FR2169277A1 - - Google Patents

Info

Publication number
FR2169277A1
FR2169277A1 FR7302684A FR7302684A FR2169277A1 FR 2169277 A1 FR2169277 A1 FR 2169277A1 FR 7302684 A FR7302684 A FR 7302684A FR 7302684 A FR7302684 A FR 7302684A FR 2169277 A1 FR2169277 A1 FR 2169277A1
Authority
FR
France
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.)
Granted
Application number
FR7302684A
Other languages
French (fr)
Other versions
FR2169277B1 (US06338842-20020115-C00009.png
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.)
Hitachi Electronics Ltd
Hitachi Denshi KK
Original Assignee
Hitachi Electronics Ltd
Hitachi Denshi KK
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
Priority claimed from JP909872A external-priority patent/JPS4879954A/ja
Priority claimed from JP8453472A external-priority patent/JPS4970558A/ja
Application filed by Hitachi Electronics Ltd, Hitachi Denshi KK filed Critical Hitachi Electronics Ltd
Publication of FR2169277A1 publication Critical patent/FR2169277A1/fr
Priority to US05/537,951 priority Critical patent/US3955274A/en
Application granted granted Critical
Publication of FR2169277B1 publication Critical patent/FR2169277B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/22—Making metal-coated products; Making products from two or more metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguides (AREA)
FR7302684A 1972-01-26 1973-01-25 Expired FR2169277B1 (US06338842-20020115-C00009.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/537,951 US3955274A (en) 1972-08-25 1974-12-30 Method of manufacturing a low energy-loss waveguide circuit element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP909872A JPS4879954A (US06338842-20020115-C00009.png) 1972-01-26 1972-01-26
JP8453472A JPS4970558A (US06338842-20020115-C00009.png) 1972-08-25 1972-08-25

Publications (2)

Publication Number Publication Date
FR2169277A1 true FR2169277A1 (US06338842-20020115-C00009.png) 1973-09-07
FR2169277B1 FR2169277B1 (US06338842-20020115-C00009.png) 1975-10-31

Family

ID=26343755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302684A Expired FR2169277B1 (US06338842-20020115-C00009.png) 1972-01-26 1973-01-25

Country Status (3)

Country Link
DE (1) DE2303184C3 (US06338842-20020115-C00009.png)
FR (1) FR2169277B1 (US06338842-20020115-C00009.png)
GB (1) GB1411915A (US06338842-20020115-C00009.png)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2169277B1 (US06338842-20020115-C00009.png) 1975-10-31
DE2303184A1 (de) 1973-08-16
DE2303184C3 (de) 1975-10-30
DE2303184B2 (de) 1974-03-07
GB1411915A (en) 1975-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse