CH444798A - Machine for rolling conical thread parts on screws, especially on wood screws - Google Patents

Machine for rolling conical thread parts on screws, especially on wood screws

Info

Publication number
CH444798A
CH444798A CH218567A CH218567A CH444798A CH 444798 A CH444798 A CH 444798A CH 218567 A CH218567 A CH 218567A CH 218567 A CH218567 A CH 218567A CH 444798 A CH444798 A CH 444798A
Authority
CH
Switzerland
Prior art keywords
screws
machine
thread parts
conical thread
wood
Prior art date
Application number
CH218567A
Other languages
German (de)
Inventor
Huebl Johann
Original Assignee
Pee Wee Masch & Apparate
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 Pee Wee Masch & Apparate filed Critical Pee Wee Masch & Apparate
Publication of CH444798A publication Critical patent/CH444798A/en

Links

Classifications

    • 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
    • B21H3/065—Planetary thread rolling
CH218567A 1966-03-08 1967-02-15 Machine for rolling conical thread parts on screws, especially on wood screws CH444798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0038932 1966-03-08

Publications (1)

Publication Number Publication Date
CH444798A true CH444798A (en) 1967-10-15

Family

ID=7376186

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218567A CH444798A (en) 1966-03-08 1967-02-15 Machine for rolling conical thread parts on screws, especially on wood screws

Country Status (5)

Country Link
AT (1) AT271153B (en)
CH (1) CH444798A (en)
DE (1) DE1552185B2 (en)
FR (1) FR1515352A (en)
GB (1) GB1123753A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819469A (en) * 1987-03-18 1989-04-11 Erico International Corporation Method for rolling tapered threads on bars
DE102018113978B3 (en) * 2018-06-12 2019-09-05 Mag Ias Gmbh Cold rolling machine and method for producing a profile on a workpiece

Also Published As

Publication number Publication date
GB1123753A (en) 1968-08-14
DE1552185B2 (en) 1972-05-18
FR1515352A (en) 1968-03-01
AT271153B (en) 1969-05-27
DE1552185A1 (en) 1970-09-03

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