Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 19 - Flanging or other edge treatment, e.g. of tubes
Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484)
01/1987
01/27/1987US4638538 Method of manufacturing wound bush bearing with notch-free flange and mold assembly for manufacturing the same
12/1986
12/10/1986EP0120868B1 Roll edging machine
12/09/1986US4627258 Apparatus for impressing a strip along its edge
08/1986
08/19/1986US4606207 Forming necks on hollow bodies
08/19/1986US4606206 Method and apparatus for edge preparation of spinning blanks
08/13/1986EP0190958A2 Method and apparatus for edge preparation of spinning blanks
07/1986
07/22/1986CA1208145A1 Pull tab for easy open can end and method of manufacture thereof
07/08/1986US4598568 Bending device for offset printing plates
07/01/1986US4597280 Headpiece assembly
05/1986
05/27/1986US4590785 Method and apparatus for flaring a tube
04/1986
04/22/1986US4583675 Method of production of a part formed with an opening
02/1986
02/18/1986US4570474 Apparatus for bending metal plate in widthwise direction
01/1986
01/21/1986US4565084 Method and a tool for bending the edge of thick sheet metal
01/15/1986EP0167874A2 Device for manufacturing strip, in particular metal strip with deformed strip edges
01/14/1986US4563887 Controlled spin flow forming
01/03/1986WO1986000102A1 Seal-holding profile and process to manufacture it
11/1985
11/19/1985CA1196843A1 Method and apparatus for forming a pipe fitting
11/05/1985CA1196231A1 Adjustment of edge bending of strip for helical seam pipes
09/1985
09/11/1985EP0154617A2 Seaming head
09/04/1985EP0153812A2 Method and apparatus for flaring a tube
08/1985
08/20/1985US4535616 Flaring tool
08/06/1985US4532792 Apparatus for adjusting to tool length of panel forming machine
08/06/1985CA1191436A1 Swaging apparatus for radially expanding tubes to form joints
07/1985
07/30/1985CA1191053A1 Method of and apparatus for shaping neck and providing terminal curl on can end
07/02/1985US4526527 Round top rimming machine
07/02/1985US4526023 Tube flaring tool die assembly
06/1985
06/12/1985EP0144280A2 Tube flaring tool die assembly
06/04/1985US4520646 Sheet-metal bending brake
06/04/1985US4520547 Flanging of plastic lined conduit
05/1985
05/29/1985EP0142728A2 Bending device for offset printing plates
05/21/1985CA1187340A1 Method of forming domed end for container
05/08/1985EP0140469A1 Apparatus and method for forming a neck in a container body
04/1985
04/30/1985US4513489 Process for manufacturing a hose mouthpiece
04/17/1985EP0137486A2 Apparatus for bending metal plate in widthwise direction
03/1985
03/13/1985EP0133952A1 Manually operated tool for flaring tubes
02/1985
02/20/1985EP0056376B1 Method and apparatus of edge preforming of metal plate prior to forming into pipe
12/1984
12/27/1984EP0129064A1 Round top rimming machine
12/11/1984US4487051 Press apparatus
12/11/1984CA1179244A2 Apparatus for flanging tube ends
12/04/1984US4485660 Press sublifter with a movable gauge
11/1984
11/27/1984US4484467 Beaded edge forming method and apparatus
10/1984
10/16/1984US4476703 Edge preforming of metal plate
10/10/1984EP0120868A1 Roll edging machine.
