ES172832U - Heating element that can serve mold. (Machine-translation by Google Translate, not legally binding) - Google Patents
Heating element that can serve mold. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES172832U ES172832U ES0172832U ES172832U ES172832U ES 172832 U ES172832 U ES 172832U ES 0172832 U ES0172832 U ES 0172832U ES 172832 U ES172832 U ES 172832U ES 172832 U ES172832 U ES 172832U
- Authority
- ES
- Spain
- Prior art keywords
- perforated plate
- concrete
- heating
- heating element
- order
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/242—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening by passing an electric current through wires, rods or reinforcing members incorporated in the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
A heating element that can serve as a mold and that is characterized by the fact that it is constituted by a mass of concrete of relatively reduced thickness, in which a perforated plate is embedded that serves at a time of armor and heating resistance, and housed at a distance of the order of 1 to 2 cm of heating wall of said element, said mass comprising, on the side opposite said perforated plate, a cavity intended to be filled with an appropriate term insulation and on which the emptying is effected of said concrete, but also being of constant thickness and emptying its non-heating face on a plate of thermal insulation of equally constant thickness; that the gravel that forms part of the aggregate incorporated in the constituent concrete of said heating element is formed by particles of a maximum diameter lower than that of the holes of said perforated plate; that these holes represent a fraction of the total area of said perforated plate between 30 and 70% and, preferably, of the order of 50%; that the thickness of said sheet is between 4/10 mm and 1 mm; that the ends of this sheet are provided so that they can be connected to the secondary of a single-phase power transformer to one of the secondaries of a polyphase transformer; and that the coefficient of thermal expansion of the constituent concrete of said element is of the order of 12 microns parameter and per degree centigrade. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR155499 | 1968-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES172832U true ES172832U (en) | 1972-02-16 |
| ES172832Y ES172832Y (en) | 1972-09-01 |
Family
ID=8651315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES1969172832U Expired ES172832Y (en) | 1968-06-18 | 1969-06-18 | HEATING ELEMENT THAT CAN SERVE AS A MOLD. |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES172832Y (en) |
| FR (1) | FR1582130A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010046924A1 (en) * | 2010-09-29 | 2012-03-29 | Benno Drössler GmbH & Co. Bauunternehmung KG | Method and device for producing thin-walled concrete slabs |
-
1968
- 1968-06-18 FR FR1582130D patent/FR1582130A/fr not_active Expired
-
1969
- 1969-06-18 ES ES1969172832U patent/ES172832Y/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1582130A (en) | 1969-09-26 |
| ES172832Y (en) | 1972-09-01 |
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