| Patents for B21D 53 - Making other particular articles (18,517) |
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| 11/02/1988 | EP0289437A2 Method for joining at least two edges of sheet metal, in particular for the production by stamping of a bicycle fork crown, and fork crown obtained by this method |
| 11/02/1988 | CN88101904A Method and apparatus for cold-roll forming of annular workpieces |
| 11/02/1988 | CN88101511A Method for manufacturing disc used to make clutch rotor for electromagnetic clutch |
| 11/01/1988 | US4781076 Camshaft for reciprocating piston engines |
| 11/01/1988 | US4781054 Apparatus for bending and forming heated tubular workpieces |
| 11/01/1988 | US4780955 Apparatus for making a tube and fin heat exchanger |
| 11/01/1988 | CA1243827A1 Method for forming a braking piston for a disc brake |
| 10/25/1988 | US4779476 Thin-walled splined and flanged power transmission member |
| 10/25/1988 | US4779437 Grooving and stamping method and apparatus |
| 10/25/1988 | CA1243714A1 Integral tire wheel |
| 10/25/1988 | CA1243476A1 Method of making a segmented externally finned heat exchanger tube |
| 10/18/1988 | US4777708 Method for manufacturing an exhaust manifold |
| 10/13/1988 | DE3710823A1 Verfahren zur herstellung geschweisster plattenwaermetauscher, insbesondere kreuzstrom-plattenwaermetauscher Process for the manufacture of welded plattenwaermetauscher, especially cross-flow plattenwaermetauscher |
| 10/12/1988 | EP0286587A2 Profiling method for ring-shaped objects, and apparatus for carrying out this method |
| 10/12/1988 | EP0286462A1 Miniature Joule-Thomson expansion refrigerator, and method of manufacturing it |
| 10/12/1988 | EP0285778A1 Method for production of a compound gas turbine blade consisting of a foot, blade and head piece, whereby the blade is made from a dispersion hardened nickel based super-alloy; and compound blade produced using this method |
| 10/05/1988 | EP0062067B1 Manufacturing method for a tubular shell of a universal joint |
| 10/04/1988 | US4774749 Plain bearings and process for manufacturing same |
| 09/28/1988 | EP0284271A2 Manufacture of gear shafts |
| 09/28/1988 | EP0284259A1 Badges and a method for their manufacture |
| 09/21/1988 | EP0283303A2 Method of measuring residual stress in a carrier for a belt for a continuously variable transmission |
| 09/20/1988 | US4771536 Expansion rod mounting structure |
| 09/20/1988 | US4771535 Disk insertion apparatus for inserting a disk into a rim element of a disk wheel |
| 09/15/1988 | DE3736096C1 Apparatus for the production of multi-groove V-belt pulleys |
| 09/13/1988 | US4770283 Friction ring for clutches or brakes, and a method and device for producing the friction ring |
| 09/13/1988 | US4770241 Method and apparatus for forming slit fin coils |
| 09/13/1988 | US4769894 Ironing board |
| 09/08/1988 | DE3805280A1 Verfahren und einrichtung zur automatischen anbringung und befestigung von klemmen auf zu befestigenden gegenstaenden Objects and device for automatically laying out and attaching clamps to be fixed method |
| 09/06/1988 | US4768641 Apparatus for conveying continuous corrugated members |
| 08/30/1988 | US4767387 Grooved pulley and manufacturing method therefor |
| 08/30/1988 | US4766667 Apparatus for tension expanding tubes |
| 08/30/1988 | CA1241288A1 Handling apparatus and method |
| 08/25/1988 | WO1988006248A1 Hollow shafts and a process for their manufacture |
| 08/23/1988 | US4765788 Wall fastener |
| 08/23/1988 | US4765204 Method of manufacturing a motionless mixer |
| 08/23/1988 | US4765058 Apparatus for manufacturing enhanced heat transfer surface |
| 08/17/1988 | EP0278737A1 Method and apparatus for forming welded rings |
| 08/17/1988 | EP0278545A1 Transmission belt, cross element for a transmission belt and method and device for the production thereof |
| 08/17/1988 | EP0278292A1 Hollow shaft and method of manufacturing it |
| 08/16/1988 | US4763727 Panel heat exchanger |
| 08/16/1988 | US4763503 Apparatus for making a cam shaft |
| 08/16/1988 | CA1240489A1 Apparatus for assembling fin plate heat exchangers |
| 08/10/1988 | EP0277891A1 Joint for a bicycle frame and the like, and process for its production |
| 08/10/1988 | EP0277830A2 Storage tray and method of manufacturing same |
| 08/09/1988 | US4761982 Method and apparatus for forming a heat exchanger turbulator and tube |
| 08/09/1988 | US4761866 Method of working in situ the end of a heat exchanger tube |
| 07/26/1988 | US4759296 Ironing board |
| 07/20/1988 | EP0274816A1 Improved wall fastener |
