GB1228421A - - Google Patents

Info

Publication number
GB1228421A
GB1228421A GB1228421DA GB1228421A GB 1228421 A GB1228421 A GB 1228421A GB 1228421D A GB1228421D A GB 1228421DA GB 1228421 A GB1228421 A GB 1228421A
Authority
GB
United Kingdom
Prior art keywords
core
compact
annulus
sheathed
iron
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
Other languages
English (en)
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 filed Critical
Publication of GB1228421A publication Critical patent/GB1228421A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
GB1228421D 1968-03-13 1968-03-13 Expired GB1228421A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1218268 1968-03-13

Publications (1)

Publication Number Publication Date
GB1228421A true GB1228421A (fr) 1971-04-15

Family

ID=9999841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228421D Expired GB1228421A (fr) 1968-03-13 1968-03-13

Country Status (1)

Country Link
GB (1) GB1228421A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015520A1 (fr) * 1979-03-02 1980-09-17 David T. Smith Procédé de fabrication de tiges-poussoirs pour valves
FR2486601A1 (fr) * 1980-07-11 1982-01-15 Daido Metal Co Materiaux pour paliers et leurs procedes de fabrication
US9078793B2 (en) 2011-08-25 2015-07-14 Velcro Industries B.V. Hook-engageable loop fasteners and related systems and methods
CN104819126A (zh) * 2015-03-02 2015-08-05 广东美芝制冷设备有限公司 用于压缩机的轴承以及制备方法以及压缩机和制冷设备
US9119443B2 (en) 2011-08-25 2015-09-01 Velcro Industries B.V. Loop-engageable fasteners and related systems and methods

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015520A1 (fr) * 1979-03-02 1980-09-17 David T. Smith Procédé de fabrication de tiges-poussoirs pour valves
FR2486601A1 (fr) * 1980-07-11 1982-01-15 Daido Metal Co Materiaux pour paliers et leurs procedes de fabrication
US9078793B2 (en) 2011-08-25 2015-07-14 Velcro Industries B.V. Hook-engageable loop fasteners and related systems and methods
US9119443B2 (en) 2011-08-25 2015-09-01 Velcro Industries B.V. Loop-engageable fasteners and related systems and methods
US9872542B2 (en) 2011-08-25 2018-01-23 Velcro BVBA Loop-engageable fasteners and related systems and methods
CN104819126A (zh) * 2015-03-02 2015-08-05 广东美芝制冷设备有限公司 用于压缩机的轴承以及制备方法以及压缩机和制冷设备

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee