GB942857A - Improvements in wire winding machines - Google Patents
Improvements in wire winding machinesInfo
- Publication number
- GB942857A GB942857A GB154462A GB154462A GB942857A GB 942857 A GB942857 A GB 942857A GB 154462 A GB154462 A GB 154462A GB 154462 A GB154462 A GB 154462A GB 942857 A GB942857 A GB 942857A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roller
- grid
- rods
- swaging
- nicking
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F17/00—Jacketing or reinforcing articles with wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0026—Machines for manufacture of grids or anodes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
942,857. Making grids. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Oct. 18, 1962 [Jan. 16, 1962], No. 1544/62. Heading B3A. A machine for making valve grids by winding wire around support rods held by a rotating mandrel and employing at opposite sides of the mandrel axis a roller for cutting a groove in the support rods to receive the wire and a roller performing a swaging operation to secure the wire in the groove comprises an arrangement wherein at least one of the said rollers is positively driven so that at the moment of impact of the rotating support rod with the roller, the periphery of the roller is moving in the same direction as the rod so as to reduce the force of the impact and the tendency to impart a set to the rods. The apparatus comprises a grid nose 31 through which grid support rods 7, 8 are fed, a channelled support die 36 and nicking and swaging rollers 4, 5 mounted on parallel axes above and below the rotation axis of the grid respectively. Grid forming wire 11 is fed from a spool into " V " grooves 13, 12, formed in the rods 7, 8 by the nicking roller 4 in a known manner and retained by swaging or flattening as at 14. The swaging roller 5 is driven in the same direction but at a higher peripheral speed than the grid rods whilst the nicking roller functions as an idler. Alternatively the nicking roller may be driven and the swaging roller idle or both rollers driven so that the peripheral speed of at least one of them is not less than the speed of the grid rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB154462A GB942857A (en) | 1962-01-16 | 1962-01-16 | Improvements in wire winding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB154462A GB942857A (en) | 1962-01-16 | 1962-01-16 | Improvements in wire winding machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB942857A true GB942857A (en) | 1963-11-27 |
Family
ID=9723812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB154462A Expired GB942857A (en) | 1962-01-16 | 1962-01-16 | Improvements in wire winding machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB942857A (en) |
-
1962
- 1962-01-16 GB GB154462A patent/GB942857A/en not_active Expired
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