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)
02/1982
02/18/1982WO1982000426A1 Process for fabricating a self-contained ink applicator for continuous imprinting on non-absorbent surfaces
02/09/1982US4314616 Die-cast masonry drill with leading hard insert
02/09/1982US4314397 Method of making a solar heat exchanger
02/03/1982EP0045291A1 Method of making a coated cemented carbide body and body produced in such a manner
02/02/1982US4314130 Method of making variably rifled tubes
02/02/1982US4313248 Method of producing heat transfer tube for use in boiling type heat exchangers
02/02/1982CA1117447A1 Caliper brake rotor
01/1982
01/27/1982EP0044341A1 Method of forming fiber and metal matrix composite.
01/26/1982US4312107 Automatic arcuate brake shoe riveting machine and method
01/19/1982US4310960 Method of fabrication of a formed plate, counterflow fluid heat exchanger and apparatus thereof
01/12/1982US4310372 Method of making a well screen
01/12/1982US4310202 Linear ball bearing unit and method for manufacturing same
01/12/1982US4309804 Method for attaching die plates to cylinder segments
01/05/1982CA1115513A1 Apparatus for aligning an inspection or repair device with a selected tube in a heat exchanger
12/1981
12/30/1981EP0042744A1 Dual alloy turbine wheel
12/29/1981US4307890 Piston ring with chrome-filled groove
12/22/1981US4306441 Method and apparatus for manufacturing and forming engine induction passage venturi
12/22/1981CA1114589A1 Heat transfer elements
12/15/1981US4305716 Rotary die cutting machine having integral scrap stripper
12/15/1981US4305311 Crankshaft construction
12/15/1981US4305192 Method of fabricating a composite horizontally split casing
12/10/1981WO1981003444A1 Method for making a shaft and a gear
12/09/1981EP0041266A1 Cutting bits covered with hard material, and method for their manufacture
12/02/1981EP0041015A1 Turbine blade cooled by means of a porous body, and method of manufacturing the same
12/01/1981US4303416 Process and apparatus for the manufacture of sintered tungsten carbide tool tips
11/1981
11/26/1981WO1981003300A1 Method of producing multiple coil,multiple tube heat exchanger
11/26/1981WO1981003296A1 A tapered spline and method of manufacturing same
11/25/1981EP0040520A2 Shaping pistons
11/25/1981EP0040505A1 Method of forming a spline and a splined connection
11/24/1981US4301959 Method series production of an outer column of a safety steering column for automotive vehicles
11/24/1981US4301586 Method of making a valve construction having multiple piston means
11/24/1981US4301585 Method of forming plate having fine bores
11/24/1981US4301584 Method of forming fiber and metal matrix composite
11/17/1981US4300381 Method for producing insert for diesel engine combustion chamber
11/17/1981US4300275 Method of manufacturing a radiant energy collecting or emitting element
11/17/1981US4300274 Method of manufacturing connecting rod for axial cylinder-type reciprocating piston engine
11/17/1981US4300273 Method for making laminated spacer plate for engines
11/10/1981US4299510 Drill steel and method of fabrication
11/10/1981US4299401 Piston ring and method of making same
11/03/1981US4298155 Method for making an axle spindle
11/03/1981US4297775 Method for joining two plate type heat exchanger core sections with an intermodular layer for improved heat transfer
11/03/1981US4297774 Method for modifying a fluid fuel metering jet orifice
10/1981
10/20/1981US4295768 Chip breaker screws
10/20/1981US4295595 Method of producing magnetron anode
10/20/1981US4295594 Laminated jet pipe receiver plug assembly method and structure
10/20/1981US4295522 Process for the production of a tubular heat exchanger, and a tubular heat exchanger produced according to this process
10/20/1981US4295255 Expanded cooling jacket assembly
10/20/1981CA1110870A1 Cross-flow nebulizer
