CA977216A - Apparatus for forming spiral steel pipe - Google Patents

Apparatus for forming spiral steel pipe

Info

Publication number: CA977216A
Authority: CA; Canada
Prior art keywords: steel pipe; spiral steel; forming spiral; forming; pipe
Prior art date: 1971-11-29
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

CA157,633A

Other versions

CA157633S (en

Inventor

Akira Matsufuji

Kenji Numajiri

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.)

Nippon Steel Corp

Original Assignee

Nippon Steel Corp

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.)

1971-11-29

Filing date

1972-11-28

Publication date

1975-11-04

1971-11-29 Priority claimed from JP9651471A external-priority patent/JPS5110590B2/ja

1972-07-18 Priority claimed from JP8530072U external-priority patent/JPS5114041Y2/ja

1972-11-28 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

1975-11-04 Application granted granted Critical

1975-11-04 Publication of CA977216A publication Critical patent/CA977216A/en

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
- B21C37/12—Making tubes or metal hoses with helically arranged seams

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)

CA157,633A 1971-11-29 1972-11-28 Apparatus for forming spiral steel pipe Expired CA977216A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP9651471A JPS5110590B2 (en)	1971-11-29	1971-11-29
JP8530072U JPS5114041Y2 (en)	1972-07-18	1972-07-18

Publications (1)

Publication Number	Publication Date
CA977216A true CA977216A (en)	1975-11-04

Family

ID=26426319

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA157,633A Expired CA977216A (en)	1971-11-29	1972-11-28	Apparatus for forming spiral steel pipe

Country Status (6)

Country	Link
US (1)	US3864952A (en)
CA (1)	CA977216A (en)
DE (1)	DE2258198C3 (en)
FR (1)	FR2162049B1 (en)
GB (1)	GB1388206A (en)
IT (1)	IT971319B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11701699B2 (en) *	2019-09-23	2023-07-18	Horace Thompson	Helicoidal blade manufacturing system and method
CN112718982B (en) *	2020-12-24	2023-05-02	诸暨市金戋机械有限公司	Bending device for heat exchanger machining and bending method of heat exchanger

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2675773A (en) *		1954-04-20		Apparatus for making tapered flexible tubing
US2996025A (en) *	1956-08-16	1961-08-15	Danly Mach Specialties Inc	Readily changeable die assembly for power presses
US2913946A (en) *	1956-08-22	1959-11-24	Philco Corp	Die handling mechanism for facilitating insertion and removal thereof in presses
US2988234A (en) *	1959-03-18	1961-06-13	Western Electric Co	Two-position work-feeding apparatus
US3146331A (en) *	1961-10-18	1964-08-25	Hoesch Ag	Apparatus for producing helical-seam pipe
US3212430A (en) *	1963-08-30	1965-10-19	Minster Machine Co	Sliding bolster press
US3207065A (en) *	1963-12-06	1965-09-21	Danly Mach Specialties Inc	Quick die changing mechanism
DE1243131B (en) *	1964-10-31	1967-06-29	Lothar Kehne	Machine for the production of cylindrical and conical tubes of various diameters from helically wound tape
US3427854A (en) *	1967-03-28	1969-02-18	Bliss Co	Movable bolster for presses
US3650015A (en) *	1969-02-04	1972-03-21	Pacific Roller Die Co Inc	Helical pipe making method

1972
- 1972-11-28 US US310082A patent/US3864952A/en not_active Expired - Lifetime
- 1972-11-28 CA CA157,633A patent/CA977216A/en not_active Expired
- 1972-11-28 DE DE2258198A patent/DE2258198C3/en not_active Expired
- 1972-11-29 IT IT7232220A patent/IT971319B/en active
- 1972-11-29 FR FR7242402A patent/FR2162049B1/fr not_active Expired
- 1972-11-29 GB GB5509872A patent/GB1388206A/en not_active Expired

Also Published As

Publication number	Publication date
DE2258198B2 (en)	1974-08-01
US3864952A (en)	1975-02-11
DE2258198A1 (en)	1973-06-07
FR2162049B1 (en)	1975-11-07
DE2258198C3 (en)	1975-03-13
FR2162049A1 (en)	1973-07-13
GB1388206A (en)	1975-03-26
IT971319B (en)	1974-04-30

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