AU509774B2 - Differential'hardening of discs - Google Patents

Differential'hardening of discs

Info

Publication number
AU509774B2
AU509774B2 AU30129/77A AU3012977A AU509774B2 AU 509774 B2 AU509774 B2 AU 509774B2 AU 30129/77 A AU30129/77 A AU 30129/77A AU 3012977 A AU3012977 A AU 3012977A AU 509774 B2 AU509774 B2 AU 509774B2
Authority
AU
Australia
Prior art keywords
hardening
discs
differential
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
AU30129/77A
Other versions
AU3012977A (en
Inventor
W. M Johnson
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.)
Ralph McKay Ltd
Original Assignee
Ralph McKay 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 Ralph McKay Ltd filed Critical Ralph McKay Ltd
Priority to AU30129/77A priority Critical patent/AU509774B2/en
Publication of AU3012977A publication Critical patent/AU3012977A/en
Application granted granted Critical
Publication of AU509774B2 publication Critical patent/AU509774B2/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B23/00—Elements, tools, or details of harrows
    • A01B23/06—Discs; Scrapers for cleaning discs; Sharpening attachments; Lubrication of bearings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B15/00—Elements, tools, or details of ploughs
    • A01B15/16—Discs; Scrapers for cleaning discs; Sharpening attachments
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
AU30129/77A 1976-12-15 1976-12-15 Differential'hardening of discs Expired AU509774B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU30129/77A AU509774B2 (en) 1976-12-15 1976-12-15 Differential'hardening of discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU30129/77A AU509774B2 (en) 1976-12-15 1976-12-15 Differential'hardening of discs

Publications (2)

Publication Number Publication Date
AU3012977A AU3012977A (en) 1979-05-03
AU509774B2 true AU509774B2 (en) 1980-05-22

Family

ID=3718065

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30129/77A Expired AU509774B2 (en) 1976-12-15 1976-12-15 Differential'hardening of discs

Country Status (1)

Country Link
AU (1) AU509774B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU173799U1 (en) * 2017-03-27 2017-09-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Брянский государственный аграрный университет" SPHERICAL DISC WITH CONTINUOUS CUTTING EDGE FOR SOIL PROCESSING TOOLS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU173799U1 (en) * 2017-03-27 2017-09-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Брянский государственный аграрный университет" SPHERICAL DISC WITH CONTINUOUS CUTTING EDGE FOR SOIL PROCESSING TOOLS

Also Published As

Publication number Publication date
AU3012977A (en) 1979-05-03

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