Tool device for expanding the end of a tube

Tool device for expanding the end of a tube

A tool device for expanding the end of a tube (T) includes an expansion sleeve element made of elastomeric material, the expansion sleeve element being arranged concentrically around a pull rod. A calibration sleeve is arranged concentrically around the expansion sleeve element. The inner die surfac...

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Hauptverfasser: Uosukainen, Mika, Laakso, Jyri, Savolainen, Mika, Rotso, Vesa
Format: Patent
Sprache:eng
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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creator Uosukainen, Mika
Laakso, Jyri
Savolainen, Mika
Rotso, Vesa
description A tool device for expanding the end of a tube (T) includes an expansion sleeve element made of elastomeric material, the expansion sleeve element being arranged concentrically around a pull rod. A calibration sleeve is arranged concentrically around the expansion sleeve element. The inner die surface of the calibration sleeve comprises a mouth portion which has a fourth diameter (d4) which corresponds with a play to the outer diameter of the tube (T), at least one expansion die portion having a fifth diameter (d5, d6) which is larger than the fourth diameter (d4), and a shoulder between the mouth portion and the expansion die portion. The shoulder keeps the end of the tube (T), while being expanded, stationary in place inside the calibration sleeve. The calibration sleeve comprises mutually openable and closable calibration sleeve parts to enable closing of the calibration sleeve to a closed position (III) for the expanding operation of the end of the tube, and for opening of the calibration sleeve to an opened position (IV) for releasing the expanded end of the tube.
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subjects MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
title Tool device for expanding the end of a tube
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