| Patents for B21D 17 - Forming single grooves in sheet metal or tubular or hollow articles (1,507) |
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| 05/18/1993 | US5211046 Method for forming multistage hollow pipe |
| 04/27/1993 | CA1316908C High performance heat transfer tube for heat exchanger |
| 03/02/1993 | US5190267 Hand railing and method of manufacture |
| 02/16/1993 | US5186033 Apparatus and method for forming external raised beads on hollow tubing |
| 02/03/1993 | EP0323456B1 Process and apparatus for the cold shaping of pipes or fittings, and articles thus obtained |
| 01/07/1993 | EP0521640A1 Method of making an electromagnetic coupling disc |
| 12/15/1992 | CA1311405C Rolling mill machine for longitudinal bending of plate |
| 12/09/1992 | CN1019373B Tub with continous reinforced ribs and apparatus for forming continous reinforced ribs |
| 11/17/1992 | US5163226 Method for forming a banjo-type axle housing |
| 11/03/1992 | US5160108 Process and tool for producing a barrel for a telescopic universal transmission joint |
| 10/14/1992 | EP0508541A2 Method of production of an annular or arc-shaped metal part |
| 09/09/1992 | CN1018174B Step of passenger conveyor, method of manufacturing same and wavy metal plate |
| 09/02/1992 | CN1064039A Method and apparatus for production of portable conic container |
| 07/01/1992 | EP0339064B1 Rolling mill machine |
| 07/01/1992 | EP0339063B1 Rolling mill machine |
| 06/30/1992 | US5125255 Method of making an electromagnetic coupling disc |
| 06/21/1992 | CA2058063A1 Foam molding having various density regions, the production thereof, and a mold therefor |
| 05/27/1992 | EP0486831A1 Cutting tool for metal tubes with internal optical fibres |
| 05/23/1992 | CA2055968A1 Parting-off tool for metal tubes, particularly for stainless steel tubes with internal optical waveguides |
| 05/13/1992 | EP0484934A2 Device for forming beads at the end of tubular work pieces made of sheet |
| 05/05/1992 | CA1300195C Thin-walled connecting pipe for pipeline and coupling structure for same |
| 03/17/1992 | US5096036 Electromagnetic coupling discs and method of making the same |
| 01/15/1992 | EP0465946A1 Hard metal or ceramic bar, method and extrusion-die for its production |
| 01/14/1992 | US5079940 Roll grooving apparatus |
| 01/07/1992 | CA1293845C Method and device for grooving the face of a cylindrical object |
| 01/02/1992 | EP0463274A1 Roll grooving apparatus |
| 01/02/1992 | EP0385975A4 Air cargo container and method for forming side panels thereof |
| 10/31/1991 | WO1991016156A1 Tapered conduit |
| 09/03/1991 | CA1288221C Rotary crimping tool |
| 08/14/1991 | EP0441174A2 Method and form tool for heading a nipple |
| 06/25/1991 | US5025650 Apparatus for forming plates of irregular cross-sectional shape |
| 06/05/1991 | CN1051893A Tub with continous reinforced ribs and apparatus for forming continous reinforced ribs |
| 05/29/1991 | EP0429327A1 Manufacturing method and apparatus to produce a shell and telescopic articulated universal joint including that shell |
| 05/28/1991 | US5018899 Yoke for universal joint and manufacturing method therefor |
| 05/08/1991 | EP0425924A1 Profile rolling machine for the production of circumferentially profiled, hollow cylindrical or cup-shaped platework-pieces |
| 04/10/1991 | CN2074689U Liquid pressure increasing shaping device for concave and convex heat exchanging plate |
| 04/09/1991 | CA1282646C Apparatus for crimping pipe |
| 03/27/1991 | EP0418963A1 Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device |
| 03/05/1991 | US4997320 Tool for forming a circumferential projection in a pipe |
| 02/26/1991 | US4995252 Method and apparatus for internally enhancing heat exchanger tubing |
| 01/29/1991 | CA1279523C Method and apparatus for embossing the inside surface of a cup-shaped article |
| 01/15/1991 | US4984673 Step of passenger conveyor method of manufacturing same, and wavy metal plate |
| 09/12/1990 | EP0385975A1 Air cargo container and method for forming side panels thereof. |
| 09/04/1990 | US4953376 Metal spinning process and apparatus and product made thereby |
| 08/29/1990 | CN1009386B Thin-wall pipe union and bind structure with pipeline |
| 07/03/1990 | US4938282 High performance heat transfer tube for heat exchanger |
