GB2069386B - Rotary piercing tools - Google Patents

Rotary piercing tools

Info

Publication number
GB2069386B
GB2069386B GB8005381A GB8005381A GB2069386B GB 2069386 B GB2069386 B GB 2069386B GB 8005381 A GB8005381 A GB 8005381A GB 8005381 A GB8005381 A GB 8005381A GB 2069386 B GB2069386 B GB 2069386B
Authority
GB
United Kingdom
Prior art keywords
piercing tools
rotary piercing
rotary
tools
piercing
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
GB8005381A
Other versions
GB2069386A (en
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.)
British Steel Corp
Original Assignee
British 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.)
Filing date
Publication date
Application filed by British Steel Corp filed Critical British Steel Corp
Priority to GB8005381A priority Critical patent/GB2069386B/en
Publication of GB2069386A publication Critical patent/GB2069386A/en
Application granted granted Critical
Publication of GB2069386B publication Critical patent/GB2069386B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/063—Friction heat forging
    • B21J5/066—Flow drilling
    • 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
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/298—Forming collars by flow-drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
GB8005381A 1980-02-18 1980-02-18 Rotary piercing tools Expired GB2069386B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8005381A GB2069386B (en) 1980-02-18 1980-02-18 Rotary piercing tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8005381A GB2069386B (en) 1980-02-18 1980-02-18 Rotary piercing tools

Publications (2)

Publication Number Publication Date
GB2069386A GB2069386A (en) 1981-08-26
GB2069386B true GB2069386B (en) 1983-08-10

Family

ID=10511451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8005381A Expired GB2069386B (en) 1980-02-18 1980-02-18 Rotary piercing tools

Country Status (1)

Country Link
GB (1) GB2069386B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227536A (en) * 1988-11-22 1990-08-01 Stott Benham Limited Gas distribution tube
US5642640A (en) * 1995-12-13 1997-07-01 Norsk Hydro A. S. Back extrusion process for forming a manifold port
FR2850889B1 (en) * 2003-02-07 2006-03-24 Inter Meca DEVICE USED FOR OGIVING, FLUOTURNING OR FLUOPERATING ROUND AND / OR OVOID METAL PARTS
FR2945751B1 (en) * 2009-05-19 2013-04-26 Profab METHOD OF MAKING AN ASPIRATION FIRE PROTECTION NETWORK ELEMENT AND ASSOCIATED ELEMENT

Also Published As

Publication number Publication date
GB2069386A (en) 1981-08-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee