Powder coating of thermosetting adhesives onto metal substrates to enable a friction material to be bonded to the metal substrate
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United States of America Patent
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Jan 25, 1994
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app pub date -
Feb 28, 1992
filing date -
Feb 28, 1992
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Abstract
The present invention relates to a method of manufacturing a composite frion element wherein a powdered solventless thermosetting adhesive is applied to a metal substrate and the product made therefrom. The metal substrate and thermosetting adhesive material are heated to allow the powdered solventless adhesive material to flow but not crosslink. A friction material is applied under heat and pressure to the adhesive material such that the adhesive material crosslinks and a composite friction element is formed.
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