Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523)
12/1995
12/05/1995US5472751 Ornament
11/1995
11/15/1995EP0682378A1 Expanded net, method for its manufacture, and plate for lead storage battery
11/08/1995EP0680793A1 Method and apparatus for making a building structure form with a flat stiffened plate part
10/1995
10/31/1995US5461761 Process and apparatus for the production of expanded grids
10/17/1995US5458025 Razor blade manufacture
10/12/1995WO1995026838A1 Apparatus for cutting sheet material
09/1995
09/26/1995CA2037584C Method of creating a registered pattern on a metal coil and associated apparatus
09/21/1995WO1995024983A1 Razor blade manufacture
09/21/1995CA2185118A1 Razor blade manufacture
08/1995
08/09/1995EP0666263A1 Novel condensed thiazole derivative, process for producing the same, and pharmaceutical composition containing the same
05/1995
05/03/1995EP0650778A1 Rotary expanded grid cutter and related process
04/1995
04/20/1995DE4424493A1 Pliers-like tool for connecting sheet-metal parts in a positive-locking manner
04/20/1995DE4333557C1 Vehicle body and method for its production
04/11/1995US5404739 Portable louver-forming tool
04/04/1995US5402852 Continuous sheet of magnesium metal alloy foil having discontinuous slits arranged in specified way, coated with oleate or an alkaline bichromate
03/1995
03/30/1995WO1995005571A3 Radiator tube and method and apparatus for forming same
02/1995
02/28/1995US5392531 Bed plate for a fluidized bed apparatus and a method for making the same
02/23/1995WO1995005571A2 Radiator tube and method and apparatus for forming same
02/23/1995WO1995005254A1 Controller
02/23/1995CA2168746A1 Radiator tube and method and apparatus for forming same
02/23/1995CA2147242A1 Controller
02/22/1995EP0639356A1 Process for shaping external anchoring surfaces for joint implants
02/22/1995EP0609394A4 Anti-explosion pads and their method of use.
12/1994
12/27/1994US5375446 Rotary expanded grid cutter and related process
12/20/1994US5373758 Device for punching sheet-type material, in particular label material
11/1994
11/22/1994US5365819 Method and process for manufacturing expandable packing material
11/15/1994CA1333045C Device for manufacturing expanded material
10/1994
10/26/1994EP0621380A1 Metal reinforcement for the reinforcement of concrete structures, and process and device for making the same
10/21/1994CA2121656A1 Concrete structure reinforcement, fabrication process and device used therefore
10/12/1994CN1093305A Improving prodn. of steel products and the method for prodn. of same
08/1994
08/11/1994DE4303300A1 Forming method for spinning sheet-metal shaped parts
08/10/1994EP0609394A1 Anti-explosion pads and their method of use
07/1994
07/12/1994US5327767 Press working apparatus
07/07/1994WO1994015375A1 Expanded net, method for its manufacture, and plate for lead storage battery
06/1994
06/08/1994CN1087635A Novel thiazole derivative, preparation of same and pharmaceutical composition of same
06/01/1994EP0599782A1 Method and machine for making expanded metal
04/1994
04/27/1994CN2163013Y Grating net special expanding machine
04/12/1994US5302466 Expanded metal strip for reinforcing a resilient product
03/1994
03/31/1994WO1994006791A1 Novel condensed thiazole derivative, process for producing the same, and pharmaceutical composition containing the same
03/31/1994DE4331454A1 Process for forming recesses in metal body
03/31/1994CA2144545A1 Novel condensed thiazole derivative, production process thereof and pharmaceutical composition thereof
03/29/1994US5297416 Method of producing an ellipsoid form from an expanded metal net
03/17/1994DE4230143A1 Method and appts for shaping flat blank - using fluid jet to produce shaping thrust.