| 06/26/1990 | US4936133 Method for manufacturing an element having grooved trunnions and forming method for grooving the trunnions |
| 05/09/1990 | CN1041893A Device for longitudinal rolling of profiles |
| 04/26/1990 | DE3840241A1 Apparatus for the production of heatable containers and a heatable container |
| 04/05/1990 | WO1990003233A1 Reduction of oil-canning defects in roll-forming |
| 02/27/1990 | US4903516 Rolling mill machine for longitudinal bending of plate |
| 02/27/1990 | US4903515 Heating container manufacturing apparatus |
| 02/13/1990 | US4899568 Rolling mill machine for longitudinal bending of plate |
| 11/29/1989 | CN1037490A Step of passenger conveyor, method of manufacturing same and wavy metal plate |
| 11/02/1989 | WO1989010491A1 Plain bearing |
| 11/02/1989 | EP0339064A1 Rolling mill machine. |
| 11/02/1989 | EP0339063A1 Rolling mill machine. |
| 10/26/1989 | DE3812855A1 Gleitlager Plain bearings |
| 10/03/1989 | US4870846 Method and apparatus for embossing the inside surface of a cup-shaped article |
| 09/19/1989 | US4866966 Method and apparatus for producing bypass grooves |
| 08/01/1989 | CA1257989A1 Strain imparting device |
| 07/12/1989 | EP0323456A1 Process and apparatus for the cold shaping of pipes or fittings, and articles thus obtained. |
| 06/13/1989 | US4838066 Process and a device for the production of grooves on a wall of revolution |
| 06/06/1989 | US4835825 Machine for manufacturing a roof vent having a lead base |
| 05/16/1989 | CA1254248A1 Pipe coupling |
| 05/05/1989 | WO1989003733A1 Air cargo container and method for forming side panels thereof |
| 04/20/1989 | WO1989003261A1 Rolling mill machine |
| 04/20/1989 | WO1989003260A1 Rolling mill machine |
| 04/12/1989 | EP0193589B1 Apparatus and method for producing a hose fitting shell |
| 12/06/1988 | US4789263 Process for the production of a ball-point pen tip supplied with liquid ink, and tip produced thereby |
| 11/22/1988 | US4785648 Method and apparatus for embossing the inside surface of a cup-shaped article |
| 11/01/1988 | US4781047 Controlled spin flow forming |
| 09/28/1988 | EP0284321A2 Method and apparatus for embossing the sidewall of a cup shaped article |
| 08/30/1988 | US4766751 Apparatus for continuously producing tube having helical grooves in its inner surface |
| 08/23/1988 | US4765167 Method of roll forming piston |
| 07/19/1988 | US4758149 Capsule forming pin having a burnish-hardened surface |
| 07/19/1988 | US4757703 Die apparatus for handling tubing having a radially projecting annular flange |
| 07/05/1988 | US4754995 Thin-walled connecting pipe for pipeline and coupling structure for same |
| 07/05/1988 | US4754634 Device for forming bead to pipe |
| 07/04/1988 | EP0243349A4 Container processing apparatus. |
| 06/15/1988 | CN85107311B Heat-transfer tube |
| 05/31/1988 | CA1237340A1 Controlled spin flow forming |
| 05/10/1988 | US4742706 Strain imparting device |
| 05/10/1988 | CA1236343A1 Method of rolling a simulated hole in sheet metal without drilling or punching |
| 04/27/1988 | EP0264806A2 Apparatus for crimping pipe |
| 04/05/1988 | US4735077 Method of and device for impressing channels having a small cross-sectional area into the surface of an object |
| 04/05/1988 | US4735071 Apparatus for continuously producing tube having helical grooves in its inner surface |
| 03/31/1988 | DE3632123A1 Bending press |
| 03/22/1988 | US4732082 Apparatus and method for mounting embossing rollers in a press line |
| 01/21/1988 | DE3623214A1 Production of flanges in and on pipes or tubes |
| 01/14/1988 | WO1988000099A1 Process and apparatus for the cold shaping of pipes or fittings, and articles thus obtained |
| 12/29/1987 | US4715436 Construction of a heat transfer wall of a heat transfer pipe |
| 12/16/1987 | CN87103839A Thin-wall pipe union and bind structure with pipeline |
| 12/08/1987 | US4711110 Apparatus for crimping pipe |
| 12/02/1987 | EP0247781A1 Coupling of thin-walled pipes |
| 11/11/1987 | EP0245050A2 Apparatus and method for controlled spin flow forming of containers and containers per se |
| 11/04/1987 | EP0243349A1 Container processing apparatus. |
| 10/01/1987 | DE3610022A1 Process and apparatus for producing beads in metal sheets |
| 09/08/1987 | US4691550 Method and apparatus for making a pressure hose socket |
| 09/01/1987 | US4690436 Pipe coupling |