U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 219/78.01 - For bonding with pressure (e.g., resistance welding)


Subclass of Class 219 - Electric heating
Definition: Subject matter relating to the bonding of metal by means
No. of patents: 74
Last issue date: 03/12/2013


1    
NumberTitleIssue Date
8395072Resistance welding quality determination method and resistance welding quality determination apparatus
A resistance welding quality determination method comprises: a step of detecting a voltage value applied to a welding electrode of a resistance welding machine; a step of detecting a current value supplied to the welding electrode; a step of calculating a welding re...
03/12/2013
8357870Intelligent stepper welding system and method
An intelligent stepper system and method for controlling weld current in a welding operation includes a welder welding a plurality of spot welds in succession and a controller incrementally increasing the weld current by a first fixed amount or percentage at each of...
01/22/2013
8288676Nut supply apparatus to bonding machine
A supply chute 11 has a nut send-in port 14 at its upper end, and is composed of an inclined chute 12 inclined obliquely downward, and a curved chute 13 coupled to the lower end of the inclined chute 12 and curved like an arc obliq...
10/16/2012
8253056Resistance welding method and resistance welding apparatus
A resistance welding apparatus includes a welding gun having a first electrode tip serving as a first welding electrode, a second electrode tip serving as a second welding electrode, and a current branching electrode. The current branching electrode has an annular s...
08/28/2012
8237078Multiple welding gun system
A multiple welding gun system includes a plurality of welding guns, simultaneously performing welding operations, mounted to a robot arm of a welding robot and a pitch changing device as a space adjusting device disposed between the plurality of welding guns. The pi...
08/07/2012
7893381Welding set of metal member including permanent magnet and welding method thereof, as well as electric rotating machine
A welding set and a welding method that suppresses the unnecessary magnetization of a permanent magnet member by a welding current when welding one metal member including a permanent magnet member and the other metal member together are obtained. The welding set is ...
02/22/2011
7468493Method of connecting aluminum alloy die cast member
A method of connecting a plurality of aluminum alloys molded as a die cast member while maintaining the molded shape of the alloy is provided. An intermediate material in the form of plate or powder made of aluminum alloy is allowed to intercalate between mutually c...
12/23/2008
7392929Weldable synthetic material
A synthetic material is applied to a structure of an article of manufacture such as an automotive vehicle. Typically, the material assists in or at last does not interfere with manufacturing steps applied to the article of manufacture. ...
07/01/2008
7216792Self assembled nano-devices using DNA
An article of manufacture including an organic structure and inorganic atoms bonded to specific locations on the organic structure. ...
05/15/2007
7203133Ultrasound sensor system
The invention relates to an ultrasound sensor system, especially for a welding electrode, comprising a sensor (5, 6, 7, 10) which, during the detection process, passes ultrasonic waves of a desired oscillation mode into areas to be detected and/or detects ult...
04/10/2007
7189274Exhaust gas filter with at least one filter layer and method for producing a filter layer
An exhaust gas filter for cleaning an exhaust gas of an internal combustion engine includes at least one strip-shaped filter layer made of a material through which a fluid can at least partly flow. The filter layer has a length in a longitudinal direction and a widt...
03/13/2007
6995332Resistance welding method and structure of resistance welding part, and method for manufacturing electronic component and electronic component
The present invention provide a resistance welding method for solving the problem of breakage of the welded portion by corrosion of an iron-copper alloy layer having a poor corrosion resistance formed at the welding portion, when a first metallic member comprising a...
02/07/2006
6875947Method of manufacturing a welding stud
The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mounting port...
04/05/2005
6723943Manufacturing metallic strip for packaging having a coating made up of a metallic layer and a polymer film, and the strip obtained
Process for manufacturing metallic strip for packaging comprising strip steel covered on at least one of its faces with a coating containing a sub-layer of tin and an external film of polymer, according to which: on one hand, a layer of tin is deposited on at...
04/20/2004
6674042Method and device for forming porous metal parts by sintering
A process for forming metal components of controlled porosity by welding, in which a predetermined amount of metal elements (50) of oblong shape is introduced into a mold (10) in which it is distributed isotropically. The metal elements are then subjected...
01/06/2004
6627840Method and means for processing butt welds
A method and machine for deburring the burr which is formed when wires are butt welded is disclosed. The machine comprises a deburring head which has a pair of opposed deburring rollers mounted thereon. Each of the rollers has a milled surface formed ther...
09/30/2003
6613999Method of joining a sintered hard alloy member to a stainless steel member and method of making a cutting tool therefrom
A method of joining a sintered hard alloy member 1 such as a cylindrical rod-shaped twist drill bit blank made of material whose main component is tungsten carbide to a softer metal member such as a stainless steel shank 2 includes the steps of connecting...
09/02/2003
6605794Methods for resistance cladding and welding on hot crack susceptible materials
Electrical resistance welding with low heat input in conjunction with applied forces effecting compressive forces in the weld are utilized to weld materials sensitive to hot cracking. An electrode coupled with a force applicator performs a low heat input ...
08/12/2003
6596959Method of manufacturing a welding stud
The invention relates to a method of manufacturing a welding stud from a wire by cold-working and by hardening and tempering. The welding stud particularly serves to be welded to a workpiece by means of an electric stud welding method and consists of a mo...
07/22/2003
6574411Bonding optical fibers to substrates
A method is disclosed for securing an optical fiber to a packaging substrate with a bismuth-containing alloy of solder. For this purpose, the substrate may be provided with metallic pads or a blanket metallization to which the alloy or solder can adhere a...
