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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 219/637 - Rod


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the heating is applied to an elongated
No. of patents: 34
Last issue date: 03/08/2011


NumberTitleIssue Date
7902487Systems for reducing slow roll
For a shaft of an electric motor with a runout sensing area, an electrical runout value for the runout sensing area is determined, the shaft is rotated and the runout sensing area of the shaft is heated sufficient to reduce the electrical runout value. ...
03/08/2011
7767940Device and method for drying electrode coating
A device for at least partially drying the outer coating on a stick electrode in the form of a generally straight center welding wire of magnetic metal with an axis and surrounded by an extruded pliant mass with a settable binder. The device comprises a conveyor to ...
08/03/2010
7337644Assembled workstation
A workstation has a base, a conveying device, a driving assembly and a working device. The base is composed of multiple supporting frames. The conveying device is mounted on the base and has a rail, a moving base, a motor, a pushing rod and two rotating rods. The ro...
03/04/2008
7253381Multi-frequency heat treatment of a workpiece by induction heating
An apparatus and process are provided for multi-frequency induction heat treatment of workpieces including gears. High frequency power is applied to an induction coil that surrounds the workpiece so that a high frequency magnetic field couples with the workpiece to ...
08/07/2007
7164100High-frequency de-icing of cableways
High-frequency AC voltage with a frequency in a range of from 60 to 100 kHz supplied from a power source at 3 to 15 kV is applied to an electrical conductor within about 30 cm of a cableway. The high-frequency AC voltage generates an alternating electric field. Capa...
01/16/2007
7084381Method and apparatus for controlling part movement
There is disclosed herein an apparatus and a method in which a workpiece is loaded into the apparatus and the apparatus then moves and positions the workpiece in a multitude of directions based upon the directions and controls supplied to the apparatus through eithe...
08/01/2006
7060951Apparatus for the clamping of a rotary tool in a tool holder
To set the length of a rotary tool (1a), to be thermally shrunk in place in a tool holder (7a), by means of an inductive heating device (15a), a setting device is provided with a positioning holder (61) for the rotary...
06/13/2006
6963057Simultaneous induction heating of multiple workpieces
Multiple workpieces are inductively heated by passing them through one or more induction heating coils. Passage of a section of each workpiece through a coil may oscillate in the forward and reverse directions, independent of the movement of the other workpieces, on...
11/08/2005
6822206Device for the inductive heating of a toolholder
The induction coil of a device that heats a toolholder (1) inductively for the tool change comprises a shielding collar (27) of magnetizable material which, firstly, concentrates the magnetic flux of the induction coil (13) in a sleeve section (...
11/23/2004
6635856Billet induction heating
A plurality of billets are inductively heated in a staged process wherein the output current of a power supply is repeatedly time shared among a plurality of induction coils within which the plurality of billets have been placed. The time periods of the a...
10/21/2003
6384388Method of enhancing the bending process of a stabilizer bar
A method of enhancing the bending process of a stabilizer bar by locally pre-heating the stabilizer bar immediately prior to formation. By pre-heating the stabilizer bar, the stress in the stabilizer bar is relieved at the bending areas. This allows large...
05/07/2002
5844212Dual surface heaters
A dual plate heater provides two parallel temperature self-regulating heater plates or wire mesh comprising ferromagnetic material with one or more electrically energized coils parallel to and located between the heater plates which coil(s) when energized...
12/01/1998
5630958Side entry coil induction heater with flux concentrator
An induction heater for heating a portion of a load comprises a side entry coil driven by a source of alternating current, with a flux concentrator located at the coil opening. The coil produces a magnetic field in the region occupied by the flux concentr...
05/20/1997
5528020Dual surface heaters
A dual plate heater provides two parallel temperature self-regulating heater plates or wire mesh comprising ferromagnetic material with one or more electrically energized coils parallel to and located between the heater plates which coil(s) when energized...
06/18/1996
5414246Apparatus for scaleless induction heating
A method and apparatus for carrying out scaleless inductive heating of ferrous parts comprising (i) using an integrated manifold-inductor quenchant device, and while gradually flowing a diluted combustible gas into the spacing between the inductor and par...
05/09/1995
5412183Method and devices for induction heating during the passage of a metallurgical product of elongated shape
The product (11) is in relative motion in the direction (12) of its axis with respect to at least one magnetic inductor (10, 10'). The metallurgical product (11) is subjected to at least two magnetic fluxes (19, 19') having non-parallel directions which a...
05/02/1995
5412184Industion heating tool
A jaw-like cylindrical tool for producing a strong electromagnetic field for causing a Curie point heater to be energized having a curved cross-section that brings the two edges of the jaw-like structure into contact. Closely spaced conductors lie along t...
05/02/1995
