Centrifugal applicator

Details Centrifugal applicator Centrifugal applicator

2006-11-07

2006-11-07

Lamb, Brenda A. (Department: 1734)

Coating processes

Interior of hollow article coating

Spraying

C118S317000, C118S323000

Reexamination Certificate

active

07132127

ABSTRACT:
Methods and apparatus for applying a uniform application of an appropriate quantity of pipe dope to the internal threads of a pipe. In general, the preferred apparatus includes a supply of pipe dope and a centrifugal applicator for evenly applying the pipe dope to internal threads. The system also includes a dosing system to regulate the distribution of pipe dope by dispensing a consistent volume of pipe dope at each application. Potential advantages of the preferred embodiments include the repeatability and consistency of amount of pipe dope on pipe threads (e.g. thickness).

REFERENCES:
patent: 1988329 (1935-01-01), Perkins
patent: 2760585 (1956-08-01), Bergeron
patent: 2810145 (1957-10-01), Forrow
patent: 4268544 (1981-05-01), Wallace
patent: 4891244 (1990-01-01), Wallace
patent: 5141774 (1992-08-01), Prittinen et al.
patent: 5259880 (1993-11-01), Fujita et al.
patent: 5534060 (1996-07-01), Johnson
patent: 6001425 (1999-12-01), Stash et al.
patent: 6228169 (2001-05-01), Wallace
patent: 6309693 (2001-10-01), Wallace et al.
patent: 6638366 (2003-10-01), Lammert et al.

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