02/1994
02/22/1994US5287716 Method of forming cable-guiding opening in metal wall-studs and hand powered tool for it
01/1994
01/26/1994CN2154134Y Extruded type special maching for chiseling hole on board
01/25/1994US5281511 Process for producing an embossing die in roll form
11/1993
11/10/1993CN1078181A Process and equipment for prodn. of creep extensive net
11/03/1993EP0568411A1 Press working apparatus
09/1993
09/15/1993EP0560465A2 Metal product for use in extinguishing fires and in the prevention of explosions
09/01/1993EP0558163A2 Method and apparatus for producing an expandable product for use in extinguishing fires and in the prevention of explosions
08/1993
08/31/1993US5239888 Steering-column body tube for a motor vehicle
08/31/1993US5239735 Method for manufacturing expanded mesh sheet
08/04/1993CN1074840A Light bent steel
07/1993
07/01/1993DE4143035A1 Prodn. of stretch grids from thin metal strip - by lateral stretching of slotted, continuously fed strip
07/01/1993DE4142260A1 Construction panel for building - has baseplate with alternate rows of equivalent profile and spacing at different displacements
06/1993
06/30/1993EP0353231B1 Process and apparatus for forging one piece track roller rim
05/1993
05/19/1993CN2133747Y Hollow plate material for making hollow aluminium grid
05/19/1993CN2133379Y Extruding aluminium mould
05/12/1993EP0540916A1 Improved high-intensity rotary peening particle support and method of making same
05/07/1993CA2080265A1 High-intensity rotary peening particle support and method of making same
05/05/1993CN2131628Y Single-piece slide-block net punch for rhombus net
05/04/1993US5207756 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
05/04/1993US5207027 For engagement over and end flange of a vehicle
04/1993
04/29/1993WO1993008361A1 Anti-explosion pads and their method of use
04/28/1993CN2130618Y Slotting Machine for aluminium blank sieves
04/06/1993US5199142 Production of expanded metal strip for reinforcing a resilient product
03/1993
03/17/1993EP0532163A1 Weatherstrip of expandable width
03/10/1993EP0531115A1 Production of expanded metal strip for reinforcing a rubber-like product
02/1993
02/24/1993EP0528147A1 Punch for producing grater elements
02/10/1993EP0526867A1 Process for making a cylindrical embossing tool
02/06/1993CA2075325A1 Process for producing an embossing die in roll form
01/1993
01/19/1993US5179852 Metallurgy, steels
01/07/1993WO1993000184A1 Method of manufacturing cylindrical part or one having bottom
01/05/1993US5176020 Method for manufacturing a corrugated fin and a shaping roll apparatus therefor
12/1992
12/08/1992US5168740 Method for producing drawn bores in sheet-metal pieces
10/1992
10/14/1992EP0508199A1 Method of and device for the continuous production of an expanded metalliforme band
10/07/1992EP0507038A1 A fluidized bed apparatus and a method for making the same
10/06/1992WO1992017273A1 A bed plate for a fluidized bed apparatus and a method for making the same
09/1992
09/29/1992US5150598 Apparatus for scribing grain-oriented electrical steel strip
09/09/1992EP0502761A1 Steering column tube and frame for automotive vehicle
09/01/1992US5142755 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
08/1992
08/11/1992US5136765 Apparatus for manufacturing expanded mesh sheet
06/1992
06/10/1992EP0489709A1 Apparatus for producing expanded material from malleable foil
06/09/1992US5119667 Use on auto body surfaces
04/1992
04/21/1992US5105643 Method of and apparatus for making perforations in spacer frames for use in multiple-pane windows
03/1992
03/24/1992US5097907 Composition of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
03/17/1992US5095597 Method of making an expanded metal product
03/11/1992EP0474625A2 Method of dressing in particular endless bands
03/10/1992US5093971 Method and apparatus for forming expanded mesh battery grid and grid formed therefrom
02/1992
02/18/1992US5088170 Device for manufacturing expanded material
01/1992
01/21/1992US5081814 Lath panel and method of manufacture
01/15/1992CN2093046U Automatic batch feed punching machine
12/1991
12/11/1991EP0460792A2 Metal reinforcements for sealing strips and the like and methods of making them
11/1991
11/21/1991DE4016253A1 Domed sieve element mfr. for heat exchanger - esp. useful in cooling water filter unit by deforming flat metal plate into conical cap shape and forming sieve holes
11/21/1991DE4015389A1 Tool for removing dents from sheet metal - incorporates two pivoted arms forming anvil and hammer
10/1991
10/29/1991US5060352 Manufacture of expanded sheet metal articles
10/02/1991EP0449220A1 Method of creating a registered pattern on a metal coil and associated apparatus
09/1991
09/17/1991CA1289131C Finned heat exchanger tubing with varying wall thickness
08/1991
08/29/1991DE4005567A1 Aluminium sheet shaping into profiles - by machine positioning on profiled base, applying vacuum beneath and high frequency hammering tool opt. to top face
08/28/1991EP0443278A1 Method of manufacturing a metallic framework for sections made of a synthetic resilient material
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