Patents for B21D 53 - Making other particular articles (18,517)
04/1988
04/05/1988US4734969 Floating rod lacer for automatic coil assembly
03/1988
03/31/1988DE3714973A1 Apparatus for manufacturing blind slats
03/30/1988EP0262106A2 Method and device for moving a tool to exact shaping and working engagement with a strip of material having a repeated basic shape
03/30/1988EP0262011A1 Method for placing tubes in a steam generator
03/30/1988CN86107871A Scrapless shaping die for making multipiece circlips used in holes
03/29/1988US4733448 Wheel manufacture for correction of rotational non-uniformity of a pneumatic tire and wheel assembly
03/22/1988US4732030 Method of manufacturing gear-shift lever and the lever constitution
03/16/1988EP0260224A1 Apparatus for rolling the connecting part of a composite profile
03/09/1988CN87211249U Joggling equipment for thin-strip material
03/08/1988US4729233 Rack assembly for forming splines in thin-wall member
03/08/1988US4729155 Method of making heat transfer tube with improved outside surface for nucleate boiling
03/08/1988CA1233705A1 Spalling and corrosion resistant ceramic coating for land and marine combustion turbines
03/01/1988US4727636 Manufacturing method for an elliptic gear
02/1988
02/23/1988US4726886 Silane compound and polyvinyl pyrrolidone
02/23/1988US4726214 Shrink forming apparatus
02/23/1988CA1233170A1 Mixed helix turbulator for heat exchangers
02/18/1988DE3627578A1 Multifunctional heat-transfer mechanism (extended heat-exchanger principle)
02/17/1988CN87204335U Package knot making-up machine
02/09/1988CA1232433A1 Method for reshaping a gas turbine engine combustor part
02/04/1988DE3712123A1 Fabricated gearwheel for vehicle starter
01/1988
01/28/1988WO1988000643A1 Camshaft and method for its production
01/27/1988CN87104854A Camshaft and method for its production
01/26/1988US4721594 Method and an apparatus for the production of ribbed pipes
01/26/1988US4720950 Spacers for use in multiple-pane windows or the like
01/26/1988US4720902 One step tension expander and method of using
01/26/1988CA1231834A1 Car stabilizer and a manufacturing method therefor
01/26/1988CA1231829A1 Apparatus for assembling tubes in a heat exchanger
01/20/1988EP0253167A1 Heat-exchanger, more particularly evaporator for refrigerant
01/20/1988CN87104795A Clutch rotor for electromagnetic clutch and method for producing thereof
01/20/1988CN86108713A Multi-point radial milling ring technological process
01/19/1988US4719682 Method of forming a laminated wheel assembly
01/19/1988CA1231763A1 Cable clamp, body portion therefor and method of manufacturing same
01/14/1988WO1988000099A1 Process and apparatus for the cold shaping of pipes or fittings, and articles thus obtained
01/14/1988DE3621770A1 Method for the production of a cage fitted with rolling elements and the cage itself
01/13/1988EP0252373A2 Method and apparatus for the folded connection of a tube with a closure plate
01/13/1988EP0138887B1 Method for reshaping a gas turbine engine combustor part
01/12/1988US4718482 Fins for automobile or home air conditioners; surface treated aluminum
01/12/1988US4718155 Bearings
01/07/1988EP0251444A1 Anvil assembly
01/05/1988US4717294 House-key code cutter
01/05/1988US4716756 Clutch drum
12/1987
12/31/1987CN87206553U Rolling machine for wheel rims
12/30/1987WO1987007855A1 Apparatus for loading radiator fins into trays
12/29/1987US4716423 Barrier layer and orifice plate for thermal ink jet print head assembly and method of manufacture
12/29/1987US4715210 Method for making steering rack bars
12/29/1987CA1230872A1 Heat exchanger
12/23/1987EP0249946A2 Method and device for the fabrication of a spacing frame for insulating glass panes
12/23/1987EP0249625A1 Ink jet barrier layer and orifice plate printhead and fabrication method.
