FI820204A7 - A device for making an oval hole in a pipe wall. - Google Patents

A device for making an oval hole in a pipe wall. Download PDF

Info

Publication number
FI820204A7
FI820204A7 FI820204A FI820204A FI820204A7 FI 820204 A7 FI820204 A7 FI 820204A7 FI 820204 A FI820204 A FI 820204A FI 820204 A FI820204 A FI 820204A FI 820204 A7 FI820204 A7 FI 820204A7
Authority
FI
Finland
Prior art keywords
making
pipe wall
oval hole
oval
hole
Prior art date
Application number
FI820204A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI820204L (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/en
Application filed by Serlachius Oy filed Critical Serlachius Oy
Priority to FI820204A priority Critical patent/FI820204A7/en
Priority to DE19823208211 priority patent/DE3208211A1/en
Publication of FI820204L publication Critical patent/FI820204L/en
Publication of FI820204A7 publication Critical patent/FI820204A7/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 A device for making an oval hole in a pipe wall. FI820204A7 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI820204A FI820204A7 (en) 1981-03-10 1982-01-22 A device for making an oval hole in a pipe wall.
DE19823208211 DE3208211A1 (en) 1981-03-10 1982-03-06 Device for the production of an elliptical hole in the wall of a tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI810749A FI810749L (en) 1981-03-10 1981-03-10 ANORDNING FOER ATT GOERA ETT HAOL OCH EN DETTA OMGIVANDE FLAENS I SIDAN PAO ETT ROER
FI820204A FI820204A7 (en) 1981-03-10 1982-01-22 A device for making an oval hole in a pipe wall.

Publications (2)

Publication Number Publication Date
FI820204L FI820204L (en) 1982-09-11
FI820204A7 true FI820204A7 (en) 1982-09-11

Family

ID=26157202

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820204A FI820204A7 (en) 1981-03-10 1982-01-22 A device for making an oval hole in a pipe wall.

Country Status (2)

Country Link
DE (1) DE3208211A1 (en)
FI (1) FI820204A7 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI101612B1 (en) * 1994-06-07 1998-07-31 T Drill Oy Method and apparatus for making a longitudinal hole in a pipe
FI117327B (en) * 2004-03-26 2006-09-15 T Drill Oy Device for forming an oval hole in a pipe wall

Also Published As

Publication number Publication date
FI820204L (en) 1982-09-11
DE3208211A1 (en) 1982-09-30

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: G.A. SERLACHIUS OY