Patents for B21C 5 - Pointing or push-pointing drawn work or drawing material (166)
01/2002
01/17/2002US20020005055 Plastic processing method of metal rod material
01/15/2002US6338453 Winding device having a winding shaft and additional bearings
01/09/2002EP1170072A1 Method of shaping a metal rod material
12/2001
12/06/2001DE10024647A1 Verfahren zur Vorbereitung eines Rohranfanges für das Ziehen über einen Ziehdorn Process for the preparation of a pipe beginning for pulling a mandrel
11/2001
11/22/2001US20010042394 Process for preparing the end of a Pipe for drawing over a mandrel
11/21/2001EP1155759A2 Method of preparing a tube end for pulling over a mandrel
11/13/2001US6314779 Conductor reducer for co-axial cable
10/2001
10/04/2001EP1138402A2 Device and method for pointing wire ends
10/04/2001DE10016067A1 Vorrichtung und Verfahren zum Anspitzen von Drahtenden Apparatus and method for sharpening of wire ends
05/2001
05/22/2001US6234913 Method of manufacturing of fastening elements
12/2000
12/07/2000DE19924903A1 Herstellverfahren eines Befestigungslementes Process for Manufacturing Befestigungslementes
12/06/2000EP1057553A2 Method for manufacturing a fastening element
12/06/2000CN1275454A Method for making fastener
06/2000
06/15/2000DE19855781A1 Wickelvorrichtung Winder
06/08/2000DE19856479A1 Vorrichtung und Arbeitsverfahren zum Einfädeln von Rohren in eine Ziehmaschine Apparatus and the procedures for threading tubes in a drawing machine
06/07/2000EP1006287A2 Winding device
06/07/2000EP1005927A2 Method and device for the threading of tubes in a drawing machine
12/1999
12/08/1999CN1047255C Method for cutting of wire
11/1999
11/18/1999DE19821540A1 Point rolling machine for preparation of the ends of wire, rod and pipe material
12/1998
12/24/1998DE19725760A1 Spectacle-eye guiding wire during point-formation
11/1998
11/18/1998CN2297261Y Hydraulic heading machine for making metal tubular product
09/1998
09/22/1998US5809823 Method and apparatus for feeding a tubular workpiece into a drawing unit
07/1998
07/23/1998DE19701431A1 Overload protection unit for product end=pointing in rolling machine(s)
06/1998
06/25/1998DE19654133A1 End rolling machine with rolling bearings
04/1998
04/09/1998DE19632012A1 Forming press for pointing of pipes
03/1998
03/11/1998EP0827789A2 Device for the threading of tubes and bars in a drawing apparatus
02/1998
02/26/1998DE19634307A1 Two-function tool for preparing tube ends for draw-bench
08/1996
08/20/1996US5546782 Machine to sharpen bars to a point
10/1995
10/03/1995US5455389 Conductor cutting method and coil parts
08/1995
08/31/1995DE4403897A1 Method for hot pull-in of the ends of hollow workpieces by rolling
08/10/1995DE4403202A1 Press for tubular workpieces
03/1995
03/29/1995EP0645201A1 Machine to sharpen bars to a point
09/1994
09/21/1994CN1092550A Method for cutting of wire and coil units
08/1994
08/18/1994DE4304636A1 Method for drawing metal tubes
08/03/1994EP0608764A1 Conductor cutting method and coil parts
10/1991
10/29/1991US5060500 Apparatus for automatically forming a pointed end of raw pipe to be drawn
03/1991
03/13/1991CN1049807A Cold-wedge cross-rolling pointing process of round rod (tube) material
03/13/1991CN1049806A Hot-wedge cross-rolling pointing process of round rod (tube) material
11/1990
11/22/1990EP0283484B1 Expandible mandrel for tube-drawing machine
11/1989
11/30/1989DE3902844C1 Apparatus for the automatic feeding of bull-block machines with drawing stock in strand form, especially tubes
05/1989
05/18/1989DE3737998A1 Method for introducing into a drawing apparatus the start of a coiled metal strand to be drawn
04/1989
04/13/1989DE3733498A1 Method for introducing into a die the start of a coiled length of metal tube to be drawn
01/1989
01/25/1989EP0300149A2 Device for leading in a profiled bar in a drawing die
10/1988
10/26/1988EP0288086A2 Device for the reverse drawing of bars and relative method
10/26/1988CN87206658U Tip pulling machine
09/1988
09/28/1988EP0283484A1 Expandible mandrel for tube-drawing machine.
03/1988
03/31/1988DE3632522A1 Method and installation for the production of tube blanks
03/24/1988WO1988001915A1 Expandible mandrel for tube-drawing machine
12/1987
12/17/1987DE3634229C1 Device for grasping a tube to be drawn
07/1987
07/23/1987DE3600700A1 Machine for pushing tube-drawing points (pushpointer)
11/1986
11/12/1986CN85104457A Apparatus for processing terminal end of tube
11/05/1986EP0200715A2 Method of pointing billets and apparatus for carrying out this method
07/1986
07/23/1986EP0188086A2 Manufacture of tubular components
04/1986
04/15/1986US4581912 Apparatus for processing terminal ends of tubes
09/1985
09/04/1985EP0153495A2 Method of drawing a seamless metal tube
04/1985
04/16/1985US4511409 Process for improving both fatigue strength and toughness of high-strength Al alloys
05/1983
05/17/1983US4383429 Apparatus for forming a point at the end of a metal tube by means of a drawing operation
01/1983
01/18/1983CA1139647A1 Apparatus for forming a point at the end of a metal tube by means of a drawing operation
09/1982
09/21/1982US4350036 Apparatus for pointing work pieces
03/1982
03/09/1982US4318291 Tube end forming apparatus
11/1981
11/10/1981CA1112089A1 Apparatus for producing paper tube assembly for nursing seedlings
01/1981
01/07/1981EP0021603A1 Tube end forming apparatus
08/1978
08/15/1978US4106352 Wire pointing machine
08/1977
08/09/1977US4040875 Ductile cast iron articles
03/1977
03/29/1977US4014199 Apparatus and method for providing an electrical contact with a tip portion substantially free of burrs
08/1976
08/31/1976US3977227 Method of cold extruding ductile cast iron tube
1 2