5389765Arrangement for severing the tension member of a soil anchor at a predetermined location by induction heating
An arrangement for severing a tension member of a permanent soil anchor of ferromagnetic material at a predetermined location includes a coil surrounding the tension member in a tubular manner at the predetermined location, wherein the coil is mountable t...
02/14/1995
5373143Apparatus and method of measuring temperature
A method and apparatus for measuring the temperature and heating rate of a workpiece during the induction heating cycle by inducing and detecting a plurality of eddy current pulses at varying frequencies during a short power interruption to the induction ...
12/13/1994
5288960Process and apparatus for thermal cutting of workpieces
Process and apparatus for thermal cutting of workpieces, such as plate, made of materials which can be melted or decomposed thermally by means of a stream of liquid heated to a temperature above the melting or decomposition temperature of the workpiece to...
02/22/1994
5034588Induction shaft heat treatment apparatus
Shaft heat treatment apparatus includes a heat treatment station having a path through which a shaft travels in an axial direction while rotating for heat treating successive axial increments thereof. The shaft is supported by a pair of opposing support j...
07/23/1991
4859823Electric induction heater
In an electric induction furnace for heating a bar-shaped workpiece, wherein the workpiece has a longitudinal axis and is conveyed through the furnace in a conveying direction orthogonal to the longitudinal axis, an induction coil comprises a continuous c...
08/22/1989
4755648Cyclical, multiple frequency high-frequency induction heating apparatus
A high-frequency induction heating apparatus for heating a material includes a voltage source, a high-frequency inverter coupled to the voltage source for feeding an alternating current, and a coil for applying the current to the material to induce eddy c...
07/05/1988
4687893Method of soldering a metal electrode to an electrically conductive silicone carbide ceramic element
The invention relates to a method for soldering a metal electrode to an electrically conductive silicon carbide ceramic element and to a silicon carbide ceramic element made in accordance with the method. Silicon is used as the solder which provides a goo...
08/18/1987
4673781Electromagnetic induction device for heating metal elements
An electromagnetic induction apparatus for heating metal elements has at least one flat loop magnetic circuit open at its two facing ends, with an inductor wound onto the magnetic circuit. The inductor has two windings wound onto the magnetic circuit, res...
06/16/1987
4639567Method and apparatus for melting rod-shaped material with an induction coil
Method and apparatus for melting rod-shaped material 12. This is continuously displaced in the direction of the rod axis towards an induction coil (5), disposed at the lower end (12a) of the rod, which has an opening coaxial with the rod and which is supp...
01/27/1987
4577081Heating nonmagnetic metal workpieces
Method and apparatus for heating a billet of nonmagnetic metal material to forging temperature by first preheating the billet in a high efficiency slot-type electric radiant heat furnace to a preheat temperature a substantial level below the forging tempe...
03/18/1986
4503308Apparatus for preparing rod stock for forging in manufacture of sucker rods
Straightened rods are withdrawn singly from a table by a carousel apparatus and advanced against a stop which is then withdrawn. Solenoid-coil induction-heating apparatus then raises the end of the rod to forging temperature and retains it at such tempera...
03/05/1985
4482793Apparatus for simultaneously heating a plurality of elongated workpieces
A device for inductively heating simultaneously and alike a plurality of identical elongated workpieces each having at least two axially spaced portions, to produce identical predetermined heat profiles in the workpiece throughout their longitudinal exten...
11/13/1984
4481398Multi-directional oscillating breakoff mechanism for separating billets
A conveyor for removing billets from an induction heating furnace and for separating them from following billets to which they may have become adhered employs a roller having a contoured surface. The roller is rotatably mounted about an axis skewed relati...
11/06/1984
4468549Induction heater arrangement for forging bar stock
An induction heating arrangement for heating an end length of a forging bar following the cut-off therefrom of a previously heated and forged end length is arranged to heat the end length to a uniform temperature despite the existence of a residually heat...
08/28/1984
4317978Induction heater arrangement for forging bar stock
An induction heating system for heating an end length of a forging bar following the cut-off therefrom of a previously heated and forged end length is arranged to bring the end length to be heated to a uniform temperature despite the existence of a residu...
03/02/1982
4258241Slot furnace for inductively heating axially spaced areas of a workpiece
An induction heating inductor is provided for use in a slot type of furnace to heat axially spaced portions of an elongated workpiece. This inductor includes first and second generally rigid, elongated input members normally fixed with respect to each oth...
03/24/1981
4227061Method and apparatus for cladding a metal rod with another metal
A metal rod is supplied to a pair of bonding rolls provided with peripheral grooves forming a substantially circular roll pass that also receives at opposite sides of the rod a pair of metal strips of a different metal than that of the rod. The rolls pres...
10/07/1980
 
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