Metal tubular body and manufacturing method thereof

Details Metal tubular body and manufacturing method thereof Metal tubular body and manufacturing method thereof

2005-04-12

2005-04-12

Stoner, Kiley S. (Department: 1725)

Metal fusion bonding

Process

With shaping

C228S173600, C029S890030, C072S330000, C072S370270

Reexamination Certificate

active

06877652

ABSTRACT:
Side hole-bearing tubular bodies made of metal and having an inside diameter of up to 2 mm are manufactured by a method which includes punching from a metal sheet a sheet blank in the developed shape of a tubular body and punching in the sheet blank a hole which corresponds to the side hole in the tubular body and/or notches which form the side hole when the sheet blank is pressed into, a tubular shape, in such a way that the metal sheet and the sheet blank remain partly joined; pressing the sheet blank into a tubular shape; and cutting apart the metal sheet and the sheet blank where they remain joined. Metal tubular bodies manufactured in this way can have one or more side holes of any shape, position or number thereon, and are highly suitable for use in medical devices such as syringe needles.

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