09/1984
09/11/1984US4470288 Manufacturing method and apparatus for shell of universal-joint
09/11/1984US4470281 Method of forming end face wall having concentric recess in tubular workpiece
08/1984
08/14/1984US4465204 Pull tab for easy open end
07/1984
07/19/1984WO1984002667A1 Forming necks on hollow bodies
07/17/1984US4460300 Fastener with head cap having a concealed edge
07/17/1984US4459917 Method and apparatus for producing even tube extensions in a partially assembled heat exchanger
07/11/1984EP0113248A2 Forming necks on hollow bodies
06/1984
06/26/1984CA1169638A1 Squeezer flanger
05/1984
05/23/1984EP0109031A2 Method of and tool for bending the marginal sections of sheet metal
05/09/1984EP0044336B1 A flange forming drill means
05/01/1984CA1166561A1 Methods of and/or apparatus for flanging tube ends
04/1984
04/18/1984EP0044858B1 A flange forming drill means
04/17/1984US4442693 Method of and apparatus for shaping neck and providing terminal curl on can end
04/11/1984EP0105091A2 A tool length changing device in a panel forming machine
03/1984
03/21/1984EP0103318A1 Device for forming beads and water folds on eaves gutter corners
03/06/1984US4434639 Arrangement for producing drawn formations on workpieces, particularly in a cutting and pressing machine
12/1983
12/21/1983EP0096042A1 Edge folding tool
11/1983
11/29/1983CA1157690A1 Edge preforming of metal plate
11/24/1983WO1983003987A1 Roll edging machine
11/15/1983US4414835 Flange forming drill apparatus
11/08/1983US4413497 Method of forming domed end for container
11/08/1983US4413485 Flange forming drill means
09/1983
09/28/1983EP0089904A1 Flat bending device
09/13/1983CA1153678A1 Expander tool
09/06/1983US4402202 Method and apparatus for roll flanging container bodies
08/1983
08/30/1983US4400966 Tool for forming a lateral opening in a tube
08/30/1983US4400965 Forming integral flanges in a sheet apparatus therefore
08/16/1983US4399196 Metal plate
08/09/1983CA1151516A1 Sheet metal brake
07/1983
07/12/1983US4392372 Method and apparatus for flanging tube ends
06/1983
06/23/1983WO1983002077A1 Edge folding tool
06/08/1983EP0080791A2 Method of and apparatus for shaping neck and providing terminal curl on can end
06/01/1983EP0080438A2 Flanging machine for metal sheet workpieces having hollow cylindrical symmetry
05/1983
05/03/1983CA1145595A1 Method of shaping metal
04/1983
04/19/1983US4380165 Squeezer flanger
03/1983
03/30/1983EP0075069A2 Method of forming domed end for container
03/23/1983EP0074614A2 Manufacturing method and apparatus for shell of universal-joint
02/1983
02/23/1983EP0072402A2 Method of and device for the elimination or reduction of the edge mismatch in joining pipes together end-to-end by welding
02/15/1983US4373369 Method of forming integral flanges in a sheet
02/08/1983US4372720 Forming of end closures
01/1983
01/18/1983CA1139742A1 Method of forming integral flanges in a sheet, the product thereof and the apparatus
01/05/1983EP0068821A1 Method and apparatus for roll flanging container bodies
12/1982
12/15/1982EP0066732A2 Apparatus for expanding and flanging tubes
12/08/1982EP0066541A1 Method for the production of a ball tip for a liquid ink writing instrument, and tip produced by this method
11/1982
11/09/1982US4357818 Method of shaping metal
11/02/1982US4356716 Bending machine
11/02/1982CA1134589A1 Beveled lobe anti-skid grating and method of manufacturing same
10/1982
10/12/1982US4353235 Edge preforming of metal plate
08/1982
08/31/1982US4346579 Hemming apparatus
08/24/1982US4345453 Hydraulic press
05/1982
05/25/1982USRE30940 Flaring tool
02/1982
02/03/1982EP0044858A1 A flange forming drill means.
01/1982
01/07/1982WO1982000013A1 Method of obtaining butt-end wall with concentric recess in a tubular workpiece
12/1981
12/24/1981WO1981003631A1 Edge preforming of metal plate
12/09/1981EP0041302A1 Method and device for manufacturing a sleeve body having at least at one open end an outwardly directed circumferential flange and a circular constriction adjoining the same
09/1981
09/29/1981US4291563 Method of making L-seal for gas turbine regenerator
09/15/1981US4289008 Apparatus for forming a universal chase top
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