GB190921222A - Improvements in the Manufacture of Iron Poles for Telegraphs, Telephones and the like. - Google Patents

Improvements in the Manufacture of Iron Poles for Telegraphs, Telephones and the like.

Info

Publication number
GB190921222A
GB190921222A GB190921222DA GB190921222A GB 190921222 A GB190921222 A GB 190921222A GB 190921222D A GB190921222D A GB 190921222DA GB 190921222 A GB190921222 A GB 190921222A
Authority
GB
United Kingdom
Prior art keywords
telegraphs
telephones
manufacture
iron poles
posts
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
Inventor
John Henry Skinner
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
Application granted granted Critical
Publication of GB190921222A publication Critical patent/GB190921222A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

21,222. Skinner, J. H. Sept. 16. Posts for telegraphic, telephonic, and like purposes are made in cast iron or cast steel of cross, star, or similar cross-section, two forms being shown in Figs. 6 and 7. The posts are built up in sections which may be tapered, each section being formed with end flanges c, Fig. 4, for coupling several lengths into a post by means of bolts, rivets, clamps, &c.
GB190921222D 1909-09-16 1909-09-16 Improvements in the Manufacture of Iron Poles for Telegraphs, Telephones and the like. Expired GB190921222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190921222T 1909-09-16

Publications (1)

Publication Number Publication Date
GB190921222A true GB190921222A (en) 1910-02-17

Family

ID=32557453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190921222D Expired GB190921222A (en) 1909-09-16 1909-09-16 Improvements in the Manufacture of Iron Poles for Telegraphs, Telephones and the like.

Country Status (1)

Country Link
GB (1) GB190921222A (en)

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