STAMPED PRODUCT INTENDED IN PARTICULAR FOR PERMANENTLY OBTURATING HOLES
A stamped product for permanently obturating holes on a metal sheet or plastic parts is provided to allow re-sealing of holes on a metal sheet or plastic parts used during manufacturing process, so as to prevent rust caused by water penetration and to block noise from a passenger coach. A stamped pr...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A stamped product for permanently obturating holes on a metal sheet or plastic parts is provided to allow re-sealing of holes on a metal sheet or plastic parts used during manufacturing process, so as to prevent rust caused by water penetration and to block noise from a passenger coach. A stamped product for permanent sealing of holes comprises: a base layer including heat-resistant backing, which is processed at least partially able to self-adhesion and extended at least partially exceeding over the margin of holes to be sealed; a block of heat activating foaming material established on the surface processed for self-adhesion, which is lager than the area of hole to be sealed and smaller than the area of base layer desirably; and a thin layered body established between the base layer and the block of heat activating foaming material, which comprises metal, metal foil, or strong plastic sheet such as PET sheet. |
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