CA994993A - Matrix-type electrodes having braze-penetration barrier - Google Patents

Matrix-type electrodes having braze-penetration barrier

Info

Publication number
CA994993A
CA994993A CA177,954A CA177954A CA994993A CA 994993 A CA994993 A CA 994993A CA 177954 A CA177954 A CA 177954A CA 994993 A CA994993 A CA 994993A
Authority
CA
Canada
Prior art keywords
braze
matrix
type electrodes
penetration barrier
penetration
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
Application number
CA177,954A
Other versions
CA177954S (en
Inventor
Paul O. Wayland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA994993A publication Critical patent/CA994993A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49206—Contact or terminal manufacturing by powder metallurgy
CA177,954A 1972-09-25 1973-08-01 Matrix-type electrodes having braze-penetration barrier Expired CA994993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00292210A US3828428A (en) 1972-09-25 1972-09-25 Matrix-type electrodes having braze-penetration barrier

Publications (1)

Publication Number Publication Date
CA994993A true CA994993A (en) 1976-08-17

Family

ID=23123697

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,954A Expired CA994993A (en) 1972-09-25 1973-08-01 Matrix-type electrodes having braze-penetration barrier

Country Status (2)

Country Link
US (1) US3828428A (en)
CA (1) CA994993A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536153B2 (en) * 1975-08-13 1977-06-08 Siemens AG, 1000 Berlin und 8000 München PROCESS FOR PRODUCING MULTI-LAYER CONTACT PIECES FOR VACUUM MEDIUM VOLTAGE CIRCUIT BREAKERS
US4053728A (en) * 1975-10-24 1977-10-11 General Electric Company Brazed joint between a beryllium-base part and a part primarily of a metal that is retractable with beryllium to form a brittle intermetallic compound
KR860001452B1 (en) * 1981-10-03 1986-09-25 이마이 마사오 Air-breaker
US4530815A (en) * 1982-06-29 1985-07-23 Mitsubishi Denki Kabushiki Kaisha Method of producing a contact device for a switch
DE3378439D1 (en) * 1982-08-09 1988-12-15 Meidensha Electric Mfg Co Ltd Contact material of vacuum interrupter and manufacturing process therefor
US4588879A (en) * 1982-11-30 1986-05-13 Kabushika Kaisha Meidensha Vacuum interrupter
JPS6054124A (en) * 1983-09-02 1985-03-28 株式会社日立製作所 Vacuum breaker
CA1230909A (en) * 1983-03-22 1987-12-29 Kaoru Kitakizaki Vacuum interrupter electrode with low conductivity magnetic arc rotating portion
US5223790A (en) * 1991-05-10 1993-06-29 Metricom, Inc. Current sensor using current transformer with sintered primary
EP0917171A3 (en) * 1997-11-14 1999-07-28 Hitachi, Ltd. Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof
US6437275B1 (en) 1998-11-10 2002-08-20 Hitachi, Ltd. Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof
US20050260939A1 (en) * 2004-05-18 2005-11-24 Saint-Gobain Abrasives, Inc. Brazed diamond dressing tool

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389061A (en) * 1941-04-08 1945-11-13 Raybestos Manhattan Inc Powdered metal body and method of making same
US2706759A (en) * 1951-07-14 1955-04-19 Gibson Electric Company Refractory contacts
DE1209223B (en) * 1961-09-26 1966-01-20 Siemens Ag Sintered contact bodies with two or more layers
US3152892A (en) * 1961-11-08 1964-10-13 Texas Instruments Inc Production of strip material from powder
US3359623A (en) * 1965-05-13 1967-12-26 Talon Inc Method for making refractory metal contacts having integral welding surfaces thereon
US3514559A (en) * 1967-03-27 1970-05-26 Mc Graw Edison Co Vacuum type circuit interrupter
US3592987A (en) * 1968-03-19 1971-07-13 Westinghouse Electric Corp Gettering arrangements for vacuum-type circuit interrupters comprising fibers of gettering material embedded in a matrix of material of good conductivity
US3615901A (en) * 1969-12-01 1971-10-26 Gustav K Medicus Method of making a plastically shapeable cathode material
US3627963A (en) * 1971-03-18 1971-12-14 Wesley N Lindsay Vacuum interrupter contacts

Also Published As

Publication number Publication date
US3828428A (en) 1974-08-13

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