10/13/1981CA1110431A1 Method of manufacturing a wedge gate valve
10/06/1981US4293618 Sintered body for use in a cutting tool and the method for producing the same
10/06/1981US4293022 Method for continuous casting of metal strips
10/06/1981US4292724 Arrangement for constructing surfaces and bodies
10/06/1981US4292720 Method of making reversing valve construction and parts therefor
10/06/1981US4292717 Method for manufacture of bearings
09/1981
09/29/1981US4291614 Piston and process for its manufacture
09/29/1981CA1109631A1 Method and apparatus for continuous casting of metal strips
09/17/1981WO1981002586A1 Method of cryogenically hardening an insert in an article,and article made thereby
09/15/1981US4288897 Method of producing a nucleate boiling surface on a heat transfer member
09/15/1981US4288896 Method for manufacturing an improved plug valve
09/09/1981EP0035127A1 Method of cryogenically hardening an insert in an article, and article made thereby
09/08/1981US4287749 Tapered extrusion die and method of forming the same
09/01/1981US4286363 Method of assembly for a ball and socket joint
08/1981
08/26/1981EP0034399A2 Method of making a shear blade
08/25/1981US4285754 Method and apparatus for producing planar elements in the construction of surfaces and bodies
08/25/1981US4285113 Method of forming brassiere wires
08/25/1981US4285109 Method of hydrodynamic forming
08/20/1981WO1981002263A1 Method for making a shear blade
08/18/1981US4284687 Wear resistant part, for machining metals
08/18/1981US4283822 Method of fabricating composite nozzles for water cooled gas turbines
08/11/1981US4282782 Method of making rotary die racks
08/11/1981CA1106628A1 High efficiency heat exchanger for refrigeration suction line/capillary tube assembly
08/06/1981WO1981002128A1 Method of forming fiber and metal matrix composite
08/05/1981EP0033143A1 Process for manufacturing turnbuckles
08/05/1981EP0033112A1 Method of manufacturing a cooled valve for internal combustion engines
08/05/1981EP0032965A1 Method of manufacturing heat exchanger elements and device for carrying out this method
08/05/1981EP0032946A1 Disc brake boot seal method and article
08/04/1981US4281709 Thermal heat pump
08/04/1981US4281451 Electric heater -method of making
08/04/1981CA1106159A2 Method for making insert for rebuilding valve guides
07/1981
07/28/1981US4280973 Cutting tool
07/28/1981US4280264 Method for fabricating large diameter gears, gear-blanks and the like
07/22/1981EP0032183A1 A method for producing the body of valves, slides etc.
07/21/1981US4279274 Fluid control device with disc-type flow restrictor
07/21/1981US4279102 Method of manufacturing narrow track ferrite head cores
07/15/1981EP0031866A1 Method of manufacturing a heating device or a heat exchange element
07/14/1981US4277988 Method of manufacturing a contoured stamping die
07/14/1981US4277966 Method of manufacturing a foraminous plate
07/14/1981US4277871 Heat exchanger panels and method of manufacture
07/14/1981US4277869 Stabilizer
07/07/1981US4276788 Process for the manufacture of a drill head provided with hard, wear-resistant elements
07/07/1981CA1104332A2 Clamping mechanism for cutting insert
07/07/1981CA1104331A2 Clamping mechanism for cutting insert
06/1981
06/30/1981US4275493 Method for making a fabric reactor tube
06/23/1981US4274483 Reaction bonding of ferrous metals
06/23/1981US4274309 Method of manufacture of certain hand wrenches and the like
06/23/1981CA1103558A1 Wire blades
06/16/1981US4272927 Method of manufacturing a broaching tool
06/10/1981EP0030042A1 Process for forming the rim of a combustion chamber of a light-metal piston
06/03/1981EP0029741A2 A method of forming a valve body section with integral hub and making a valve body using such body sections
06/03/1981EP0029660A1 Slicing knife and method of making it