초록 ▼

An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled to a dissimilar pipe includes a housing sleeve for coupling at one end to the dissimilar pipe with the opposite end being formed on its outer surface with an annular ribbed section covered by a plastic s

An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled to a dissimilar pipe includes a housing sleeve for coupling at one end to the dissimilar pipe with the opposite end being formed on its outer surface with an annular ribbed section covered by a plastic sleeve. An anchoring ring overlies the annular ribbed section of the housing sleeve and is effective to firmly anchor the plastic sleeve to the annular ribbed section of the housing sleeve during electrofusion of the plastic sleeve to one end of an electrofusion fitting, and of the plastic pipe to the opposite end of the electrofusion fitting.

대표청구항 ▼

An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled t a dissimilar pipe, comprising: a housing sleeve formed at one end with coupling means for coupling said dissimilar pipe thereto, the opposite end of the housing sleeve being formed on its outer surface

An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled t a dissimilar pipe, comprising: a housing sleeve formed at one end with coupling means for coupling said dissimilar pipe thereto, the opposite end of the housing sleeve being formed on its outer surface with an annular grooved and ribbed section; a plastic sleeve covering said opposite end of the housing sleeve including its annular grooved and ribbed section and interlocked therewith to anchor said plastic sleeve to said housing sleeve, said opposite end of said housing sleeve extending at least the length of said plastic sleeve and in contact therewith for the length of said plastic sleeve; and an anchoring ring overlying said annular grooved and ribbed section of the housing sleeve and engaging said plastic sleeve and being effective to firmly anchor the plastic sleeve to the annular grooved and ribbed section of the housing sleeve during electrofusion of the plastic sleeve to one end of an electrofusion fitting, and of the plastic pipe to the opposite end of the electrofusion fitting.