| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 03/02/1988 | CN87104691A Forming apparatus for forming pipe end for pipe fitting |
| 02/23/1988 | US4727233 Method for sealing tubes |
| 02/23/1988 | US4726214 Shrink forming apparatus |
| 02/02/1988 | US4722216 Radial forging method |
| 01/28/1988 | WO1988000503A1 Improvements in and relating to tube expanders |
| 01/26/1988 | US4720902 One step tension expander and method of using |
| 01/13/1988 | EP0252868A2 Tube expanding tool |
| 01/12/1988 | CA1231225A1 Method for working holes |
| 12/23/1987 | EP0250272A2 Method of providing a face seal |
| 12/08/1987 | US4711110 Apparatus for crimping pipe |
| 10/20/1987 | CA1228283A1 Tube flaring tool die assembly |
| 10/07/1987 | EP0240022A2 Apparatus for enlarging tube ends |
| 09/15/1987 | US4693105 Method of and apparatus for straightening, swaging, and threading a pipe |
| 07/14/1987 | CA1224126A1 Method and apparatus for flaring a tube |
| 06/24/1987 | EP0118451B1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 06/16/1987 | EP0225573A2 End sealing apparatus for hollow members |
| 05/26/1987 | US4667500 Flaring device for pipe ends |
| 05/05/1987 | US4662143 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 04/22/1987 | EP0219268A2 Pipe expander head |
| 03/25/1987 | CN86105528A Reducing diameter and chamfering device for the backward drawing part of tubes |
| 03/18/1987 | EP0214670A2 Method of fastening baffles inside a tube and a closing system provided by such method |
| 01/02/1987 | DE3621144A1 Method for expansion of a tubular element |
| 12/30/1986 | US4632216 Muffler apparatus and method for making same |
| 12/09/1986 | US4627257 Tube spin close apparatus |
| 12/02/1986 | US4625537 Localized boss thickening by cold swaging |
| 11/12/1986 | CN85104457A Apparatus for processing terminal end of tube |
| 10/08/1986 | EP0196523A2 Radial press |
| 09/09/1986 | CA1211077A1 Method of mechanically prestressing a tubular apparatus |
| 09/02/1986 | US4608846 Dedimpler apparatus |
| 08/19/1986 | US4606214 Metal forming apparatus |
| 07/23/1986 | EP0188086A2 Manufacture of tubular components |
| 06/17/1986 | US4594873 Method and apparatus for preparing pipe sections for welding |
| 05/27/1986 | US4590785 Method and apparatus for flaring a tube |
| 05/27/1986 | US4590655 Method for expanding a tubular member |
| 05/27/1986 | CA1204923A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 04/22/1986 | US4583389 Method for removing certain of the corrugations in a helically corrugated pipe |
| 04/15/1986 | US4581912 Apparatus for processing terminal ends of tubes |
| 04/08/1986 | US4580715 Method and apparatus for making a water-tight radiator element |
| 04/08/1986 | US4580328 Method of closing a can-type housing |
| 04/08/1986 | US4580324 Method for rounding flat-oval tubing |
| 03/18/1986 | US4576031 Quick disconnect arbor and die head for tube stock sizing apparatus |
| 01/28/1986 | US4566300 Method for the manufacture of a conical tubular member |
| 01/15/1986 | EP0168365A1 Muffler apparatus |
| 11/12/1985 | US4552009 Upsetter |
| 09/11/1985 | EP0154030A1 Apparatus for enlarging tube ends |
| 09/04/1985 | EP0153812A2 Method and apparatus for flaring a tube |
| 09/03/1985 | US4539164 Method for fabricating a support for a bubble cap on the end of its riser tube |
| 08/28/1985 | EP0153138A2 Method of and apparatus for manufacturing heat exchangers and components for heat exchangers |
| 08/20/1985 | US4535616 Flaring tool |
| 08/06/1985 | CA1191436A1 Swaging apparatus for radially expanding tubes to form joints |
