Plastic member having a reinforcing element at the mouth of a fl

Details Plastic member having a reinforcing element at the mouth of a fl Plastic member having a reinforcing element at the mouth of a fl

1977-07-12

1979-03-27

Stearns, Richard R.

Pipes and tubular conduits

Combined

With end structure

138174, 285239, 285291, F16L 1500, F16L 912

Patent

active

041460596

ABSTRACT:
A housing includes a plastic member having a central opening, and a reinforcing element of wholly rigid and imperforate material in the form of a hollow sleeve imbedded within the member. This sleeve is coincident with the opening and has an outer end flush with an outer end of the member. A first inner wall portion of the sleeve adjacent such one end has a diameter equal to the diameter of the central opening, and this first inner wall portion being threaded for engagement with a threaded object to be connected to the housing. The sleeve has a second inner wall portion of a diameter greater than the diameter of the opening so as to define an annular space which is occupied by a portion of the plastic member.

REFERENCES:
patent: 2850064 (1958-09-01), Rapata
patent: 2882072 (1959-04-01), Noland
patent: 3104136 (1963-09-01), Merriman
patent: 3174523 (1965-03-01), Hult
patent: 3561307 (1971-02-01), Mortensen
patent: 3565116 (1971-02-01), Gabin
patent: 3614137 (1971-10-01), Jacobson
patent: 3788928 (1974-01-01), Wise

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