Patents
Patents for B23P 15 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass (23,391)
09/1980
09/23/1980US4223430 Method for making seat assembly for butterfly valves
09/23/1980US4223429 Process for bonding main rotor blades from parts having different coefficients of thermal expansion
09/23/1980CA1086159A1 Tubing with formed ends for heat exchangers
09/17/1980EP0015693A1 Manufacture of track rod ends
09/16/1980US4222691 Method for machining the screw of a compression or expansion machine and a device for the application of said method
09/16/1980US4222160 Method of making heat exchange tubing assembly
09/16/1980CA1085817A1 Rotor for moisture and/or heat exchangers as well as method and apparatus for manufacture thereof
09/09/1980US4221038 Method for forming a frame
09/09/1980US4221037 Method for manufacturing a fluid control device with disc-type flow restrictor
09/09/1980CA1085304A1 Composite rotor blade
09/03/1980EP0014837A1 Method for producing valve-housings from metal and apparatus for producing a valve-housing
08/1980
08/26/1980US4219339 Diamond and cubic boron nitride abrasive compacts and conglomerates
08/26/1980US4219291 Segmented helical rotary cutter and method of making same
08/26/1980US4219128 Sodium-sulfur cell, iron sulfides, sulfides of liner material
08/26/1980CA1084548A1 Piston ring assembly and method of making same
08/26/1980CA1084368A1 Multiorifice structure and method of making same
08/20/1980EP0014480A1 Contoured stamping die and method of manufacture thereof
08/20/1980EP0014270A2 Method and device for forming cutter-head edges on a tempered tool
08/19/1980US4217886 Radiant energy collecting or emitting element and method and tool for manufacture thereof
08/19/1980CA1083794A1 Method of making rotor blades of radial-axial hydraulic machines
08/19/1980CA1083767A1 Improved spinnerette plate containing capillary inserts and process therefor
08/12/1980US4216826 Heat transfer tube for use in boiling type heat exchangers and method of producing the same
08/12/1980CA1083449A1 Multi orifice structure and method of making same
08/06/1980EP0014107A1 Method of manufacturing a cylindrical sleeve with inner grooves, closed at least at one end
07/1980
07/29/1980US4214925 Method for fabricating brazed aluminum fin heat exchangers
07/29/1980US4214847 Insert for railroad tools
07/29/1980US4214762 Rolled metal piston ring
07/23/1980EP0013511A1 A method of making a die member
07/22/1980CA1082114A1 Disc brake pad and method of making a backing plate therefor
07/15/1980US4212569 Tubular drill tool
07/15/1980US4212376 Caliper brake rotor
07/15/1980US4212189 Tool for isothermal forging
07/08/1980US4211508 Earth boring tool with improved inserts
07/08/1980US4211294 Nickel, manganese alloy
07/08/1980US4210995 Method of constructing a burner
07/01/1980US4209884 Method of forming valve seats
07/01/1980CA1080478A1 Device for cutting lead wires
06/1980
06/24/1980US4208845 Method for grinding piston rings
06/17/1980US4207779 Connecting rod for axial cylinder-type reciprocating piston engine
06/17/1980US4207662 Method of manufacturing an aluminum heat exchanger
06/17/1980US4207661 Method of fabricating a catalyst converter for cleaning exhausts of cars
06/17/1980US4207660 Method of making low cost insertable type port liner
06/10/1980US4206865 Formed louver for burner liner
06/10/1980US4206657 Power driven tool having a reciprocating shaft arrangement and method of assembly
06/10/1980CA1079044A1 Method and apparatus for correcting distortion in gas turbine engine blades
06/10/1980CA1079043A1 Method of refurbishing turbine components and the like
06/03/1980US4205425 Method for manufacturing a diamond tool
06/03/1980CA1078592A1 Machine for assembling wood i-beams
05/1980
05/27/1980US4204873 Sintered ceramic body for cutting tools
05/27/1980US4204437 Friction bearing rock bit and segment, and method for making them
05/27/1980US4204305 Method of assembling a heat exchange apparatus
