US1656764A - Alloy suitable for loading telephone and telegraph conductors - Google Patents

Alloy suitable for loading telephone and telegraph conductors Download PDF

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Publication number
US1656764A
US1656764A US105564A US10556426A US1656764A US 1656764 A US1656764 A US 1656764A US 105564 A US105564 A US 105564A US 10556426 A US10556426 A US 10556426A US 1656764 A US1656764 A US 1656764A
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Prior art keywords
alloy suitable
telegraph
conductors
telephone
loading
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US105564A
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Smith Willoughby Statham
Garnett Henry Joseph
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt

Definitions

  • This invention relates to new alloys which have a very high specific resistance and high initial magnetic permeability, and are consequently very suitable'in the form of wires, tapes or strips, for loading telephone and telegraph conductors.
  • an alloy is' sistance of 99 microhms per cm.
  • An alloy suitable for loading telephone and telegraph conductorsand having a nickel content of from 62 to 69%, an iron. content of from 11 to 19%, a copper. content of from 6 to 10% and a chromium content of from 5 to 9%, together with an addition of about 0.5% manganese.

Description

, Patented Jan. 17, 1928.
UNITED STATES PATENT OFFICE.
WILLOUGHBY STATE-AI SMITH, OF NEWTON POPPLEFORD, AND HENRY JOSEPH GAR- NETT, OF SEVEN OAKS, ENGLAND.
ALLOY SUITABLE FOR LOADING TELEPHONE AND TELEGRAPH CONDUCTORS.
Ho Drawing. Application filed April 29, 1926, Serial No. 105,564, and in Great Britain July 10, 1925.
This invention relates to new alloys which have a very high specific resistance and high initial magnetic permeability, and are consequently very suitable'in the form of wires, tapes or strips, for loading telephone and telegraph conductors.
According to this invention an alloy is' sistance of 99 microhms per cm".
What we claim is 1. An alloy suitable for loading telephone and telegraph conductors and having a nickel content of from'62 to 69%, an iron content of from 11 to 19%, a copper content of from 6 to 10% and a chromium content of from 5 to 9%.
2. An alloy suitable for loading telephone and telegraph conductorsand having a nickel content of from 62 to 69%, an iron. content of from 11 to 19%, a copper. content of from 6 to 10% and a chromium content of from 5 to 9%, together with an addition of about 0.5% manganese.
3. An alloy suitable for loading telephone and telegraph conductors and composed of nickel iron 18%, copper. 10%, chromium 7% and an addition of 0.5% of manganese.
In testimony that we claim the foregoing as our inventiom'we have signed our names this fifteenth day of April, 1926.
WILLOUGHBY STATHAM SMITH. HENRY JOSEPH GARNETT.
US105564A 1925-07-10 1926-04-29 Alloy suitable for loading telephone and telegraph conductors Expired - Lifetime US1656764A (en)

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GB1656764X 1925-07-10

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