Spin coating apparatus

Details Spin coating apparatus Spin coating apparatus

1988-11-14

1990-02-13

Woodward, Joye L.

Coating apparatus

Immersion or work-confined pool type

Work extending through pool-confining wall area

65 111, 05C 312, 03C 2502, B05C 312, C03C 2502

Patent

active

048996882

ABSTRACT:
Continuous filament glass fiber bundles are coated with a molten thermoplastic polymer, without the addition of a size to the glass, by passing the filaments through an unpressurized pool of the polymer contained in a passage. The forces between the filaments and the unpressurized polymer interact to center the filaments in the passage as they pass through. The passage is defined by a body member and a detachable cover having contiguous surfaces joined along a longitudinal mating line which is angularly displaced from the longitudinal axis of the passage to assist in prevention of filament snagging in the melting line as they pass through the passage.

REFERENCES:
patent: 4025256 (1977-05-01), Heller
patent: 4419958 (1983-12-01), Roba
patent: 4455159 (1984-06-01), Lamb et al.
patent: 4526808 (1985-07-01), Strohmaier
patent: 4537610 (1985-08-01), Armstrong et al.
patent: 4631078 (1986-12-01), Tomlinson et al.
patent: 4713103 (1987-12-01), Pennanen et al.

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