Self-retaining smooth bore insert

Details Self-retaining smooth bore insert Self-retaining smooth bore insert

1988-03-14

1989-02-14

Sever, Frank

Liquid purification or separation

With repair or assembling means

210541, 210542, 248 94, B01D 3500

Patent

active

048044687

ABSTRACT:
A self-retaining smooth bore insert employs a helical coil spring for retaining a fluid system component in a smooth bore. The spring comprises two connected helical coils. One coil is coiled around the component. The second coil has an engarged diameter which engages the wall of the smooth bore. An end portion of the second coil is engaged by an installation tool to contact the coil to permit installation.

REFERENCES:
patent: 3175342 (1965-03-01), Balogh
patent: 3407936 (1968-10-01), Balogh
patent: 4078722 (1978-03-01), Luckenbill
patent: 4372400 (1983-02-01), Beimgraben
patent: 4574883 (1986-03-01), Carroll et al.
patent: 4614661 (1986-09-01), White
patent: 4753727 (1988-06-01), Lee et al.

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