EP 0042036 A1 19811223 - Method and apparatus for making tubular pieces with a closed, shaped end portion.
Title (en)
Method and apparatus for making tubular pieces with a closed, shaped end portion.
Title (de)
Verfahren und Vorrichtung zur Fertigung von Rohrstücken mit verschlossenem, angeformten Endbereich.
Title (fr)
Procédé et appareil pour la fabrication de pièces tubulaires présentant une extrémité fermée et façonnée.
Publication
Application
Priority
DE 3022193 A 19800613
Abstract (en)
The production method and the apparatus for this are concerned with the formation of conical tips (8) on tubular pieces (1), hollow needles, cannulas and the like. The tips (8) are formed with or without machining from a shape (7) which has been formed in advance with the aid of an additional material of the same type under the action of heat or without additional material from a length of tube material to be fused in. <IMAGE>
IPC 1-7
IPC 8 full level
B21G 1/08 (2006.01)
CPC (source: EP)
B21G 1/08 (2013.01)
Citation (search report)
- DE 2552513 A1 19760701 - IBM
- US 2679570 A 19540525 - CISNE LUTHER E
- CH 450334 A 19680131 - BRAUN FA B [DE]
- US 1591021 A 19260706 - DAVIS CHARLES T
- DE 2905398 A1 19800814 - KAPPENSTEIN JOSEF W ING GRAD
- DE 2203309 A1 19730809 - KAPPENSTEIN JOSEF
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
DOCDB simple family (application)
EP 81102052 A 19810319; DE 3022193 A 19800613