12/23/1987DE3627152A1 Method and apparatus for the production of a spacer frame for insulating glass
12/22/1987US4713952 Tool and method for rotopeening the peripheral tubes in a tubesheet
12/22/1987US4713946 Ornamental chain
12/22/1987CA1230471A1 Method of manufacturing sheet metal made poly-v pulleys
12/16/1987EP0249341A2 A method and apparatus for shaping loops such as metallic binding bands
12/15/1987US4712295 Clamp apparatus
12/09/1987EP0248222A2 Cooling tubes, and process and device for their manufacture
12/09/1987CN87103968A Prelubricated finstock
12/09/1987CN86206375U Cold pressing mould for making radiator pieces
12/02/1987EP0247903A2 Prelubricated finstock
11/1987
11/26/1987DE3617391A1 Turbulence-creating body for heating-gas flues and a method for its production
11/25/1987EP0246578A1 Process for the treatment of heat exchanger surfaces
11/24/1987US4708749 Method of calibrating vehicle wheels to a finished size
11/24/1987US4707899 Method of making rocket motor extendible nozzle exit cone
11/18/1987CN86209071U Waste-free multiple-piece moulding die for forming elastic check ring of hole
11/17/1987US4706355 Method of making an internally grooved and expanded tubular heat exchanger apparatus
11/12/1987DE3613596A1 Heat exchanger and process for producing it
11/11/1987EP0245134A1 Process and apparatus for sleeving a peripheral tube of a steam generator
11/10/1987US4705150 Method and machine for splining clutch hubs with close tolerance spline bellmouth and oil seal surface roundness
11/03/1987US4703544 Method of manufacturing a rotor for hydraulic rotary valve
10/1987
10/29/1987DE3709984C1 Method and device for manufacturing evaporators for refrigerating furniture
10/28/1987EP0113748B1 Method of lining a port in an end plate of a heat exchanger and plate fitted with a port lining
10/27/1987US4702100 Adjustable clevis
10/21/1987CN86102189A Edge folding process for cold pressed bi-metal reel pleeve
10/20/1987US4700981 Paint drain closure and vehicle panel
10/20/1987US4700445 Method of manufacturing heat transfer panels by inflation
10/14/1987CN87102477A Method and apparatus for seal fixing tubes between two tube bases
10/13/1987US4699560 Lifting apparatus suitable for equipment such as forklifts
10/13/1987US4699212 Plate heat exchanger
10/13/1987US4698904 Apparatus for assembling fins and tubes for heat exchangers
10/13/1987US4698889 Synchronizer blocker ring core of low material thickness with coined lugs
10/13/1987US4698888 Method for mass producing superimposed annular elements of a tubular manifold or collector vessel of a heat exchanger
10/07/1987EP0240403A2 Method of wheel manufacture for correcting rotational non uniformity of a pneumatic tire and wheel assembly and apparatus for performing such method
10/07/1987EP0239836A1 Method and device for pressure-sealed installation of straight tubes between two tube sheets
10/07/1987CN87101978A Method and apparatus for production of ribbed pipes
10/06/1987US4698046 Transmission device in particular for a driving wheel of a motor vehicle
10/06/1987US4697445 Poly-V pulley formed of sheet metal and method and apparatus for making same
10/06/1987US4697321 Method of manufacturing baffles for shell and tube type heat exchangers
10/06/1987CA1227703A1 Method and machine for splining clutch hubs with close tolerance spline bellmouth and oil seal surface roundness
10/06/1987CA1227669A1 Method of manufacturing poly-v pulleys and the products
10/06/1987CA1227668A1 Poly-v grooved pulley and method of making same
09/1987
09/30/1987EP0239490A1 Spiral heat exchanger and method of making it
09/30/1987CN85109489A Sheet metal product forming technique
09/29/1987US4696086 Die set apparatus for badges
09/29/1987US4696083 Method for making machine parts and machine parts produced thereby
09/23/1987EP0237909A2 Tack shaping apparatus
09/23/1987EP0237900A1 A method and an apparatus for the production of ribbed pipes
09/23/1987EP0237761A1 A method for manufacturing a heat exchanger
09/22/1987US4694945 Electromagnetic clutch with an improved magnetic rotatable member
09/22/1987US4694898 Heat exchanger element comprising a single and integrally extruded member including at least two hollow tubes integrally joined by at least two webs
09/22/1987US4694864 Double-wall tube for a heat exchanger
09/22/1987US4694676 Method of manufacturing tri-pot universal joint housings