| 07/23/1985 | US4530231 Method and apparatus for expanding tubular members |
| 07/02/1985 | US4526023 Tube flaring tool die assembly |
| 06/12/1985 | EP0144280A2 Tube flaring tool die assembly |
| 04/23/1985 | US4512178 Tube end deforming tool |
| 04/23/1985 | US4512172 Method of forming flanged containers |
| 03/19/1985 | US4505144 Apparatus for simultaneous both-end shaping of workpiece |
| 03/13/1985 | EP0133952A1 Manually operated tool for flaring tubes |
| 02/20/1985 | EP0133254A2 Method and apparatus for calibrating, deforming and compressing the surfaces of tubes |
| 12/11/1984 | CA1179244A2 Apparatus for flanging tube ends |
| 11/22/1984 | EP0112853A4 Tube expander. |
| 10/24/1984 | EP0059196B1 Containers |
| 09/25/1984 | US4472959 Removable multi-die cartridge for shrink forming machine |
| 09/19/1984 | EP0118451A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method. |
| 09/11/1984 | US4470281 Method of forming end face wall having concentric recess in tubular workpiece |
| 09/11/1984 | US4470188 Method of mechanically prestressing a tubular apparatus |
| 08/28/1984 | US4467511 Method for the conformation of a metallic tube, particularly for a heat exchanger, and a heat exchanger provided with tubes thus conformed |
| 07/17/1984 | US4459917 Method and apparatus for producing even tube extensions in a partially assembled heat exchanger |
| 07/11/1984 | EP0112853A1 Tube expander |
| 07/03/1984 | US4457157 Pipe end expanding or contracting device utilizing ironing |
| 07/03/1984 | US4457156 Horizontal tube upsetter |
| 06/27/1984 | EP0112288A1 Method and apparatus for manufacturing watertight radiator elements |
| 06/05/1984 | US4452063 Process for making pipe fitting components, and the components obtained thereby |
| 05/01/1984 | CA1166561A1 Methods of and/or apparatus for flanging tube ends |
| 03/21/1984 | EP0103439A1 Methods of prestressing and methods of manufacturing tubular apparatus |
| 03/21/1984 | EP0032921B1 Tube expanding tool |
| 01/19/1984 | WO1984000120A1 Tube expander |
| 01/17/1984 | US4425783 Tube expanding tool |
| 01/03/1984 | US4423618 Rehardening of copper connectors |
| 11/29/1983 | US4417462 Axle spindle and method for making the same |
| 10/13/1983 | WO1983003374A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 09/20/1983 | CA1153932A1 Method and apparatus for expanding spirally welded pipe |
| 09/20/1983 | CA1153879A1 Method of manufacturing components adapted to be mounted on a shaft |
| 09/13/1983 | CA1153678A1 Expander tool |
| 08/09/1983 | US4397173 Tube expander |
| 07/12/1983 | US4392764 Necked-in container body and apparatus for and method of forming same |
| 07/12/1983 | US4392372 Method and apparatus for flanging tube ends |
| 05/17/1983 | US4383429 Apparatus for forming a point at the end of a metal tube by means of a drawing operation |
| 03/30/1983 | EP0075068A2 Necked-in container body and apparatus for and method of forming same |
| 02/01/1983 | CA1140398A1 Pipe sizing and grooving apparatus |
| 01/25/1983 | US4369837 Tube for tube-plate heat exchangers |
| 01/18/1983 | CA1139647A1 Apparatus for forming a point at the end of a metal tube by means of a drawing operation |
| 09/21/1982 | US4350036 Apparatus for pointing work pieces |
| 09/08/1982 | EP0059196A1 Containers. |
| 05/25/1982 | USRE30940 Flaring tool |
| 04/27/1982 | CA1122446A1 Upsetting of tube ends |
| 03/31/1982 | EP0048701A1 Method of making pipe unions |
| 03/18/1982 | WO1982000785A1 Containers |
| 03/09/1982 | US4318291 Tube end forming apparatus |
| 01/27/1982 | EP0044795A2 Sizing tool for expanding tube ends |
| 01/08/1982 | EP0032921A4 Tube expanding tool. |