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Priority claimed from FR8714185Aexternal-prioritypatent/FR2621906B1/en
Application filed by Saint-Gobain VitragefiledCriticalSaint-Gobain Vitrage
Publication of SI8811912ApublicationCriticalpatent/SI8811912A/en
Publication of SI8811912BpublicationCriticalpatent/SI8811912B/en
Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products
(AREA)
Claims (9)
1 Patentni zahtevki 1. Hladilni plošči naprave za kaljenje in morebiti za hkratno bombiranje z dotikom steklenih plošč debeline od 1 do 10 mm, pri kateri sta hladilni plošči (3, 4) prekriti s tamponom (5), označeni s tem, da je vsaj površina tampona (5), ki je neposredno v dotiku s steklom, izvedena iz plasti (8) s toplotno upornostjo med okoli 0,25.10'3Ψ'^2Κ in 10-2W-im2K iz niti, katerih premer je manjši od 50 μιη in prednostno večji od 15 μιη in med katerimi so vsaj nekatere niti kovinske in, kjer je primemo, druge oglene.1 Patent Claims 1. The cooling plate of the quenching device and possibly simultaneous bombardment by contacting glass plates of thickness from 1 to 10 mm, wherein the cooling plates (3, 4) are coated with a tampon (5), characterized in that at least the surface of the tampon (5) directly in contact with the glass is made of a layer (8) with a thermal resistance between about 0.25.10'3Ψ '^ 2K and 10-2W-im2K from threads whose diameter is less than 50 μιη and preferably greater than 15 μ, and among which at least some are metal threads and, where applicable, other carbon.2. Hladilni plošči po zahtevku 1, označeni s tem, da ima plast (8) toplotno upornost med 0,25.lO^itfK in 2,5.10^-½¾.Cooling chambers according to claim 1, characterized in that the layer (8) has a thermal resistance between 0.25 lO ^ ffK and 2.5.10 ^ -l1.3. Hladilni plošči po enem izmed predhodnih zahtevkov, označeni s tem, da so niti prepletene, tkane, pletene, sintrane, vpletene ali razporejene v pramene, ki so prav tako prepleteni, tkani, pleteni, vpleteni ali pa sintrani.Cooling chamber according to one of the preceding claims, characterized in that the threads are interlaced, woven, knitted, sintered, engaging or arranged in strands which are also interlaced, woven, knitted, engraved, or sintered.4. Hladilni plošči po enem izmed predhodnih zahtevkov, označeni s tem, da je toplotna upornost plasti (8) privedena na željeno vrednost v teku kaljenja z dotikom s prilagajanjem pritiska ob pritiskanju hladilnih plošč (3, 4) ob steklene plošče.Cooling chamber according to one of the preceding claims, characterized in that the thermal resistance of the layer (8) is brought to the desired value during the touch germination process by adjusting the pressure when pressing the cooling plates (3, 4) against the glass plate.5. Hladilni plošči po kateremkoli izmed predhodnih zahtevkov, označeni s tem, da tampon (5) obsega spodnjo plast (9), katere Youngov modul je med 0,1 MPa in 100 MPa in je prednostno med 0,5 MPa in 20 MPa.Cooling chamber according to any one of the preceding claims, characterized in that the tampon (5) comprises a lower layer (9), the Youngov module of which is between 0.1 MPa and 100 MPa and is preferably between 0.5 MPa and 20 MPa.6. Hladilni plošči po zahtevku 5, označeni s tem, da ima spodnja plast (9) v smeri, ki je pravokotna na hladilni plošči (3,4), toplotno prevodnost večjo od 2 Wm1K'1 prednostno okoli 4 Wm'1K'1, torej toplotno upornost, ki je znatno šibkejša od le-te za plast (8). 2Cooling chamber according to claim 5, characterized in that the lower layer (9) is in the direction perpendicular to the cooling plate (3, 4), the thermal conductivity is greater than 2 Wm1K'1, preferably about 4 Wm'1K'1 , that is, thermal resistance, which is considerably weaker than that for the layer (8). 27. Hladilni plošči po zahtevku 6, označeni s tem, da ima spodnja plast (9) anizotropno zgradbo, ki ji omogoča prevodnost, povečano v smeri, ki je tangentna na hladilni plošči (3, 4) in je po velikosti vsaj 10-krat večja od prevodnosti v drugi smeri.Cooling chamber according to claim 6, characterized in that the lower layer (9) has an anisotropic structure, which allows it to conduct conductivity increased in a direction that is tangent to the cooling plate (3, 4) and is at least 10 times the size greater than the conductivity in the other direction.8. Hladilni plošči po zahtevku 7, označeni s tem, da je spodnja plast (9) iz ekspandiranega grafita in je izvedena z debelinami med 0,2 mm do 4 mm in prednostno 0,5 mm do 2,5 mm.Cooling chamber according to claim 7, characterized in that the lower layer (9) is made of expanded graphite and is made of thicknesses between 0.2 mm to 4 mm and preferably 0.5 mm to 2.5 mm.9. Hladilni plošči po enem izmed predhodnih zahtevkov, označeni s tem, da sta hladilni plošči (3, 4) iz materiala z nizko vrednostjo razmerja med linearnim dilatacijskim koeficientom in toplotno prevodnostjo, predvsem iz grafita.Cooling chamber according to one of the preceding claims, characterized in that the cooling plates (3, 4) are made of a material with a low value of the ratio between the linear dilatation coefficient and the thermal conductivity, especially from the graphite.
SI8811912A1987-10-141988-10-13Cooling plates of hardening device
SI8811912B
(en)