Masking apparatus for use in coating an article of manufacture
阅读：709发布：2022-07-28
专利汇可以提供Masking apparatus for use in coating an article of manufacture专利检索，专利查询，专利分析的服务。并且Method and apparatus for selectively masking surfaces of various length stator cores or the like, while other selected surfaces are being coated by a fluidic controlled coating nozzle. A circumferential series of ribs on a core support structure sandwich ported pads which pass coolant fluid to the selected core surfaces to prevent coating material buildup on the core. The ported pads are provided with laterally extending grooves at spaced longitudinal locations along their outer surface to restrict conductive heat transfer longitudinally therealong. Insulation between the ribs and pads restrict the conductive transfer of heat from the pads to the ribs. Fluid control signals to the coating nozzle selectively direct coating material through the nozzle to the other core surfaces or return the constantly flowing coating material to the pulverant coating material storage and supply area.，下面是Masking apparatus for use in coating an article of manufacture专利的具体信息内容。
1. Apparatus for masking selected surfaces of an article of manufacture having at least one passageway therethrough, while other selected surfaces are being coated with a desired material, said apparatus comprising: a coolant transmitting and article support structure disposed in adjacent relationship with a contour surface of the article and having an interior region, a plurality of coolant emission ports formed in said coolant transmitting and article support structure for directing pressurized cooling fluid from the interior region of the coolant transmitting and article support structure toward the article, said ports being spaced apart at locations circumferentially around the article support structure and longitudinally along the article support structure, the ports defining a preselected flow path for the discharge of pressurized coolant from the interior region of said coolant transmitting and article supporT structure, said coolant transmitting and article support structure including control means for selectively restricting the admission of pressurized coolant to those ports disposed along a predetermined portion of the article support structure adjacent to which an article is supportable to provide for selective regulation of the flow path to the emission ports during operation of the apparatus to assist in providing a predetermined masking action with respect to a given article of manufacture; said control means comprising a control member mounted to move longitudinally along the interior region of the coolant transmitting and article support structure; said coolant transmitting and article support structure including a tubular member, and said control means and tubular member being telescopically movable relative to one another whereby ports along said predetermined portion of the article support structure are selectively supplied with pressurized cooling fluid.
2. The apparatus as claimed in claim 1 wherein the coolant transmitting and article support structure further includes a member adapted to support a dynamoelectric machine core having the coolant emission ports therein, and the control means comprises a sleeve valve movably positioned within the interior region of the coolant transmitting and article support structure and adjacent to said member for selectively sealing a predetermined number of coolant emission ports and thereby regulating the admission of coolant thereto.
3. The apparatus as claimed in claim 2 wherein the sleeve valve is calibrated and includes means related to the size of the given article of manufacture for indicating the position of the sleeve valve relative to the member to assist in the selective regulation of the discharge of coolant from the coolant emission ports.
4. The apparatus as claimed in claim 1 wherein the coolant transmitting and article support structure includes a member having a contoured surface for supporting an article of manufacture with the emission ports opening along said contoured surface, the control means includes a sleeve valve slidably and sealably movable interiorly of said member, and the control means further includes abutments extending through at least some of said ports for engaging an article of manufacture supported on the contoured surface.
5. The apparatus as claimed in claim 1 wherein the coolant transmitting and article support structure comprises a plurality of separated ported elements and insulation positioned between adjacent ones of the separated ported elements to restrict the conductive transfer of heat through the insulation.
6. Apparatus for masking selected surfaces of an article of manufacture having at least one passageway therethrough, while other selected surfaces are being coated with a desired material, said apparatus comprising: a coolant transmitting and article support structure disposed in adjacent relationship with a contour surface of the article, a plurality of coolant emission ports formed in said coolant transmitting and article support structure for directing pressurized cooling fluid toward the article, the ports defining a preselected flow path for the discharge of pressurized coolant from said coolant transmitting and article support structure, said coolant transmitting and article support structure including control means for selectively regulating the flow path from the emission ports during operation of the apparatus for the discharge of pressurized coolant to assist in providing a predetermined masking action with respect to a given article of manufacture, and said coolant transmitting and article support structure comprising a plurality of separated ported elements and insulation positioned between adjacent ones of the separated ported elements to restrict the conductive transfer of heat through the insulation; at least some of the ported elements including laterally extending grooves formed at spaced longitudinal locations along the elements for restrictiNg the conductive transfer of heat longitudinally along the elements.
7. Apparatus for supporting a heated article of manufacture having at least one passageway therethrough and for assisting in providing a predetermined masking of selected surfaces of the article while other selected surfaces are being coated with a desired material, said apparatus comprising: article support structure disposed in adjacent relationship with a contour surface of the heated article and means for cooling the support structure, the support structure comprising a plurality of longitudinally extending pads engageable with the heated article during operation of the apparatus, a plurality of longitudinally extending ribs to assist in masking and preventing buildup of the desired material on at least some of the selected surfaces of the article, means for securing the longitudinally extending pads between adjacent pairs of the ribs, and means for restricting the conductive transfer of heat by the pads whereby a desired temperature gradient is maintained between a heated article and the support structure, the means for restricting the conductive transfer of heat by the pads comprising laterally extending grooves located at longitudinally spaced locations along the pads.
8. The apparatus as claimed in claim 7 wherein the grooves are spaced to correspond to dimensions of given articles of manufacture.
9. Apparatus for supporting a heated article of manufacture having at least one passageway therethrough and for assisting in providing a predetermined masking of selected surfaces of the article while other selected surfaces are being coated with a desired material, said apparatus comprising: article support structure disposed in adjacent relationship with a contour surface of the heated article and means for cooling the support structure, the support structure comprising a plurality of longitudinally extending pads engageable with the heated article during operation of the apparatus, a plurality of longitudinally extending ribs to assist in masking and preventing buildup of the desired material on at least some of the selected surfaces of the article, means for securing the longitudinally extending pads between adjacent pairs of the ribs, and means for restricting the conductive transfer of heat by the pads whereby a desired temperature gradient is maintained between a heated article and the support structure, the means for restricting the conductive transfer of heat by the pads comprising insulation between the conductive pads and the ribs.
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