, is a sectional view of a riveted joint as usually constructed in steam boilers. Fig. 2, is a similar view of a joint constructed according to my invention. Fig. 3, is a face view of the same.
Similar letters of reference indicate corresponding parts in the several figures.
Actual experiments with boilers having rivited joints of the usual kind, that is to say, with the marginal portions of the plates which contain the rivet-holes, of the same thickness as the rest of the plates, that if the strength of the plates, is assumed to be 100, the strength of the joints, if secured by a single row of rivets, isabout 56, and if secured by a double row, about 70. Now as the strength of a boiler is to be measured by the strength of its weakest part, it is evident that a boiler with such joints can only bear wit-h safety 56/100 .or 'Y0/100 of the pressure it could bear if the joints were of the full strength of the plates and hence that a large porportion of the metal now used in boilers is useless and that the same strength might be obtained with plates of very much ess thickness, if the riveted portions could be made as strong as every other portion. By the use of so much thinner plates, a great saving in the cost of all boilers would be effected, but this advantage is of tritling importance compared with that which would result to steam navigation, from the immense saving in the weight of iron. The latter advantage would be very great in ocean navigation, as it would enable more coal or freight to be carried, but would be still greater in the navigation of shallow rivers where boats of the lightest draft are required. The saving of weight will also be of immense importance to rail-roads on account of the saving in wear and tear of the track, and in fact it will have more or less importance in all boilers of locomotive or portable character, as the boilers of steam tire-engines, steam-plows and portable steamengines; and in iron ships, gasometers, and other structures or apparatus formed of iron plates united by riveting, the advantages of thus reducing the thickness of the plates will be almost or cuite as great as in steamboilers.
The object of my invention is to make the joints of boilers and other structures or apparatus, composed of metal plates united by riveting, as strong as the rest of the plates and to this end my invention consists in the use of plates with marginal portions which are to form the laps of the joints and receive the rivets of a suiiiciently greater thick` ness than the rest of the plates to compensate for the weakening effect of the rivet holes when said plates are so lapped that the same rivet passes through both plates in forming a joint. This increase of thickness may be produced in the rolling of the plates, and should extend about two and a quarter inches from the edges, when the plates are to be united by a single row of rivets, or four inches when they are to be united in double rows. The sides of the plates which come together, should be iush as shown in Fig. 2, and the eXtra thickness on the opposite side, as by this distribution the nearest approach to an even surface of the exterior of the boiler, or other structure or apparatus will be preserved. I propose always to make t-he thicker marginal portions a, a, of the plates about double the thickness of the other portions so as to insure at least the same strength at thel joints as in the other portions of `the plate.
I am aware that boiler plates have had an increased thickness given to them at their edges as seen in the English patent of Wm. Fairbairn No. 9409, but in this construction the intervention of a third plate is necessarily used in joining them.
What I claim therefore as my invention and desire to secure by Letters Patent, is-
The use of plates with an increased thickness imparted to their edges when said plates are so lapped that the same rivet passes through both plates, substantially as described.
JAMES BUCHANAN HENRY.
Witnesses:
JOSEPH W. Hown, JOHN RAYMOND.
Publications (1)
Publication Number | Publication Date |
---|---|
US26846A true US26846A (en) | 1860-01-17 |
Family
ID=2096514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US26846D Expired - Lifetime US26846A (en) | James buchanan henby |
Country Status (1)
Country | Link |
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US (1) | US26846A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598898A (en) * | 1984-02-08 | 1986-07-08 | Hsu Wen Cheng | Electrical hydraulic jack |
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0
- US US26846D patent/US26846A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598898A (en) * | 1984-02-08 | 1986-07-08 | Hsu Wen Cheng | Electrical hydraulic jack |
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