Electrical appliance with leaktight connections, and a method of fabrication

Abstract

An electrical connection making it possible to achieve leaktight electrical linking in an environment that is subjected to corrosive gases or liquids, wherein the connection comprises: at least two conductors for forming said electrical connection between each other or with a connector element; an outer insulating layer formed on each of said conductors and made up of a fluorinated polymer that is meltable at a temperature situated between the temperature of said environment and a predetermined higher temperature; a heat-shrink sleeve surrounding said conductors and made up of an outer layer of heat-shrink polymer and an inner layer of said fluorinated polymer that is meltable at a temperature situated between the temperature of said environment and said predetermined higher temperature; melting said outer insulating layers of said conductors and said inner layer of said heat-shrink sleeve by heating to a temperature higher than said temperature of said environment and lower than said predetermined higher temperature, thereby making a weld that is continuous and leaktight, and of controlled thickness.

Dependencies are inferred from the claim text.