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GB469004A - Improvements in or relating to the manufacture of tubular bends, coils and the like - Google Patents

Improvements in or relating to the manufacture of tubular bends, coils and the like

Info

Publication number
GB469004A
GB469004A GB720/37A GB72037A GB469004A GB 469004 A GB469004 A GB 469004A GB 720/37 A GB720/37 A GB 720/37A GB 72037 A GB72037 A GB 72037A GB 469004 A GB469004 A GB 469004A
Authority
GB
United Kingdom
Prior art keywords
coils
relating
manufacture
jan
bends
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
GB720/37A
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.)
Vodafone GmbH
Original Assignee
Mannesmannroehren Werke AG
Mannesmann AG
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 Mannesmannroehren Werke AG, Mannesmann AG filed Critical Mannesmannroehren Werke AG
Publication of GB469004A publication Critical patent/GB469004A/en
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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/283—Making U-pieces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

469,004. Angular bending; coiling helices. MANNESMANNROHRENWERKE. Jan. 9, 1937, No. 720. Convention date, Jan. 17, 1936. [Class 83 (iv)] Tubes for bends, coils, &c. are bent to the required curvature and the flattened tube is then re-shaped in cross-section by pressing in dies to an oval shape with the major axis e in the plane of the bend. The difference in lengths of the major and minor axes may be from 5 to 25 per cent of the length of the minor axis d.
GB720/37A 1936-01-17 1937-01-09 Improvements in or relating to the manufacture of tubular bends, coils and the like Expired GB469004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE469004X 1913-09-22

Publications (1)

Publication Number Publication Date
GB469004A true GB469004A (en) 1937-07-16

Family

ID=6540955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB720/37A Expired GB469004A (en) 1936-01-17 1937-01-09 Improvements in or relating to the manufacture of tubular bends, coils and the like

Country Status (2)

Country Link
FR (1) FR469004A (en)
GB (1) GB469004A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452050A (en) * 1946-06-28 1948-10-26 Mccord Corp Combined machine for feeding, bending, and flattening tubing
US2675049A (en) * 1946-08-31 1954-04-13 Dresser Ind Process for the manufacture of tubular l's
US2804906A (en) * 1954-03-24 1957-09-03 Western Electric Co Apparatus for flattening and for constraining the expansion of preflattened coiled tubing
US3128537A (en) * 1958-06-26 1964-04-14 Vigren Sten Daniel Manufacture of electromagnetic devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452050A (en) * 1946-06-28 1948-10-26 Mccord Corp Combined machine for feeding, bending, and flattening tubing
US2675049A (en) * 1946-08-31 1954-04-13 Dresser Ind Process for the manufacture of tubular l's
US2804906A (en) * 1954-03-24 1957-09-03 Western Electric Co Apparatus for flattening and for constraining the expansion of preflattened coiled tubing
US3128537A (en) * 1958-06-26 1964-04-14 Vigren Sten Daniel Manufacture of electromagnetic devices

Also Published As

Publication number Publication date
FR469004A (en) 1914-07-22

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