GB1323370A - Method of manufacturing an article having a cylindrical peripheral wall and integral thinwalled portions inwardly thereof - Google Patents

Method of manufacturing an article having a cylindrical peripheral wall and integral thinwalled portions inwardly thereof

Info

Publication number
GB1323370A
GB1323370A GB2665771*A GB2665771A GB1323370A GB 1323370 A GB1323370 A GB 1323370A GB 2665771 A GB2665771 A GB 2665771A GB 1323370 A GB1323370 A GB 1323370A
Authority
GB
United Kingdom
Prior art keywords
punch
peripheral wall
integral
walls
bottom wall
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
GB2665771*A
Other languages
English (en)
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 Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1323370A publication Critical patent/GB1323370A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K23/00—Making other articles
    • 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
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, rods or tubes
    • B21C23/10—Making finned tubes
    • 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
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/165—Manufacturing processes or apparatus therefore

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forging (AREA)
  • Microwave Tubes (AREA)
GB2665771*A 1970-04-10 1971-04-19 Method of manufacturing an article having a cylindrical peripheral wall and integral thinwalled portions inwardly thereof Expired GB1323370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45030188A JPS4947625B1 (enrdf_load_stackoverflow) 1970-04-10 1970-04-10

Publications (1)

Publication Number Publication Date
GB1323370A true GB1323370A (en) 1973-07-11

Family

ID=12296765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2665771*A Expired GB1323370A (en) 1970-04-10 1971-04-19 Method of manufacturing an article having a cylindrical peripheral wall and integral thinwalled portions inwardly thereof

Country Status (4)

Country Link
US (1) US3719068A (enrdf_load_stackoverflow)
JP (1) JPS4947625B1 (enrdf_load_stackoverflow)
DE (1) DE2116801A1 (enrdf_load_stackoverflow)
GB (1) GB1323370A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115514B2 (enrdf_load_stackoverflow) * 1971-11-22 1976-05-17
US4341106A (en) * 1977-04-13 1982-07-27 Gleason Works Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine
NL8302439A (nl) * 1983-07-08 1985-02-01 Philips Nv Werkwijze voor het vervaardigen van een golfgeleiderfilter, alsmede een golfgeleiderfilter vervaardigd volgens die werkwijze.
JPH0433728A (ja) * 1990-05-25 1992-02-05 Toshiba Corp バーリング加工方法
US5618297A (en) * 1994-10-13 1997-04-08 Applied Medical Resources Obturator with internal tip protector
CN102699085A (zh) * 2012-06-01 2012-10-03 北京理工大学 双反挤压制备led散热托架

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1482697A (en) * 1922-02-24 1924-02-05 Henderson B Douglas Method of forming drawbar yokes
GB677779A (en) * 1949-05-20 1952-08-20 Hoover Ltd Improvements relating to the manufacture of commutators for dynamo-electric machines

Also Published As

Publication number Publication date
JPS4947625B1 (enrdf_load_stackoverflow) 1974-12-17
US3719068A (en) 1973-03-06
DE2116801A1 (enrdf_load_stackoverflow) 1971-10-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee