Method of producing a nozzle member for sucking or transporting

Details Method of producing a nozzle member for sucking or transporting Method of producing a nozzle member for sucking or transporting

1990-06-08

1991-03-19

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29890142, 29DIG11, 72275, B21C 116

Patent

active

049999010

ABSTRACT:
The invention provides a process of producing a nozzle member for sucking and transporting a string of yarn having an inner diameter which varies along an axial direction of the nozzle member. The process comprises the step of drawing a pipe stock having a predetermined outside profile so as to transfer the outside profile in an axial symmetrical relationship to an inside profile of the pipe stock. By the process, a nozzle member can be produced readily with a high degree of accuracy.

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patent: 4606212 (1986-08-01), Sunaga et al.
patent: 4658866 (1987-04-01), Takegawa
patent: 4873752 (1989-10-01), Suck

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