(19)
(11) EP 0 188 086 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.04.1987 Bulletin 1987/15

(43) Date of publication A2:
23.07.1986 Bulletin 1986/30

(21) Application number: 85308921

(22) Date of filing: 09.12.1985
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 12.01.1985 GB 8500785

(71) Applicant: STEVENS & BULLIVANT LIMITED
 ()

(72) Inventor:
  • Thompson, Alfred James
     ()

   


(54) Manufacture of tubular components


(57) A method and apparatus for push-pointing a tube so as to produce a smaller diameter end portion includes means for sizing and finishing the reduced diameter portion utilizing a headed mandrel located in the tube and withdrawn through the reduced diameter portion whilst the latter is engaged in the push-pointing die. Figure 5 shows the push-pointing step completed, and the mandrel engaged with the die ready to begin the internal sizing operation.






Search report