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GB862975A - Improvements relating to the production of valve spring-retainers - Google Patents

Improvements relating to the production of valve spring-retainers

Info

Publication number
GB862975A
GB862975A GB965457A GB965457A GB862975A GB 862975 A GB862975 A GB 862975A GB 965457 A GB965457 A GB 965457A GB 965457 A GB965457 A GB 965457A GB 862975 A GB862975 A GB 862975A
Authority
GB
United Kingdom
Prior art keywords
valve spring
retainers
extruding
production
improvements relating
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
GB965457A
Inventor
Sebastian Hammerich
Heinz Dieter Feldmann
Friedrich Vogel
Erich Happel
Walter Traussneck
Walter Haas
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.)
KABEL und METALLWERKE NEUMEYER
Original Assignee
KABEL und METALLWERKE NEUMEYER
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 KABEL und METALLWERKE NEUMEYER filed Critical KABEL und METALLWERKE NEUMEYER
Priority to GB965457A priority Critical patent/GB862975A/en
Publication of GB862975A publication Critical patent/GB862975A/en
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
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

862,975. Making valve spring retainers; extruding; forging. KABELUND METALLWERKE NEUMEYER A.G. March 25, 1957, No. 9654/57. Classes 83 (2) and 83 (4). A steel valve spring retainer is made by cold backwardly-extruding a steel blank into cupshape, then forwardly extruding it by a punch 7 within a die 6, Fig. 4, and also punching out the bottom of the cup, and finally cold-pressing it to final shape in a die, Fig. 5.
GB965457A 1957-03-25 1957-03-25 Improvements relating to the production of valve spring-retainers Expired GB862975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB965457A GB862975A (en) 1957-03-25 1957-03-25 Improvements relating to the production of valve spring-retainers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB965457A GB862975A (en) 1957-03-25 1957-03-25 Improvements relating to the production of valve spring-retainers

Publications (1)

Publication Number Publication Date
GB862975A true GB862975A (en) 1961-03-15

Family

ID=9876175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB965457A Expired GB862975A (en) 1957-03-25 1957-03-25 Improvements relating to the production of valve spring-retainers

Country Status (1)

Country Link
GB (1) GB862975A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210501A1 (en) * 1971-03-05 1972-09-14 Joseph Lucas (Industries) Ltd., Birmingham (Grossbritannien) Process for the production of a component for a roller clutch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210501A1 (en) * 1971-03-05 1972-09-14 Joseph Lucas (Industries) Ltd., Birmingham (Grossbritannien) Process for the production of a component for a roller clutch
FR2128006A5 (en) * 1971-03-05 1972-10-13 Lucas Industries Ltd

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