05/27/1980CA1078154A1 Arrangement for manufacturing spherical reservoirs
05/27/1980CA1078119A1 Method of making polytetrafluoroethylene sealing elements with hydrodynamic action
05/20/1980US4203690 Aluminum, cobalt, copper or nickel coating
05/20/1980US4203311 Tubular articles of manufacture and method of making same
05/20/1980US4203186 Heat transfer
05/20/1980CA1077692A1 Gasket seal between sewer pipe and manhole opening
05/14/1980EP0010614A1 Method of fabricating valve housings with the highest degree of security applicable for example in a nuclear reactor
05/13/1980US4202082 Method of manufacturing spherical bearings and parts therefor
04/1980
04/30/1980EP0010290A1 A press for forming particulate tungsten carbide into a blank for cutting tool bit insert and a sinter fixture for compensating shrinkage distortion during sintering
04/29/1980US4200217 Method of manufacturing an article having a press-worked member inwardly of a cylindrical member
04/29/1980US4199850 Method of making a diaphragm valve
04/29/1980CA1076537A1 Fireplace heating system
04/29/1980CA1076335A1 Method of manufacturing a hybrid turbine rotor
04/29/1980CA1076334A1 Turbine rotor fabrication
04/22/1980US4198883 Process for manufacturing bent knives
04/22/1980US4198879 Method for the manufacture of connecting rods for small reciprocating engines
04/22/1980US4198839 Method for making lightweight composite article
04/17/1980WO1980000736A1 Caliper brake rotor
04/15/1980US4198255 Method of making a multi orifice structure
04/08/1980US4196504 Tunnel wick heat pipes
04/08/1980US4196503 Self-aligning bearing with preloading braking member
04/08/1980CA1075293A1 Seal means for a self-aligning bearing and method of making the same
04/08/1980CA1074984A1 Method and apparatus for making padded straps
04/03/1980WO1980000526A1 Method and apparatus for cutting cigarette tipping paper at high speed
04/02/1980EP0009315A1 Method of making tool inserts, wire-drawing die blank and drill bit comprising such inserts
04/01/1980US4195557 Cutting, scoring and embossing die set
04/01/1980US4195396 Method of forming an airfoil with inner and outer shroud sections
04/01/1980CA1074776A1 Concave fairlead roller and method of making same
04/01/1980CA1074548A2 Apparatus for manufacture of construction panel trusses
03/1980
03/25/1980US4194671 Method for constructing a steam condenser
03/25/1980CA1074086A1 Radiating or absorbing heat exchange panel
03/18/1980US4193180 Method of forming a heat exchanger
03/18/1980US4193179 Process of manufacturing an article having a groove rolled therein, and an article produced thereby
03/18/1980CA1073644A1 Locating means for co-operating with helical wires
03/18/1980CA1073643A1 Heat exchanger for solar energy
03/11/1980US4192051 Method for manufacturing fully sealed piston ring
03/04/1980US4191095 Hollow piston for hydrostatic machines
03/04/1980US4190941 Method of making cooled valves for internal combustion engines and valves obtained thereby
02/1980
02/26/1980US4189932 Piston pin bore and method of finishing
02/26/1980CA1072308A1 Method of manufacturing comminuting discs for wood pulp refining machines
02/21/1980WO1980000228A1 A method of manufacturing a heat exchanger for cooling and heating purposes,and an apparatus for carrying out the method
02/19/1980US4189279 Apparatus and method for burnishing gears
02/19/1980US4188813 Method and machine for the manufacture of long concrete drills provided with helical splines over part of their length
02/19/1980US4188811 Metal forming methods
02/19/1980CA1072058A1 Ball point pen tip with supporting seat press fitted into corners of ball receiving hole
02/12/1980US4188167 Apparatus for aligning an inspection or repair device with a selected tube in a heat exchanger
02/12/1980US4187891 Wear part
02/12/1980US4187777 Apparatus for bonding brake linings
02/12/1980US4187743 Rock bit and method of manufacture