FI820204L - Anordning foer att goera ett ovalt haol i en roervaegg - Google Patents

Anordning foer att goera ett ovalt haol i en roervaegg

Info

Publication number
FI820204L
FI820204L FI820204A FI820204A FI820204L FI 820204 L FI820204 L FI 820204L FI 820204 A FI820204 A FI 820204A FI 820204 A FI820204 A FI 820204A FI 820204 L FI820204 L FI 820204L
Authority
FI
Finland
Prior art keywords
roervaegg
ovalt
haol
ett
anordning foer
Prior art date
Application number
FI820204A
Other languages
English (en)
Inventor
Leo Larikka
Original Assignee
Serlachius Oy
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
Priority claimed from FI810749A external-priority patent/FI810749L/fi
Application filed by Serlachius Oy filed Critical Serlachius Oy
Priority to FI820204A priority Critical patent/FI820204L/fi
Priority to DE19823208211 priority patent/DE3208211A1/de
Publication of FI820204L publication Critical patent/FI820204L/fi

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
    • B21C37/29—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)
FI820204A 1981-03-10 1982-01-22 Anordning foer att goera ett ovalt haol i en roervaegg FI820204L (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI820204A FI820204L (fi) 1981-03-10 1982-01-22 Anordning foer att goera ett ovalt haol i en roervaegg
DE19823208211 DE3208211A1 (de) 1981-03-10 1982-03-06 Vorrichtung zur herstellung einer elliptischen lochung in der wandung eines rohres

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI810749A FI810749L (fi) 1981-03-10 1981-03-10 Anordning foer att goera ett haol och en detta omgivande flaens i sidan pao ett roer
FI820204A FI820204L (fi) 1981-03-10 1982-01-22 Anordning foer att goera ett ovalt haol i en roervaegg

Publications (1)

Publication Number Publication Date
FI820204L true FI820204L (fi) 1982-09-11

Family

ID=26157202

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820204A FI820204L (fi) 1981-03-10 1982-01-22 Anordning foer att goera ett ovalt haol i en roervaegg

Country Status (2)

Country Link
DE (1) DE3208211A1 (fi)
FI (1) FI820204L (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876161A (en) * 1994-06-07 1999-03-02 T-Drill Oy Method and apparatus for making a longitudinal hole in a pipe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117327B (fi) * 2004-03-26 2006-09-15 T Drill Oy Laite soikean reiän työstämiseksi putken seinämään

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876161A (en) * 1994-06-07 1999-03-02 T-Drill Oy Method and apparatus for making a longitudinal hole in a pipe

Also Published As

Publication number Publication date
DE3208211A1 (de) 1982-09-30

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: G.A. SERLACHIUS OY