Patents for B21D 53 - Making other particular articles (18,517)
11/1979
11/13/1979US4173884 Forming machine for bending metal bars
11/06/1979US4173136 Method and apparatus for producing multiple groove V-belt pulleys
11/06/1979US4173134 Apparatus and method for guiding a ring structure during the manufacture thereof
10/1979
10/31/1979EP0004876A1 Heat exchanger tube guide and extractor tool therefor
10/30/1979US4172523 Applicator for retaining rings
10/30/1979CA1065219A1 Heat exchange panel
10/23/1979US4171634 Method of making corrugated tubing with graduated pitch
10/17/1979EP0004679A1 Process for manufacturing a wheel of light metal for air-tyred motor vehicles
10/17/1979EP0004580A2 Heat exchange element
10/16/1979US4171015 Heat exchanger tube and method of making same
10/16/1979US4170888 Apparatus for spin-forming wheel rims
10/16/1979CA1064239A1 Apparatus and method for splining power transmission members
10/16/1979CA1064238A1 Method and apparatus for making hubless v-grooved pulley
10/16/1979CA1064236A1 Apparatus for winding tubes around a core in heat exchangers
10/09/1979US4170055 Method and apparatus for manufacturing a heat exchanger
10/02/1979CA1063594A1 Heat exchanger system
09/1979
09/04/1979US4166521 Stainless steel brake disc structure
09/04/1979CA1061683A1 Apparatus and method for forming barbed tape
08/1979
08/22/1979EP0003518A1 Method for preparing countersunk holes in a metal component
08/14/1979US4164134 Method of manufacturing a metallic belt of high strength, and apparatus for use in said method
08/14/1979US4164133 Apparatus for forming circularly bent articles from a straight metal profiled strip
08/14/1979US4164102 Process for the manufacture of a ceramic axial turbine wheel
08/14/1979US4164062 Ball and socket linkage and bearing assembly and method of fabricating
08/14/1979CA1060317A1 Single piece tree shear blade having cylindrically curved cutting portion and method of making same
08/14/1979CA1060273A1 Method and tool for making a sheet metal pulley
08/08/1979EP0003443A1 Improvements in or relating to rolling bearings
08/07/1979CA1059837A2 Apparatus for making corrugated flexible metal tubing
08/07/1979CA1059836A2 Apparatus for making corrugated flexible metal tubing
07/1979
07/31/1979US4162569 Method of making metal gaskets
07/31/1979US4162567 Method for making a sheet metal pulley
07/31/1979CA1059501A1 Cft box fin
07/31/1979CA1059396A1 Method of sizing heat exchange panels
07/31/1979CA1059294A1 Fastening element chain
07/24/1979US4161809 Method of fabricating a solar absorber panel
07/11/1979EP0002823A1 Tube bundle assembly and process for its construction
07/10/1979US4160476 Securement of heat exchanger surfaces to tubes by lock seaming and method of fabrication
07/03/1979US4159739 Heat transfer surface and method of manufacture
06/1979
06/26/1979US4158908 Securement of heat exchanger surfaces to tubes and method of fabrication
06/12/1979US4157603 Fastening element train and method and apparatus of manufacture
06/05/1979CA1055680A1 Method for making metallic sandwich structures
05/1979
05/30/1979EP0002032A1 Method and apparatus for making multiple-groove pulleys
05/22/1979US4155237 Machine for splining thin-walled power transmission members
05/22/1979US4155236 Tooth forming machine
05/22/1979US4155158 Apparatus for winding tubes around a core
05/15/1979US4153982 Method and apparatus for forming cross ribbed pipes
05/08/1979CA1054201A1 Ball bearings and ball races
05/08/1979CA1053989A1 Method of roller spinning cup-shaped metal blanks and roller construction therefor
05/08/1979CA1053988A1 Corrugated metal sheet and method for its manufacture
05/01/1979US4151733 Method of producing thrust washers
04/1979
04/24/1979US4150556 Radiator tank headsheet and method
04/03/1979US4147918 Method of making knives
03/1979
03/27/1979CA1051170A1 Slide fastener
03/20/1979US4144732 Method and apparatus for forming one-piece pulleys
03/13/1979US4143533 Method of manufacturing solid wheel rims
03/13/1979US4143449 Wheel forming machine
03/13/1979US4143448 Method and apparatus for manufacturing solar heater panels
03/13/1979CA1050349A1 Method of forming rings
03/13/1979CA1050251A1 Method of forming a roller cage
03/06/1979US4142394 Apparatus for forming circularly bent articles from a straight profiled strip
03/06/1979US4142392 Internally groove forming apparatus for heat exchanging pipes
02/1979
02/27/1979CA1049240A1 Method of making a thermal barrier construction element
02/20/1979US4139932 Method for winding and forming of cooling coils
02/13/1979US4138776 Method for fabricating pulleys
02/13/1979US4138775 Method for manufacturing a shoe for a swash-plate type compressor
02/13/1979CA1048254A1 Die forming of concave antenna reflectors
02/07/1979EP0000606A1 Method of making metal sheets for reflectors
01/1979
01/30/1979US4136628 Methods of and apparatus for making slotted beam contact elements
01/23/1979CA1046858A1 Method and apparatus for forming automotive wheel rim blanks
01/23/1979CA1046804A1 Pull tab attachment tool
01/23/1979CA1046711A1 Heat exchanger strip and method for forming same
01/16/1979US4134285 Method and apparatus for producing multiple groove pulleys
01/09/1979US4133092 Method of making shaft seal with clinch-butt metal case
01/09/1979US4133091 Apparatus for fixing blades on turbine wheel for fluid coupling made of sheet metal
01/09/1979US4133066 Method for manufacturing self-locking spring nut
01/09/1979CA1045800A1 Hinge and a method for making the same
01/02/1979US4132106 Method for bending wire or strip material into round parts
01/02/1979US4132105 Method of making a locking collar for an antifriction bearing assembly
01/02/1979US4132103 Method of producing an annular part for use as a diaphragm
01/02/1979CA1045467A1 Method of roller spinning cup-shaped metal blanks
12/1978
12/12/1978US4129026 Method of making a pulley groove
12/05/1978US4127926 Method of making solar reflectors
12/05/1978CA1043678A1 Method and apparatus for forming a saw chain cutter link
11/1978
11/28/1978US4127022 Method of manufacturing solid wheel rims
11/28/1978US4127020 Method of manufacturing solid wheel rims
11/21/1978US4126492 Brake disc and process for producing the same
11/07/1978US4124125 Advancing apparatus for spine fin tubing
11/07/1978US4123961 Wheel nut with welded cap
10/1978
10/31/1978US4122701 Collar sleeves and process and tool for the manufacture thereof
10/31/1978US4122589 Method of producing axial roller bearing cages
10/24/1978CA1040845A1 Fastening member for anchoring a railway rail
10/17/1978US4120351 Heat exchange panel with improved header
10/17/1978US4120257 Sheet metal fan blade forming process
10/17/1978CA1040618A1 Heat exchangers
10/10/1978US4119825 Induction heating apparatus
10/10/1978US4119144 Improved heat exchanger headering arrangement
10/10/1978CA1039935A1 Piston ring forming method
10/03/1978CA1039481A1 Manufacture of heat exchangers
09/1978
09/26/1978US4116270 Tubular coiled heat exchanger and device for manufacturing same
09/26/1978US4116038 Apparatus for shaping sheet material
09/26/1978CA1039035A2 Method of winding overlapping tubes of a heat-exchanger