BE635969A - - Google Patents
Info
- Publication number
- BE635969A BE635969A BE635969DA BE635969A BE 635969 A BE635969 A BE 635969A BE 635969D A BE635969D A BE 635969DA BE 635969 A BE635969 A BE 635969A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/245—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/022—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for helicoidal grooves
- B24B19/024—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for helicoidal grooves on electrical resistances
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US308805A US3190043A (en) | 1963-09-13 | 1963-09-13 | Apparatus for manufacturing electric resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE635969A true BE635969A (en) |
Family
ID=23195469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE635969D BE635969A (en) | 1963-09-13 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3190043A (en) |
| BE (1) | BE635969A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3357139A (en) * | 1964-05-26 | 1967-12-12 | Sigma Engineering Service Inc | Helixing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1660468A (en) * | 1921-12-27 | 1928-02-28 | Bath John | Thread-grinding machine |
| NL85911C (en) * | 1951-02-09 | |||
| US2884746A (en) * | 1955-03-30 | 1959-05-05 | Western Electric Co | Electrical resistance measuring apparatus for cutting helical grooves in resistors |
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0
- BE BE635969D patent/BE635969A/xx unknown
-
1963
- 1963-09-13 US US308805A patent/US3190043A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3190043A (en) | 1965-06-22 |