GB694390A - Improvements relating to the production from pulverulent metal of machine parts withresistant working surfaces - Google Patents

Improvements relating to the production from pulverulent metal of machine parts withresistant working surfaces

Info

Publication number
GB694390A
GB694390A GB8213/51A GB821351A GB694390A GB 694390 A GB694390 A GB 694390A GB 8213/51 A GB8213/51 A GB 8213/51A GB 821351 A GB821351 A GB 821351A GB 694390 A GB694390 A GB 694390A
Authority
GB
United Kingdom
Prior art keywords
powder
strip
body portion
working surfaces
withresistant
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
GB8213/51A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB694390A publication Critical patent/GB694390A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B22F3/24—After-treatment of workpieces or articles

Abstract

694,390. Powder metallurgy; making compound forms. DAIMLER-BENZ AKT.-GES. April 9, 1951 [April 8, 1950], No. 8213/51. Classes 83 (ii) and 83 (iv). In a method of making a machine part having a working surface of greater strength than the body portion, the body portion is made from metalpowder and is provided during or after the compacting of the powder with a metal coating of a dense and homogeneous structure which has not been formed by powder metallurgy. In one example, the body portion of a toothed wheel is pressed from steel powder with a low carbon content and either before or after sintering is coated at the working surfaces of the teeth with a layer of chromium applied galvanically or by spraying. In another example a cam is made by bending a strip of thin sheet-metal 12 into the required shape, butt-welding the ends of the strip and then compressing within it iron or steel powder 10 to form the body of the cam. The whole is then heated at 500‹-1000‹ C. to sinter the powder and cause the strip to adhere to the body, as by welding or soldering.
GB8213/51A 1950-04-08 1951-04-09 Improvements relating to the production from pulverulent metal of machine parts withresistant working surfaces Expired GB694390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE694390X 1950-04-08

Publications (1)

Publication Number Publication Date
GB694390A true GB694390A (en) 1953-07-22

Family

ID=6606335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8213/51A Expired GB694390A (en) 1950-04-08 1951-04-09 Improvements relating to the production from pulverulent metal of machine parts withresistant working surfaces

Country Status (1)

Country Link
GB (1) GB694390A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328505A (en) * 1976-08-31 1978-03-16 Fuji Dies Kk Superhard alloy product and process for production thereof
JPS5368605A (en) * 1976-12-01 1978-06-19 Kentarou Takahashi Composite molded valve seat
JPS5377936U (en) * 1976-12-02 1978-06-29
US4430386A (en) 1979-02-09 1984-02-07 Toyo Kohan Co., Ltd. Composite metal sintered article and method of making same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328505A (en) * 1976-08-31 1978-03-16 Fuji Dies Kk Superhard alloy product and process for production thereof
JPS5368605A (en) * 1976-12-01 1978-06-19 Kentarou Takahashi Composite molded valve seat
JPS5644123B2 (en) * 1976-12-01 1981-10-17
JPS5377936U (en) * 1976-12-02 1978-06-29
US4430386A (en) 1979-02-09 1984-02-07 Toyo Kohan Co., Ltd. Composite metal sintered article and method of making same

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