METHOD AND APPARATUS FOR APPLYING A CORROSION-RESISTANT COATING TO FASTENERS

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United States of America Patent

APP PUB NO 20240018987A1
SERIAL NO

18473860

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Importance

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Abstract

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A method of applying a corrosion-resistant coating to a fastener that includes preheating an area of the fastener to be coated to elevate a temperature of the area and spraying the preheated area of the fastener with a molten or semi-molten metal. In one embodiment, a corrosion-resistant coating applicator includes a support structure, a rotatable slotted fastener conveyer supported by the support structure, a feeder configured to feed fasteners to the rotatable slotted fastener conveyer, a fastener aligner configured to make head portions of the fasteners aligned with each other, a heater configured to heat head portions of the fasteners as the fasteners are being conveyed by the slotted fastener conveyer, and a sprayer configured to apply a corrosion-resistant coating to the heated head portions of the fasteners being conveyed by the slotted fastener conveyer. The present disclosure also provides corrosion-resistant coated fasteners made using the coating methods and/or coating apparatus.

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Patent Owner(s)

Patent OwnerAddress
ILLINOIS TOOL WORKS INC155 HARLEM AVENUE GLENVIEW IL 60025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andersen, Signe Tolberg Aarup, DK 3 0
Bergstrom, Donald E Lindenhurst, US 48 759
Bertelsen, Johnny Middelfart, DK 3 0
Horst, Christopher A Antioch, US 6 16
Sørensen, Flemming Vojens, DK 6 26

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