GB154475A - Process of making pistons - Google Patents
Process of making pistonsInfo
- Publication number
- GB154475A GB154475A GB83020A GB83020A GB154475A GB 154475 A GB154475 A GB 154475A GB 83020 A GB83020 A GB 83020A GB 83020 A GB83020 A GB 83020A GB 154475 A GB154475 A GB 154475A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- segments
- ring
- pin
- cut
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
154,475. Goold, L. W., (Stark, O. G.). Jan. 10, 1920. Piston packing; pistons.-A method of making a piston consists in finishing the operative circumferential surface while the ring portion on which the surface is located is subjected to strains acting in opposite directions, means being provided for limiting, during the finishing operation, the strain to which the piston is not normally subjected while in operation. In one way of carrying the invention into effect, a casting consisting of two rings 1, 2 connected by members 3 carrying bosses 4 for the wrist-pin 9 is used; and the ring 2 and head are divided into the segments by a cut 7 and the bearings for the pin 9 are inclined slightly downwards, so that, when the pin is inserted, the segments are forced apart. A wedge-shaped channel 11 is formed across the head symmetrically with respect to the cut 7, and a wedge-shaped plate 12 is inserted therein. The two segments are then drawn together by means of a nut and bolt 16 in lugs 6, and while so compressed the piston is finished, preferably to a slightly tapered shape. The cut 7 is closed by keys 13 inserted in cross-cuts in the ring 2. The piston when finished is inserted in the cylinder, and the nut 17 is turned to relieve the compression and allow the segments to press against the cylinder wall. Lubricant grooves are provided in the ring 1. A spring 21 in the piston head fixes the adjusting nut 17.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB83020A GB154475A (en) | 1920-01-10 | 1920-01-10 | Process of making pistons |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB83020A GB154475A (en) | 1920-01-10 | 1920-01-10 | Process of making pistons |
Publications (1)
Publication Number | Publication Date |
---|---|
GB154475A true GB154475A (en) | 1920-12-02 |
Family
ID=9711210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB83020A Expired GB154475A (en) | 1920-01-10 | 1920-01-10 | Process of making pistons |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB154475A (en) |
-
1920
- 1920-01-10 GB GB83020A patent/GB154475A/en not_active Expired
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