Paint drain closure, attachment tool and method

Details Paint drain closure, attachment tool and method Paint drain closure, attachment tool and method

B - Operations, Transporting

62

D

296/90

B62D 25/00 (2006.01) B21D 39/20 (2006.01) B21D 53/80 (2006.01) B29C 65/56 (2006.01) B62D 25/24 (2006.01) B62D 65/00 (2006.01) F16B 5/00 (2006.01) F16B 5/10 (2006.01)

Patent

CA 1287086

PAINT DRAIN CLOSURE, ATTACHMENT TOOL, AND METHOD Abstract of the Disclosure An improved closure for sealing the paint drain holes of a vehicle body, and a tool and method of use therefor, are disclosed. The closure takes the form of a one-piece sheet metal plug of inverted hat- shaped configuration having a peripheral flange with a thermoplastic sealant ring located beneath the flange to form a hermetic seal about the opening of the vehicle body. In use, the closure is supported, preferably magnetically, by the head of an insertion tool and is directed by that tool into a floor pan opening or other panel opening of a vehicle body. Depending on the shape of the panel opening, the plug is then temporarily secured in place, with the sealant ring clamped between the flange of the plug and the body panel, either by a partial turn of the plug or by a tool with cam-driven dimpling elements that are forced outwardly within the cavity of the plug to produce a plurality of external enlargments or nubs. The same closure plug may he used for either type of attachment and, following such attachment, the entire assembly is heated (in the normal baking cycle of the painting operation) to soften and expand the sealant ring and produce a permanent adhesive bond between the parts. The use of the paint drain openings to support and position a vehicle prior to plug insertion and attachment is also disclosed.

520880

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