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.)
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
Kokusai Denki Electric Inc
Original Assignee
HITACHI ELECTRONICS
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 JP909872Aexternal-prioritypatent/JPS4879954A/ja
Priority claimed from JP8453472Aexternal-prioritypatent/JPS4970558A/ja
Application filed by HITACHI ELECTRONICS, Hitachi Denshi KKfiledCriticalHITACHI ELECTRONICS
Publication of FR2169277A1publicationCriticalpatent/FR2169277A1/fr
Priority to US05/537,951priorityCriticalpatent/US3955274A/en
Application grantedgrantedCritical
Publication of FR2169277B1publicationCriticalpatent/FR2169277B1/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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)