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US 4,301,211 AGranted
Brazing rod comprising an alloy core coated with a layer of elastomer containing a flux
AssigneeJohnson Matthey PLC
InventorMieczyslaw H. Sloboda
Life of this patent
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Abstract
This invention relates to brazing materials. In particular it is concerned with a novel combination of brazing alloy and flux. Specifically, a brazing material in accordance with the invention comprises a brazing alloy having a coating comprising a brazing flux and an elastomer.
Claims6
In a brazing rod comprising a brazing alloy coated with a brazing flux, the improvement which comprises including in said coating polyisobutylene elastomer having a molecular weight of up to 125,000, said elastomer functioning to reduce the tendency of the flux coating to be brittle and consequently crack in transit or handling.
Dependencies are inferred from the claim text.