AU5441080A - Production of self tapping screws from 300 series austenitic stainless steels by sub-zero treatment and thread rolling - Google Patents

Production of self tapping screws from 300 series austenitic stainless steels by sub-zero treatment and thread rolling

Info

Publication number
AU5441080A
AU5441080A AU54410/80A AU5441080A AU5441080A AU 5441080 A AU5441080 A AU 5441080A AU 54410/80 A AU54410/80 A AU 54410/80A AU 5441080 A AU5441080 A AU 5441080A AU 5441080 A AU5441080 A AU 5441080A
Authority
AU
Australia
Prior art keywords
sub
production
austenitic stainless
stainless steels
thread rolling
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.)
Abandoned
Application number
AU54410/80A
Inventor
Not Given Name
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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
Priority claimed from US06/001,975 external-priority patent/US4295351A/en
Priority claimed from US06/001,976 external-priority patent/US4289006A/en
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of AU5441080A publication Critical patent/AU5441080A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
    • B21H9/02—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass for screw-rolling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
AU54410/80A 1979-01-08 1980-01-07 Production of self tapping screws from 300 series austenitic stainless steels by sub-zero treatment and thread rolling Abandoned AU5441080A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US01975 1979-01-08
US06/001,975 US4295351A (en) 1979-01-08 1979-01-08 Self-tapping stainless steel screw and method for producing same
US06/001,976 US4289006A (en) 1979-01-08 1979-01-08 Apparatus for producing threaded self-tapping stainless steel screws
US01976 1979-01-08

Publications (1)

Publication Number Publication Date
AU5441080A true AU5441080A (en) 1980-07-17

Family

ID=26669748

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54410/80A Abandoned AU5441080A (en) 1979-01-08 1980-01-07 Production of self tapping screws from 300 series austenitic stainless steels by sub-zero treatment and thread rolling

Country Status (3)

Country Link
AU (1) AU5441080A (en)
FR (1) FR2445742A1 (en)
NZ (1) NZ192536A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952884A (en) * 1975-02-26 1976-04-27 The Hartford Special Machinery Company Apparatus for feeding headed work blanks
US4042421A (en) * 1975-12-03 1977-08-16 Union Carbide Corporation Method for providing strong tough metal alloys

Also Published As

Publication number Publication date
FR2445742A1 (en) 1980-08-01
NZ192536A (en) 1984-02-03

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