| 07/20/1988 | EP0274719A2 Thread-forming method and tubular body provided with a thread |
| 07/19/1988 | US4757701 Six stage rolling apparatus for forming endless metal belts |
| 07/14/1988 | DE3743041C1 Method for producing a frame element consisting of interconnected hollow-profile beams and punching device for carrying out the method |
| 07/12/1988 | US4756466 Method of manufacturing a drive axle housing |
| 07/12/1988 | US4756182 Die for flanging and chamfering thin-walled members |
| 07/12/1988 | US4756179 Mandrell for flanging and splining thin-walled members |
| 07/06/1988 | CN86104136A Titanium-aluminum compound fin tube and processings |
| 06/30/1988 | DE3643741A1 Cabinet, in particular bathroom cabinet |
| 06/29/1988 | CN86108722A Wave-shaped holder of ball bearings and its making process |
| 06/29/1988 | CN85104710B Heat transfer tube used for uniphase flow |
| 06/28/1988 | US4753559 Expansion shell |
| 06/28/1988 | US4753058 Elevated floor panel and method of manufacturing same |
| 06/28/1988 | CA1238478A1 Apparatus for automatically processing a slide fastener chain |
| 06/21/1988 | US4751777 Method for making a full round bushing |
| 06/21/1988 | CA1238178A1 Apparatus for assembling heat exchangers |
| 06/14/1988 | US4750250 Method of fastening drive elements of a hollow shaft |
| 06/14/1988 | CA1237879A1 Apparatus for forming fins for heat exchangers |
| 06/08/1988 | EP0270412A1 Production method for the casing of a solid propellant rocket motor |
| 06/07/1988 | US4749375 Method for producing a multiple V-groove pulley and a pulley produced by said method |
| 06/07/1988 | US4749116 Apparatus for forming a pipe frame |
| 06/07/1988 | US4749033 Manifold and method of manufacturing the same |
| 06/01/1988 | EP0269318A2 House-key code cutter |
| 06/01/1988 | EP0268735A1 Method for the folded or flanged connection of part of a tube to a connecting piece |
| 06/01/1988 | DE3639716A1 Method for the production of multilayered metal articles, in particular heat exchangers |
| 05/31/1988 | CA1237272A1 Method for manufacturing heat transfer element sheets for a rotary regenerative heat exchanger |
| 05/25/1988 | CN85106691B Heat transfer wall for boiling liquids and processes of manufacture |
| 05/24/1988 | US4745678 Apparatus for belling and expanding coils |
| 05/24/1988 | CA1237083A1 Muffler apparatus and method for making same |
| 05/19/1988 | DE3637908A1 Cabinet, in particular bathroom cabinet |
| 05/18/1988 | CN87211550U Zigzag corrugated plate |
| 05/17/1988 | US4744505 Method of making a heat exchanger |
| 05/11/1988 | EP0266609A1 Cupboard, in particular a bathroom wall cabinet |
| 05/10/1988 | US4742723 Core for a synchronizer blocker ring with bent lugs |
| 05/10/1988 | US4742704 Hydraulic jewelry press |
| 05/05/1988 | WO1988003067A1 An arrangement for profiling forwardly indexed material webs |
| 05/04/1988 | EP0265663A1 Method of producing a camshaft, as well as a camshaft made from a tube, and elements placed thereon |
| 05/04/1988 | CN87203199U Machine for manufacturing packing buckle |
| 05/04/1988 | CN87200310U Wheel circular rim shaping machine |
| 05/03/1988 | US4741191 Method for splining and flanging thin-walled members |
| 04/27/1988 | EP0265408A2 An arrangement for profiling forwardly indexed material webs |
| 04/21/1988 | WO1988002672A1 Process for manufacturing double-wall hollow metal bodies, and hollow bodies produced by the process |
| 04/20/1988 | CN87205923U Process equipment for forming the cylindrical vibration reducer of motorcycle |
| 04/20/1988 | CN87106724A Assembling camshaft |
| 04/19/1988 | US4738014 Apparatus for moving plate fin coils from station to station |
| 04/19/1988 | US4738012 Method of making a cam shaft |
| 04/14/1988 | DE3634809A1 Verfahren zur herstellung von doppelwandigen hohlkoerpern aus metall und nach dem verfahren hergestellter hohlkoerper Process for the preparation of double-hohlkoerpern consisting of metal and manufactured in accordance with the procedure hohlkoerper |
| 04/13/1988 | EP0263324A1 Catalyst carrier for an exhaust gas cleaning reactor |
| 04/13/1988 | CN87105900A Installing process of pipe in steam generator |
| 04/12/1988 | US4737060 Staggered teeth plate |
| 04/12/1988 | US4736611 Apparatus for wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
| 04/07/1988 | WO1988002286A1 Method and device for moving a tool to exact shaping or working engagement with a strip of material having a repeated basic shape |
| 04/05/1988 | US4735072 Straightener roll machine for brake shoe |