BE640805A - - Google Patents
Info
- Publication number
- BE640805A BE640805A BE640805DA BE640805A BE 640805 A BE640805 A BE 640805A BE 640805D A BE640805D A BE 640805DA BE 640805 A BE640805 A BE 640805A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- sheets
- aluminum
- contiguous surfaces
- aluminum alloy
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0012—Brazing heat exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/002—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of light metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
Description
<EMI ID=1.1>
<EMI ID=2.1>
<EMI ID=3.1>
four de préchauffage n'est nécessaire et les frais sont abaissée.
, Un autre but de la présente invention est de procurer
<EMI ID=4.1>
Suivant la présente invention, l'une de deux feuilles d'aluminium ou d'un alliage d'aluminium à souder est revêtue d'une soudure ou bien une feuille de soudure est insérde entre deux feuilles d'aluminium ou d'alliage d'aluminium à souder, les surfaces jointives des feuilles sont peintes par un fondant et
<EMI ID=5.1>
de l'aluminium, dans lequel au moins une des feuilles à souder est revêtue sur sa surface d'un alliage d'aluminium ayant un
<EMI ID=6.1>
deux feuilles étant trempées dans un fondant à l'état fondu. Cependant, un tel procédé présente les désavantages qu'une matiè-
<EMI ID=7.1>
four de préchauffage est nécessaire pour la soudure par trempage en plus du four proprement dit de soudure, qu'une installation .
<EMI ID=8.1>
portante est nécessaire, que le flux est gaspillé en étant déposé sur l'appareil, et qu'il n'est pas facile de laver le flux déposé. Suivant la présente invention, de tels désavantages peu-
<EMI ID=9.1>
Dans la fabrication des évaporateurs réalisés en aluminium pour les réfrigérateurs électriques, on utilise un procède de liaison par rouleau ou un procédé à tubes sur feuille, dans
<EMI ID=10.1>
minium. Toutefois, dans le premier procédé, il est difficile ' d'obtenir des passages uniformes de réfrigérant, il est nécessai-
<EMI ID=11.1>
<EMI ID=12.1>
rouleaux afin de gonfler ces parties formant les pascales, et
<EMI ID=13.1>
me signale, des tubes d'aluminium doivent être Boudes sur une
<EMI ID=14.1>
que ce procède présente le désavantage d'être trop coûteux pour
<EMI ID=15.1>
éliminés suivant la présente invention,
L'invention sera maintenant décrite avec référence aux dessins annexés.
La figure 1 est une vue en élévation d'un évaporateur pour réfrigérateurs électriques, cet évaporateur étant réalise par le procède de la présente invention, La figure 2 est une vue en coupe agrandie, prise suivant la ligne 11-11 de la figure 1. La figure 3 est une vue en coupe agrandie de feuillet avant la soudure par le procède de la présente invention. la figure 4 est une vue en coupe agrandie do feuillet - <EMI ID=16.1>
vexation, dans le cas de la fabrication d'un évaporateur pour réfrigérateurs électriques, sera expliquée avec référence aux
<EMI ID=17.1>
<EMI ID=18.1>
vêtement peut être fondue et que les feuilles peuvent être soudées ensemble.
<EMI ID=19.1>
fondant à utiliser a la composition suivante!
<EMI ID=20.1>
<EMI ID=21.1>
<EMI ID = 1.1>
<EMI ID = 2.1>
<EMI ID = 3.1>
Preheating oven is required and the charges are lowered.
, Another object of the present invention is to provide
<EMI ID = 4.1>
According to the present invention, one of two sheets of aluminum or of an aluminum alloy to be welded is coated with a solder or a solder sheet is inserted between two sheets of aluminum or of an alloy. aluminum to be welded, the contiguous surfaces of the sheets are painted with a flux and
<EMI ID = 5.1>
aluminum, wherein at least one of the foils to be welded is coated on its surface with an aluminum alloy having a
<EMI ID = 6.1>
two sheets being dipped in a fondant in the molten state. However, such a method has the disadvantages that a material
<EMI ID = 7.1>
Preheating furnace is required for dip welding in addition to the actual welding furnace, than an installation.
<EMI ID = 8.1>
load-bearing capacity is necessary, that the flux is wasted by being deposited on the apparatus, and that it is not easy to wash the deposited flux. According to the present invention, such disadvantages can
<EMI ID = 9.1>
In the manufacture of evaporators made of aluminum for electric refrigerators, a roll bonding process or a tube-on-sheet process is used, in
<EMI ID = 10.1>
minimum. However, in the first method, it is difficult to obtain uniform passages of refrigerant, it is necessary.
<EMI ID = 11.1>
<EMI ID = 12.1>
rollers in order to inflate these parts forming the pascales, and
<EMI ID = 13.1>
tells me, aluminum tubes must be Boudes on a
<EMI ID = 14.1>
that this procedure has the disadvantage of being too expensive to
<EMI ID = 15.1>
eliminated according to the present invention,
The invention will now be described with reference to the accompanying drawings.
Figure 1 is an elevational view of an evaporator for electric refrigerators, this evaporator being produced by the process of the present invention, Figure 2 is an enlarged sectional view, taken along the line 11-11 of Figure 1. Figure 3 is an enlarged sectional view of a sheet prior to welding by the method of the present invention. Figure 4 is an enlarged sectional view of the sheet - <EMI ID = 16.1>
annoyance, in the case of the manufacture of an evaporator for electric refrigerators, will be explained with reference to
<EMI ID = 17.1>
<EMI ID = 18.1>
garment can be melted and the sheets can be welded together.
<EMI ID = 19.1>
fondant to use in the following composition!
<EMI ID = 20.1>
<EMI ID = 21.1>
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR954862A FR1375484A (en) | 1963-11-25 | 1963-11-25 | Welding process of aluminum and articles made by this process |
Publications (1)
Publication Number | Publication Date |
---|---|
BE640805A true BE640805A (en) |
Family
ID=8817304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE640805D BE640805A (en) | 1963-11-25 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE640805A (en) |
FR (1) | FR1375484A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2721384B1 (en) * | 1994-06-21 | 1996-10-04 | Electricite De France | Lightweight heat exchanger and method of manufacturing such an exchanger. |
-
0
- BE BE640805D patent/BE640805A/fr unknown
-
1963
- 1963-11-25 FR FR954862A patent/FR1375484A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1375484A (en) | 1964-10-16 |
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