US214327A - Improvement in joints for sheet-metal tubing - Google Patents
Improvement in joints for sheet-metal tubing Download PDFInfo
- Publication number
- US214327A US214327A US214327DA US214327A US 214327 A US214327 A US 214327A US 214327D A US214327D A US 214327DA US 214327 A US214327 A US 214327A
- Authority
- US
- United States
- Prior art keywords
- sheet
- metal
- joints
- fold
- metal tubing
- 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 30
- 210000001503 Joints Anatomy 0.000 title description 6
- 238000004642 transportation engineering Methods 0.000 description 4
- 206010022114 Injury Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Definitions
- the surplus metal of the edge is crimped or bent to form an open single fold, O.
- the other edge of the sheet is bent to form an open fold, D, which should correspond in depth to the fold C, but be turned in the opposite direction.
- Tubes or pipes prepared in this way may be rolled up or nested, one within another, as indicated in Fig. 2, so as to occupy very little space in transportation. I prefer to roll them; but they may be shipped flat.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
E. J. VAN SIGKLE. Joipts for Sheet-Metal Tubing.
No. 214,327. Patented April 15, 1879.
I llllllllllhmu lllllll II I l Tl 1m". llll |||||||||||")|mmm 1 |||l|||||| \mwa fifiz INVENTORI MW 60. Jam-amPiTiRS. PHOTOYUTHOGRAPHER, WASHINGTON D C UNITED STATES PATENT OFFICE.
EDWARD J. VAN SICKLE, OF NEW YORK, N. Y.
IMPROVEMENT IN JOINTS FOR SHEET-METAL TUBING.
Specification forming part of Letters Patent No. 214,327, dated April 15, 1879; application filed January 28, 1878.
To all whom it may concern Be it known that I, EDWARD J .VAN SICKLE, of the city, county, and State of New York, have invented certain Improvements in Sheet- Metal Tubes, of which the following is a specification.
While adapted to any kind of sheet-metal tubing, my invention is especially suited to stove-pipes; the object being to produce a pipe that can be put up compactly for shipment, and which maybe readily and smoothly joined at the edges without the aid of rivets or special machinery and skill.
It is well known that all kinds of sheet-metal tubing, including stove-pipes, are very bulky and liable to receive injury in transportation unless especially well protected. It is desirable, however, that the metal should be put in shape at the manufacturing centers to form pipe, after it has reached its destination, without the help of special tools, and such metal has been manufactured. It is to this class that my present invention belongs, which I will now describe, reference being had to the accompanying drawings, wherein- Figure l is a section of a sheet-metal tube constructed according to my invention, showing the edges disengaged. Fig. 2 is a sectional view, showing one tube with its edges engaged and one rolled up inside the same. Figs. 3 and 4. are elevations which show, re spectively, tubes with the joints open and closed. Fig. 5 shows, in section, a pipe or tube with thejoint closed and hammered down; and Fig. 6 is a modification of the same.
Let A represent a sheet of metal of any suitable length, and wide enough to make a pipe or tube of the proper diameter. One edge of this sheet is crimped by proper machinery to form a double fold, B.
The surplus metal of the edge is crimped or bent to form an open single fold, O. The other edge of the sheet is bent to form an open fold, D, which should correspond in depth to the fold C, but be turned in the opposite direction. Tubes or pipes prepared in this way may be rolled up or nested, one within another, as indicated in Fig. 2, so as to occupy very little space in transportation. I prefer to roll them; but they may be shipped flat.
After reaching their destination it is only necessary to hook the open folds O D together, as shown in Fig. 2, and hammer them close down on a mandrel, or other suitable resistance, to form a close, smooth, flush joint, as shown in Fig. 5. If thejointis properly made it will be flush, and the fold D will abut against the shoulder formed by the fold B in such a way as to prevent the former from slipping or disengaging itself. In ordinary cases the rib formed at the joint will be thrown on the inside of the tube; but it may as well be thrown on the outside, as in Fig. 6, if it were desired that the tube be perfectly smooth inside.
I am aware that forming simple folds on opposite edges of a sheet engaging them, and then closing them down, is not new; but
What I do claim as new is- 1. The pipe or tube A, of sheet metal, having a double fold, B, of triple thickness at one edge to form a shoulder, the surplus metal beyond the shoulder being bent upward to form an open fold, G, as shown, and having a single open fold, D, turned downward on its other edge, prepared to engage the fold O and form a flush joint, substantially as set forth.
2. A joint for a pipe or tube of sheet metal, consisting of single folds on each edge turned in opposite ways, and a shoulder or offset of triple thickness, to make the joint flush and prevent the separation of the engaged folds, formed by bending a fold of the metal back upon itself, substantially as shown.
In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.
EDWARD J. VAN SIGKLE. Witnesses:
HENRY GoNNE'rr, ARTHUR C. FRASER.
Publications (1)
Publication Number | Publication Date |
---|---|
US214327A true US214327A (en) | 1879-04-15 |
Family
ID=2283731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US214327D Expired - Lifetime US214327A (en) | Improvement in joints for sheet-metal tubing |
Country Status (1)
Country | Link |
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US (1) | US214327A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816654A (en) * | 1955-04-04 | 1957-12-17 | Chesebrough Mfg Company | Container and applicator for semi-solid substances |
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0
- US US214327D patent/US214327A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816654A (en) * | 1955-04-04 | 1957-12-17 | Chesebrough Mfg Company | Container and applicator for semi-solid substances |
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