06/03/2003
6552292Metal welding method and metal bonding structure
When a seat (3) (FIG. 6A) on which a wax layer (7) is formed via a melting reaction layer (5) is brought into contact with a head (2) and heated and pressed in this state, a melting reaction layer (6) forms below the wax layer (FIG. 6B). When electric cur...
04/22/2003
6460007Method and apparatus for determination of resistance spot welded flange width
A data processing system is provided for determining a minimum flange length for a joint to be welded by resistance spot welding. In particular, the data processing system utilizes data for a preselected weld electrode and a set of joint data representati...
10/01/2002
6417479Wire changing in an armature winder
Methods and apparatus for replacing an old wire threaded through a flyer winder with a new wire are provided. A first end of the old wire is connected to a first end of the new wire. The wires may be connected by twining, clamping, welding or the like. A ...
07/09/2002
6307173Weld gun arm casting
An alloy for making weld gun arm castings comprises about 0.35 to 0.8 wt. % Be, about 0.2 to 0.9 wt. % Co and about 1.5 to 2.4 wt. % Ni, with the balance being Cu and incidental impurities, the (Ni+Co)/Be ratio in the alloy being at least about 4....
10/23/2001
6259052Orbital friction stir weld system
This invention is an apparatus for joining the ends of two cylindrical (i.e., pipe-shaped) sections together with a friction stir weld. The apparatus holds the two cylindrical sections together and provides back-side weld support as it makes a friction st...
07/10/2001
6255617Mold for making battery electrode
An improved bushing mold is disclosed for an apparatus for welding a battery terminal post to a battery bushing. The battery terminal post is electrically connected to a battery plate disposed within a battery case and the battery bushing is secured to a ...
07/03/2001
6222152Electric heating treatment method, electric heating treatment apparatus, and electrode for electric heating treatment apparatus
Quality localized surface treatment such as remelting a surface portion of a work by electric heating can be achieved easily by supplying electric current between an energization electrode and the work while holding the distal end portion of the energizat...
04/24/2001
6127652Wire changing in an armature winder
Methods and apparatus for replacing an old wire threaded through a flyer winder with a new wire are provided. A first end of the old wire is connected to a first end of the new wire. The wires may be connected by twining, clamping, welding or the like. A ...
10/03/2000
6025569Magazine and a stud advancing system for use with a manual stud welding tool
A system for automatically feeding studs to the electrode of a manual stud welding tool. The system comprises a magazine associated with the tool. The magazine receives a tandem row of studs mounted in and collated by a disposable mounting and collating s...
02/15/2000
5742020Valve seat-bonded cylinder head and method for producing same
A valve seat-bonded cylinder head, in which a valve seat is bonded to a cylinder head unit, which valve seat is formed of material different from and harder than that of said cylinder head unit, wherein the valve seat is bonded to the cylinder head unit b...
04/21/1998
5530313Spark plug with copper cored ground electrode and a process of welding the electrode to a spark plug shell
The present invention includes a spark plug with a copper cored ground electrode wherein the copper core has a cross-sectional area of about 1.6 mm2 to about 3.0 mm2 and the remainder of the electrode is made from a nickel alloy shea...
06/25/1996
5393951Flexible jumper and method of making
A flexible laminated jumper is formed from a stack of half hard tempered copper sheets. Contact plates are clamped to opposite sides of one end of the stack, such plates being provided with short stress relief sections away from the end of the stack. The ...
02/28/1995
5361693Tungsten carbide welded printer tips
A process and apparatus for welding a tungsten carbide printing tip of a dot matrix printer to a hammerspring by holding the hammerspring in a fixture with a first electrode in adjacent relationship thereto and a second electrode in adjacent relationship ...
11/08/1994
5187340Method for welding at least one region of an overlay sheet to a receiving surface of a carrier layer
A method for welding at least one region of an overlay sheet (16) to a receiving surface of a carrier layer (14) by means of high frequency energy. In the method, on the surface remote from the receiving surface of the carrier layer (14) a foil (12) of el...
02/16/1993
5165305Hermetically sealed flywheel and method of making the same
A flywheel assembly adapted to act also as a high inertia journal bearing in a canned pump or the like is composed of an annular core of heavy metal material which is hermetically sealed in a stainless steel casing formed by a number of enclosure pieces w...
11/24/1992
5134269Grid welding machine operating according to the electrical resistance welding principle
In a grid welding machine with a horizontal longitudinal wire guide path (4) and transverse wire feeders (27, 28) arranged above and below the latter and transverse rows of active welding electrodes (7, 8), the two rows of electrodes (7, 8) are moved up o...
07/28/1992
5105060Automatic feed system for parts to be welded
This feed system comprises: feed device for feeding a part to be welded, which can be inserted into a hole of a work, to the vicinity of an electrode of a welder; chuck for removably chucking the part fed by the feed means; first transfer device for trans...
04/14/1992
4960968Bonding method of binding strap end portions by spot-welding
A method for bonding overlapped end portions of a binding strap encircled about articles to be bound and tightened to a tensioned state by means of a gripper disposed at a gripping station for gripping a leading end portion of the binding strap, and drive...
10/02/1990
4922072Wire connecting method
A method of connecting a relatively large diameter, multistrand wire with a relatively small diameter wire. The method comprises: (1) Flattening a portion of the large diameter, multistrand wire into a body of reduced first transverse dimension and an inc...
05/01/1990
4921568Moving head high frequency resistance welding system
In a high frequency resistance welding system useable with massive or spatially extensive workpieces, the welding head is transported over weld areas by gantry means to provide high speed, high quality welds at appreciably less cost and with quality compa...
05/01/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?