ZA773422B - Manufacturing process of steel tubes for barrels helicoidally straited in the inner part - Google Patents

Manufacturing process of steel tubes for barrels helicoidally straited in the inner part

Info

Publication number
ZA773422B
ZA773422B ZA00773422A ZA773422A ZA773422B ZA 773422 B ZA773422 B ZA 773422B ZA 00773422 A ZA00773422 A ZA 00773422A ZA 773422 A ZA773422 A ZA 773422A ZA 773422 B ZA773422 B ZA 773422B
Authority
ZA
South Africa
Prior art keywords
straited
helicoidally
barrels
manufacturing process
inner part
Prior art date
Application number
ZA00773422A
Other languages
English (en)
Inventor
R Santoma
Original Assignee
Transformaciones Metalurgicas
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 Transformaciones Metalurgicas filed Critical Transformaciones Metalurgicas
Publication of ZA773422B publication Critical patent/ZA773422B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/152—Making rifle or gun barrels
    • B21C37/153—Making tubes with inner or outer guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with helical guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Materials For Medical Uses (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
ZA00773422A 1976-06-07 1977-06-07 Manufacturing process of steel tubes for barrels helicoidally straited in the inner part ZA773422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES448624A ES448624A1 (es) 1976-06-07 1976-06-07 Procedimiento de fabricacion de tubos de acero para canones de armas, estriados helicoidalmente en su interior.

Publications (1)

Publication Number Publication Date
ZA773422B true ZA773422B (en) 1978-04-26

Family

ID=8471708

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00773422A ZA773422B (en) 1976-06-07 1977-06-07 Manufacturing process of steel tubes for barrels helicoidally straited in the inner part

Country Status (17)

Country Link
JP (1) JPS52150363A (fr)
AR (1) AR220678A1 (fr)
AT (1) AT364593B (fr)
BE (1) BE855458A (fr)
BR (1) BR7703699A (fr)
CH (1) CH620378A5 (fr)
DD (1) DD132299A5 (fr)
DE (1) DE2724195A1 (fr)
DK (1) DK248977A (fr)
ES (1) ES448624A1 (fr)
FR (1) FR2354155A1 (fr)
IT (1) IT1078882B (fr)
NL (1) NL7706197A (fr)
NO (1) NO771966L (fr)
PL (1) PL198702A1 (fr)
SE (1) SE7706487L (fr)
ZA (1) ZA773422B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854148A (en) * 1987-06-19 1989-08-08 The Babcock & Wilcox Company Cold drawing technique and apparatus for forming internally grooved tubes
CN110576066A (zh) * 2018-06-10 2019-12-17 江苏君睿智能制造有限公司 一种钢管的冷拔转盘
CN111842517A (zh) * 2020-07-24 2020-10-30 浙江久立特材科技股份有限公司 一种带肋包壳管的冷拔模具、生产工艺及其成品管

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR518136A (fr) * 1918-03-27 1921-05-19 Ternitzer Stahl Und Eisenwerke Procédé et dispositif pour l'obtention des rayures dans les tubes
US2104319A (en) * 1934-02-10 1938-01-04 Remington Arms Co Inc Manufacture of rifled tubes
DE950362C (de) * 1940-01-16 1956-10-11 Benteler Werke Ag Verfahren zur Herstellung von mit schraubenfoermigen Zuegen versehenen, ohne Nachbearbeitung beschussfaehigen Drallrohren von Schusswaffen
DE768148C (de) * 1941-12-28 1958-07-03 Gustav Appel Maschinenfabrik Verfahren zur Herstellung eines Rohres mit vieleckigem gleichbleibenden oder sich verengenden Innenquerschnitt
FR1028353A (fr) * 1949-11-24 1953-05-21 Oerlikon Buehrle Ag Procédé d'usinage des tubes des armes à feu
US2852835A (en) * 1954-04-29 1958-09-23 Harvey Machine Co Inc Apparatus for forming spiral projections in tubing
GB1202491A (en) * 1967-03-15 1970-08-19 Nippon Kokan Kk A method and apparatus for forming internal helical ribbing in a metal tube
CH588311A5 (en) * 1975-06-13 1977-05-31 Jansen Ag Helically grooved tool mfr. - by drawing between two-part tools having groove negative pattern to give continuous helix on tube

Also Published As

Publication number Publication date
AR220678A1 (es) 1980-11-28
DK248977A (da) 1977-12-08
NL7706197A (nl) 1977-12-09
NO771966L (no) 1977-12-08
DE2724195A1 (de) 1977-12-22
IT1078882B (it) 1985-05-08
CH620378A5 (en) 1980-11-28
BR7703699A (pt) 1978-03-21
SE7706487L (sv) 1977-12-08
FR2354155A1 (fr) 1978-01-06
ES448624A1 (es) 1977-07-01
ATA401377A (de) 1981-03-15
BE855458A (fr) 1977-10-03
AT364593B (de) 1981-10-27
PL198702A1 (pl) 1978-01-30
DD132299A5 (de) 1978-09-20
JPS52150363A (en) 1977-12-14

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