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
Application number
Priority date (The priority date 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 date listed.)
Publication of BE635969A publication Critical patent/BE635969A/xx
Priority to US308805A priority Critical patent/US3190043A/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C17/00Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/22Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
    • H01C17/24Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
    • H01C17/245Apparatus 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02Single-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
    • B24B19/022Single-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
    • B24B19/024Single-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
BE635969D 1963-09-13 BE635969A (xx)

Priority Applications (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 (xx)

Family

ID=23195469

Family Applications (1)

Application Number Title Priority Date Filing Date
BE635969D BE635969A (xx) 1963-09-13

Country Status (2)

Country Link
US (1) US3190043A (xx)
BE (1) BE635969A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1660468A (en) * 1921-12-27 1928-02-28 Bath John Thread-grinding machine
NL85911C (xx) * 1951-02-09
US2884746A (en) * 1955-03-30 1959-05-05 Western Electric Co Electrical resistance measuring apparatus for cutting helical grooves in resistors

Also Published As

Publication number Publication date
US3190043A (en) 1965-06-22

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