Patents for B21G 1 - Making needles used for performing operations (637)
01/1987
01/07/1987EP0207545A1 Method for makin microsurgical suture needles and microsurgical suture needles obtained by this method
07/1986
07/08/1986US4598753 Method for pressing finless sewing machine needles
06/1986
06/25/1986EP0185523A2 Photoetching process for making surgical needles
05/1986
05/07/1986EP0180125A2 A suture needle and its manufacturing processes
05/06/1986US4587202 Photoresist-coated metal sheet
10/1985
10/22/1985US4548251 Method of producing sewing machine needles
10/22/1985US4548056 Stamped knitting tool for knitting machines
09/1985
09/17/1985US4541470 Method of producing sewing machine needles
06/1985
06/25/1985US4524815 Method of producing sewing machine needles
03/1985
03/26/1985CA1184396A1 Stamped needle for knitting or hosiery machines
02/1985
02/26/1985US4501312 Method for forming a hole of eyeless suture needle
01/1985
01/01/1985US4491167 Device for the transport of bar-shaped workpieces, particularly sewing machine needle blanks
08/1984
08/21/1984CA1172954A1 Method for the production of a hollow needle for label fasteners or the like
08/14/1984CA1172555A1 Punched needle for knitting machines
06/1984
06/26/1984US4455858 Method of manufacturing a hollow needle for tag fasteners
02/1984
02/07/1984US4430358 Method of manufacturing a cut tube to be used for syringe needles
11/1983
11/29/1983US4417454 Needle for knitting machines and method for making same
11/15/1983CA1156807A1 Apparatus for forming railroad spikes and the like
08/1983
08/10/1983EP0085141A1 Conveying device for elongated articles such as needle blanks for sewing machines
03/1983
03/09/1983EP0073380A1 Stamped knitting tool for knitting machines
03/03/1983WO1983000706A1 Stamped knitting tool for knitting machine or rectilinear loom
09/1982
09/29/1982EP0061184A2 Method of making sewing-machine needles
12/1981
12/23/1981EP0042036A1 Method and apparatus for making tubular pieces with a closed, shaped end portion
12/16/1981EP0041710A2 Method of manufacturing a hollow needle for label attachment
02/1981
02/17/1981US4251310 Method for rebonding tubing elements used in needle assemblies
10/1979
10/02/1979CA1063439A1 Textile element and method of making same
08/1979
08/21/1979CA1060668A1 Method of forming a knitting needle latch pivot
07/1979
07/17/1979CA1058452A1 Needle apparatus and method for making needle apparatus
05/1979
05/29/1979US4156305 Uniform felting needle barb and method of making same
05/01/1979US4151783 Apparatus for shaping a lug on a stamped workpiece
12/1978
12/05/1978US4128067 Sewing machine needles
07/1978
07/11/1978US4099391 Latch knitting needle and method of making same
01/1978
01/03/1978US4065955 Method and apparatus for forming a uniform felting needle barb
08/1977
08/30/1977US4044814 Method of finless cold forming of sewing machine needle
07/1977
07/26/1977US4037641 Method of fabricating sewing machine needles
12/1976
12/21/1976US3998259 Deburring and die-shaping of punched holes in precision mass produced parts
10/1976
10/26/1976US3987839 Needle apparatus and method for making needle apparatus
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