Electric heating – Heating devices – Tool or instrument
Patent
1997-03-27
1999-08-31
Leung, Philip H.
Electric heating
Heating devices
Tool or instrument
228 51, H05B 100
Patent
active
059450150
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a hand soldering device.
More particularly, the invention relates to a hand soldering device including a heat insulating handle part, a soldering tip and a heating device, by means of which the soldering tip can be heated to particular soldering temperature, whereby in the handle part and/or in the region of the heating device at least two reception chambers are provided.
BACKGROUND OF THE INVENTION
A hand soldering device of the type mentioned is known (FR 2 637 520 Al), which device is designed to be in substantially rod-shaped form and has two reception chambers. One of the reception chambers is designed as a soldering chamber and serves for receiving the soldering material. The soldering chamber is designed to be somewhat cylindrical and has a press plunger, which is springloaded and is displaceable in the soldering chamber. The soldering chamber furthermore is provided in the region of a heating arrangement, which serves for heating both the soldering tip as well as the soldering chamber to a predetermined soldering temperature. The soldering material, which is heated in the soldering chamber by means of the heating arrangement and is liquified, arrives by way of a manually operable supply valve and by way of an associated solder supply channel, which joins the soldering tip to the soldering chamber, to the front end of the soldering tip. The second reception chamber is designed cylindrically and is designed as storage chamber for receiving a flux, whereby it also has a springloaded pressing piston. By means of a second manually operable supply valve, flux arrives to the soldering position simultaneously with the first supply valve of the soldering chamber by way of a second tubular conduit on the operated supply valve. The tubular conduit of the storage chamber thereby is bent off in the region of the end of the soldering tip towards the soldering tip so that the flux simultaneously can be supplied with the soldering material by operation of the supply valves to the soldering position. The two reception chambers are integratedly arranged in the hand soldering device and cannot be exchanged. For refilling, the reception chambers are respectively provided with an outer supply opening, by way of which respectively soldering material or flux can be charged through an outer supply opening. For refilling soldering material or flux the two pressing pistons respectively can be withdrawn by means of a pull rod against the spring force of respectively one of the compression springs into their respective starting position. The respective pressing force of the two compression springs thereby is adjustable in axial direction by means of an adjustable adjustment screw. The pull rods of the respective pressing pistons thereby are arranged in an associated through hole of the associated adjustment screw and project beyond the adjustment screw respectively outwardly so that they can be manually operated.
The known hand soldering device is intended for simple soldering of constructional parts, in that a one hand operation of the hand soldering device is possible due to the simultaneous supply soldering material and flux through the hand soldering device. However, in the case of manual soldering work, it often happens that in particular excessive soldering material arrives to the soldering position, which subsequently has to be removed therefrom. Furthermore in the case of repair work also partially individual constructional parts are to be soldered off from a sheet bar and are to be replaced by a repeated soldering procedure by of corresponding spare parts. Thus for these working operations for removing excessive soldering material or for desoldering, a separate suction arrangement or desoldering arrangement must be provided. This means that increased work for the operating personnel because the working device has to be exchanged for suction and for desoldering. Furthermore increased investment costs for the operation result because for this suction off of ex
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patent: 3393856 (1968-07-01), Fortune
patent: 3443734 (1969-05-01), Fortune
patent: 3484033 (1969-12-01), Sachs
patent: 4187972 (1980-02-01), Vella
patent: 5031817 (1991-07-01), Chen
patent: 5151574 (1992-09-01), Urban
Leung Philip H.
Patel Vinod D
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