Patent ID: 6340955
Filing Date: 2002-01-22
Classification: H01Q,Y10T

Abstract:
A method for combining an internal insulating sleeve and an external insulating sleeve of an antenna for a communication instrument, including the steps of:mounting a coil, and a plurality of positioning and electric connecting members in said internal insulating sleeve; placing said internal insulating sleeve and said external insulating sleeve one over the other, said internal insulating sleeve having a connecting section partially exposed to the outside ready for connecting to said communication instrument; providing said internal insulating sleeve and said external insulating sleeve, respectively, with an outer stepped shoulder and an inner stepped shoulder at a joint between them with a radial thickness for melting; heating said internal insulating sleeve and said external insulating sleeve in a melting machine for melting the inner and outer stepped shoulders to join said internal insulating sleeve and said external insulating sleeve together.