GB274135A - An improved method for making edge-wound coils - Google Patents

An improved method for making edge-wound coils

Info

Publication number
GB274135A
GB274135A GB18541/27A GB1854127A GB274135A GB 274135 A GB274135 A GB 274135A GB 18541/27 A GB18541/27 A GB 18541/27A GB 1854127 A GB1854127 A GB 1854127A GB 274135 A GB274135 A GB 274135A
Authority
GB
United Kingdom
Prior art keywords
mandrel
die
convolutions
improved method
coiling
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
GB18541/27A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB274135A publication Critical patent/GB274135A/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
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

274,135. Whittingham, G. H. Dec. 11, 1925, [Convention date]. Drawings to Specification. Coiling.-Flat metal ribbon is coiled on edge into a helix by extending one end thereof through a coiling-die and securing it to a rotating mandrel. The die is traversed along the mandrel until the latter is substantially filled with spaced convolutions. The rotation of the mandrel is stopped and the die is retracted to compress the convolutions. Further spaced convolutions are then formed and the steps of the operation are repeated until the mandrel is substantially filled with compressed convolutions. The die is then removed and the coil is allowed to expand and discharge from the bar. The grip of the helix on the mandrel is relaxed before compressing by rotating the mandrel slightly in the reverse direction. The apparatus employed is described in Specification 262,775.
GB18541/27A 1925-12-11 1926-12-07 An improved method for making edge-wound coils Expired GB274135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US274135XA 1925-12-11 1925-12-11

Publications (1)

Publication Number Publication Date
GB274135A true GB274135A (en) 1927-09-08

Family

ID=21837606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18541/27A Expired GB274135A (en) 1925-12-11 1926-12-07 An improved method for making edge-wound coils

Country Status (1)

Country Link
GB (1) GB274135A (en)

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