Oxyacetylene cutting apparatus

F - Mech Eng,Light,Heat,Weapons – 23 – D

Patent

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Details

F23D 14/42 (2006.01) F23D 14/54 (2006.01)

Patent

CA 2290669

The invention concerns an oxyacetylene cutting apparatus comprising a support element (10) produced from a stainless steel block which cannot be deformed, a heating element (20) permanently fixed against a bottom surface (19) of the support element (10), which heating element is produced from a massive copper block wherein are provided passages for gas fluids and the cooling fluid which communicate directly with the support element (10) corresponding conduits. At least one nozzle (30) is precisely positioned in two coaxial bores (31, 32) provided in the support element (10) and the heating element (20) respectively, the nozzle being connected to a conduit (14.6) supplying oxygen for cutting. A retaining element (40) is preferably used to enhance the precise positioning of the nozzle (30).

Un chalumeau d'oxycoupage robuste et permettant une précision d'usinage élevée, comportant un élément de support (10) réalisé à partir d'un bloc indéformable en acier inox, et un élément de chauffe (20) fixé à demeure contre une face inférieure (19) de l'élément de support (10), lequel élément de chauffe est réalisé à partir d'un bloc massif en cuivre dans lequel sont ménagés des passages pour les fluides gazeux et le fluide de refroidissement qui communiquent directement avec les conduites correspondantes de l'élément de support (10), au moins une tuyère (30) étant positionnée avec précision dans deux alésages coaxiaux (41, 32) respectivement prévus dans l'élément de support (10) et l'élément de chauffe (20), la tuyère étant raccordée à une conduite (14.6) d'alimentation en oxygène de coupe.

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